diff --git a/Cargo.lock b/Cargo.lock
index a2b5a8c392..cb26eb698e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -21,9 +21,9 @@ dependencies = [
 
 [[package]]
 name = "adler"
-version = "0.2.3"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "adler32"
@@ -111,9 +111,9 @@ dependencies = [
 
 [[package]]
 name = "ansi_colours"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d0f302a81afc6a7f4350c04f0ba7cfab529cc009bca3324b3fb5764e6add8b6"
+checksum = "52cb663b84aea8670b4a40368360e29485c11b03d14ff6283261aeccd69d5ce1"
 dependencies = [
  "cc",
 ]
@@ -150,7 +150,7 @@ checksum = "85149eb4159516fbc261f362153822672e4bdb5b3accc863a5777627c6d9fe72"
 dependencies = [
  "clipboard-win",
  "core-graphics",
- "image 0.23.13",
+ "image 0.23.14",
  "lazy_static 1.4.0",
  "libc",
  "objc",
@@ -185,19 +185,19 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "async-attributes"
-version = "1.1.1"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd3d156917d94862e779f356c5acae312b08fd3121e792c857d7928c8088423"
+checksum = "a3203e79f4dd9bdda415ed03cf14dae5a2bf775c683a00f94e9cd1faf0f596e5"
 dependencies = [
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
 name = "async-channel"
-version = "1.5.1"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59740d83946db6a5af71ae25ddf9562c2b176b2ca42cf99a455f09f4a220d6b9"
+checksum = "2114d64672151c0c5eaa5e131ec84a74f06e1e559830dabba01ca30605d66319"
 dependencies = [
  "concurrent-queue",
  "event-listener",
@@ -232,7 +232,7 @@ dependencies = [
  "futures-lite",
  "num_cpus",
  "once_cell",
- "tokio 0.2.24",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -280,8 +280,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -295,7 +295,7 @@ dependencies = [
  "async-global-executor",
  "async-io",
  "async-lock",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils 0.8.3",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -306,10 +306,10 @@ dependencies = [
  "memchr",
  "num_cpus",
  "once_cell",
- "pin-project-lite 0.2.4",
+ "pin-project-lite 0.2.6",
  "pin-utils",
  "slab 0.4.2",
- "wasm-bindgen-futures 0.4.19",
+ "wasm-bindgen-futures 0.4.21",
 ]
 
 [[package]]
@@ -320,13 +320,13 @@ checksum = "e91831deabf0d6d7ec49552e489aed63b7456a7a3c46cff62adad428110b0af0"
 
 [[package]]
 name = "async-trait"
-version = "0.1.42"
+version = "0.1.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
+checksum = "36ea56748e10732c49404c153638a15ec3d6211ec5ff35d9bb20e13b93576adf"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -354,14 +354,14 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "backtrace"
-version = "0.3.55"
+version = "0.3.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef5140344c85b01f9bbb4d4b7288a8aa4b3287ccef913a14bcc78a1063623598"
+checksum = "9d117600f438b1707d4e4ae15d3595657288f8235a0eb593e80ecc98ab34e1bc"
 dependencies = [
  "addr2line",
  "cfg-if 1.0.0",
  "libc",
- "miniz_oxide 0.4.3",
+ "miniz_oxide 0.4.4",
  "object",
  "rustc-demangle",
 ]
@@ -392,12 +392,6 @@ dependencies = [
  "safemem 0.3.3",
 ]
 
-[[package]]
-name = "base64"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
-
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -424,7 +418,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "path_abs",
  "semver 0.11.0",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_yaml",
  "shell-words",
  "syntect",
@@ -438,10 +432,10 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc403c26e6b03005522e6e8053384c4e881dfe5b2bf041c0c2c49be33d64a539"
 dependencies = [
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -451,7 +445,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f30d3a39baa26f9651f17b375061f3233dde33424a8b72b0dbe93a68a0bc896d"
 dependencies = [
  "byteorder",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -499,7 +493,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1339a1042f5d9f295737ad4d9a6ab6bf81c84a933dba110b9200cd6d1448b814"
 dependencies = [
  "byte-tools",
- "generic-array 0.8.3",
+ "generic-array 0.8.4",
 ]
 
 [[package]]
@@ -539,28 +533,28 @@ dependencies = [
  "linked-hash-map 0.5.4",
  "md5 0.6.1",
  "rand 0.7.3",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
- "time 0.1.43",
+ "time 0.1.44",
 ]
 
 [[package]]
 name = "bstr"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "473fc6b38233f9af7baa94fb5852dca389e3d95b8e21c8e3719301462c5d9faf"
+checksum = "a40b47ad93e1a5404e6c18dec46b628214fee441c70f4ab5d6942142cc268a3d"
 dependencies = [
  "lazy_static 1.4.0",
  "memchr",
  "regex-automata",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
 name = "bumpalo"
-version = "3.4.0"
+version = "3.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
+checksum = "63396b8a4b9de3f4fdfb320ab6080762242f66a8ef174c49d8e19b674db4cdbe"
 
 [[package]]
 name = "byte-tools"
@@ -579,9 +573,9 @@ dependencies = [
 
 [[package]]
 name = "bytemuck"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a4bad0c5981acc24bc09e532f35160f952e35422603f0563cd7a73c2c2e65a0"
+checksum = "bed57e2090563b83ba8f83366628ce535a7584c9afa4c9fc0612a03925c6df58"
 
 [[package]]
 name = "byteorder"
@@ -623,9 +617,9 @@ dependencies = [
 
 [[package]]
 name = "bzip2-sys"
-version = "0.1.9+1.0.8"
+version = "0.1.10+1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad3b39a260062fca31f7b0b12f207e8f2590a67d32ec7d59c20484b07ea7285e"
+checksum = "17fa3d1ac1ca21c5c4e36a97f3c3eb25084576f6fc47bf0139c1123434216c6c"
 dependencies = [
  "cc",
  "libc",
@@ -649,7 +643,7 @@ dependencies = [
  "encoding_rs",
  "log 0.4.14",
  "quick-xml 0.19.0",
- "serde 1.0.123",
+ "serde 1.0.124",
  "zip",
 ]
 
@@ -661,9 +655,9 @@ checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
 
 [[package]]
 name = "cc"
-version = "1.0.66"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
+checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
 dependencies = [
  "jobserver",
 ]
@@ -689,8 +683,8 @@ dependencies = [
  "libc",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.123",
- "time 0.1.43",
+ "serde 1.0.124",
+ "time 0.1.44",
  "winapi 0.3.9",
 ]
 
@@ -760,11 +754,11 @@ dependencies = [
 
 [[package]]
 name = "codespan-reporting"
-version = "0.11.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6ce42b8998a383572e0a802d859b1f00c79b7b7474e62fff88ee5c2845d9c13"
+checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
 dependencies = [
- "serde 1.0.123",
+ "serde 1.0.124",
  "termcolor",
  "unicode-width",
 ]
@@ -804,7 +798,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "nom 5.1.2",
  "rust-ini",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde-hjson",
  "serde_json",
  "toml",
@@ -930,7 +924,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils 0.8.3",
 ]
 
 [[package]]
@@ -951,8 +945,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-epoch 0.9.1",
- "crossbeam-utils 0.8.1",
+ "crossbeam-epoch 0.9.3",
+ "crossbeam-utils 0.8.3",
 ]
 
 [[package]]
@@ -972,13 +966,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1aaa739f95311c2c7887a76863f500026092fb1dce0161dab577e559ef3569d"
+checksum = "2584f639eb95fea8c798496315b297cf81b9b58b6d30ab066a75455333cf4b12"
 dependencies = [
  "cfg-if 1.0.0",
- "const_fn",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils 0.8.3",
  "lazy_static 1.4.0",
  "memoffset 0.6.1",
  "scopeguard",
@@ -1018,9 +1011,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.1"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02d96d1e189ef58269ebe5b97953da3274d83a93af647c2ddd6f9dab28cedb8d"
+checksum = "e7e9d99fa91428effe99c5c6d4634cdeba32b8cf784fc428a2a687f61a952c49"
 dependencies = [
  "autocfg",
  "cfg-if 1.0.0",
@@ -1037,7 +1030,7 @@ dependencies = [
  "crossterm_winapi 0.6.2",
  "lazy_static 1.4.0",
  "libc",
- "mio 0.7.7",
+ "mio 0.7.9",
  "parking_lot 0.11.1",
  "signal-hook",
  "winapi 0.3.9",
@@ -1053,7 +1046,7 @@ dependencies = [
  "crossterm_winapi 0.7.0",
  "lazy_static 1.4.0",
  "libc",
- "mio 0.7.7",
+ "mio 0.7.9",
  "parking_lot 0.11.1",
  "signal-hook",
  "winapi 0.3.9",
@@ -1084,7 +1077,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "779015233ac67d65098614aec748ac1c756ab6677fa2e14cf8b37c08dfed1198"
 dependencies = [
  "constant_time_eq",
- "generic-array 0.8.3",
+ "generic-array 0.8.4",
 ]
 
 [[package]]
@@ -1109,9 +1102,9 @@ dependencies = [
  "matches",
  "phf",
  "proc-macro2",
- "quote 1.0.8",
+ "quote 1.0.9",
  "smallvec 1.6.1",
- "syn 1.0.60",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -1120,21 +1113,21 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfae75de57f2b2e85e8768c3ea840fd159c8f33e2b6522c7835b7abac81be16e"
 dependencies = [
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
 name = "csv"
-version = "1.1.5"
+version = "1.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9d58633299b24b515ac72a3f869f8b91306a3cec616a602843a383acd6f9e97"
+checksum = "22813a6dc45b335f9bade10bf7271dc477e81113e89eb251a0bc2a8a81c536e1"
 dependencies = [
  "bstr",
  "csv-core",
  "itoa",
  "ryu",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -1152,8 +1145,8 @@ version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8f45d9ad417bcef4817d614a501ab55cdd96a6fdb24f49aab89a54acfd66b19"
 dependencies = [
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -1167,19 +1160,19 @@ dependencies = [
 
 [[package]]
 name = "ctrlc"
-version = "3.1.7"
+version = "3.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b57a92e9749e10f25a171adcebfafe72991d45e7ec2dcb853e8f83d9dafaeb08"
+checksum = "c15b8ec3b5755a188c141c1f6a98e76de31b936209bf066b647979e2a84764a9"
 dependencies = [
- "nix 0.18.0",
+ "nix 0.20.0",
  "winapi 0.3.9",
 ]
 
 [[package]]
 name = "curl"
-version = "0.4.34"
+version = "0.4.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e268162af1a5fe89917ae25ba3b0a77c8da752bdc58e7dbb4f15b91fbd33756e"
+checksum = "5a872858e9cb9e3b96c80dd78774ad9e32e44d3b05dc31e142b858d14aebc82c"
 dependencies = [
  "curl-sys",
  "libc",
@@ -1192,9 +1185,9 @@ dependencies = [
 
