diff --git a/Cargo.lock b/Cargo.lock
index d5d951da0..f67a2e704 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,9 +32,9 @@ name = "atty"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -111,7 +111,7 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -131,9 +131,9 @@ dependencies = [
 name = "chmod"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
- "walker 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walker 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -150,15 +150,15 @@ name = "chrono"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "chroot"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -166,19 +166,19 @@ dependencies = [
 name = "cksum"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
 [[package]]
 name = "clap"
-version = "2.29.0"
+version = "2.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -189,15 +189,15 @@ name = "cmake"
 version = "0.1.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "comm"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -205,12 +205,12 @@ dependencies = [
 name = "cp"
 version = "0.0.1"
 dependencies = [
- "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "filetime 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "filetime 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "ioctl-sys 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
  "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -308,7 +308,7 @@ name = "date"
 version = "0.0.1"
 dependencies = [
  "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -332,7 +332,7 @@ dependencies = [
 name = "dirname"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -340,7 +340,7 @@ dependencies = [
 name = "du"
 version = "0.0.1"
 dependencies = [
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -360,7 +360,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "env"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -368,7 +368,7 @@ dependencies = [
 name = "expand"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -377,7 +377,7 @@ dependencies = [
 name = "expr"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "onig 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -386,7 +386,7 @@ dependencies = [
 name = "factor"
 version = "0.0.1"
 dependencies = [
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -404,19 +404,19 @@ dependencies = [
 
 [[package]]
 name = "filetime"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "fmt"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -435,16 +435,16 @@ dependencies = [
 
 [[package]]
 name = "fuchsia-zircon"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "fuchsia-zircon-sys"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -463,7 +463,7 @@ dependencies = [
 
 [[package]]
 name = "getopts"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -480,7 +480,7 @@ dependencies = [
 
