diff --git a/Cargo.lock b/Cargo.lock
index 25242c6028..f97591411e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.68"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
+checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
 [[package]]
 name = "anymap"
@@ -40,9 +40,9 @@ checksum = "8f1f8f5a6f3d50d89e3797d7593a50f96bb2aaa20ca0cc7be1fb673232c91d72"
 
 [[package]]
 name = "arbitrary"
-version = "1.2.2"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0224938f92e7aef515fac2ff2d18bd1115c1394ddf4a092e0c87e8be9499ee5"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
 
 [[package]]
 name = "arrayvec"
@@ -111,9 +111,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "camino"
-version = "1.1.2"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c77df041dc383319cc661b428b6961a005db4d6808d5e12536931b1ca9556055"
+checksum = "c530edf18f37068ac2d977409ed5cd50d53d73bc653c7647b48eb78976ac9ae2"
 dependencies = [
  "serde",
 ]
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.15.2"
+version = "0.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "982a0cf6a99c350d7246035613882e376d58cebe571785abc5da4f648d53ac0a"
+checksum = "08a1ec454bc3eead8719cb56e15dbbfecdbc14e4b3a3ae4936cc6e31f5fc0d07"
 dependencies = [
  "camino",
  "cargo-platform",
@@ -143,9 +143,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.78"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 
 [[package]]
 name = "cfg"
@@ -221,9 +221,9 @@ dependencies = [
 
 [[package]]
 name = "command-group"
-version = "2.0.1"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "026c3922235f9f7d78f21251a026f3acdeb7cce3deba107fe09a4bfa63d850a2"
+checksum = "5080df6b0f0ecb76cab30808f00d937ba725cebe266a3da8cd89dff92f2a9916"
 dependencies = [
  "nix",
  "winapi",
@@ -257,9 +257,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.5.6"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
+checksum = "cf2b3e8478797446514c91ef04bafcb59faba183e621ad488df88983cc14128c"
 dependencies = [
  "cfg-if",
  "crossbeam-utils",
@@ -267,9 +267,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "715e8152b692bba2d374b53d4875445368fdf21a94751410af607a5ac677d1fc"
+checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
 dependencies = [
  "cfg-if",
  "crossbeam-epoch",
@@ -278,22 +278,22 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.13"
+version = "0.9.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a"
+checksum = "46bd5f3f85273295a9d14aedfb86f6aadbff6d8f5295c4a9edb08e819dcf5695"
 dependencies = [
  "autocfg",
  "cfg-if",
  "crossbeam-utils",
- "memoffset 0.7.1",
+ "memoffset",
  "scopeguard",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.14"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f"
+checksum = "3c063cd8cc95f5c377ed0d4b49a4b21f632396ff690e8470c29b3359b346984b"
 dependencies = [
  "cfg-if",
 ]
@@ -313,9 +313,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.2.2"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf460bbff5f571bfc762da5102729f59f338be7db17a21fade44c5c4f5005350"
+checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -342,24 +342,24 @@ checksum = "9bda8e21c04aca2ae33ffc2fd8c23134f3cac46db123ba97bd9d3f3b8a4a85e1"
 
 [[package]]
 name = "either"
-version = "1.8.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
 [[package]]
 name = "ena"
-version = "0.14.0"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7402b94a93c24e742487327a7cd839dc9d36fec9de9fb25b09f2dae459f36c3"
+checksum = "c533630cf40e9caa44bd91aadc88a75d75a4c3a12b4cfde353cbed41daa1e1f1"
 dependencies = [
  "log",
 ]
 
