diff --git a/Cargo.lock b/Cargo.lock
index 490f32e4e..68fd67460 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,23 +1,18 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "adler32"
-version = "1.0.3"
+name = "adler"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.6"
+version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "antidote"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "anyhow"
 version = "1.0.31"
@@ -25,7 +20,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "arc-swap"
-version = "0.3.11"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -40,7 +35,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "autocfg"
-version = "0.1.7"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -50,12 +45,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "base64"
-version = "0.12.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bitflags"
-version = "1.1.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -68,35 +63,37 @@ dependencies = [
  "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "cc"
-version = "1.0.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "cfg-if"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "chrono"
-version = "0.4.7"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "clap"
-version = "2.33.0"
+version = "2.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -109,7 +106,7 @@ name = "crc32fast"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -117,60 +114,65 @@ name = "crossbeam"
 version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-queue 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.0"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.7.0 (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 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
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-version = "0.8.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (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 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-queue"
-version = "0.2.0"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.7.0 (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 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -178,14 +180,14 @@ name = "derivative"
 version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "diff"
-version = "0.1.11"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -193,7 +195,7 @@ name = "dirs"
 version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "dirs-sys 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -202,45 +204,46 @@ name = "dirs-sys"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "dtoa"
-version = "0.4.4"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "either"
-version = "1.5.2"
+version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "filetime"
-version = "0.2.5"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "flate2"
-version = "1.0.11"
+version = "1.0.16"
 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)",
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz-sys 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "fnv"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -248,7 +251,7 @@ name = "fsevent"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fsevent-sys 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -257,7 +260,7 @@ name = "fsevent-sys"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -265,7 +268,7 @@ name = "fuchsia-zircon"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -276,7 +279,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures"
-version = "0.1.28"
+version = "0.1.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -284,8 +287,8 @@ name = "getrandom"
 version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -296,10 +299,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "humantime"
-version = "1.2.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -309,17 +312,17 @@ 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)",
+ "unicode-normalization 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "inotify"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "inotify-sys 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -327,29 +330,28 @@ name = "inotify-sys"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "itertools"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "itoa"
-version = "0.4.4"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -357,21 +359,21 @@ name = "json-patch"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "treediff 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-core"
-version = "12.0.0"
+version = "12.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -388,32 +390,32 @@ name = "languageclient"
 version = "0.1.158"
 dependencies = [
  "anyhow 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "derivative 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "diff 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diff 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "json-patch 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 12.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "log4rs 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "lsp-types 0.74.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "maplit 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "notify 4.0.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "pathdiff 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 12.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log4rs 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lsp-types 0.78.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maplit 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "notify 4.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pathdiff 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "shellexpand 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "thiserror 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thiserror 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "lazy_static"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -423,21 +425,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "linked-hash-map"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lock_api"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "log"