 [[package]]
 name = "curl-sys"
-version = "0.4.39+curl-7.74.0"
+version = "0.4.41+curl-7.75.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07a8ce861e7b68a0b394e814d7ee9f1b2750ff8bd10372c6ad3bacc10e86f874"
+checksum = "0ec466abd277c7cab2905948f3e94d10bc4963f1f5d47921c1cc4ffd2028fe65"
 dependencies = [
  "cc",
  "libc",
@@ -1224,9 +1217,9 @@ checksum = "3ee2393c4a91429dffb4bedf19f4d6abf27d8a732c8ce4980305d782e5426d57"
 
 [[package]]
 name = "decimal"
-version = "2.0.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6458723bc760383275fbc02f4c769b2e5f3de782abaf5e7e0b9b7f0368a63ed"
+checksum = "5a8ab77e91baeb15034c3be91e87bff4665c9036216148e4996d9a9f5792114d"
 dependencies = [
  "bitflags",
  "cc",
@@ -1255,13 +1248,13 @@ dependencies = [
 
 [[package]]
 name = "derive-new"
-version = "0.5.8"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71f31892cd5c62e414316f2963c5689242c43d8e7bbcaaeca97e5e28c95d91d9"
+checksum = "3418329ca0ad70234b9735dc4ceed10af4df60eff9c8e7b06cb5e520d92c3535"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -1282,8 +1275,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cb0e6161ad61ed084a36ba71fbba9e3ac5aee3606fb607fe08da6acbcf3d8c"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -1292,7 +1285,7 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5b29bf156f3f4b3c4f610a25ff69370616ae6e0657d416de22645483e72af0a"
 dependencies = [
- "generic-array 0.8.3",
+ "generic-array 0.8.4",
 ]
 
 [[package]]
@@ -1435,9 +1428,9 @@ checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
 [[package]]
 name = "eml-parser"
-version = "0.1.0"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9e30d14e24cd200f2351837a02feacf8f043410f2a56441868c93ef33f90239"
+checksum = "031fe36712cec8b81c5b76b555666ce855a4dfc2dcc35bb907046bf2ef545578"
 dependencies = [
  "regex 1.4.3",
 ]
@@ -1536,9 +1529,9 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26ecb66b4bdca6c1409b40fb255eefc2bd4f6d135dab3c3124f80ffa2a9661e"
+checksum = "17392a012ea30ef05a610aa97dfb49496e71c9f676b27879922ea5bdf60d9d3f"
 dependencies = [
  "log 0.4.14",
  "regex 1.4.3",
@@ -1586,8 +1579,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
  "synstructure",
 ]
 
@@ -1689,9 +1682,9 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "form_urlencoded"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ece68d15c92e84fa4f19d3780f1294e5ca82a78a6d515f1efaabcc144688be00"
+checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
 dependencies = [
  "matches",
  "percent-encoding 2.1.0",
@@ -1747,15 +1740,15 @@ dependencies = [
 
 [[package]]
 name = "futures"
-version = "0.1.30"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7e4c2612746b0df8fed4ce0c69156021b704c9aefa360311c04e6e9e002eed"
+checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
 [[package]]
 name = "futures"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da9052a1a50244d8d5aa9bf55cbc2fb6f357c86cc52e46c62ed390a7180cf150"
+checksum = "7f55667319111d593ba876406af7c409c0ebb44dc4be6132a783ccf163ea14c1"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1768,9 +1761,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2d31b7ec7efab6eefc7c57233bb10b847986139d88cc2f5a02a1ae6871a1846"
+checksum = "8c2dd2df839b57db9ab69c2c9d8f3e8c81984781937fe2807dc6dcf3b2ad2939"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1788,9 +1781,9 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79e5145dde8da7d1b3892dad07a9c98fc04bc39892b1ecc9692cf53e2b780a65"
+checksum = "15496a72fabf0e62bdc3df11a59a3787429221dd0710ba8ef163d6f7a9112c94"
 
 [[package]]
 name = "futures-core-preview"
@@ -1804,15 +1797,15 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "num_cpus",
 ]
 
 [[package]]
 name = "futures-executor"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9e59fdc009a4b3096bf94f740a0f2424c082521f20a9b08c5c07c48d90fd9b9"
+checksum = "891a4b7b96d84d5940084b2a37632dd65deeae662c114ceaa2c879629c9c0ad1"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -1832,9 +1825,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28be053525281ad8259d47e4de5de657b25e7bac113458555bb4b70bc6870500"
+checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
 
 [[package]]
 name = "futures-io-preview"
@@ -1853,20 +1846,20 @@ dependencies = [
  "futures-io",
  "memchr",
  "parking",
- "pin-project-lite 0.2.4",
+ "pin-project-lite 0.2.6",
  "waker-fn",
 ]
 
 [[package]]
 name = "futures-macro"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
+checksum = "ea405816a5139fb39af82c2beb921d52143f556038378d6db21183a5c37fbfb7"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -1885,9 +1878,9 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caf5c69029bda2e743fddd0582d1083951d65cc9539aebf8812f36c3491342d6"
+checksum = "85754d98985841b7d4f5e8e6fbfa4a4ac847916893ec511a2917ccd8525b8bb3"
 
 [[package]]
 name = "futures-sink-preview"
@@ -1897,12 +1890,9 @@ checksum = "86f148ef6b69f75bb610d4f9a2336d4fc88c4b5b67129d1a340dd0fd362efeec"
 
 [[package]]
 name = "futures-task"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13de07eb8ea81ae445aca7b69f5f7bf15d7bf4912d8ca37d6645c77ae8a58d86"
-dependencies = [
- "once_cell",
-]
+checksum = "fa189ef211c15ee602667a6fcfe1c1fd9e07d42250d2156382820fba33c9df80"
 
 [[package]]
 name = "futures-timer"
@@ -1912,11 +1902,11 @@ checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
 
 [[package]]
 name = "futures-util"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "632a8cd0f2a4b3fdea1657f08bde063848c3bd00f9bbf6e256b8be78802e624b"
+checksum = "1812c7ab8aedf8d6f2701a43e1243acdbcc2b36ab26e2ad421eb99ac963d96d1"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -1924,7 +1914,7 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project-lite 0.2.4",
+ "pin-project-lite 0.2.6",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -1938,7 +1928,7 @@ version = "0.3.0-alpha.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ce968633c17e5f97936bd2797b6e38fb56cf16a7422319f7ec2e30d3c470e8d"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "futures-channel-preview",
  "futures-core-preview",
  "futures-io-preview",
@@ -1956,7 +1946,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce54d63f8b0c75023ed920d46fd71d0cbbb830b0ee012726b5b4f506fb6dea5b"
 dependencies = [
  "bytes 0.5.6",
- "futures 0.3.12",
+ "futures 0.3.13",
  "memchr",
  "pin-project 0.4.27",
 ]
@@ -1978,9 +1968,9 @@ checksum = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
 
 [[package]]
 name = "generic-array"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fceb69994e330afed50c93524be68c42fa898c2d9fd4ee8da03bd7363acd26f2"
+checksum = "b2297fb0e3ea512e380da24b52dca3924028f59df5e3a17a18f81d8349ca7ebe"
 dependencies = [
  "nodrop",
  "typenum",
@@ -2015,7 +2005,7 @@ checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "wasi 0.10.1+wasi-snapshot-preview1",
+ "wasi 0.10.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
@@ -2026,8 +2016,8 @@ checksum = "24b328c01a4d71d2d8173daa93562a73ab0fe85616876f02500f53d82948c504"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -2048,9 +2038,9 @@ checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
 [[package]]
 name = "git2"
-version = "0.13.15"
+version = "0.13.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44f267c9da8a4de3c615b59e23606c75f164f84896e97f4dd6c15a4294de4359"
+checksum = "1d250f5f82326884bd39c2853577e70a121775db76818ffa452ed1e80de12986"
 dependencies = [
  "bitflags",
  "libc",
@@ -2105,7 +2095,7 @@ dependencies = [
  "http 0.2.3",
  "indexmap",
  "slab 0.4.2",
- "tokio 0.2.24",
+ "tokio 0.2.25",
  "tokio-util",
  "tracing",
  "tracing-futures",
@@ -2155,9 +2145,9 @@ checksum = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
 
 [[package]]
 name = "hex"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "hkdf"
@@ -2177,7 +2167,7 @@ checksum = "7a13f4163aa0c5ca1be584aace0e2212b2e41be5478218d4f657f5f778b2ae2a"
 dependencies = [
  "crypto-mac 0.4.0",
  "digest 0.6.2",
- "generic-array 0.8.3",
+ "generic-array 0.8.4",
 ]
 
 [[package]]
@@ -2209,8 +2199,8 @@ dependencies = [
  "mac",
  "markup5ever",
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -2253,9 +2243,9 @@ dependencies = [
 
 [[package]]
 name = "http-client"
-version = "6.3.3"
+version = "6.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "663563ebc56b0bac7e08722cca7742612fd99d9bd6d05cf904ed9d9212065a34"
+checksum = "98c12a6a451357392f3307325e9a15cbd27451abdaad96e74c30ea8786f615c4"
 dependencies = [
  "async-std",
  "async-trait",
@@ -2263,7 +2253,7 @@ dependencies = [
  "dashmap",
  "futures-util",
  "http-types",
- "hyper 0.13.9",
+ "hyper 0.13.10",
  "hyper-tls",
  "isahc 0.9.14",
  "log 0.4.14",
@@ -2283,9 +2273,9 @@ dependencies = [
  "futures-lite",
  "http 0.2.3",
  "infer",
- "pin-project-lite 0.2.4",
+ "pin-project-lite 0.2.6",
  "rand 0.7.3",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
  "serde_qs",
  "serde_urlencoded 0.7.0",
@@ -2294,9 +2284,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.3.4"
+version = "1.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
+checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
 
 [[package]]
 name = "httpdate"
@@ -2321,7 +2311,7 @@ checksum = "34a590ca09d341e94cddf8e5af0bbccde205d5fbc2fa3c09dd67c7f85cea59d7"
 dependencies = [
  "base64 0.9.3",
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "futures-cpupool",
  "httparse",
  "iovec",
@@ -2331,7 +2321,7 @@ dependencies = [
  "net2",
  "percent-encoding 1.0.1",
  "relay",
- "time 0.1.43",
+ "time 0.1.44",
  "tokio-core",
  "tokio-io",
  "tokio-proto",
@@ -2342,9 +2332,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.13.9"
+version = "0.13.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6ad767baac13b44d4529fcf58ba2cd0995e36e7b435bc5b039de6f47e880dbf"
+checksum = "8a6f157065790a3ed2f88679250419b5cdd96e714a0d65f7797fd337186e96bb"
 dependencies = [
  "bytes 0.5.6",
  "futures-channel",
@@ -2356,9 +2346,9 @@ dependencies = [
  "httparse",
  "httpdate",
  "itoa",
- "pin-project 1.0.4",
+ "pin-project 1.0.5",
  "socket2",
- "tokio 0.2.24",
+ "tokio 0.2.25",
  "tower-service",
  "tracing",
  "want 0.3.0",
@@ -2371,9 +2361,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d979acc56dcb5b8dddba3917601745e877576475aa046df3226eabdecef78eed"
 dependencies = [
  "bytes 0.5.6",
- "hyper 0.13.9",
+ "hyper 0.13.10",
  "native-tls",
- "tokio 0.2.24",
+ "tokio 0.2.25",
  "tokio-tls",
 ]
 