 [[package]]
 name = "expect-test"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d4661aca38d826eb7c72fe128e4238220616de4c0cc00db7bfc38e2e1364dd3"
+checksum = "30d9eafeadd538e68fb28016364c9732d78e420b9ff8853fa5e4058861e9f8d3"
 dependencies = [
  "dissimilar",
  "once_cell",
@@ -419,12 +419,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "fs_extra"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2022715d62ab30faffd124d40b76f4134a550a87792276512b18d63272333394"
-
 [[package]]
 name = "fsevent-sys"
 version = "4.1.0"
@@ -442,9 +436,9 @@ checksum = "7ab85b9b05e3978cc9a9cf8fea7f01b494e1a09ed3037e16ba39edc7a29eb61a"
 
 [[package]]
 name = "gimli"
-version = "0.27.0"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec7af912d60cdbd3677c1af9352ebae6fb8394d165568a2234df0fa00f87793"
+checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
 
 [[package]]
 name = "hashbrown"
@@ -774,9 +768,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.9.2"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -832,9 +826,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"
+checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
 [[package]]
 name = "jod-thread"
@@ -874,9 +868,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
 [[package]]
 name = "libloading"
@@ -977,27 +971,18 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memmap2"
-version = "0.5.8"
+version = "0.5.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b182332558b18d807c4ce1ca8ca983b34c3ee32765e47b3f0f69b90355cc1dc"
+checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "memoffset"
-version = "0.6.5"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
-name = "memoffset"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
+checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
 dependencies = [
  "autocfg",
 ]
@@ -1055,9 +1040,9 @@ dependencies = [
 
 [[package]]
 name = "notify"
-version = "5.0.0"
+version = "5.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed2c66da08abae1c024c01d635253e402341b4060a12e99b31c7594063bf490a"
+checksum = "58ea850aa68a06e48fdb069c0ec44d0d64c8dbffa49bf3b6f7f0a901fdea1ba9"
 dependencies = [
  "bitflags",
  "crossbeam-channel",
@@ -1068,7 +1053,7 @@ dependencies = [
  "libc",
  "mio",
  "walkdir",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1093,18 +1078,18 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.30.2"
+version = "0.30.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b8c786513eb403643f2a88c244c2aaa270ef2153f55094587d0c48a3cf22a83"
+checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "once_cell"
-version = "1.17.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "oorandom"
@@ -1180,9 +1165,9 @@ dependencies = [
 
 [[package]]
 name = "paste"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d01a5bd0424d00070b0098dd17ebca6f961a959dead1dbcbbbc1d1cd8d3deeba"
+checksum = "9f746c4065a8fa3fe23974dd82f15431cc8d40779821001404d10d2e79ca7d79"
 
 [[package]]
 name = "paths"
@@ -1282,9 +1267,9 @@ version = "0.0.0"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.50"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
+checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
 dependencies = [
  "unicode-ident",
 ]
@@ -1366,18 +1351,18 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rayon"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db3a213adf02b3bcfd2d3846bb41cb22857d131789e01df434fb7e7bc0759b7"
+checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
 dependencies = [
  "either",
  "rayon-core",
@@ -1385,9 +1370,9 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.10.1"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3"
+checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
@@ -1406,9 +1391,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.7.1"
+version = "1.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
 dependencies = [
  "regex-syntax",
 ]
@@ -1424,19 +1409,19 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.28"
+version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "rowan"
-version = "0.15.10"
+version = "0.15.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5811547e7ba31e903fe48c8ceab10d40d70a101f3d15523c847cce91aa71f332"
+checksum = "64449cfef9483a475ed56ae30e2da5ee96448789fb2aa240a04beb6a055078bf"
 dependencies = [
  "countme",
  "hashbrown",
- "memoffset 0.6.5",
+ "memoffset",
  "rustc-hash",
  "text-size",
 ]
@@ -1451,6 +1436,7 @@ dependencies = [
  "crossbeam-channel",
  "dissimilar",
  "expect-test",
+ "filetime",
  "flycheck",
  "hir",
  "hir-def",
@@ -1464,9 +1450,11 @@ dependencies = [
  "lsp-types",
  "mbe",
  "mimalloc",
+ "mio",
  "num_cpus",
  "oorandom",
  "parking_lot 0.12.1",
+ "parking_lot_core 0.9.6",
  "proc-macro-api",
  "proc-macro-srv",
  "profile",
@@ -1476,10 +1464,12 @@ dependencies = [
  "scip",
  "serde",
  "serde_json",
+ "serde_repr",
  "sourcegen",
  "stdx",
  "syntax",
  "test-utils",
+ "thiserror",
  "threadpool",
  "tikv-jemallocator",
  "toolchain",
@@ -1506,9 +1496,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
+checksum = "d4a36c42d1873f9a77c53bde094f9664d9891bc604a45b4798fd2c389ed12e5b"
 
