diff --git a/Cargo.lock b/Cargo.lock
index 35ea3e0f5ef..c2729b4bead 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -170,7 +170,7 @@ dependencies = [
  "git2-curl 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "home 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "home 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ignore 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "im-rc 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -251,14 +251,14 @@ dependencies = [
 [[package]]
 name = "clippy_lints"
 version = "0.0.212"
-source = "git+https://github.com/rust-lang/rust-clippy?rev=72da1015d6d918fe1b29170acbf486d30e0c2695#72da1015d6d918fe1b29170acbf486d30e0c2695"
+source = "git+https://github.com/rust-lang/rust-clippy?rev=68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b#68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b"
 dependencies = [
  "cargo_metadata 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "if_chain 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "pulldown-cmark 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pulldown-cmark 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "quine-mc_cluskey 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -266,7 +266,7 @@ dependencies = [
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -740,7 +740,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "home"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -755,16 +755,6 @@ dependencies = [
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "idna"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "idna"
 version = "0.2.0"
@@ -864,7 +854,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-pubsub 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-server-utils 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -876,7 +866,7 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-core"
-version = "13.0.0"
+version = "13.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -910,7 +900,7 @@ name = "jsonrpc-ipc-server"
 version = "13.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-server-utils 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-tokio-ipc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -923,7 +913,7 @@ name = "jsonrpc-pubsub"
 version = "13.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 13.2.0 (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)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -936,13 +926,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "globset 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1296,11 +1286,6 @@ dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "percent-encoding"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -1352,13 +1337,13 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1612,16 +1597,16 @@ version = "1.39.0"
 dependencies = [
  "cargo 0.41.0 (git+https://github.com/rust-lang/cargo?rev=8b0561d68f12eeb1d72e07ceef464ebf6032a1bc)",
  "cargo_metadata 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "clippy_lints 0.0.212 (git+https://github.com/rust-lang/rust-clippy?rev=72da1015d6d918fe1b29170acbf486d30e0c2695)",
+ "clippy_lints 0.0.212 (git+https://github.com/rust-lang/rust-clippy?rev=68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b)",
  "crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "home 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "home 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "lsp-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1629,7 +1614,7 @@ dependencies = [
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ordslice 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "racer 2.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rls-analysis 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1638,7 +1623,6 @@ dependencies = [
  "rls-rustc 0.6.0",
  "rls-span 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rls-vfs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-workspace-hack 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_tools_util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustfmt-nightly 1.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1684,7 +1668,7 @@ dependencies = [
 name = "rls-ipc"
 version = "0.1.0"
 dependencies = [
- "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-derive 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-ipc-server 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1696,12 +1680,12 @@ dependencies = [
 name = "rls-rustc"
 version = "0.6.0"
 dependencies = [
- "clippy_lints 0.0.212 (git+https://github.com/rust-lang/rust-clippy?rev=72da1015d6d918fe1b29170acbf486d30e0c2695)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy_lints 0.0.212 (git+https://github.com/rust-lang/rust-clippy?rev=68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b)",