-version = "0.4.8"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -447,44 +457,44 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "log4rs"
-version = "0.8.3"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "arc-swap 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "log-mdc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde-value 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_yaml 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde-value 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_yaml 0.8.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-id 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "lsp-types"
-version = "0.74.2"
+version = "0.78.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "base64 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_repr 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "maplit"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -493,60 +503,57 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "memchr"
-version = "2.2.1"
+name = "maybe-uninit"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "memoffset"
-version = "0.5.3"
+name = "memchr"
+version = "2.3.3"
 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 = "miniz-sys"
-version = "0.1.12"
+name = "memoffset"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "adler 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.19"
+version = "0.6.22"
 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)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "mio-extras"
-version = "2.0.5"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -556,67 +563,88 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "net2"
-version = "0.2.33"
+version = "0.2.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "notify"
-version = "4.0.12"
+version = "4.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "filetime 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "filetime 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "fsevent 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fsevent-sys 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "inotify 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inotify 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio-extras 2.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.41"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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- "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.8"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ordered-float"
-version = "1.0.2"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lock_api 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.7.2"
+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)",
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "pathdiff"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -626,28 +654,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.1"
+version = "1.0.19"
 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)",
+ "unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "quick-error"
-version = "1.2.2"
+version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "quote"
-version = "1.0.2"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -656,24 +684,24 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-argon2 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex"
-version = "1.2.1"
+version = "1.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.7.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.11"
+version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -684,104 +712,83 @@ dependencies = [
  "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2b_simd 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.0"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "same-file"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "scopeguard"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "semver"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.99"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde-value"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ordered-float 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.99"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -799,17 +806,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
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diff --git a/Cargo.toml b/Cargo.toml
index bf50a91a1..5106a6f42 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ pre-release-hook = ["cargo", "build"]
 tag-name = "{{version}}"
 
 [dependencies]
-itertools = "0.8"
+itertools = "0.9"
 log = "0.4"
 log4rs = "0"
 clap = { version = "2", default-features = false }
@@ -28,7 +28,7 @@ serde_json = "1"
 json-patch = "0.2"
 crossbeam = "0.7.3"
 jsonrpc-core = "12"
-lsp-types = { version = "0.74.2", features = ["proposed"] }
+lsp-types = { version = "0.78", features = ["proposed"] }
 url = "2"
 pathdiff = "0"
 diff = "0"
diff --git a/src/language_server_protocol.rs b/src/language_server_protocol.rs
index 24732189c..f738042d3 100644
--- a/src/language_server_protocol.rs
+++ b/src/language_server_protocol.rs
@@ -18,28 +18,28 @@ use log::{debug, error, info, warn};
 use lsp_types::notification::Notification;
 use lsp_types::request::Request;
 use lsp_types::{
-    code_action_kind, ApplyWorkspaceEditParams, ApplyWorkspaceEditResponse, ClientCapabilities,
-    ClientInfo, CodeAction, CodeActionCapability, CodeActionContext, CodeActionKindLiteralSupport,
-    CodeActionLiteralSupport, CodeActionOrCommand, CodeActionParams, CodeActionResponse, CodeLens,
-    Command, CompletionCapability, CompletionItem, CompletionItemCapability, CompletionResponse,
-    CompletionTextEdit, Diagnostic, DiagnosticSeverity, DidChangeConfigurationParams,
-    DidChangeTextDocumentParams, DidChangeWatchedFilesParams,
-    DidChangeWatchedFilesRegistrationOptions, DidCloseTextDocumentParams,
-    DidOpenTextDocumentParams, DidSaveTextDocumentParams, DocumentChangeOperation, DocumentChanges,
-    DocumentFormattingParams, DocumentHighlight, DocumentHighlightKind,