@@ -2394,15 +2384,15 @@ checksum = "ea685d38f1becb4f0a04e6cbff9256c6c2cd5e5905563b251401d1c13d12c654"
 dependencies = [
  "async-std",
  "cfg-if 0.1.10",
- "futures 0.3.12",
+ "futures 0.3.13",
  "thiserror",
 ]
 
 [[package]]
 name = "idna"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
+checksum = "89829a5d69c23d348314a7ac337fe39173b61149a9864deabd260983aed48c21"
 dependencies = [
  "matches",
  "unicode-bidi",
@@ -2425,9 +2415,9 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.23.13"
+version = "0.23.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "293f07a1875fa7e9c5897b51aa68b2d8ed8271b87e1a44cb64b9c3d98aabbc0d"
+checksum = "24ffcb7e7244a9bf19d35bf2883b9c080c4ced3c07a9895572178cdb8f13f6a1"
 dependencies = [
  "bytemuck",
  "byteorder",
@@ -2441,13 +2431,13 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.6.1"
+version = "1.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fb1fa934250de4de8aef298d81c729a7d33d8c239daa3a7575e6b92bfc7313b"
+checksum = "824845a0bf897a9042383849b02c1bc219c2383772efcd5c6f9766fa4b81aef3"
 dependencies = [
  "autocfg",
  "hashbrown",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -2516,7 +2506,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2948a0ce43e2c2ef11d7edf6816508998d99e13badd1150be0914205df9388a"
 dependencies = [
  "bytes 0.5.6",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils 0.8.3",
  "curl",
  "curl-sys",
  "flume",
@@ -2558,18 +2548,15 @@ dependencies = [
 
 [[package]]
 name = "jpeg-decoder"
-version = "0.1.20"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc797adac5f083b8ff0ca6f6294a999393d76e197c36488e2ef732c4715f6fa3"
-dependencies = [
- "byteorder",
-]
+checksum = "229d53d58899083193af11e15917b5640cd40b29ff475a1fe4ef725deb02d0f2"
 
 [[package]]
 name = "js-sys"
-version = "0.3.46"
+version = "0.3.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf3d7383929f7c9c7c2d0fa596f325832df98c3704f2c60553080f7127a58175"
+checksum = "dc9f84f9b115ce7843d60706df1422a916680bfdfcbdb0447c5614ff9d7e4d78"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -2619,28 +2606,28 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "lexical-core"
-version = "0.7.4"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db65c6da02e61f55dae90a0ae427b2a5f6b3e8db09f58d10efab23af92592616"
+checksum = "21f866863575d0e1d654fbeeabdc927292fdf862873dc3c96c6f753357e13374"
 dependencies = [
  "arrayvec 0.5.2",
  "bitflags",
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "ryu",
  "static_assertions",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.82"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
+checksum = "03b07a082330a35e43f63177cc01689da34fbffa0105e1246cf0311472cac73a"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.17+1.1.0"
+version = "0.12.18+1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4ebdf65ca745126df8824688637aa0535a88900b83362d8ca63893bcf4e8841"
+checksum = "3da6a42da88fc37ee1ecda212ffa254c25713532980005d5f7c0b0fbe7e6e885"
 dependencies = [
  "cc",
  "libc",
@@ -2650,9 +2637,9 @@ dependencies = [
 
 [[package]]
 name = "libnghttp2-sys"
-version = "0.1.5+1.42.0"
+version = "0.1.6+1.43.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9657455ff47889b70ffd37c3e118e8cdd23fd1f9f3293a285f141070621c4c79"
+checksum = "0af55541a8827e138d59ec9e5877fb6095ece63fb6f4da45e7491b4fbd262855"
 dependencies = [
  "cc",
  "libc",
@@ -2706,8 +2693,8 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 dependencies = [
- "serde 1.0.123",
- "serde_test 1.0.123",
+ "serde 1.0.124",
+ "serde_test 1.0.124",
 ]
 
 [[package]]
@@ -2771,7 +2758,7 @@ dependencies = [
  "log 0.4.14",
  "phf",
  "phf_codegen",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_derive",
  "serde_json",
  "string_cache",
@@ -2864,9 +2851,9 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
+checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
 dependencies = [
  "adler",
  "autocfg",
@@ -2905,9 +2892,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.7"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e50ae3f04d169fcc9bde0b547d1c205219b7157e07ded9c5aff03e0637cb3ed7"
+checksum = "a5dede4e2065b3842b8b0af444119f3aa331cc7cc2dd20388bfb0f5d5a38823a"
 dependencies = [
  "libc",
  "log 0.4.14",
@@ -2969,12 +2956,12 @@ dependencies = [
 
 [[package]]
 name = "nb-connect"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8123a81538e457d44b933a02faf885d3fe8408806b23fa700e8f01c6c3a98998"
+checksum = "670361df1bc2399ee1ff50406a0d422587dd3bb0da596e1978fe8e05dabddf4f"
 dependencies = [
  "libc",
- "winapi 0.3.9",
+ "socket2",
 ]
 
 [[package]]
@@ -2986,7 +2973,7 @@ dependencies = [
  "bincode",
  "cfg-if 0.1.10",
  "log 0.4.14",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_derive",
  "wasm-bindgen",
 ]
@@ -3045,6 +3032,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "nix"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a"
+dependencies = [
+ "bitflags",
+ "cc",
+ "cfg-if 1.0.0",
+ "libc",
+]
+
 [[package]]
 name = "nodrop"
 version = "0.1.14"
@@ -3084,7 +3083,7 @@ dependencies = [
  "clap",
  "ctrlc",
  "dunce",
- "futures 0.3.12",
+ "futures 0.3.13",
  "itertools",
  "log 0.4.14",
  "nu-cli",
@@ -3126,7 +3125,7 @@ version = "0.28.0"
 dependencies = [
  "doc-comment",
  "regex 1.4.3",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
  "winapi 0.3.9",
 ]
@@ -3159,7 +3158,7 @@ dependencies = [
  "encoding_rs",
  "filesize",
  "fs_extra",
- "futures 0.3.12",
+ "futures 0.3.13",
  "futures-util",
  "futures_codec",
  "getset",
@@ -3186,7 +3185,7 @@ dependencies = [
  "nu-table",
  "nu-test-support",
  "nu-value-ext",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-format",
  "num-traits 0.2.14",
  "parking_lot 0.11.1",
@@ -3204,7 +3203,7 @@ dependencies = [
  "rusqlite",
  "rust-embed",
  "rustyline 6.3.0",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_bytes",
  "serde_ini",
  "serde_json",
@@ -3261,7 +3260,7 @@ dependencies = [
  "encoding_rs",
  "filesize",
  "fs_extra",
- "futures 0.3.12",
+ "futures 0.3.13",
  "futures-util",
  "futures_codec",
  "getset",
@@ -3288,7 +3287,7 @@ dependencies = [
  "nu-table",
  "nu-test-support",
  "nu-value-ext",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-format",
  "num-traits 0.2.14",
  "parking_lot 0.11.1",
@@ -3306,7 +3305,7 @@ dependencies = [
  "rusqlite",
  "rust-embed",
  "rustyline 7.1.0",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_bytes",
  "serde_ini",
  "serde_json",
@@ -3354,11 +3353,11 @@ dependencies = [
  "nu-table",
  "nu-test-support",
  "nu-value-ext",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-format",
  "num-traits 0.2.14",
  "query_interface",
- "serde 1.0.123",
+ "serde 1.0.124",
  "toml",
  "users",
 ]
@@ -3370,13 +3369,14 @@ dependencies = [
  "async-recursion",
  "async-trait",
  "bytes 0.5.6",
+ "codespan-reporting",
  "derive-new",
  "dirs-next 2.0.0",
  "dunce",
  "encoding_rs",
  "filesize",
  "fs_extra",
- "futures 0.3.12",
+ "futures 0.3.13",
  "futures-util",
  "futures_codec",
  "getset",
@@ -3396,7 +3396,7 @@ dependencies = [
  "nu-value-ext",
  "parking_lot 0.11.1",
  "rayon",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
  "tempfile",
  "term_size",
@@ -3404,6 +3404,7 @@ dependencies = [
  "trash",
  "umask",
  "users",
+ "which",
 ]
 
 [[package]]
@@ -3417,9 +3418,9 @@ dependencies = [
  "glob",
  "nu-ansi-term",
  "nu-source",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-traits 0.2.14",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
  "serde_yaml",
  "toml",
@@ -3435,7 +3436,7 @@ dependencies = [
  "nu-test-support",
  "num-traits 0.2.14",
  "regex 1.4.3",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
 ]
 
@@ -3455,9 +3456,9 @@ dependencies = [
  "nu-protocol",
  "nu-source",
  "nu-test-support",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-traits 0.2.14",
- "serde 1.0.123",
+ "serde 1.0.124",
  "shellexpand",
  "smart-default",
 ]
@@ -3473,8 +3474,8 @@ dependencies = [
  "nu-source",
  "nu-test-support",
  "nu-value-ext",
- "num-bigint 0.3.1",
- "serde 1.0.123",
+ "num-bigint 0.3.2",
+ "serde 1.0.124",
  "serde_json",
 ]
 
@@ -3491,10 +3492,10 @@ dependencies = [
  "log 0.4.14",
  "nu-errors",
  "nu-source",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_bytes",
  "serde_json",
  "serde_yaml",
@@ -3508,7 +3509,7 @@ dependencies = [
  "derive-new",
  "getset",
  "pretty",
- "serde 1.0.123",
+ "serde 1.0.124",
  "termcolor",
 ]
 
@@ -3516,7 +3517,7 @@ dependencies = [
 name = "nu-stream"
 version = "0.28.0"
 dependencies = [
- "futures 0.3.12",
+ "futures 0.3.13",
  "nu-errors",
  "nu-protocol",
  "nu-source",
@@ -3545,7 +3546,7 @@ dependencies = [
  "nu-protocol",
  "nu-source",
  "nu-value-ext",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "tempfile",
 ]
 
@@ -3597,7 +3598,7 @@ name = "nu_plugin_fetch"
 version = "0.28.0"
 dependencies = [
  "base64 0.13.0",
- "futures 0.3.12",
+ "futures 0.3.13",
  "mime",
  "nu-errors",
  "nu-plugin",
@@ -3665,7 +3666,7 @@ name = "nu_plugin_post"
 version = "0.28.0"
 dependencies = [
  "base64 0.13.0",
- "futures 0.3.12",
+ "futures 0.3.13",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
@@ -3680,13 +3681,13 @@ dependencies = [
 name = "nu_plugin_ps"
 version = "0.28.0"
 dependencies = [
- "futures 0.3.12",
+ "futures 0.3.13",
  "futures-timer",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
  "nu-source",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "sysinfo",
 ]
 