+ "env_logger 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rls-data 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rls-ipc 0.1.0",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1907,11 +1891,6 @@ dependencies = [
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rustc-serialize"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "rustc-workspace-hack"
 version = "1.0.0"
@@ -2507,7 +2486,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "unicase"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2554,16 +2533,6 @@ name = "unicode_categories"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "url"
-version = "1.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "url"
 version = "2.1.0"
@@ -2700,7 +2669,7 @@ dependencies = [
 "checksum cc 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)" = "b548a4ee81fccb95919d4e22cfea83c7693ebfd78f0495493178db20b3139da7"
 "checksum cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
 "checksum clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
-"checksum clippy_lints 0.0.212 (git+https://github.com/rust-lang/rust-clippy?rev=72da1015d6d918fe1b29170acbf486d30e0c2695)" = "<none>"
+"checksum clippy_lints 0.0.212 (git+https://github.com/rust-lang/rust-clippy?rev=68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b)" = "<none>"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum commoncrypto 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d056a8586ba25a1e4d61cb090900e495952c7886786fc55f909ab2f819b69007"
 "checksum commoncrypto-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1fed34f46747aa73dfaa578069fd8279d2818ade2b55f38f22a9401c7f4083e2"
@@ -2754,9 +2723,8 @@ dependencies = [
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
 "checksum hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "023b39be39e3a2da62a94feb433e91e8bcd37676fbc8bea371daf52b7a769a3e"
-"checksum home 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c07c315e106bd6f83f026a20ddaeef2706782e490db1dcdd37caad38a0e895b3"
+"checksum home 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a3753954f7bd71f0e671afb8b5a992d1724cf43b7f95a563cd4a0bde94659ca8"
 "checksum humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
-"checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
 "checksum if_chain 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c3360c7b59e5ffa2653671fb74b4741a5d343c03f331c0a4aeda42b5c2b0ec7d"
 "checksum ignore 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0ec16832258409d571aaef8273f3c3cc5b060d784e159d1a0f3b0017308f84a7"
@@ -2769,7 +2737,7 @@ dependencies = [
 "checksum jobserver 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "f74e73053eaf95399bf926e48fc7a2a3ce50bd0eaaa2357d391e95b2dcdd4f10"
 "checksum json 0.11.15 (registry+https://github.com/rust-lang/crates.io-index)" = "92c245af8786f6ac35f95ca14feca9119e71339aaab41e878e7cdd655c97e9e5"
 "checksum jsonrpc-client-transports 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0bb6fd4acf48d1f17eb7b0e27ab7043c16f063ad0aa7020ec92a431648286c2f"
-"checksum jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "34d379861584fe4e3678f6ae9ee60b41726df2989578c1dc0f90190dfc92dbe0"
+"checksum jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "91d767c183a7e58618a609499d359ce3820700b3ebb4823a18c343b4a2a41a0d"
 "checksum jsonrpc-core-client 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d6b0a3dc76953d88cdb47f5fe4ae21abcabc8d7edf4951ebce42db5c722d6698"
 "checksum jsonrpc-derive 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9e2d4475549bc0126690788ed5107573c8917f97db5298f0043fb73d46fc498"
 "checksum jsonrpc-ipc-server 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f8ec122d46ed08c2ccb42a9fe83b921a7be4f94902631684a4ea763a9059b861"
@@ -2813,7 +2781,6 @@ dependencies = [
 "checksum parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
 "checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
 "checksum parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
-"checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 "checksum pkg-config 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c1d2cfa5a714db3b5f24f0915e74fcdf91d09d496ba61329705dda7774d2af"
 "checksum ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e3cbf9f658cdb5000fcf6f362b8ea2ba154b9f146a61c7a20d647034c6b6561b"
@@ -2821,7 +2788,7 @@ dependencies = [
 "checksum proc-macro-error 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "aeccfe4d5d8ea175d5f0e4a2ad0637e0f4121d63bd99d356fb1f39ab2e7c6097"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
 "checksum proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4c5c2380ae88876faae57698be9e9775e3544decad214599c3a6266cca6ac802"