 [[package]]
 name = "rustc-hash"
@@ -1518,9 +1508,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "ryu"
-version = "1.0.12"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
+checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
 
 [[package]]
 name = "salsa"
@@ -1583,27 +1573,27 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "semver"
-version = "1.0.16"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58bc9567378fc7690d6b2addae4e60ac2eeea07becb2c64b9f218b53865cba2a"
+checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.152"
+version = "1.0.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
+checksum = "314b5b092c0ade17c00142951e50ced110ec27cea304b1037c6969246c2469a4"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.152"
+version = "1.0.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af487d118eecd09402d70a5d72551860e788df87b464af30e5ea6a38c75c541e"
+checksum = "d7e29c4601e36bcec74a223228dce795f4cd3616341a4af93520ca1a837c087d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1612,9 +1602,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.91"
+version = "1.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877c235533714907a8c2464236f5c4b2a17262ef1bd71f38f35ea592c8da6883"
+checksum = "1c533a59c9d8a93a09c6ab31f0fd5e5f4dd1b8fc9434804029839884765d04ea"
 dependencies = [
  "indexmap",
  "itoa",
@@ -1624,9 +1614,9 @@ dependencies = [
 
 [[package]]
 name = "serde_repr"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a5ec9fa74a20ebbe5d9ac23dac1fc96ba0ecfe9f50f2843b52e537b10fbcb4e"
+checksum = "395627de918015623b32e7669714206363a7fc00382bf477e72c1f7533e8eafc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1650,9 +1640,9 @@ checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
 [[package]]
 name = "smol_str"
-version = "0.1.23"
+version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7475118a28b7e3a2e157ce0131ba8c5526ea96e90ee601d9f6bb2e286a35ab44"
+checksum = "fad6c857cbab2627dcf01ec85a623ca4e7dcb5691cbaa3d7fb7653671f0d09c9"
 dependencies = [
  "serde",
 ]
@@ -1689,9 +1679,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.107"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1763,18 +1753,18 @@ checksum = "288cb548dbe72b652243ea797201f3d481a0609a967980fcc5b2315ea811560a"
 
 [[package]]
 name = "thiserror"
-version = "1.0.38"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
+checksum = "a5ab016db510546d856297882807df8da66a16fb8c4101cb8b30054b0d5b2d9c"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.38"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
+checksum = "5420d42e90af0c38c3290abcca25b9b3bdf379fc9f55c528f53a269d9c9a267e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1783,10 +1773,11 @@ dependencies = [
 
 [[package]]
 name = "thread_local"
-version = "1.1.4"
+version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5516c27b78311c50bf42c071425c560ac799b11c30b31f87e3081965fe5e0180"
+checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
 dependencies = [
+ "cfg-if",
  "once_cell",
 ]
 
@@ -1812,12 +1803,11 @@ dependencies = [
 
 [[package]]
 name = "tikv-jemalloc-sys"
-version = "0.5.2+5.3.0-patched"
+version = "0.5.3+5.3.0-patched"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec45c14da997d0925c7835883e4d5c181f196fa142f8c19d7643d1e9af2592c3"
+checksum = "a678df20055b43e57ef8cddde41cdfda9a3c1a060b67f4c5836dfb1d78543ba8"
 dependencies = [
  "cc",
- "fs_extra",
  "libc",
 ]
 