@@ -3694,7 +3695,7 @@ dependencies = [
 name = "nu_plugin_s3"
 version = "0.28.0"
 dependencies = [
- "futures 0.3.12",
+ "futures 0.3.13",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
@@ -3731,13 +3732,13 @@ dependencies = [
 name = "nu_plugin_sys"
 version = "0.28.0"
 dependencies = [
- "futures 0.3.12",
+ "futures 0.3.13",
  "futures-util",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
  "nu-source",
- "num-bigint 0.3.1",
+ "num-bigint 0.3.2",
  "sysinfo",
 ]
 
@@ -3773,7 +3774,7 @@ dependencies = [
 name = "nu_plugin_to_sqlite"
 version = "0.28.0"
 dependencies = [
- "hex 0.4.2",
+ "hex 0.4.3",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
@@ -3838,14 +3839,14 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e9a41747ae4633fce5adffb4d2e81ffc5e89593cb19917f8fb2cc5ff76507bf"
+checksum = "7d0a3d5e207573f948a9e5376662aa743a2ea13f7c50a554d7af443a73fbfeba"
 dependencies = [
  "autocfg",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -3972,15 +3973,15 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.22.0"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d3b63360ec3cb337817c2dbd47ab4a0f170d285d8e5a2064600f3def1402397"
+checksum = "a9a7ab5d64814df0fe4a4b5ead45ed6c5f181ee3ff04ba344313a6c80446c5d4"
 
 [[package]]
 name = "once_cell"
-version = "1.5.2"
+version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
 [[package]]
 name = "onig"
@@ -4012,10 +4013,11 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "open"
-version = "1.4.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c283bf0114efea9e42f1a60edea9859e8c47528eae09d01df4b29c1e489cc48"
+checksum = "b2033f93630dd4b04768ecf5e16bcd3002a89e1e1dbef375bf290dd67e2b7a4d"
 dependencies = [
+ "which",
  "winapi 0.3.9",
 ]
 
@@ -4086,7 +4088,7 @@ checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
 dependencies = [
  "instant",
  "lock_api 0.4.2",
- "parking_lot_core 0.8.2",
+ "parking_lot_core 0.8.3",
 ]
 
 [[package]]
@@ -4106,14 +4108,14 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ccb628cad4f84851442432c60ad8e1f607e29752d0bf072cbd0baf28aa34272"
+checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018"
 dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall 0.1.57",
+ "redox_syscall 0.2.5",
  "smallvec 1.6.1",
  "winapi 0.3.9",
 ]
@@ -4129,9 +4131,9 @@ dependencies = [
 
 [[package]]
 name = "path_abs"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb6b8e6dede0bf94e9300e669f335ba92d5fc9fc8be7f4b1ca8a05206489388c"
+checksum = "05ef02f6342ac01d8a93b65f96db53fe68a92a15f41144f97fb00a9e669633c3"
 dependencies = [
  "std_prelude",
 ]
@@ -4214,8 +4216,8 @@ dependencies = [
  "phf_shared",
  "proc-macro-hack",
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -4238,11 +4240,11 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95b70b68509f17aa2857863b6fa00bf21fc93674c7a8893de2f469f6aa7ca2f2"
+checksum = "96fa8ebb90271c4477f144354485b8068bd8f6b78b428b01ba892ca26caf0b63"
 dependencies = [
- "pin-project-internal 1.0.4",
+ "pin-project-internal 1.0.5",
 ]
 
 [[package]]
@@ -4252,32 +4254,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caa25a6393f22ce819b0f50e0be89287292fda8d425be38ee0ca14c4931d9e71"
+checksum = "758669ae3558c6f74bd2a18b41f7ac0b5a195aea6639d6a9b5e5d1ad5ba24c0b"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.1.11"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
+checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.4"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "439697af366c49a6d0a010c56a0d97685bc140ce0d377b13a2ea2aa42d64a827"
+checksum = "dc0e1f259c92177c30a4c9d177246edd0a3568b25756a977d0632cf8fa37e905"
 
 [[package]]
 name = "pin-utils"
@@ -4293,15 +4295,15 @@ checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
 [[package]]
 name = "plist"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b336d94e8e4ce29bf15bba393164629764744c567e8ad306cc1fdd0119967fd"
+checksum = "679104537029ed2287c216bfb942bbf723f48ee98f0aef15611634173a74ef21"
 dependencies = [
- "base64 0.12.3",
+ "base64 0.13.0",
  "chrono",
  "indexmap",
  "line-wrap",
- "serde 1.0.123",
+ "serde 1.0.124",
  "xml-rs",
 ]
 
@@ -4398,8 +4400,8 @@ checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
 dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
  "version_check",
 ]
 
@@ -4410,7 +4412,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
+ "quote 1.0.9",
  "version_check",
 ]
 
@@ -4446,7 +4448,7 @@ dependencies = [
  "config",
  "directories",
  "petgraph",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde-value",
  "tint",
 ]
@@ -4500,7 +4502,7 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "588f6378e4dd99458b60ec275b4477add41ce4fa9f64dcba6f15adccb19b50d6"
 dependencies = [
- "env_logger 0.8.2",
+ "env_logger 0.8.3",
  "log 0.4.14",
  "rand 0.8.3",
 ]
@@ -4512,8 +4514,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b22a693222d716a9587786f37ac3f6b4faedb5b80c23914e7303ff5a1d8016e9"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -4524,9 +4526,9 @@ checksum = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 
 [[package]]
 name = "quote"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
+checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
 dependencies = [
  "proc-macro2",
 ]
@@ -4576,7 +4578,7 @@ checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
 dependencies = [
  "libc",
  "rand_chacha 0.3.0",
- "rand_core 0.6.1",
+ "rand_core 0.6.2",
  "rand_hc 0.3.0",
 ]
 
@@ -4597,7 +4599,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.1",
+ "rand_core 0.6.2",
 ]
 
 [[package]]
@@ -4626,9 +4628,9 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
+checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
 dependencies = [
  "getrandom 0.2.2",
 ]
@@ -4648,7 +4650,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core 0.6.1",
+ "rand_core 0.6.2",
 ]
 
 [[package]]
@@ -4692,7 +4694,7 @@ checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
 dependencies = [
  "crossbeam-channel 0.5.0",
  "crossbeam-deque 0.8.0",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils 0.8.3",
  "lazy_static 1.4.0",
  "num_cpus",
 ]
@@ -4720,9 +4722,9 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05ec8ca9416c5ea37062b502703cd7fcb207736bc294f6e0cf367ac6fc234570"
+checksum = "94341e4e44e24f6b591b59e47a8a027df12e008d73fd5672dbea9cc22f4507d9"
 dependencies = [
  "bitflags",
 ]
@@ -4745,7 +4747,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
 dependencies = [
  "getrandom 0.2.2",
- "redox_syscall 0.2.4",
+ "redox_syscall 0.2.5",
 ]
 
 [[package]]
@@ -4770,7 +4772,7 @@ dependencies = [
  "aho-corasick 0.7.15",
  "memchr",
  "regex-syntax 0.6.22",
- "thread_local 1.1.0",
+ "thread_local 1.1.3",
 ]
 
 [[package]]
@@ -4803,7 +4805,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1576e382688d7e9deecea24417e350d3062d97e32e45d70b1cde65994ff1489a"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
 ]
 
 [[package]]
@@ -4828,7 +4830,7 @@ dependencies = [
  "futures-util",
  "http 0.2.3",
  "http-body",
- "hyper 0.13.9",
+ "hyper 0.13.10",
  "hyper-tls",
  "ipnet",
  "js-sys",
@@ -4838,14 +4840,14 @@ dependencies = [
  "mime_guess",
  "native-tls",
  "percent-encoding 2.1.0",
- "pin-project-lite 0.2.4",
- "serde 1.0.123",
+ "pin-project-lite 0.2.6",
+ "serde 1.0.124",
  "serde_urlencoded 0.7.0",
- "tokio 0.2.24",
+ "tokio 0.2.25",
  "tokio-tls",
  "url",
  "wasm-bindgen",
- "wasm-bindgen-futures 0.4.19",
+ "wasm-bindgen-futures 0.4.21",
  "web-sys",
  "winreg",
 ]
@@ -4889,7 +4891,7 @@ dependencies = [
  "base64 0.13.0",
  "blake2b_simd",
  "constant_time_eq",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils 0.8.3",
 ]
 
 [[package]]
@@ -4902,7 +4904,7 @@ dependencies = [
  "libc",
  "rand 0.3.23",
  "rustc-serialize",
- "time 0.1.43",
+ "time 0.1.44",
 ]
 
 [[package]]
@@ -4923,9 +4925,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3ed91c41c42ef7bf687384439c312e75e0da9c149b0390889b94de3c7d9d9e66"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
+ "quote 1.0.9",
  "rust-embed-utils",
- "syn 1.0.60",
+ "syn 1.0.62",
  "walkdir",
 ]
 
@@ -4953,7 +4955,7 @@ dependencies = [
  "byteorder",
  "lazy_static 1.4.0",
  "num",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -5031,9 +5033,9 @@ checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "s3handler"
-version = "0.6.3"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f740eb9bed00c3c12d4c0595be1771262b5071154291f1483ff44a02b8a36cf4"
+checksum = "f85783c5deef12e88b1aa43f450678c1a488e55025a99a19c875d0f46d6d317f"
 dependencies = [
  "async-trait",
  "base64 0.6.0",
@@ -5043,7 +5045,7 @@ dependencies = [
  "dyn-clone",
  "failure",
  "failure_derive",
- "futures 0.3.12",
+ "futures 0.3.13",
  "hmac 0.4.2",
  "hmac-sha1",
  "http 0.2.3",
@@ -5056,11 +5058,11 @@ dependencies = [
  "reqwest",
  "rust-crypto",
  "rustc-serialize",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_derive",
  "serde_json",
  "sha2 0.6.0",
- "tokio 0.2.24",
+ "tokio 0.2.25",
  "url",
 ]
 
@@ -5109,9 +5111,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
-version = "2.0.0"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1759c2e3c8580017a484a7ac56d3abc5a6c1feadf88db2f3633f12ae4268c69"
+checksum = "d493c5f39e02dfb062cd8f33301f90f9b13b650e8c1b1d0fd75c19dd64bff69d"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -5122,9 +5124,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.0.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f99b9d5e26d2a71633cc4f2ebae7cc9f874044e0c351a27e17892d76dce5678b"
+checksum = "dee48cdde5ed250b0d3252818f646e174ab414036edb884dde62d80a3ac6082d"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -5191,9 +5193,9 @@ checksum = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
 