-"checksum pulldown-cmark 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "77043da1282374688ee212dc44b3f37ff929431de9c9adc3053bd3cee5630357"
+"checksum pulldown-cmark 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85b0ad0d4c1702965ee6bb5b4ff5e71f83850b497d497e9444302987bf9e26a4"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
 "checksum quine-mc_cluskey 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "07589615d719a60c8dd8a4622e7946465dfef20d1a428f969e3443e7386d5f45"
 "checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
@@ -2869,7 +2836,6 @@ dependencies = [
 "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-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum rustc-workspace-hack 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc71d2faa173b74b232dedc235e3ee1696581bb132fc116fa3626d6151a1a8fb"
 "checksum rustc_tools_util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b725dadae9fabc488df69a287f5a99c5eaf5d10853842a8a3dfac52476f544ee"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
@@ -2930,7 +2896,7 @@ dependencies = [
 "checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
 "checksum toml 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c7aabe75941d914b72bf3e5d3932ed92ce0664d49d8432305a8b547c37227724"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
-"checksum unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a84e5511b2a947f3ae965dcb29b13b7b1691b6e7332cf5dbc1744138d5acb7f6"
+"checksum unicase 2.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2e2e6bd1e59e56598518beb94fd6db628ded570326f0a98c679a304bd9f00150"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-segmentation 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1967f4cdfc355b37fd76d2a954fb2ed3871034eb4f26d60537d88795cfc332a9"
@@ -2938,7 +2904,6 @@ dependencies = [
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 "checksum unicode_categories 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
-"checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
 "checksum url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "75b414f6c464c879d7f9babf951f23bc3743fb7313c081b2e6ca719067ea9d61"
 "checksum utf8parse 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8772a4ccbb4e89959023bc5b7cb8623a795caa7092d99f3aa9501b9484d4557d"
 "checksum vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "33dd455d0f96e90a75803cfeb7f948768c08d70a6de9a8d2362461935698bf95"
diff --git a/Cargo.toml b/Cargo.toml
index 4544d4b20c9..d5a6b3518b0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,23 +31,22 @@ rls-ipc = { version = "0.1.0", path = "rls-ipc", optional = true }
 
 cargo = { git = "https://github.com/rust-lang/cargo", rev = "8b0561d68f12eeb1d72e07ceef464ebf6032a1bc" }
 cargo_metadata = "0.8"
-clippy_lints = { git = "https://github.com/rust-lang/rust-clippy", rev = "72da1015d6d918fe1b29170acbf486d30e0c2695", optional = true }
-env_logger = "0.6"
+clippy_lints = { git = "https://github.com/rust-lang/rust-clippy", rev = "68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b", optional = true }
+env_logger = "0.7"
 failure = "0.1.1"
 futures = { version = "0.1", optional = true }
-home = "0.5"
+home = "0.5.1"
 itertools = "0.8"
-jsonrpc-core = "13"
+jsonrpc-core = "13.2"
 lsp-types = { version = "0.60", features = ["proposed"] }
 lazy_static = "1"
 log = "0.4"
 num_cpus = "1"
 racer = { version = "2.1.28", default-features = false }
-rand = "0.6"
+rand = "0.7"
 rayon = "1"
 rustc_tools_util = "0.2"
-rustfmt-nightly = "1.4.9"
-rustc-serialize = "0.3"
+rustfmt-nightly = "1.4.8"
 serde = "1.0"
 serde_json = "1.0"
 serde_derive = "1.0"
diff --git a/rls-analysis/Cargo.toml b/rls-analysis/Cargo.toml
index f5150f7bdcd..3dac04fa934 100644
--- a/rls-analysis/Cargo.toml
+++ b/rls-analysis/Cargo.toml
@@ -23,10 +23,10 @@ rls-span = "0.5.2"
 derive-new = "0.5"
 fst = { version = "0.3", default-features = false }
 itertools = "0.8"
-json = "0.11.13"
+json = "0.12"
 serde = "1.0"
 serde_json = "1.0"
 
 [dev-dependencies]
 lazy_static = "1"
-env_logger = "0.5"
+env_logger = "0.7"
diff --git a/rls-rustc/Cargo.toml b/rls-rustc/Cargo.toml
index 2633c7f5ada..abec1b42105 100644
--- a/rls-rustc/Cargo.toml
+++ b/rls-rustc/Cargo.toml
@@ -9,11 +9,11 @@ repository = "https://github.com/rust-lang/rls"
 categories = ["development-tools"]
 
 [dependencies]
-env_logger = "0.6"
+env_logger = "0.7"
 log = "0.4"
 failure = "0.1"
-rand = "0.6"
-clippy_lints = { git = "https://github.com/rust-lang/rust-clippy", rev = "72da1015d6d918fe1b29170acbf486d30e0c2695", optional = true }
+rand = "0.7"
+clippy_lints = { git = "https://github.com/rust-lang/rust-clippy", rev = "68ff8b19bc6705724d1e77a8dc17ffb8dfbbe26b", optional = true }
 tokio = { version = "0.1", optional = true }
 futures = { version = "0.1", optional = true }
 serde = { version = "1", features = ["derive"], optional = true }