diff --git a/Cargo.lock b/Cargo.lock
index 345b1320..10df3ff6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -86,38 +86,37 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.2.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.3.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "crossbeam-utils"
-version = "0.2.2"
+name = "crossbeam-queue"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.6.6"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -253,8 +252,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memoffset"
-version = "0.2.1"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "nodrop"
@@ -350,7 +352,7 @@ dependencies = [
  "racer-cargo-metadata 0.1.1",
  "racer-testutils 0.1.0",
  "rls-span 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-syntax 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-syntax 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -453,52 +455,52 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-arena"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rustc-ap-rustc_data_structures 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_data_structures 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-ap-graphviz"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rustc-ap-rustc_data_structures"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "ena 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jobserver 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-graphviz 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_index 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-graphviz 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_index 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-rayon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-rayon-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-rayon 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-rayon-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-ap-rustc_errors"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "annotate-snippets 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_data_structures 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-syntax_pos 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_data_structures 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-syntax_pos 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -506,16 +508,16 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_index"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-ap-rustc_lexer"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -523,32 +525,32 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_macros"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-ap-rustc_target"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_data_structures 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_index 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-syntax_pos 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_data_structures 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_index 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-syntax_pos 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-ap-serialize"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "indexmap 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -557,34 +559,34 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-syntax"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_data_structures 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_errors 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_index 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_lexer 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_target 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-syntax_pos 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_data_structures 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_errors 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_index 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_lexer 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_target 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-syntax_pos 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "scoped-tls 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-ap-syntax_pos"
-version = "606.0.0"
+version = "610.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-arena 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_data_structures 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_index 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-rustc_macros 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-arena 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_data_structures 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_index 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-rustc_macros 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "scoped-tls 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -599,22 +601,23 @@ dependencies = [
 
 [[package]]
 name = "rustc-rayon"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-rayon-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-rayon-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-rayon-core"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -636,11 +639,6 @@ name = "scoped-tls"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "scopeguard"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "scopeguard"
 version = "1.0.0"
@@ -724,13 +722,13 @@ dependencies = [
 