 [[package]]
 name = "serde"
-version = "1.0.123"
+version = "1.0.124"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92d5161132722baa40d802cc70b15262b98258453e85e5d1d365c757c73869ae"
+checksum = "bd761ff957cb2a45fbb9ab3da6512de9de55872866160b23c25f1a841e99d29f"
 dependencies = [
  "serde_derive",
 ]
@@ -5218,7 +5220,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a65a7291a8a568adcae4c10a677ebcedbc6c9cec91c054dee2ce40b0e3290eb"
 dependencies = [
  "ordered-float",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -5227,18 +5229,18 @@ version = "0.11.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16ae07dd2f88a366f15bd0632ba725227018c69a1c8550a927324f8eb8368bb9"
 dependencies = [
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.123"
+version = "1.0.124"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
+checksum = "1800f7693e94e186f5e25a28291ae1570da908aff7d97a095dec1e56ff99069b"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -5248,20 +5250,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb236687e2bb073a7521c021949be944641e671b8505a94069ca37b656c81139"
 dependencies = [
  "result",
- "serde 1.0.123",
+ "serde 1.0.124",
  "void",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.61"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
+checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
 dependencies = [
  "indexmap",
  "itoa",
  "ryu",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -5272,7 +5274,7 @@ checksum = "5af82de3c6549b001bec34961ff2d6a54339a87bab37ce901b693401f27de6cb"
 dependencies = [
  "data-encoding",
  "percent-encoding 2.1.0",
- "serde 1.0.123",
+ "serde 1.0.124",
  "thiserror",
 ]
 
@@ -5287,11 +5289,11 @@ dependencies = [
 
 [[package]]
 name = "serde_test"
-version = "1.0.123"
+version = "1.0.124"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38145a8510bdf71d9a8cceeb57664049538446e77f24648328bdbcf22dc7e169"
+checksum = "61c59238fc0762e8aee0c6ec5f1a2e61d580d94f6274b9fcc91dc51d03fb40ba"
 dependencies = [
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -5302,7 +5304,7 @@ checksum = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
 dependencies = [
  "dtoa",
  "itoa",
- "serde 1.0.123",
+ "serde 1.0.124",
  "url",
 ]
 
@@ -5315,18 +5317,18 @@ dependencies = [
  "form_urlencoded",
  "itoa",
  "ryu",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.16"
+version = "0.8.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdd2af560da3c1fdc02cb80965289254fc35dff869810061e2d8290ee48848ae"
+checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
 dependencies = [
  "dtoa",
  "linked-hash-map 0.5.4",
- "serde 1.0.123",
+ "serde 1.0.124",
  "yaml-rust",
 ]
 
@@ -5348,8 +5350,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -5384,7 +5386,7 @@ dependencies = [
  "byte-tools",
  "digest 0.6.2",
  "fake-simd",
- "generic-array 0.8.3",
+ "generic-array 0.8.4",
 ]
 
 [[package]]
@@ -5402,9 +5404,9 @@ dependencies = [
 
 [[package]]
 name = "shadow-rs"
-version = "0.5.23"
+version = "0.5.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb054640a4d209cbfcc56fa1d9f4a229d4aef3f9da130e7f5698aba36db1c6ce"
+checksum = "c2d24431d84176415baccf1a5f4996365fbe619ed0797131d84627f00f568de2"
 dependencies = [
  "chrono",
  "git2",
@@ -5432,7 +5434,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e31d442c16f047a671b5a71e2161d6e68814012b7f5379d269ebd915fac2729"
 dependencies = [
  "libc",
- "mio 0.7.7",
+ "mio 0.7.9",
  "signal-hook-registry",
 ]
 
@@ -5513,8 +5515,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "133659a15339456eeeb07572eb02a91c91e9815e9cbc89566944d2c8d3efdbf6"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -5585,10 +5587,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "serde 1.0.123",
+ "quote 1.0.9",
+ "serde 1.0.124",
  "serde_derive",
- "syn 1.0.60",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -5599,12 +5601,12 @@ checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
 dependencies = [
  "base-x",
  "proc-macro2",
- "quote 1.0.8",
- "serde 1.0.123",
+ "quote 1.0.9",
+ "serde 1.0.124",
  "serde_derive",
  "serde_json",
  "sha1 0.6.0",
- "syn 1.0.60",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -5629,7 +5631,7 @@ dependencies = [
  "new_debug_unreachable",
  "phf_shared",
  "precomputed-hash",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -5641,7 +5643,7 @@ dependencies = [
  "phf_generator",
  "phf_shared",
  "proc-macro2",
- "quote 1.0.8",
+ "quote 1.0.9",
 ]
 
 [[package]]
@@ -5678,7 +5680,7 @@ dependencies = [
  "log 0.4.14",
  "mime",
  "mime_guess",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
  "serde_urlencoded 0.6.1",
  "url",
@@ -5703,8 +5705,8 @@ dependencies = [
  "log 0.4.14",
  "mime_guess",
  "once_cell",
- "pin-project-lite 0.2.4",
- "serde 1.0.123",
+ "pin-project-lite 0.2.6",
+ "serde 1.0.124",
  "serde_json",
  "web-sys",
 ]
@@ -5743,12 +5745,12 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.60"
+version = "1.0.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+checksum = "123a78a3596b24fee53a6464ce52d8ecbf62241e6294c7e7fe12086cd161f512"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
+ "quote 1.0.9",
  "unicode-xid 0.2.1",
 ]
 
@@ -5768,8 +5770,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
  "unicode-xid 0.2.1",
 ]
 
@@ -5789,7 +5791,7 @@ dependencies = [
  "onig",
  "plist",
  "regex-syntax 0.6.22",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_derive",
  "serde_json",
  "walkdir",
@@ -5798,11 +5800,10 @@ dependencies = [
 
 [[package]]
 name = "sysinfo"
-version = "0.16.1"
+version = "0.16.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c14e2f7068e99d8d3e3580787ffc6c7d21ad90393ff5e54523435197ccb43e6"
+checksum = "6c280c91abd1aed2e36be1bc8f56fbc7a2acbb2b58fbcac9641510179cc72dd9"
 dependencies = [
- "cc",
  "cfg-if 1.0.0",
  "core-foundation-sys",
  "doc-comment",
@@ -5828,7 +5829,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "rand 0.8.3",
- "redox_syscall 0.2.4",
+ "redox_syscall 0.2.5",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
@@ -5902,22 +5903,22 @@ checksum = "8eaa81235c7058867fa8c0e7314f33dcce9c215f535d1913822a2b3f5e289f3c"
 
 [[package]]
 name = "thiserror"
-version = "1.0.23"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76cc616c6abf8c8928e2fdcc0dbfab37175edd8fb49a4641066ad1364fdab146"
+checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.23"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9be73a2caec27583d0046ef3796c3794f868a5bc813db689eed00c7631275cd1"
+checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -5931,11 +5932,11 @@ dependencies = [
 
 [[package]]
 name = "thread_local"
-version = "1.1.0"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb9bc092d0d51e76b2b19d9d85534ffc9ec2db959a2523cdae0697e2972cd447"
+checksum = "8018d24e04c95ac8790716a5987d0fec4f8b27249ffa0f7d33f1369bdfb88cbd"
 dependencies = [
- "lazy_static 1.4.0",
+ "once_cell",
 ]
 
 [[package]]
@@ -5945,17 +5946,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a53f4706d65497df0c4349241deddf35f84cee19c87ed86ea8ca590f4464437"
 dependencies = [
  "jpeg-decoder",
- "miniz_oxide 0.4.3",
+ "miniz_oxide 0.4.4",
  "weezl",
 ]
 
 [[package]]
 name = "time"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
 dependencies = [
  "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
  "winapi 0.3.9",
 ]
 
@@ -5992,9 +5994,9 @@ checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
- "quote 1.0.8",
+ "quote 1.0.9",
  "standback",
- "syn 1.0.60",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -6008,9 +6010,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.1.0"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
+checksum = "317cca572a0e89c3ce0ca1f1bdc9369547fe318a683418e42ac8f59d14701023"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -6038,7 +6040,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a09c0b5bb588872ab2f09afa13ee6e9dac11e10a0ec9e8e3ba39a5a5d530af6"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "mio 0.6.23",
  "num_cpus",
  "tokio-codec",
@@ -6057,9 +6059,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.2.24"
+version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "099837d3464c16a808060bb3f02263b412f6fafcb5d01c533d309985fbeebe48"
+checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
 dependencies = [
  "bytes 0.5.6",
  "fnv",
@@ -6069,7 +6071,7 @@ dependencies = [
  "memchr",
  "mio 0.6.23",
  "num_cpus",
- "pin-project-lite 0.1.11",
+ "pin-project-lite 0.1.12",
  "slab 0.4.2",
  "tokio-macros",
 ]
@@ -6081,7 +6083,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "25b2998660ba0e70d18684de5d06b70b70a3a747469af9dea7618cc59e75976b"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "tokio-io",
 ]
 
@@ -6092,7 +6094,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87b1395334443abca552f63d4f61d0486f12377c2ba8b368e523f89e828cffd4"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "iovec",
  "log 0.4.14",
  "mio 0.6.23",
@@ -6110,7 +6112,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1de0e32a83f131e002238d7ccde18211c0a5397f60cbfffcb112868c2e0e20e"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "tokio-executor",
 ]
 
@@ -6121,7 +6123,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
  "crossbeam-utils 0.7.2",
- "futures 0.1.30",
+ "futures 0.1.31",
 ]
 
 [[package]]
@@ -6130,7 +6132,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "297a1206e0ca6302a0eed35b700d292b275256f596e2f3fea7729d5e629b6ff4"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "tokio-io",
  "tokio-threadpool",
 ]
@@ -6142,7 +6144,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "log 0.4.14",
 ]
 
@@ -6153,8 +6155,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -6163,7 +6165,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fbb47ae81353c63c487030659494b295f6cb6576242f907f203473b191b0389"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "log 0.3.9",
  "net2",
  "rand 0.3.23",
@@ -6182,7 +6184,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
 dependencies = [
  "crossbeam-utils 0.7.2",
- "futures 0.1.30",
+ "futures 0.1.31",
  "lazy_static 1.4.0",
  "log 0.4.14",
  "mio 0.6.23",
@@ -6200,7 +6202,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24da22d077e0f15f55162bdbdc661228c1581892f52074fb242678d015b45162"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
 ]
 
 [[package]]
@@ -6210,7 +6212,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
 dependencies = [
  "fnv",
- "futures 0.1.30",
+ "futures 0.1.31",
 ]
 
 [[package]]
@@ -6220,7 +6222,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "iovec",
  "mio 0.6.23",
  "tokio-io",
@@ -6236,7 +6238,7 @@ dependencies = [
  "crossbeam-deque 0.7.3",
  "crossbeam-queue",
  "crossbeam-utils 0.7.2",
- "futures 0.1.30",
+ "futures 0.1.31",
  "lazy_static 1.4.0",
  "log 0.4.14",
  "num_cpus",
@@ -6251,7 +6253,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
  "crossbeam-utils 0.7.2",
- "futures 0.1.30",
+ "futures 0.1.31",
  "slab 0.4.2",
  "tokio-executor",
 ]
@@ -6263,7 +6265,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a70f4fcd7b3b24fb194f837560168208f669ca8cb70d0c4b862944452396343"
 dependencies = [
  "native-tls",
- "tokio 0.2.24",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -6273,7 +6275,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2a0b10e610b39c38b031a2fcab08e4b82f16ece36504988dcbd81dbba650d82"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "log 0.4.14",
  "mio 0.6.23",
  "tokio-codec",
@@ -6288,7 +6290,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab57a4ac4111c8c9dbcf70779f6fc8bc35ae4b2454809febac840ad19bd7e4e0"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "iovec",
  "libc",
  "log 0.4.14",
@@ -6309,8 +6311,8 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "log 0.4.14",
- "pin-project-lite 0.1.11",
- "tokio 0.2.24",
+ "pin-project-lite 0.1.12",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -6319,24 +6321,24 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
 name = "tower-service"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
+checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
 
