diff --git a/Cargo.lock b/Cargo.lock
index dc810f97d59..742ed5db60f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -370,6 +370,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "commoncrypto"
 version = "0.2.0"
@@ -981,6 +990,15 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63312a18f7ea8760cdd0a7c5aac1a619752a246b833545e3e36d1f81f7cd9e66"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "iovec"
 version = "0.1.4"
@@ -1148,9 +1166,9 @@ checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
 [[package]]
 name = "libc"
-version = "0.2.69"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99e85c08494b21a9054e7fe1374a732aeadaff3980b6990b94bfd3a70f690005"
+checksum = "aa7087f49d294270db4e1928fc110c976cd4b9e5a16348e0a1df09afa99e6c98"
 
 [[package]]
 name = "libgit2-sys"
@@ -1211,6 +1229,15 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "lock_api"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.8"
@@ -1476,7 +1503,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
 dependencies = [
- "lock_api",
+ "lock_api 0.3.4",
  "parking_lot_core 0.6.2",
  "rustc_version",
 ]
@@ -1487,10 +1514,21 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3a704eb390aafdc107b0e392f56a82b668e3a71366993b5340f5833fd62505e"
 dependencies = [
- "lock_api",
+ "lock_api 0.3.4",
  "parking_lot_core 0.7.2",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
+dependencies = [
+ "instant",
+ "lock_api 0.4.1",
+ "parking_lot_core 0.8.0",
+]
+
 [[package]]
 name = "parking_lot_core"
 version = "0.6.2"
@@ -1498,7 +1536,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 dependencies = [
  "cfg-if",
- "cloudabi",
+ "cloudabi 0.0.3",
  "libc",
  "redox_syscall",
  "rustc_version",
@@ -1513,7 +1551,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
 dependencies = [
  "cfg-if",
- "cloudabi",
+ "cloudabi 0.0.3",
+ "libc",
+ "redox_syscall",
+ "smallvec 1.4.0",
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
+dependencies = [
+ "cfg-if",
+ "cloudabi 0.1.0",
+ "instant",
  "libc",
  "redox_syscall",
  "smallvec 1.4.0",
@@ -1631,9 +1684,9 @@ dependencies = [
 
 [[package]]
 name = "racer"
-version = "2.1.38"
+version = "2.1.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51dd5fd4247115b28f3e038eb8cda76a0c6f9cb473f769f41f930af8adff22d0"
+checksum = "b9424b4650b9c1134d0a1b34dab82319691e1c95fa8af1658fc640deb1b6823c"
 dependencies = [
  "bitflags",
  "clap",
@@ -1905,9 +1958,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_arena"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2958af0d6e0458434a25cd3a96f6e19f24f71bf50b900add520dec52e212866b"
+checksum = "e8e941a8fc3878a111d2bbfe78e39522d884136f0b412b12592195f26f653476"
 dependencies = [
  "rustc-ap-rustc_data_structures",
  "smallvec 1.4.0",
@@ -1915,9 +1968,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_ast"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c82c2510460f2133548e62399e5acd30c25ae6ece30245baab3d1e00c2fefac"
+checksum = "3b58b6b035710df7f339a2bf86f6dafa876efd95439540970e24609e33598ca6"
 dependencies = [
  "bitflags",
  "rustc-ap-rustc_data_structures",
@@ -1932,11 +1985,11 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_ast_passes"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83977da57f81c6edd89bad47e49136680eaa33288de4abb702e95358c2a0fc6c"
+checksum = "3d379a900d6a1f098490d92ab83e87487dcee2e4ec3f04c3ac4512b5117b64e2"
 dependencies = [
- "itertools 0.8.2",
+ "itertools 0.9.0",
  "rustc-ap-rustc_ast",
  "rustc-ap-rustc_ast_pretty",
  "rustc-ap-rustc_attr",
@@ -1951,9 +2004,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_ast_pretty"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "becf4ca1638b214694c71a8752192683048ab8bd47947cc481f57bd48157eeb9"
+checksum = "658d925c0da9e3c5cddc5e54f4fa8c03b41aff1fc6dc5e41837c1118ad010ac0"
 dependencies = [
  "rustc-ap-rustc_ast",
  "rustc-ap-rustc_span",
@@ -1963,9 +2016,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_attr"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f21ca5dadce8a40d75a2756b77eab75b4c2d827f645c622dd93ee2285599640"
+checksum = "3f387037534f34c148aed753622677500e42d190a095670e7ac3fffc09811a59"
 dependencies = [
  "rustc-ap-rustc_ast",
  "rustc-ap-rustc_ast_pretty",
@@ -1982,9 +2035,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_data_structures"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4cd204764727fde9abf75333eb661f058bfc7242062d91019440fe1b240688b"
+checksum = "14ffd17a37e00d77926a0713f191c59ff3aeb2b551a024c7cfffce14bab79be8"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -1992,10 +2045,9 @@ dependencies = [
  "ena",
  "indexmap",
  "jobserver",
- "lazy_static",
  "libc",
  "measureme",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.0",
  "rustc-ap-rustc_graphviz",
  "rustc-ap-rustc_index",
  "rustc-ap-rustc_macros",
@@ -2013,9 +2065,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_errors"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58116f119e37f14c029f99077b347069621118e048a69df74695b98204e7c136"
+checksum = "2b3263ddcfa9eb911e54a4e8088878dd9fd10e00d8b99b01033ba4a2733fe91d"
 dependencies = [
  "annotate-snippets 0.8.0",
  "atty",
@@ -2032,9 +2084,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_expand"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48e3c4bda9b64b92805bebe7431fdb8e24fd112b35a8c6d2174827441f10a6b2"
+checksum = "e1ab7e68cede8a2273fd8b8623002ce9dc832e061dfc3330e9bcc1fc2a722d73"
 dependencies = [
  "rustc-ap-rustc_ast",
  "rustc-ap-rustc_ast_passes",
@@ -2055,32 +2107,31 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_feature"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b612bb67d3fc49f395b03fc4ea4384a0145b05afbadab725803074ec827632b"
+checksum = "eea2dc95421bc19bbd4d939399833a882c46b684283b4267ad1fcf982fc043d9"
 dependencies = [
- "lazy_static",
  "rustc-ap-rustc_data_structures",
  "rustc-ap-rustc_span",
 ]
 