@@ -1833,9 +1823,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.17"
+version = "0.3.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a561bf4617eebd33bca6434b988f39ed798e527f51a1e797d0ee4f61c0a38376"
+checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
 dependencies = [
  "serde",
  "time-core",
@@ -1858,9 +1848,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec_macros"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "toolchain"
@@ -1973,15 +1963,15 @@ dependencies = [
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.10"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54675592c1dbefd78cbd98db9bacd89886e1ca50692a0692baefffdeb92dd58"
+checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.6"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
 name = "unicode-normalization"
@@ -1994,9 +1984,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.10.0"
+version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fdbf052a0783de01e944a6ce7a8cb939e295b1e7be835a1112c3b9a7f047a5a"
+checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
 
 [[package]]
 name = "unicode-xid"
@@ -2054,12 +2044,11 @@ dependencies = [
 
 [[package]]
 name = "walkdir"
-version = "2.3.2"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
+checksum = "36df944cda56c7d8d8b7496af378e6b16de9284591917d307c9b4d313c44e698"
 dependencies = [
  "same-file",
- "winapi",
  "winapi-util",
 ]
 
@@ -2117,45 +2106,45 @@ dependencies = [
 
 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
 
 [[package]]
 name = "write-json"
diff --git a/Cargo.toml b/Cargo.toml
index 333f03ce2f..511cb24a61 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -74,5 +74,9 @@ toolchain = { path = "./crates/toolchain", version = "0.0.0" }
 tt = { path = "./crates/tt", version = "0.0.0" }
 vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" }
 vfs = { path = "./crates/vfs", version = "0.0.0" }
+
 # non-local crates
 smallvec = { version = "1.10.0", features = ["const_new", "union", "const_generics"] }
+# the following crates are pinned to prevent us from pulling in syn 2 until all our dependencies have moved
+serde = { version = "=1.0.156", features = ["derive"] }
+serde_json = "1.0.94"
diff --git a/crates/flycheck/Cargo.toml b/crates/flycheck/Cargo.toml
index 609d18c4ee..1e0b3605b1 100644
--- a/crates/flycheck/Cargo.toml
+++ b/crates/flycheck/Cargo.toml
@@ -16,8 +16,8 @@ crossbeam-channel = "0.5.5"
 tracing = "0.1.37"
 cargo_metadata = "0.15.0"
 rustc-hash = "1.1.0"
-serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.86"
+serde_json.workspace = true
+serde.workspace = true
 jod-thread = "0.1.2"
 command-group = "2.0.1"
 
diff --git a/crates/paths/Cargo.toml b/crates/paths/Cargo.toml
index e24e6eceff..28b54be521 100644
--- a/crates/paths/Cargo.toml
+++ b/crates/paths/Cargo.toml
@@ -15,4 +15,4 @@ doctest = false
 # Adding this dep sadly puts a lot of rust-analyzer crates after the
 # serde-derive crate. Even though we don't activate the derive feature here,
 # someone else in the crate graph certainly does!
-# serde = "1"
+# serde.workspace = true
diff --git a/crates/proc-macro-api/Cargo.toml b/crates/proc-macro-api/Cargo.toml
index 28469b8324..e748421f6d 100644
--- a/crates/proc-macro-api/Cargo.toml
+++ b/crates/proc-macro-api/Cargo.toml
@@ -19,8 +19,8 @@ object = { version = "0.30.2", default-features = false, features = [
     "macho",
     "pe",
 ] }
-serde = { version = "1.0.137", features = ["derive"] }
-serde_json = { version = "1.0.81", features = ["unbounded_depth"] }
+serde.workspace = true
+serde_json = { workspace = true, features = ["unbounded_depth"] }
 tracing = "0.1.37"
 memmap2 = "0.5.4"
 snap = "1.1.0"
diff --git a/crates/profile/Cargo.toml b/crates/profile/Cargo.toml
index 6273ea51db..602e742751 100644
--- a/crates/profile/Cargo.toml
+++ b/crates/profile/Cargo.toml
@@ -20,7 +20,7 @@ countme = { version = "3.0.1", features = ["enable"] }
 jemalloc-ctl = { version = "0.5.0", package = "tikv-jemalloc-ctl", optional = true }
 