 [[package]]
 name = "tracing"
-version = "0.1.22"
+version = "0.1.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f47026cdc4080c07e49b37087de021820269d996f581aac150ef9e5583eefe3"
+checksum = "01ebdc2bb4498ab1ab5f5b73c5803825e60199229ccba0698170e3be0e7f959f"
 dependencies = [
  "cfg-if 1.0.0",
  "log 0.4.14",
- "pin-project-lite 0.2.4",
+ "pin-project-lite 0.2.6",
  "tracing-attributes",
  "tracing-core",
 ]
@@ -6348,8 +6350,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8a9bd1db7706f2373a190b0d067146caa39350c486f3d455b0e33b431f94c07"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
 ]
 
 [[package]]
@@ -6363,11 +6365,11 @@ dependencies = [
 
 [[package]]
 name = "tracing-futures"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab7bb6f14721aa00656086e9335d363c5c8747bae02ebe32ea2c7dece5689b4c"
+checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
 dependencies = [
- "pin-project 0.4.27",
+ "pin-project 1.0.5",
  "tracing",
 ]
 
@@ -6455,9 +6457,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
+checksum = "07fbfce1c8a97d547e8b5334978438d9d6ec8c20e38f56d4a4374d181493eaef"
 dependencies = [
  "tinyvec",
 ]
@@ -6506,7 +6508,7 @@ dependencies = [
  "idna",
  "matches",
  "percent-encoding 2.1.0",
- "serde 1.0.123",
+ "serde 1.0.124",
 ]
 
 [[package]]
@@ -6639,7 +6641,7 @@ version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a05d9d966753fa4b5c8db73fcab5eed4549cfe0e1e4e66911e5564a0085c35d1"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "log 0.4.14",
  "try-lock 0.1.0",
 ]
@@ -6662,34 +6664,34 @@ checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
 [[package]]
 name = "wasi"
-version = "0.10.1+wasi-snapshot-preview1"
+version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93c6c3420963c5c64bca373b25e77acb562081b9bb4dd5bb864187742186cea9"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.69"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cd364751395ca0f68cafb17666eee36b63077fb5ecd972bbcd74c90c4bf736e"
+checksum = "7ee1280240b7c461d6a0071313e08f34a60b0365f14260362e5a2b17d1d31aa7"
 dependencies = [
  "cfg-if 1.0.0",
- "serde 1.0.123",
+ "serde 1.0.124",
  "serde_json",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.69"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1114f89ab1f4106e5b55e688b828c0ab0ea593a1ea7c094b141b14cbaaec2d62"
+checksum = "5b7d8b6942b8bb3a9b0e73fc79b98095a27de6fa247615e59d096754a3bc2aa8"
 dependencies = [
  "bumpalo",
  "lazy_static 1.4.0",
  "log 0.4.14",
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
  "wasm-bindgen-shared",
 ]
 
@@ -6700,7 +6702,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83420b37346c311b9ed822af41ec2e82839bfe99867ec6c54e2da43b7538771c"
 dependencies = [
  "cfg-if 0.1.10",
- "futures 0.1.30",
+ "futures 0.1.31",
  "futures-channel-preview",
  "futures-util-preview",
  "js-sys",
@@ -6711,9 +6713,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.19"
+version = "0.4.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fe9756085a84584ee9457a002b7cdfe0bfff169f45d2591d8be1345a6780e35"
+checksum = "8e67a5806118af01f0d9045915676b22aaebecf4178ae7021bc171dab0b897ab"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -6723,38 +6725,38 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.69"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6ac8995ead1f084a8dea1e65f194d0973800c7f571f6edd70adf06ecf77084"
+checksum = "e5ac38da8ef716661f0f36c0d8320b89028efe10c7c0afde65baffb496ce0d3b"
 dependencies = [
- "quote 1.0.8",
+ "quote 1.0.9",
  "wasm-bindgen-macro-support",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.69"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
+checksum = "cc053ec74d454df287b9374ee8abb36ffd5acb95ba87da3ba5b7d3fe20eb401e"
 dependencies = [
  "proc-macro2",
- "quote 1.0.8",
- "syn 1.0.60",
+ "quote 1.0.9",
+ "syn 1.0.62",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.69"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e7811dd7f9398f14cc76efd356f98f03aa30419dea46aa810d71e819fc97158"
+checksum = "7d6f8ec44822dd71f5f221a5847fb34acd9060535c1211b70a05844c0f6383b1"
 
 [[package]]
 name = "web-sys"
-version = "0.3.46"
+version = "0.3.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "222b1ef9334f92a21d3fb53dc3fd80f30836959a90f9274a626d7e06315ba3c3"
+checksum = "ec600b26223b2948cedfde2a0aa6756dcf1fef616f43d7b3097aaf53a6c4d92b"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -6762,9 +6764,9 @@ dependencies = [
 
 [[package]]
 name = "weezl"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e2bb9fc8309084dd7cd651336673844c1d47f8ef6d2091ec160b27f5c4aa277"
+checksum = "4a32b378380f4e9869b22f0b5177c68a5519f03b3454fde0b291455ddbae266c"
 
 [[package]]
 name = "wepoll-sys"
@@ -6899,14 +6901,14 @@ dependencies = [
 
 [[package]]
 name = "zip"
-version = "0.5.9"
+version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc2896475a242c41366941faa27264df2cb935185a92e059a004d0048feb2ac5"
+checksum = "8264fcea9b7a036a4a5103d7153e988dbc2ebbafb34f68a3c2d404b6b82d74b6"
 dependencies = [
  "byteorder",
  "bzip2",
  "crc32fast",
  "flate2",
  "thiserror",
- "time 0.1.43",
+ "time 0.1.44",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2b1e8ea97d..6550a387f8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -84,6 +84,7 @@ which-support = [
     "nu-cli/which",
     "nu-command/ichwh",
     "nu-command/which",
+    "nu-engine/which"
 ]
 
 default = [
diff --git a/crates/nu-cli/src/cli.rs b/crates/nu-cli/src/cli.rs
index 121e01e7d7..c34fb521d2 100644
--- a/crates/nu-cli/src/cli.rs
+++ b/crates/nu-cli/src/cli.rs
@@ -1,12 +1,11 @@
 use crate::line_editor::configure_ctrl_c;
 use nu_command::commands::default_context::create_default_context;
-#[allow(unused_imports)]
-use nu_command::maybe_print_errors;
-use nu_engine::run_block;
-use nu_engine::EvaluationContext;
+use nu_engine::{
+    print::maybe_print_errors, run_block, script::run_script_standalone, EvaluationContext,
+};
 
 #[allow(unused_imports)]
-pub(crate) use nu_command::script::{process_script, LineResult};
+pub(crate) use nu_engine::script::{process_script, LineResult};
 
 #[cfg(feature = "rustyline-support")]
 use crate::line_editor::{
@@ -21,8 +20,6 @@ use nu_stream::InputStream;
 #[allow(unused_imports)]
 use std::sync::atomic::Ordering;
 
-use nu_command::script::{print_err, run_script_standalone};
-
 #[cfg(feature = "rustyline-support")]
 use rustyline::{self, error::ReadlineError};
 
@@ -79,7 +76,7 @@ pub async fn run_script_file(
         syncer.sync_path_vars(ctx);
 
         if let Err(reason) = syncer.autoenv(ctx) {
-            print_err(reason, &Text::from(""), ctx);
+            ctx.host.lock().print_err(reason, &Text::from(""));
         }
 
         let _ = register_plugins(ctx);
@@ -107,7 +104,7 @@ pub async fn cli(mut context: EvaluationContext) -> Result<(), Box<dyn Error>> {
         syncer.sync_path_vars(ctx);
 
         if let Err(reason) = syncer.autoenv(ctx) {
-            print_err(reason, &Text::from(""), ctx);
+            ctx.host.lock().print_err(reason, &Text::from(""));
         }
 
         let _ = configure_ctrl_c(ctx);
@@ -199,14 +196,14 @@ pub async fn cli(mut context: EvaluationContext) -> Result<(), Box<dyn Error>> {
                                 }
                             }
                             Err(e) => {
-                                crate::cli::print_err(e, &Text::from(prompt_line), &context);
+                                context.host.lock().print_err(e, &Text::from(prompt_line));
                                 context.clear_errors();
 
                                 "> ".to_string()
                             }
                         },
                         Err(e) => {
-                            crate::cli::print_err(e, &Text::from(prompt_line), &context);
+                            context.host.lock().print_err(e, &Text::from(prompt_line));
                             context.clear_errors();
 
                             "> ".to_string()
@@ -274,7 +271,7 @@ pub async fn cli(mut context: EvaluationContext) -> Result<(), Box<dyn Error>> {
             }
 
             if let Err(reason) = syncer.autoenv(ctx) {
-                print_err(reason, &Text::from(""), ctx);
+                ctx.host.lock().print_err(reason, &Text::from(""));
             }
 
             let _ = configure_rustyline_editor(&mut rl, config);
@@ -296,7 +293,10 @@ pub async fn cli(mut context: EvaluationContext) -> Result<(), Box<dyn Error>> {
                 rl.add_history_entry(&line);
                 let _ = rl.save_history(&history_path);
 
-                print_err(err, &Text::from(session_text.clone()), &context);
+                context
+                    .host
+                    .lock()
+                    .print_err(err, &Text::from(session_text.clone()));
 
                 maybe_print_errors(&context, Text::from(session_text.clone()));
             }
diff --git a/crates/nu-cli/src/line_editor.rs b/crates/nu-cli/src/line_editor.rs
index 0ed4272b49..d78a823bd4 100644
--- a/crates/nu-cli/src/line_editor.rs
+++ b/crates/nu-cli/src/line_editor.rs
@@ -5,7 +5,7 @@ use std::error::Error;
 use crate::prelude::*;
 
 #[allow(unused_imports)]
-use nu_command::script::LineResult;
+use nu_engine::script::LineResult;
 
 #[cfg(feature = "rustyline-support")]
 use crate::shell::Helper;
diff --git a/crates/nu-command/src/commands.rs b/crates/nu-command/src/commands.rs
index 6c111b56bd..8603edffbe 100644
--- a/crates/nu-command/src/commands.rs
+++ b/crates/nu-command/src/commands.rs
@@ -20,7 +20,6 @@ pub(crate) mod chart;
 pub(crate) mod classified;
 #[cfg(feature = "clipboard-cli")]
 pub(crate) mod clip;
-pub mod command;
 pub(crate) mod compact;
 pub(crate) mod config;
 pub(crate) mod constants;
diff --git a/crates/nu-command/src/commands/classified/external.rs b/crates/nu-command/src/commands/classified/external.rs
index 16930a56ae..c6936901d3 100644
--- a/crates/nu-command/src/commands/classified/external.rs
+++ b/crates/nu-command/src/commands/classified/external.rs
@@ -28,7 +28,7 @@ pub(crate) async fn run_external_command(
 ) -> Result<InputStream, ShellError> {
     trace!(target: "nu::run::external", "-> {}", command.name);
 