 [[package]]
 name = "half"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -488,11 +488,11 @@ name = "hashsum"
 version = "0.0.1"
 dependencies = [
  "digest 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "md5 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "md5 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -504,7 +504,7 @@ dependencies = [
 name = "head"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -517,7 +517,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "hostid"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -525,7 +525,7 @@ dependencies = [
 name = "hostname"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -540,8 +540,8 @@ dependencies = [
 name = "install"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -562,7 +562,7 @@ dependencies = [
 name = "join"
 version = "0.0.1"
 dependencies = [
- "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -579,7 +579,7 @@ dependencies = [
 name = "kill"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -595,7 +595,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.34"
+version = "0.2.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -604,7 +604,7 @@ version = "0.0.1"
 dependencies = [
  "cpp 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cpp_build 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -612,7 +612,7 @@ dependencies = [
 name = "link"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -620,7 +620,7 @@ dependencies = [
 name = "ln"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -628,7 +628,7 @@ dependencies = [
 name = "logname"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -636,19 +636,19 @@ dependencies = [
 name = "ls"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty-bytes 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "term_grid 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "termsize 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
 [[package]]
 name = "md5"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -656,7 +656,7 @@ name = "memchr"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -664,15 +664,15 @@ name = "memchr"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "mkdir"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -680,8 +680,8 @@ dependencies = [
 name = "mkfifo"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -689,8 +689,8 @@ dependencies = [
 name = "mknod"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -698,8 +698,8 @@ dependencies = [
 name = "mktemp"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -708,7 +708,7 @@ dependencies = [
 name = "more"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "nix 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -717,7 +717,7 @@ dependencies = [
 name = "mv"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -725,8 +725,8 @@ dependencies = [
 name = "nice"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -737,7 +737,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -746,10 +746,10 @@ name = "nl"
 version = "0.0.1"
 dependencies = [
  "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -763,8 +763,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "nohup"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -772,42 +772,42 @@ dependencies = [
 name = "nproc"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
 [[package]]
 name = "num"
-version = "0.1.41"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-iter 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-iter 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.35"
+version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-traits 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-iter"
-version = "0.1.34"
+version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.1.41"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -815,14 +815,14 @@ name = "num_cpus"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "numfmt"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -831,9 +831,9 @@ name = "od"
 version = "0.0.1"
 dependencies = [
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "half 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "half 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -844,7 +844,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "onig_sys 65.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -854,7 +854,7 @@ version = "65.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cmake 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -862,7 +862,7 @@ dependencies = [
 name = "paste"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -870,8 +870,8 @@ dependencies = [
 name = "pathchk"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -893,14 +893,14 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "printenv"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -917,10 +917,10 @@ name = "ptx"
 version = "0.0.1"
 dependencies = [
  "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -929,7 +929,7 @@ dependencies = [
 name = "pwd"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -945,19 +945,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand"
-version = "0.3.19"
+version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "fuchsia-zircon 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "readlink"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -965,13 +976,13 @@ dependencies = [
 name = "realpath"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.33"
+version = "0.1.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -979,12 +990,12 @@ name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1003,7 +1014,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "relpath"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1016,11 +1027,20 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "remove_dir_all"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rm"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
  "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1030,10 +1050,18 @@ dependencies = [
 name = "rmdir"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
+[[package]]
+name = "rust-users"
+version = "0.6.0"
+source = "git+https://github.com/Arcterus/rust-users#ed91d55dc1fba6b3267519e885f7eb9df3051a19"
+dependencies = [
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "same-file"
 version = "0.1.3"
@@ -1060,7 +1088,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "seq"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1096,11 +1124,11 @@ dependencies = [
 name = "shred"
 version = "0.0.1"
 dependencies = [
- "filetime 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "filetime 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1108,8 +1136,8 @@ dependencies = [
 name = "shuf"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1117,7 +1145,7 @@ dependencies = [
 name = "sleep"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1125,7 +1153,7 @@ dependencies = [
 name = "sort"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
@@ -1135,7 +1163,7 @@ dependencies = [
 name = "split"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1143,8 +1171,8 @@ dependencies = [
 name = "stat"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1152,22 +1180,22 @@ dependencies = [
 name = "stdbuf"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libstdbuf 0.0.1",
- "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempdir 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
 [[package]]
 name = "strsim"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "sum"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1175,9 +1203,9 @@ dependencies = [
 name = "sync"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1186,7 +1214,7 @@ dependencies = [
 name = "tac"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1194,9 +1222,9 @@ dependencies = [
 name = "tail"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1205,17 +1233,18 @@ dependencies = [
 name = "tee"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
 [[package]]
 name = "tempdir"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "remove_dir_all 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1224,9 +1253,9 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1243,8 +1272,8 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1255,7 +1284,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1264,7 +1293,7 @@ dependencies = [
 name = "test"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1287,22 +1316,21 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.38"
+version = "0.1.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "timeout"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1310,9 +1338,9 @@ dependencies = [
 name = "touch"
 version = "0.0.1"
 dependencies = [
- "filetime 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "filetime 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1322,7 +1350,7 @@ version = "0.0.1"
 dependencies = [
  "bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1337,7 +1365,7 @@ dependencies = [
 name = "truncate"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1345,7 +1373,7 @@ dependencies = [
 name = "tsort"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1353,8 +1381,8 @@ dependencies = [
 name = "tty"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1367,7 +1395,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "uname"
 version = "0.0.1"
 dependencies = [
- "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1375,7 +1403,7 @@ dependencies = [
 name = "unexpand"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
@@ -1399,7 +1427,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "uniq"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1409,15 +1437,15 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "unlink"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1433,7 +1461,7 @@ dependencies = [
 name = "uptime"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1441,7 +1469,7 @@ dependencies = [
 name = "users"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1455,9 +1483,9 @@ name = "uucore"
 version = "0.0.1"
 dependencies = [
  "data-encoding 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1487,7 +1515,7 @@ dependencies = [
  "expr 0.0.1",
  "factor 0.0.1",
  "false 0.0.1",
- "filetime 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "filetime 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "fmt 0.0.1",
  "fold 0.0.1",
  "groups 0.0.1",
@@ -1500,7 +1528,7 @@ dependencies = [
  "join 0.0.1",
  "kill 0.0.1",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "link 0.0.1",
  "ln 0.0.1",
  "logname 0.0.1",
@@ -1524,13 +1552,14 @@ dependencies = [
  "printf 0.0.1",
  "ptx 0.0.1",
  "pwd 0.0.1",
- "rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "readlink 0.0.1",
  "realpath 0.0.1",
- "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "relpath 0.0.1",
  "rm 0.0.1",
  "rmdir 0.0.1",
+ "rust-users 0.6.0 (git+https://github.com/Arcterus/rust-users)",
  "seq 0.0.1",
  "shred 0.0.1",
  "shuf 0.0.1",
@@ -1544,9 +1573,9 @@ dependencies = [
  "tac 0.0.1",
  "tail 0.0.1",
  "tee 0.0.1",
- "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempdir 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "test 0.0.1",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "timeout 0.0.1",
  "touch 0.0.1",
  "tr 0.0.1",
@@ -1600,14 +1629,14 @@ dependencies = [
 