 [[package]]
 name = "synstructure"
-version = "0.10.2"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -863,10 +861,10 @@ dependencies = [
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 "checksum clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-"checksum crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f739f8c5363aca78cfb059edf753d8f0d36908c348f3d8d1503f03d8b75d9cf3"
-"checksum crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "927121f5407de9956180ff5e936fe3cf4324279280001cd56b669d28ee7e9150"
-"checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
-"checksum crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+"checksum crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b18cd2e169ad86297e6bc0ad9aa679aee9daa4f19e8163860faf7c164e4f5a71"
+"checksum crossbeam-epoch 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "fedcd6772e37f3da2a9af9bf12ebe046c0dfe657992377b4df982a2b54cd37a9"
+"checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
+"checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
 "checksum derive_more 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3f57d78cf3bd45270dad4e70c21ec77a960b36c7a841ff9db76aaa775a8fb871"
 "checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 "checksum ena 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8944dc8fa28ce4a38f778bd46bf7d923fe73eed5a439398507246c8e017e6f36"
@@ -884,7 +882,7 @@ dependencies = [
 "checksum lock_api 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f8912e782533a93a167888781b836336a6ca5da6175c05944c86cf28c31104dc"
 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
-"checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
+"checksum memoffset 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ce6075db033bbbb7ee5a0bbd3a3186bbae616f57fb001c485c7ff77955f8177f"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
 "checksum num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcef43580c035376c0705c42792c294b66974abbfd2789b511784023f71f3273"
 "checksum parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
@@ -904,24 +902,23 @@ dependencies = [
 "checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum rls-span 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f2e9bed56f6272bd85d9d06d1aaeef80c5fddc78a82199eb36dceb5f94e7d934"
-"checksum rustc-ap-arena 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a623fd4805842e9bd0bb6e6dace63efede0ee22de4522a0b03b7c3d15a22f009"
-"checksum rustc-ap-graphviz 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee549ade784b444ef10c0240c3487ed785aa65d711071f7984246b15329a17b6"
-"checksum rustc-ap-rustc_data_structures 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca545744a5a9b42e3d0410d6290d40de96dd567253fe77f310c1de4afd213dd4"
-"checksum rustc-ap-rustc_errors 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a6967a41ed38ef4bce0f559fe9a4801d8ba12ac032f40a12a55e72f79d52c9bb"
-"checksum rustc-ap-rustc_index 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "457a5c204ae2fdaa5bdb5b196e58ca59896870d80445fe423063c9453496e3ea"
-"checksum rustc-ap-rustc_lexer 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed0c064676f8a08e42a36b0d4e4a102465fb0f4b75e11436cb7f66d2c3fa7139"
-"checksum rustc-ap-rustc_macros 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b2d77e46159c5288c585decbcdc9d742889c65e307c31e104c7a36d63fe1f5d0"
-"checksum rustc-ap-rustc_target 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "86ca895350b0de14d064b499168c93fa183958d5462eb042c927d93623e41ec1"
-"checksum rustc-ap-serialize 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "92679240e86f4583cc05f8dcf6439bdab87bac9e6555718469176de9bd52ba20"
-"checksum rustc-ap-syntax 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0a0c30f8e38c847dbfd9e2f1e472ab06d0bd0a23ab53ae4c5a44912842ce834e"
-"checksum rustc-ap-syntax_pos 606.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2bdaa0fb40143b4b878256ac4e2b498885daafc269502504d91929eab4744bf4"
+"checksum rustc-ap-arena 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7475f4c707269b56eb7144c53591e3cd6369a5aa1d66434829ea11df96d5e7e3"
+"checksum rustc-ap-graphviz 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6e59a55520f140a70a3e0fad80a36e807caa85e9d7016167b91a5b521ea929be"
+"checksum rustc-ap-rustc_data_structures 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6420857d5a088f680ec1ba736ffba4ee9c1964b0d397e6318f38d461f4f7d5cb"
+"checksum rustc-ap-rustc_errors 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8abfca0960131262254a91d02ff4903526a261ede730d7a2c75b4234c867cdc0"
+"checksum rustc-ap-rustc_index 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a395509dcb90a92c1479c085639594624e06b4ab3fc7c1b795b46a61f2d4f65"
+"checksum rustc-ap-rustc_lexer 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "64eac8a0e6efb8f55292aa24be0208c7c0538236c613e79952fd1fa3d54bcf8e"
+"checksum rustc-ap-rustc_macros 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f99795e8be4877e9e05d59f201e1740c1cf673364655def5848606d9e25b75af"
+"checksum rustc-ap-rustc_target 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f22e21fdd8e1c0030f507158fa79b9f1e080e6241aba994d0f97c14a0a07a826"
+"checksum rustc-ap-serialize 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1cd6ef5135408d62559866e79986ca261f4c1333253d500e5e66fe66d1432e"
+"checksum rustc-ap-syntax 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "61fc1c901d2cbd24cae95d7bc5a58aa7661ec3dc5320c78c32830a52a685c33c"
+"checksum rustc-ap-syntax_pos 610.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "230534f638255853bb9f13987537e00a818435a0cc54b68d97221b6822c8f1bc"
 "checksum rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7540fc8b0c49f096ee9c961cda096467dce8084bec6bdca2fc83895fd9b28cb8"
-"checksum rustc-rayon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d2e07e19601f21c59aad953c2632172ba70cb27e685771514ea66e4062b3363"
-"checksum rustc-rayon-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "79d38ca7cbc22fa59f09d8534ea4b27f67b0facf0cbe274433aceea227a02543"
+"checksum rustc-rayon 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f32767f90d938f1b7199a174ef249ae1924f6e5bbdb9d112fea141e016f25b3a"
+"checksum rustc-rayon-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ea2427831f0053ea3ea73559c8eabd893133a51b251d142bacee53c62a288cb3"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c92464b447c0ee8c4fb3824ecc8383b81717b9f1e74ba2e72540aef7b9f82997"
 "checksum scoped-tls 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
-"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
@@ -933,7 +930,7 @@ dependencies = [
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
 "checksum syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "66850e97125af79138385e9b88339cbcd037e3f28ceab8c5ad98e64f0f1f80bf"
-"checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
+"checksum synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3f085a5855930c0441ca1288cf044ea4aecf4f43a91668abdb870b4ba546a203"
 "checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
 "checksum term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9e5b9a66db815dcfd2da92db471106457082577c3c278d4138ab3e3b4e189327"
 "checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
diff --git a/Cargo.toml b/Cargo.toml
index 4cffaa1f..67489c16 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ path = "metadata"
 
 [dependencies.syntax]
 package = "rustc-ap-syntax"
-version = "606.0.0"
+version = "610.0.0"
 
 [dev-dependencies.racer-testutils]
 version = "0.1"