 [target.'cfg(target_os = "linux")'.dependencies]
-perf-event = "0.4.7"
+perf-event = "=0.4.7"
 
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3.9", features = ["processthreadsapi", "psapi"] }
diff --git a/crates/project-model/Cargo.toml b/crates/project-model/Cargo.toml
index 22d6a6e789..080b224e86 100644
--- a/crates/project-model/Cargo.toml
+++ b/crates/project-model/Cargo.toml
@@ -16,8 +16,8 @@ tracing = "0.1.35"
 rustc-hash = "1.1.0"
 cargo_metadata = "0.15.0"
 semver = "1.0.14"
-serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.86"
+serde_json.workspace = true
+serde.workspace = true
 anyhow = "1.0.62"
 la-arena = { version = "0.3.0", path = "../../lib/la-arena" }
 
diff --git a/crates/rust-analyzer/Cargo.toml b/crates/rust-analyzer/Cargo.toml
index f0f1900c78..1a4155d3bb 100644
--- a/crates/rust-analyzer/Cargo.toml
+++ b/crates/rust-analyzer/Cargo.toml
@@ -29,8 +29,8 @@ parking_lot = "0.12.1"
 xflags = "0.3.0"
 oorandom = "11.1.3"
 rustc-hash = "1.1.0"
-serde = { version = "1.0.137", features = ["derive"] }
-serde_json = { version = "1.0.81", features = ["preserve_order"] }
+serde_json = { workspace = true, features = ["preserve_order"] }
+serde.workspace = true
 threadpool = "1.8.1"
 rayon = "1.6.1"
 num_cpus = "1.15.0"
@@ -47,6 +47,16 @@ tracing-log = "0.1.3"
 tracing-tree = "0.2.1"
 always-assert = "0.1.2"
 
+# These dependencies are unused, but we pin them to a version here to restrict them for our transitive dependencies
+# so that we don't pull in duplicates of their depdendenceies like windows-sys and syn 1 vs 2
+# these would pull in serde 2
+thiserror = "=1.0.39"
+serde_repr = "=0.1.11"
+# these would pull in windows-sys 0.45.0
+mio = "=0.8.5"
+filetime = "=0.2.19"
+parking_lot_core = "=0.9.6"
+
 cfg.workspace = true
 flycheck.workspace = true
 hir-def.workspace = true
diff --git a/crates/syntax/Cargo.toml b/crates/syntax/Cargo.toml
index 305cf2d394..7200df0a57 100644
--- a/crates/syntax/Cargo.toml
+++ b/crates/syntax/Cargo.toml
@@ -16,7 +16,7 @@ doctest = false
 cov-mark = "2.0.0-pre.1"
 either = "1.7.0"
 itertools = "0.10.5"
-rowan = "0.15.10"
+rowan = "0.15.11"
 rustc_lexer = { version = "727.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
 once_cell = "1.17.0"
diff --git a/lib/lsp-server/Cargo.toml b/lib/lsp-server/Cargo.toml
index 6e32e39605..e78a9d2eb1 100644
--- a/lib/lsp-server/Cargo.toml
+++ b/lib/lsp-server/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2021"
 
 [dependencies]
 log = "0.4.17"
-serde_json = "1.0.86"
-serde = { version = "1.0.144", features = ["derive"] }
+serde_json.workspace = true
+serde.workspace = true
 crossbeam-channel = "0.5.6"
 
 [dev-dependencies]