 [[package]]
 name = "walker"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wc"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1623,7 +1652,7 @@ name = "whoami"
 version = "0.0.1"
 dependencies = [
  "advapi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1635,11 +1664,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "winapi"
-version = "0.3.2"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi-i686-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-x86_64-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1649,12 +1678,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
-version = "0.3.2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
-version = "0.3.2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1662,14 +1691,14 @@ name = "xattr"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "yes"
 version = "0.0.1"
 dependencies = [
- "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]
 
@@ -1685,10 +1714,10 @@ dependencies = [
 "checksum block-buffer 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1339a1042f5d9f295737ad4d9a6ab6bf81c84a933dba110b9200cd6d1448b814"
 "checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
 "checksum byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "652805b7e73fada9d85e9a6682a4abd490cb52d96aeecc12e33a0de34dfd0d23"
-"checksum cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b13a57efd6b30ecd6598ebdb302cca617930b5470647570468a65d12ef9719"
+"checksum cc 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "deaf9ec656256bb25b404c51ef50097207b9cbb29c933d31f92cae5a8a0ffee0"
 "checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
 "checksum chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7c20ebe0b2b08b0aeddba49c609fe7957ba2e33449882cb186a180bc60682fa9"
-"checksum clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)" = "110d43e343eb29f4f51c1db31beb879d546db27998577e5715270a54bcf41d3f"
+"checksum clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1c07b9257a00f3fc93b7f3c417fc15607ec7a56823bc2c37ec744e266387de5b"
 "checksum cmake 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)" = "56d741ea7a69e577f6d06b36b7dff4738f680593dc27a701ffa8506b73ce28bb"
 "checksum cpp 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b244cf36c028e27227d6e7f9963c768dff5a1c06d5e01ff97f12ef4e05afd57c"
 "checksum cpp_build 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e9aebc7c97550a8c6a1f48dbaf078b033dc546e1b5badde300767099d4cace8f"
@@ -1701,31 +1730,31 @@ dependencies = [
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 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
-"checksum filetime 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "aa75ec8f7927063335a9583e7fa87b0110bb888cf766dc01b54c0ff70d760c8e"
+"checksum filetime 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "714653f3e34871534de23771ac7b26e999651a0a228f47beb324dfdf1dd4b10f"
 "checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
-"checksum fuchsia-zircon 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bd510087c325af53ba24f3be8f1c081b0982319adcb8b03cad764512923ccc19"
-"checksum fuchsia-zircon-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "08b3a6f13ad6b96572b53ce7af74543132f1a7055ccceb6d073dd36c54481859"
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 "checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
 "checksum onig 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1271a3f93197303deda8aedcd96ed2dbb908f61c0954ae70bf7a42f536dc35d7"
 "checksum onig_sys 65.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fbdee58fb75f5b7749ebc8f601f570961eed595dfe4c2bb9a542e2f7ae20b946"
@@ -1733,27 +1762,30 @@ dependencies = [
 "checksum pretty-bytes 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "009d6edd2c1dbf2e1c0cd48a2f7766e03498d49ada7109a01c6911815c685316"
 "checksum quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eda5fe9b71976e62bc81b781206aaa076401769b2143379d3eb2118388babac4"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
-"checksum rand 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)" = "9e7944d95d25ace8f377da3ac7068ce517e4c646754c43a1b1849177bbf72e59"
-"checksum redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)" = "07b8f011e3254d5a9b318fde596d409a0001c9ae4c6e7907520c2eaa4d988c99"
+"checksum rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "15a732abf9d20f0ad8eeb6f909bf6868722d9a06e1e50802b6a70351f40b4eb1"
+"checksum rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eba5f8cb59cc50ed56be8880a5c7b496bfd9bd26394e176bc67884094145c2c5"
+"checksum redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "0d92eecebad22b767915e4d529f89f28ee96dbbf5a4810d2b844373f136417fd"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