-    if !did_find_command(&command.name) {
+    if !context.host.lock().is_external_cmd(&command.name) {
         return Err(ShellError::labeled_error(
             "Command not found",
             "command not found",
@@ -443,35 +443,6 @@ fn spawn(
     }
 }
 
-pub fn did_find_command(#[allow(unused)] name: &str) -> bool {
-    #[cfg(not(feature = "which"))]
-    {
-        // we can't perform this check, so just assume it can be found
-        true
-    }
-
-    #[cfg(all(feature = "which", unix))]
-    {
-        which::which(name).is_ok()
-    }
-
-    #[cfg(all(feature = "which", windows))]
-    {
-        if which::which(name).is_ok() {
-            true
-        } else {
-            // Reference: https://ss64.com/nt/syntax-internal.html
-            let cmd_builtins = [
-                "assoc", "break", "color", "copy", "date", "del", "dir", "dpath", "echo", "erase",
-                "for", "ftype", "md", "mkdir", "mklink", "move", "path", "ren", "rename", "rd",
-                "rmdir", "start", "time", "title", "type", "ver", "verify", "vol",
-            ];
-
-            cmd_builtins.contains(&name)
-        }
-    }
-}
-
 fn expand_tilde<SI: ?Sized, P, HD>(input: &SI, home_dir: HD) -> std::borrow::Cow<str>
 where
     SI: AsRef<str>,
diff --git a/crates/nu-command/src/commands/run_external.rs b/crates/nu-command/src/commands/run_external.rs
index 1aa2db7653..6b231b6a2b 100644
--- a/crates/nu-command/src/commands/run_external.rs
+++ b/crates/nu-command/src/commands/run_external.rs
@@ -147,7 +147,7 @@ async fn maybe_autocd_dir<'a>(
         || (cmd.args.is_empty()
             && PathBuf::from(name).is_dir()
             && dunce::canonicalize(name).is_ok()
-            && !crate::commands::classified::external::did_find_command(&name))
+            && !ctx.host.lock().is_external_cmd(&name))
     {
         Some(name)
     } else {
diff --git a/crates/nu-command/src/commands/source.rs b/crates/nu-command/src/commands/source.rs
index 43ff400580..09e7c25153 100644
--- a/crates/nu-command/src/commands/source.rs
+++ b/crates/nu-command/src/commands/source.rs
@@ -1,5 +1,5 @@
 use crate::prelude::*;
-use nu_engine::WholeStreamCommand;
+use nu_engine::{script, WholeStreamCommand};
 
 use nu_errors::ShellError;
 use nu_parser::expand_path;
@@ -50,7 +50,7 @@ pub async fn source(args: CommandArgs) -> Result<OutputStream, ShellError> {
     let contents = std::fs::read_to_string(expand_path(&filename.item).into_owned());
     match contents {
         Ok(contents) => {
-            let result = crate::script::run_script_standalone(contents, true, &ctx, false).await;
+            let result = script::run_script_standalone(contents, true, &ctx, false).await;
 
             if let Err(err) = result {
                 ctx.error(err.into());
diff --git a/crates/nu-command/src/commands/table/command.rs b/crates/nu-command/src/commands/table/command.rs
index b388357099..47bba0f539 100644
--- a/crates/nu-command/src/commands/table/command.rs
+++ b/crates/nu-command/src/commands/table/command.rs
@@ -7,7 +7,9 @@ use nu_errors::ShellError;
 use nu_protocol::{Primitive, Signature, SyntaxShape, UntaggedValue, Value};
 use nu_table::{draw_table, Alignment, StyledString, TextStyle};
 use std::collections::HashMap;
+use std::sync::atomic::Ordering;
 use std::time::Instant;
+
 #[cfg(feature = "table-pager")]
 use {
     futures::future::join,
diff --git a/crates/nu-command/src/lib.rs b/crates/nu-command/src/lib.rs
index f80b466e0f..d7a5ee6ff5 100644
--- a/crates/nu-command/src/lib.rs
+++ b/crates/nu-command/src/lib.rs
@@ -8,15 +8,11 @@ extern crate indexmap;
 mod prelude;
 pub mod commands;
 mod futures;
-pub mod maybe_print_errors;
-pub mod script;
 pub mod utils;
 
 #[cfg(test)]
 mod examples;
 
-pub use crate::maybe_print_errors::maybe_print_errors;
-
 pub use nu_data::config;
 pub use nu_data::dict::TaggedListBuilder;
 pub use nu_data::primitive;
diff --git a/crates/nu-command/src/prelude.rs b/crates/nu-command/src/prelude.rs
index 10463028e0..8bc256f10d 100644
--- a/crates/nu-command/src/prelude.rs
+++ b/crates/nu-command/src/prelude.rs
@@ -46,7 +46,6 @@ macro_rules! trace_out_stream {
     }};
 }
 
-pub(crate) use crate::commands::command::RunnableContext;
 pub(crate) use async_trait::async_trait;
 pub(crate) use bigdecimal::BigDecimal;
 pub(crate) use futures::{Stream, StreamExt};
@@ -58,11 +57,12 @@ pub(crate) use nu_engine::EvaluationContext;
 pub(crate) use nu_engine::Example;
 pub(crate) use nu_engine::Host;
 pub(crate) use nu_engine::RawCommandArgs;
+pub(crate) use nu_engine::RunnableContext;
 pub(crate) use nu_engine::ShellManager;
 pub(crate) use nu_engine::{get_full_help, CommandArgs, Scope, WholeStreamCommand};
 pub(crate) use nu_parser::ParserScope;
 pub(crate) use nu_protocol::{out, row};
-pub(crate) use nu_source::{AnchorLocation, PrettyDebug, Span, SpannedItem, Tag, TaggedItem, Text};
+pub(crate) use nu_source::{AnchorLocation, PrettyDebug, Span, SpannedItem, Tag, TaggedItem};
 pub(crate) use nu_stream::ToInputStream;
 pub(crate) use nu_stream::{InputStream, Interruptible, OutputStream};
 pub(crate) use nu_value_ext::ValueExt;
@@ -71,7 +71,7 @@ pub(crate) use num_traits::cast::ToPrimitive;
 pub(crate) use serde::Deserialize;
 pub(crate) use std::collections::VecDeque;
 pub(crate) use std::future::Future;
-pub(crate) use std::sync::atomic::{AtomicBool, Ordering};
+pub(crate) use std::sync::atomic::AtomicBool;
 pub(crate) use std::sync::Arc;
 
 #[allow(clippy::wrong_self_convention)]
diff --git a/crates/nu-engine/Cargo.toml b/crates/nu-engine/Cargo.toml
index 81595899de..75d6f3a423 100644
--- a/crates/nu-engine/Cargo.toml
+++ b/crates/nu-engine/Cargo.toml
@@ -18,6 +18,8 @@ nu-value-ext = { version = "0.28.0", path = "../nu-value-ext" }
 nu-ansi-term = { version = "0.28.0", path = "../nu-ansi-term" }
 
 trash = { version = "1.3.0", optional = true }
+which = { version = "4.0.2", optional = true }
+codespan-reporting = "0.11.0"
 async-recursion = "0.3.2"
 async-trait = "0.1.42"
 bytes = "0.5.6"
diff --git a/crates/nu-engine/src/env/basic_host.rs b/crates/nu-engine/src/env/basic_host.rs
index 1dd521c5b3..e9cbb14a0e 100644
--- a/crates/nu-engine/src/env/basic_host.rs
+++ b/crates/nu-engine/src/env/basic_host.rs
@@ -1,5 +1,7 @@
 use crate::Host;
+use nu_errors::ShellError;
 use nu_protocol::{errln, outln};
+use nu_source::Text;
 use std::ffi::OsString;
 
 #[derive(Debug)]
@@ -20,6 +22,21 @@ impl Host for BasicHost {
         }
     }
 
+    fn print_err(&mut self, err: ShellError, source: &Text) {
+        if let Some(diag) = err.into_diagnostic() {
+            let source = source.to_string();
+            let mut files = codespan_reporting::files::SimpleFiles::new();
+            files.add("shell", source);
+
+            let writer = termcolor::StandardStream::stderr(termcolor::ColorChoice::Auto);
+            let config = codespan_reporting::term::Config::default();
+
+            let _ = std::panic::catch_unwind(move || {
+                let _ = codespan_reporting::term::emit(&mut writer.lock(), &config, &files, &diag);
+            });
+        }
+    }
+
     #[allow(unused_variables)]
     fn vars(&mut self) -> Vec<(String, String)> {
         #[cfg(not(target_arch = "wasm32"))]
@@ -61,14 +78,6 @@ impl Host for BasicHost {
         }
     }
 
-    fn out_termcolor(&self) -> termcolor::StandardStream {
-        termcolor::StandardStream::stdout(termcolor::ColorChoice::Auto)
-    }
-
-    fn err_termcolor(&self) -> termcolor::StandardStream {
-        termcolor::StandardStream::stderr(termcolor::ColorChoice::Auto)
-    }
-
     fn width(&self) -> usize {
         let (mut term_width, _) = term_size::dimensions().unwrap_or((80, 20));
         term_width -= 1;
@@ -79,4 +88,33 @@ impl Host for BasicHost {
         let (_, term_height) = term_size::dimensions().unwrap_or((80, 20));
         term_height
     }
+
+    fn is_external_cmd(&self, #[allow(unused)] cmd_name: &str) -> bool {
+        #[cfg(any(target_arch = "wasm32", not(feature = "which")))]
+        {
+            true
+        }
+
+        #[cfg(all(unix, feature = "which"))]
+        {
+            which::which(cmd_name).is_ok()
+        }
+
+        #[cfg(all(windows, feature = "which"))]
+        {
+            if which::which(cmd_name).is_ok() {
+                true
+            } else {
+                // Reference: https://ss64.com/nt/syntax-internal.html
+                let cmd_builtins = [
+                    "assoc", "break", "color", "copy", "date", "del", "dir", "dpath", "echo",
+                    "erase", "for", "ftype", "md", "mkdir", "mklink", "move", "path", "ren",
+                    "rename", "rd", "rmdir", "start", "time", "title", "type", "ver", "verify",
+                    "vol",
+                ];
+
+                cmd_builtins.contains(&cmd_name)
+            }
+        }
+    }
 }
diff --git a/crates/nu-engine/src/env/host.rs b/crates/nu-engine/src/env/host.rs
index f768b38032..9e6fe84e1c 100644
--- a/crates/nu-engine/src/env/host.rs
+++ b/crates/nu-engine/src/env/host.rs
@@ -1,13 +1,15 @@
 use indexmap::IndexMap;
+use nu_errors::ShellError;
+use nu_source::Text;
 use std::ffi::OsString;
 use std::fmt::Debug;
 