 [[package]]
 name = "rustc-ap-rustc_fs_util"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7630ad1a73a8434ee920676148cb5440ac57509bd20e94ec41087fb0b1d11c28"
+checksum = "1e44c1804f09635f83f6cf1e04c2e92f8aeb7b4e850ac6c53d373dab02c13053"
 
 [[package]]
 name = "rustc-ap-rustc_graphviz"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a603fca4817062eb4fb23ff129d475bd66a69fb32f34ed4362ae950cf814b49d"
+checksum = "dc491f2b9be6e928f6df6b287549b8d50c48e8eff8638345155f40fa2cfb785d"
 
 [[package]]
 name = "rustc-ap-rustc_index"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9850c4a5d7c341513e10802bca9588bf8f452ceea2d5cfa87b934246a52622bc"
+checksum = "fa73f3fed413cdb6290738a10267da17b9ae8e02087334778b9a8c9491c5efc0"
 dependencies = [
  "arrayvec",
  "rustc-ap-rustc_macros",
@@ -2089,18 +2140,18 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_lexer"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d86722e5a1a615b198327d0d794cd9cbc8b9db4542276fc51fe078924de68ea"
+checksum = "e993881244a92f3b44cf43c8f22ae2ca5cefe4f55a34e2b65b72ee66fe5ad077"
 dependencies = [
  "unicode-xid",
 ]
 
 [[package]]
 name = "rustc-ap-rustc_macros"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3fc8482e44cabdda7ac9a8e224aef62ebdf95274d629dac8db3b42321025fea"
+checksum = "4effe366556e1d75344764adf4d54cba7c2fad33dbd07588e96d0853831ddc7c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2110,9 +2161,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_parse"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3716cdcd978a91dbd4a2788400e90e809527f841426fbeb92f882f9b8582f3ab"
+checksum = "0342675835251571471d3dca9ea1576a853a8dfa1f4b0084db283c861223cb60"
 dependencies = [
  "bitflags",
  "rustc-ap-rustc_ast",
@@ -2130,9 +2181,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_serialize"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c68046d07988b349b2e1c8bc1c9664a1d06519354aa677b9df358c5c5c058da0"
+checksum = "438255ed968d73bf6573aa18d3b8d33c0a85ecdfd14160ef09ff813938e0606c"
 dependencies = [
  "indexmap",
  "smallvec 1.4.0",
@@ -2140,9 +2191,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_session"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85735553501a4de0c8904e37b7ccef79cc1c585a7d7f2cfa02cc38e0d149f982"
+checksum = "7d61ff76dede8eb827f6805754900d1097a7046f938f950231b62b448f55bf78"
 dependencies = [
  "bitflags",
  "getopts",
@@ -2161,9 +2212,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_span"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c49ae8a0d3b9e27c6ffe8febeaa30f899294fff012de70625f9ee81c54fda85"
+checksum = "1c267f15c3cfc82a8a441d2bf86bcccf299d1eb625822468e3d8ee6f7c5a1c89"
 dependencies = [
  "cfg-if",
  "md-5",
@@ -2180,9 +2231,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_target"
-version = "677.0.0"
+version = "679.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1765f447594740c501c7b666b87639aa7c1dae2bf8c3166d5d2dca16646fd034"
+checksum = "8b1b4b266c4d44aac0f7f83b6741d8f0545b03d1ce32f3b5254f2014225cb96c"
 dependencies = [
  "bitflags",
  "rustc-ap-rustc_data_structures",
@@ -2265,7 +2316,7 @@ dependencies = [
 [[package]]
 name = "rustfmt-config_proc_macro"
 version = "0.2.0"
-source = "git+https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.21#01f2eadccc74cf70eb11e6300ffa7e02b18b0027"
+source = "git+https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.22#97d0301011533e1c131c0edd660d77b4bd476c8b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2274,8 +2325,8 @@ dependencies = [
 
 [[package]]
 name = "rustfmt-nightly"
-version = "1.4.21"
-source = "git+https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.21#01f2eadccc74cf70eb11e6300ffa7e02b18b0027"
+version = "1.4.22"
+source = "git+https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.22#97d0301011533e1c131c0edd660d77b4bd476c8b"
 dependencies = [
  "annotate-snippets 0.6.1",
  "anyhow",
diff --git a/Cargo.toml b/Cargo.toml
index fac5b7c9da9..33de556528c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,11 +42,11 @@ lsp-types = { version = "0.60", features = ["proposed"] }
 lazy_static = "1"
 log = "0.4"
 num_cpus = "1"
-racer = { version = "2.1.38", default-features = false }
+racer = { version = "2.1.39", default-features = false }
 rand = "0.7"
 rayon = "1"
 rustc_tools_util = "0.2"
-rustfmt-nightly = { version = "1.4.21", git = "https://github.com/rust-lang/rustfmt", branch = "rustfmt-1.4.21" }
+rustfmt-nightly = { version = "1.4.22", git = "https://github.com/rust-lang/rustfmt", branch = "rustfmt-1.4.22" }
 serde = "1.0"
 serde_json = "1.0"
 serde_derive = "1.0"