-"checksum regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "744554e01ccbd98fff8c457c3b092cd67af62a555a43bfe97ae8a0451f7799fa"
+"checksum regex 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "5be5347bde0c48cfd8c3fdc0766cdfe9d8a755ef84d620d6794c778c91de8b2b"
 "checksum regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8e931c58b93d86f080c734bfd2bce7dd0079ae2331235818133c8be7f422e20e"
 "checksum remove_dir_all 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0882bc41b0ba6131c7f0ce97233b62d8099e3f3abc60d4938185d3e35439c0cc"
+"checksum remove_dir_all 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b5d2f806b0fcdabd98acd380dc8daef485e22bcb7cddc811d1337967f2528cf5"
+"checksum rust-users 0.6.0 (git+https://github.com/Arcterus/rust-users)" = "<none>"
 "checksum same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d931a44fdaa43b8637009e7632a02adc4f2b2e0733c08caa4cf00e8da4a117a7"
 "checksum semver 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3fdd61b85a0fa777f7fb7c454b9189b2941b110d1385ce84d7f76efdf1606a85"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cc30b1e1e8c40c121ca33b86c23308a090d19974ef001b4bf6e61fd1a0fb095c"
 "checksum sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d963c78ce367df26d7ea8b8cc655c651b42e8a1e584e869c1e17dae3ccb116a"
 "checksum sha3 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "26405905b6a56a94c60109cfda62610507ac14a65be531f5767dec5c5a8dd6a0"
-"checksum strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b4d15c810519a91cf877e7e36e63fe068815c678181439f2f29e2562147c3694"
-"checksum tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "87974a6f5c1dfb344d733055601650059a3363de2a6104819293baff662132d6"
+"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
+"checksum tempdir 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "f73eebdb68c14bcb24aef74ea96079830e7fa7b31a6106e42ea7ee887c1e134e"
 "checksum tempfile 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "11ce2fe9db64b842314052e2421ac61a73ce41b898dc8e3750398b219c5fc1e0"
 "checksum term_grid 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b56a46b68f4aa347ba5512b1abc12dcb641ff0e9aa3cb49b007595a320e369c5"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum termsize 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "4e3cde4e7c68acfef795660eba99817550b0d7b6d79ebb8e75439358ca5b680f"
 "checksum textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0b59b6b4b44d867f1370ef1bd91bfb262bf07bf0ae65c202ea2fbc16153b693"
 "checksum thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "279ef31c19ededf577bfd12dfae728040a21f635b06a24cd670ff510edd38963"
-"checksum time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)" = "d5d788d3aa77bc0ef3e9621256885555368b47bd495c13dd2e7413c89f845520"
+"checksum time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "a15375f1df02096fb3317256ce2cee6a1f42fc84ea5ad5fc8c421cfe40c73098"
 "checksum typenum 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "13a99dc6780ef33c78780b826cf9d2a78840b72cae9474de4bcaf9051e60ebbd"
 "checksum unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3a113775714a22dcb774d8ea3655c53a32debae63a063acc00a91cc586245f"
 "checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
@@ -1765,10 +1797,10 @@ dependencies = [
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c66c0b9792f0a765345452775f3adbd28dde9d33f30d13e5dcc5ae17cf6f3780"
 "checksum walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bb08f9e670fab86099470b97cd2b252d6527f0b3cc1401acdb595ffc9dd288ff"
-"checksum walker 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0488b82b198ac3588ba688f5e56cbd53e0b6dad64f075e67c15647e54aac610"
+"checksum walker 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44971d5e5ae4f7904dffb6260ebd3910e7bcae104a94730e04a24cb6af40646b"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
-"checksum winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "890b38836c01d72fdb636d15c9cfc52ec7fd783b330abc93cd1686f4308dfccc"
+"checksum winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "04e3bd221fcbe8a271359c04f21a76db7d0c6028862d1bb5512d85e1e2eb5bb3"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-"checksum winapi-i686-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ec6667f60c23eca65c561e63a13d81b44234c2e38a6b6c959025ee907ec614cc"
-"checksum winapi-x86_64-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "98f12c52b2630cd05d2c3ffd8e008f7f48252c042b4871c72aed9dc733b96668"
+"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum xattr 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "abb373b92de38a4301d66bec009929b4fb83120ea1c4a401be89dbe0b9777443"
diff --git a/Cargo.toml b/Cargo.toml
index fdc46a845..ec9a6a92b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -252,6 +252,7 @@ unindent = "0.1.0"
 lazy_static = "0.2.2"
 