-    DocumentRangeFormattingParams, DocumentSymbolParams, ExecuteCommandParams, FormattingOptions,
-    GenericCapability, GotoCapability, GotoDefinitionResponse, Hover, HoverCapability,
-    InitializeParams, InitializeResult, InitializedParams, Location, LogMessageParams, MarkupKind,
-    MessageType, NumberOrString, ParameterInformation, ParameterInformationSettings,
-    PartialResultParams, Position, ProgressParams, ProgressParamsValue,
-    PublishDiagnosticsCapability, PublishDiagnosticsParams, Range, ReferenceContext,
-    RegistrationParams, RenameParams, ResourceOp, SemanticHighlightingClientCapability,
-    SemanticHighlightingParams, ShowMessageParams, ShowMessageRequestParams, SignatureHelp,
-    SignatureHelpCapability, SignatureInformationSettings, SymbolInformation,
-    TextDocumentClientCapabilities, TextDocumentContentChangeEvent, TextDocumentIdentifier,
-    TextDocumentItem, TextDocumentPositionParams, TextEdit, TraceOption, UnregistrationParams,
-    VersionedTextDocumentIdentifier, WorkDoneProgress, WorkDoneProgressParams,
-    WorkspaceClientCapabilities, WorkspaceEdit, WorkspaceSymbolParams,
+    ApplyWorkspaceEditParams, ApplyWorkspaceEditResponse, ClientCapabilities, ClientInfo,
+    CodeAction, CodeActionCapability, CodeActionContext, CodeActionKind,
+    CodeActionKindLiteralSupport, CodeActionLiteralSupport, CodeActionOrCommand, CodeActionParams,
+    CodeActionResponse, CodeLens, Command, CompletionCapability, CompletionItem,
+    CompletionItemCapability, CompletionResponse, CompletionTextEdit, Diagnostic,
+    DiagnosticSeverity, DidChangeConfigurationParams, DidChangeTextDocumentParams,
+    DidChangeWatchedFilesParams, DidChangeWatchedFilesRegistrationOptions,
+    DidCloseTextDocumentParams, DidOpenTextDocumentParams, DidSaveTextDocumentParams,
+    DocumentChangeOperation, DocumentChanges, DocumentFormattingParams, DocumentHighlight,
+    DocumentHighlightKind, DocumentRangeFormattingParams, DocumentSymbolParams,
+    ExecuteCommandParams, FormattingOptions, GenericCapability, GotoCapability,
+    GotoDefinitionResponse, Hover, HoverCapability, InitializeParams, InitializeResult,
+    InitializedParams, Location, LogMessageParams, MarkupKind, MessageType, NumberOrString,
+    ParameterInformation, ParameterInformationSettings, PartialResultParams, Position,
+    ProgressParams, ProgressParamsValue, PublishDiagnosticsCapability, PublishDiagnosticsParams,
+    Range, ReferenceContext, RegistrationParams, RenameParams, ResourceOp,
+    SemanticHighlightingClientCapability, SemanticHighlightingParams, ShowMessageParams,
+    ShowMessageRequestParams, SignatureHelp, SignatureHelpCapability, SignatureInformationSettings,
+    SymbolInformation, TextDocumentClientCapabilities, TextDocumentContentChangeEvent,
+    TextDocumentIdentifier, TextDocumentItem, TextDocumentPositionParams, TextEdit, TraceOption,
+    UnregistrationParams, VersionedTextDocumentIdentifier, WorkDoneProgress,
+    WorkDoneProgressParams, WorkspaceClientCapabilities, WorkspaceEdit, WorkspaceSymbolParams,
 };
 use maplit::hashmap;
 use notify::Watcher;
@@ -1129,16 +1129,16 @@ impl LanguageClient {
                             code_action_literal_support: Some(CodeActionLiteralSupport {
                                 code_action_kind: CodeActionKindLiteralSupport {
                                     value_set: [
-                                        code_action_kind::QUICKFIX,
-                                        code_action_kind::REFACTOR,
-                                        code_action_kind::REFACTOR_EXTRACT,
-                                        code_action_kind::REFACTOR_INLINE,
-                                        code_action_kind::REFACTOR_REWRITE,
-                                        code_action_kind::SOURCE,
-                                        code_action_kind::SOURCE_ORGANIZE_IMPORTS,
+                                        CodeActionKind::QUICKFIX,
+                                        CodeActionKind::REFACTOR,
+                                        CodeActionKind::REFACTOR_EXTRACT,
+                                        CodeActionKind::REFACTOR_INLINE,
+                                        CodeActionKind::REFACTOR_REWRITE,
+                                        CodeActionKind::SOURCE,
+                                        CodeActionKind::SOURCE_ORGANIZE_IMPORTS,
                                     ]
                                     .iter()
-                                    .map(|x| x.to_string())
+                                    .map(|kind| kind.as_str().to_owned())
                                     .collect(),
                                 },
                             }),
@@ -1511,7 +1511,7 @@ impl LanguageClient {
             .map(|action_or_command| match action_or_command {
                 CodeActionOrCommand::Command(command) => CodeAction {
                     title: command.title.clone(),
-                    kind: Some(command.command.clone()),
+                    kind: Some(command.command.clone().into()),
                     diagnostics: None,
                     edit: None,
                     command: Some(command),
@@ -1996,7 +1996,7 @@ impl LanguageClient {
             .map(|cl| match &cl.command {
                 None => Err(anyhow!("no command, skipping")),
                 Some(cmd) => Ok(CodeAction {
-                    kind: Some(cmd.command.clone()),
+                    kind: Some(cmd.command.clone().into()),
                     title: cmd.title.clone(),
                     command: cl.clone().command,
                     diagnostics: None,
diff --git a/src/utils.rs b/src/utils.rs
index 45c919946..1d26478b1 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -469,7 +469,7 @@ pub fn convert_to_vim_str(s: &str) -> String {
 
 /// Converts the kind of a `CodeAction` to a `&str`.
 pub fn code_action_kind_as_str(action: &CodeAction) -> &str {
-    match action.kind.as_ref().map(String::as_ref) {
+    match action.kind.as_ref().map(|k| k.as_str()) {
         None | Some("") => "action",
         Some(kind) => kind,
     }