-pub trait Host: Debug + Send {
-    fn out_termcolor(&self) -> termcolor::StandardStream;
-    fn err_termcolor(&self) -> termcolor::StandardStream;
+use super::basic_host::BasicHost;
 
+pub trait Host: Debug + Send {
     fn stdout(&mut self, out: &str);
     fn stderr(&mut self, out: &str);
+    fn print_err(&mut self, err: ShellError, source: &Text);
 
     fn vars(&mut self) -> Vec<(String, String)>;
     fn env_get(&mut self, key: OsString) -> Option<OsString>;
@@ -16,6 +18,8 @@ pub trait Host: Debug + Send {
 
     fn width(&self) -> usize;
     fn height(&self) -> usize;
+
+    fn is_external_cmd(&self, cmd_name: &str) -> bool;
 }
 
 impl Host for Box<dyn Host> {
@@ -27,6 +31,10 @@ impl Host for Box<dyn Host> {
         (**self).stderr(out)
     }
 
+    fn print_err(&mut self, err: ShellError, source: &Text) {
+        (**self).print_err(err, source)
+    }
+
     fn vars(&mut self) -> Vec<(String, String)> {
         (**self).vars()
     }
@@ -43,14 +51,6 @@ impl Host for Box<dyn Host> {
         (**self).env_rm(key)
     }
 
-    fn out_termcolor(&self) -> termcolor::StandardStream {
-        (**self).out_termcolor()
-    }
-
-    fn err_termcolor(&self) -> termcolor::StandardStream {
-        (**self).err_termcolor()
-    }
-
     fn width(&self) -> usize {
         (**self).width()
     }
@@ -58,6 +58,10 @@ impl Host for Box<dyn Host> {
     fn height(&self) -> usize {
         (**self).height()
     }
+
+    fn is_external_cmd(&self, name: &str) -> bool {
+        (**self).is_external_cmd(name)
+    }
 }
 
 #[derive(Debug)]
@@ -90,6 +94,10 @@ impl Host for FakeHost {
         self.line_written = out.to_string();
     }
 
+    fn print_err(&mut self, err: ShellError, source: &Text) {
+        BasicHost {}.print_err(err, source);
+    }
+
     fn vars(&mut self) -> Vec<(String, String)> {
         self.env_vars
             .iter()
@@ -118,14 +126,6 @@ impl Host for FakeHost {
             .shift_remove(&key.into_string().expect("Couldn't convert to string."));
     }
 
-    fn out_termcolor(&self) -> termcolor::StandardStream {
-        termcolor::StandardStream::stdout(termcolor::ColorChoice::Auto)
-    }
-
-    fn err_termcolor(&self) -> termcolor::StandardStream {
-        termcolor::StandardStream::stderr(termcolor::ColorChoice::Auto)
-    }
-
     fn width(&self) -> usize {
         1
     }
@@ -133,4 +133,8 @@ impl Host for FakeHost {
     fn height(&self) -> usize {
         1
     }
+
+    fn is_external_cmd(&self, _: &str) -> bool {
+        true
+    }
 }
diff --git a/crates/nu-engine/src/lib.rs b/crates/nu-engine/src/lib.rs
index c6c8f031ec..d06d753215 100644
--- a/crates/nu-engine/src/lib.rs
+++ b/crates/nu-engine/src/lib.rs
@@ -12,6 +12,9 @@ pub mod filesystem;
 mod history_path;
 mod maybe_text_codec;
 pub mod plugin;
+pub mod print;
+mod runnable_context;
+pub mod script;
 pub mod shell;
 mod whole_stream_command;
 
@@ -35,6 +38,7 @@ pub use crate::filesystem::filesystem_shell::FilesystemShell;
 pub use crate::filesystem::path;
 pub use crate::history_path::history_path;
 pub use crate::maybe_text_codec::{MaybeTextCodec, StringOrBinary};
+pub use crate::runnable_context::RunnableContext;
 pub use crate::shell::help_shell::{command_dict, HelpShell};
 pub use crate::shell::painter::Painter;
 pub use crate::shell::palette::{DefaultPalette, Palette};
diff --git a/crates/nu-command/src/maybe_print_errors.rs b/crates/nu-engine/src/print.rs
similarity index 77%
rename from crates/nu-command/src/maybe_print_errors.rs
rename to crates/nu-engine/src/print.rs
index 75e6bb7603..87f36e93a3 100644
--- a/crates/nu-command/src/maybe_print_errors.rs
+++ b/crates/nu-engine/src/print.rs
@@ -1,6 +1,7 @@
-use nu_engine::EvaluationContext;
 use nu_source::Text;
 
+use crate::EvaluationContext;
+
 pub fn maybe_print_errors(context: &EvaluationContext, source: Text) -> bool {
     let errors = context.current_errors.clone();
     let mut errors = errors.lock();
@@ -9,7 +10,7 @@ pub fn maybe_print_errors(context: &EvaluationContext, source: Text) -> bool {
         let error = errors[0].clone();
         *errors = vec![];
 
-        crate::script::print_err(error, &source, context);
+        context.host.lock().print_err(error, &source);
         true
     } else {
         false
diff --git a/crates/nu-command/src/commands/command.rs b/crates/nu-engine/src/runnable_context.rs
similarity index 69%
rename from crates/nu-command/src/commands/command.rs
rename to crates/nu-engine/src/runnable_context.rs
index 2ff4926dfc..2c6b459f9d 100644
--- a/crates/nu-command/src/commands/command.rs
+++ b/crates/nu-engine/src/runnable_context.rs
@@ -1,13 +1,14 @@
-use crate::prelude::*;
-use nu_engine::Command;
+use crate::{Command, Host, Scope, ShellManager};
 use nu_errors::ShellError;
+use nu_source::Tag;
+use nu_stream::InputStream;
 use parking_lot::Mutex;
-use std::sync::atomic::AtomicBool;
+use std::sync::{atomic::AtomicBool, Arc};
 
 pub struct RunnableContext {
     pub input: InputStream,
     pub shell_manager: ShellManager,
-    pub host: Arc<parking_lot::Mutex<Box<dyn Host>>>,
+    pub host: Arc<Mutex<Box<dyn Host>>>,
     pub ctrl_c: Arc<AtomicBool>,
     pub current_errors: Arc<Mutex<Vec<ShellError>>>,
     pub scope: Scope,
diff --git a/crates/nu-command/src/script.rs b/crates/nu-engine/src/script.rs
similarity index 84%
rename from crates/nu-command/src/script.rs
rename to crates/nu-engine/src/script.rs
index 1cf192c8a8..2df71e8cfd 100644
--- a/crates/nu-command/src/script.rs
+++ b/crates/nu-engine/src/script.rs
@@ -1,19 +1,22 @@
-use crate::maybe_print_errors;
-use crate::prelude::*;
+use crate::run_block;
+use crate::{path::canonicalize, print::maybe_print_errors};
+use crate::{MaybeTextCodec, StringOrBinary};
+use futures::StreamExt;
 use futures_codec::FramedRead;
-use nu_engine::path::canonicalize;
-use nu_engine::run_block;
-use nu_engine::EvaluationContext;
-use nu_engine::{MaybeTextCodec, StringOrBinary};
 use nu_errors::ShellError;
-use nu_protocol::hir::{ClassifiedCommand, Expression, InternalCommand, Literal, NamedArguments};
+use nu_protocol::hir::{
+    Call, ClassifiedCommand, Expression, InternalCommand, Literal, NamedArguments,
+    SpannedExpression,
+};
 use nu_protocol::{Primitive, ReturnSuccess, UntaggedValue, Value};
-use nu_stream::ToInputStream;
+use nu_stream::{InputStream, ToInputStream};
 
+use crate::EvaluationContext;
 use log::{debug, trace};
-use std::error::Error;
+use nu_source::{Span, Tag, Text};
 use std::iter::Iterator;
 use std::path::Path;
+use std::{error::Error, sync::atomic::Ordering};
 
 #[derive(Debug)]
 pub enum LineResult {
@@ -33,21 +36,6 @@ fn chomp_newline(s: &str) -> &str {
     }
 }
 
-pub fn print_err(err: ShellError, source: &Text, ctx: &EvaluationContext) {
-    if let Some(diag) = err.into_diagnostic() {
-        let source = source.to_string();
-        let mut files = codespan_reporting::files::SimpleFiles::new();
-        files.add("shell", source);
-
-        let writer = ctx.host.lock().err_termcolor();
-        let config = codespan_reporting::term::Config::default();
-
-        let _ = std::panic::catch_unwind(move || {
-            let _ = codespan_reporting::term::emit(&mut writer.lock(), &config, &files, &diag);
-        });
-    }
-}
-
 /// Process the line by parsing the text to turn it into commands, classify those commands so that we understand what is being called in the pipeline, and then run this pipeline
 pub async fn process_script(
     script_text: &str,
@@ -113,7 +101,7 @@ pub async fn process_script(
                         .unwrap_or(true)
                     && canonicalize(ctx.shell_manager.path(), name).is_ok()
                     && Path::new(&name).is_dir()
-                    && !crate::commands::classified::external::did_find_command(&name)
+                    && !ctx.host.lock().is_external_cmd(&name)
                 {
                     // Here we work differently if we're in Windows because of the expected Windows behavior
                     #[cfg(windows)]
@@ -192,18 +180,24 @@ pub async fn process_script(
                 // values to compute them.
                 use futures::stream::TryStreamExt;
 
-                let context = RunnableContext {
-                    input,
-                    shell_manager: ctx.shell_manager.clone(),
-                    host: ctx.host.clone(),
-                    ctrl_c: ctx.ctrl_c.clone(),
-                    current_errors: ctx.current_errors.clone(),
-                    scope: ctx.scope.clone(),
-                    name: Tag::unknown(),
-                };
+                let autoview_cmd = ctx
+                    .get_command("autoview")
+                    .expect("Could not find autoview command");
 
-                if let Ok(mut output_stream) =
-                    crate::commands::autoview::command::autoview(context).await
+                if let Ok(mut output_stream) = ctx
+                    .run_command(
+                        autoview_cmd,
+                        Tag::unknown(),
+                        Call::new(
+                            Box::new(SpannedExpression::new(
+                                Expression::string("autoview".to_string()),
+                                Span::unknown(),
+                            )),
+                            Span::unknown(),
+                        ),
+                        input,
+                    )
+                    .await
                 {
                     loop {
                         match output_stream.try_next().await {
@@ -257,7 +251,10 @@ pub async fn run_script_standalone(
         }
 
         LineResult::Error(line, err) => {
-            print_err(err, &Text::from(line.clone()), &context);
+            context
+                .host
+                .lock()
+                .print_err(err, &Text::from(line.clone()));
 
             maybe_print_errors(&context, Text::from(line));
             if exit_on_error {
@@ -267,6 +264,5 @@ pub async fn run_script_standalone(
 
         _ => {}
     }
-
     Ok(())
 }