 [target.'cfg(unix)'.dev-dependencies]
+rust-users = { git = "https://github.com/uutils/rust-users" }
 unix_socket = "0.5.0"
 
 [[bin]]
diff --git a/src/stdbuf/build.rs b/src/stdbuf/build.rs
index 0c0c01bc8..3b15b75fd 100644
--- a/src/stdbuf/build.rs
+++ b/src/stdbuf/build.rs
@@ -18,8 +18,11 @@ mod platform {
 fn main() {
     mkmain::main();
 
+    let manifest_dir = env::var("CARGO_MANIFEST_DIR").expect("Could not find manifest dir");
+    let profile = env::var("PROFILE").expect("Could not determine profile");
+
     let out_dir = env::var("OUT_DIR").unwrap();
-    let libstdbuf = format!("{}/../../{}/{}/deps/liblibstdbuf{}", env::var("CARGO_MANIFEST_DIR").unwrap(), env::var("CARGO_TARGET_DIR").unwrap_or("target".to_string()), env::var("PROFILE").unwrap(), platform::DYLIB_EXT);
+    let libstdbuf = format!("{}/../../{}/{}/deps/liblibstdbuf{}", manifest_dir, env::var("CARGO_TARGET_DIR").unwrap_or("target".to_string()), profile, platform::DYLIB_EXT);
     
     fs::copy(libstdbuf, Path::new(&out_dir).join("libstdbuf.so")).unwrap();
 }
diff --git a/src/who/who.rs b/src/who/who.rs
index 386739b0c..47214eb1a 100644
--- a/src/who/who.rs
+++ b/src/who/who.rs
@@ -200,7 +200,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
         exit!(1);
     }
 
-    let who = Who {
+    let mut who = Who {
         do_lookup: do_lookup,
         short_list: short_list,
         short_output: short_output,
@@ -216,6 +216,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
         need_runlevel: need_runlevel,
         need_users: need_users,
         my_line_only: my_line_only,
+        has_records: false,
         args: matches.free,
     };
 
@@ -240,6 +241,7 @@ struct Who {
     need_runlevel: bool,
     need_users: bool,
     my_line_only: bool,
+    has_records: bool,
     args: Vec<String>,
 }
 
@@ -282,7 +284,7 @@ fn current_tty() -> String {
 }
 
 impl Who {
-    fn exec(&self) {
+    fn exec(&mut self) {
         let f = if self.args.len() == 1 {
             self.args[0].as_ref()
         } else {
@@ -297,6 +299,9 @@ impl Who {
             println!("{}", users.join(" "));
             println!("# users={}", users.len());
         } else {
+            let mut records = Utmpx::iter_all_records().read_from(f).peekable();
+            self.has_records = records.peek().is_some();
+
             if self.include_heading {
                 self.print_heading()
             }
@@ -306,7 +311,7 @@ impl Who {
                 "".to_owned()
             };
 
-            for ut in Utmpx::iter_all_records().read_from(f) {
+            for ut in records {
                 if !self.my_line_only || cur_tty == ut.tty_device() {
                     if self.need_users && ut.is_user_process() {
                         self.print_user(&ut);
@@ -486,7 +491,11 @@ impl Who {
         }
         buf.push_str(&format!(" {:<12}", line));
         // "%Y-%m-%d %H:%M"
-        buf.push_str(&format!(" {:<1$}", time, 4 + 1 + 2 + 1 + 2 + 1 + 2 + 1 + 2));
+        let mut time_size = 4 + 1 + 2 + 1 + 2 + 1 + 2 + 1 + 2;
+        if !self.has_records {
+            time_size -= 4;
+        }
+        buf.push_str(&format!(" {:<1$}", time, time_size));
 
         if !self.short_output {
             if self.include_idle {
diff --git a/tests/test_chgrp.rs b/tests/test_chgrp.rs
index 948046bc6..e69db13e3 100644
--- a/tests/test_chgrp.rs
+++ b/tests/test_chgrp.rs
@@ -1,5 +1,5 @@
 use common::util::*;
-
+use rust_users::*;
 
 #[test]
 fn test_invalid_option() {
@@ -14,30 +14,34 @@ static DIR: &'static str = "/tmp";
 #[test]
 fn test_invalid_group() {
     new_ucmd!()
-        .arg("nosuchgroup")
+        .arg("__nosuchgroup__")
         .arg("/")
         .fails()
-        .stderr_is("chgrp: invalid group: nosuchgroup");
+        .stderr_is("chgrp: invalid group: __nosuchgroup__");
 }
 
 #[test]
 fn test_1() {
-    new_ucmd!()
-        .arg("bin")
-        .arg(DIR)
-        .fails()
-        .stderr_is("chgrp: changing group of '/tmp': Operation not permitted (os error 1)");
+    if get_effective_gid() != 0 {
+        new_ucmd!()
+            .arg("bin")
+            .arg(DIR)
+            .fails()
+            .stderr_is("chgrp: changing group of '/tmp': Operation not permitted (os error 1)");
+    }
 }
 
 #[test]
 fn test_fail_silently() {
-    for opt in &["-f", "--silent", "--quiet"] {
-        new_ucmd!()
-            .arg(opt)
-            .arg("bin")
-            .arg(DIR)
-            .run()
-            .fails_silently();
+    if get_effective_gid() != 0 {
+        for opt in &["-f", "--silent", "--quiet"] {
+            new_ucmd!()
+                .arg(opt)
+                .arg("bin")
+                .arg(DIR)
+                .run()
+                .fails_silently();
+        }
     }
 }
 
@@ -94,13 +98,15 @@ fn test_preserve_root_symlink() {
 #[test]
 #[cfg(target_os = "linux")]
 fn test_reference() {
-    new_ucmd!()
-        .arg("-v")
-        .arg("--reference=/etc/passwd")
-        .arg("/etc")
-        .fails()
-        .stderr_is("chgrp: changing group of '/etc': Operation not permitted (os error 1)\n")
-        .stdout_is("failed to change group of /etc from root to root\n");
+    if get_effective_gid() != 0 {
+        new_ucmd!()
+            .arg("-v")
+            .arg("--reference=/etc/passwd")
+            .arg("/etc")
+            .fails()
+            .stderr_is("chgrp: changing group of '/etc': Operation not permitted (os error 1)\n")
+            .stdout_is("failed to change group of /etc from root to root\n");
+    }
 }
 
 #[test]
@@ -116,23 +122,27 @@ fn test_reference() {
 #[test]
 #[cfg(target_os = "linux")]
 fn test_big_p() {
-    new_ucmd!()
-        .arg("-RP")
-        .arg("bin")
-        .arg("/proc/self/cwd")
-        .fails()
-        .stderr_is("chgrp: changing group of '/proc/self/cwd': Operation not permitted (os error 1)\n");
+    if get_effective_gid() != 0 {
+        new_ucmd!()
+            .arg("-RP")
+            .arg("bin")
+            .arg("/proc/self/cwd")
+            .fails()
+            .stderr_is("chgrp: changing group of '/proc/self/cwd': Operation not permitted (os error 1)\n");
+    }
 }
 
 #[test]
 #[cfg(target_os = "linux")]
 fn test_big_h() {
-    assert!(new_ucmd!()
-        .arg("-RH")
-        .arg("bin")
-        .arg("/proc/self/fd")
-        .fails()
-        .stderr
-        .lines()
-        .fold(0, |acc, _| acc + 1) > 1);
+    if get_effective_gid() != 0 {
+        assert!(new_ucmd!()
+            .arg("-RH")
+            .arg("bin")
+            .arg("/proc/self/fd")
+            .fails()
+            .stderr
+            .lines()
+            .fold(0, |acc, _| acc + 1) > 1);
+    }
 }
diff --git a/tests/tests.rs b/tests/tests.rs
index d7d1032fa..b413a4f88 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -4,6 +4,9 @@ mod common;
 #[macro_use]
 extern crate lazy_static;
 
+#[cfg(unix)]
+extern crate rust_users;
+
 // For conditional compilation
 macro_rules! unix_only {
     ($($fea:expr, $m:ident);+) => {