diff --git a/Cargo.lock b/Cargo.lock
index c717a8f1a9d..7491c171266 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -565,14 +565,14 @@ dependencies = [
  "cargo_metadata 0.12.0",
  "clippy-mini-macro-test",
  "clippy_lints",
- "compiletest_rs",
+ "compiletest_rs 0.6.0",
  "derive-new",
  "rustc-workspace-hack",
  "rustc_tools_util 0.2.0",
  "semver 0.11.0",
  "serde",
  "tempfile",
- "tester",
+ "tester 0.9.0",
 ]
 
 [[package]]
@@ -584,6 +584,7 @@ name = "clippy_lints"
 version = "0.1.52"
 dependencies = [
  "cargo_metadata 0.12.0",
+ "clippy_utils",
  "if_chain",
  "itertools 0.9.0",
  "pulldown-cmark 0.8.0",
@@ -600,6 +601,20 @@ dependencies = [
  "url 2.1.1",
 ]
 
+[[package]]
+name = "clippy_utils"
+version = "0.1.52"
+dependencies = [
+ "if_chain",
+ "itertools 0.9.0",
+ "regex-syntax",
+ "rustc-semver",
+ "serde",
+ "smallvec 1.6.1",
+ "toml",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "cloudabi"
 version = "0.1.0"
@@ -695,7 +710,30 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "tempfile",
- "tester",
+ "tester 0.7.0",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "compiletest_rs"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0086d6ad78cf409c3061618cd98e2789d5c9ce598fc9651611cf62eae0a599cb"
+dependencies = [
+ "diff",
+ "filetime",
+ "getopts",
+ "lazy_static",
+ "libc",
+ "log",
+ "miow 0.3.6",
+ "regex",
+ "rustfix",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tempfile",
+ "tester 0.9.0",
  "winapi 0.3.9",
 ]
 
@@ -984,6 +1022,16 @@ dependencies = [
  "dirs-sys",
 ]
 
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "dirs-sys-next",
+]
+
 [[package]]
 name = "dirs-sys"
 version = "0.3.5"
@@ -991,7 +1039,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e93d7f5705de3e49895a2b5e0b8855a1c27f080192ae9c32a6432d50741a57a"
 dependencies = [
  "libc",
- "redox_users",
+ "redox_users 0.3.4",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users 0.4.0",
  "winapi 0.3.9",
 ]
 
@@ -1115,7 +1174,7 @@ checksum = "3ed85775dcc68644b5c950ac06a2b23768d3bc9390464151aaf27136998dcf9e"
 dependencies = [
  "cfg-if 0.1.10",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "winapi 0.3.9",
 ]
 
@@ -2226,7 +2285,7 @@ name = "miri"
 version = "0.1.0"
 dependencies = [
  "colored",
- "compiletest_rs",
+ "compiletest_rs 0.5.0",
  "env_logger 0.7.1",
  "getrandom 0.2.0",
  "hex 0.4.2",
@@ -2458,7 +2517,7 @@ dependencies = [
  "cloudabi",
  "instant",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "smallvec 1.6.1",
  "winapi 0.3.9",
 ]
@@ -2899,6 +2958,15 @@ version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94341e4e44e24f6b591b59e47a8a027df12e008d73fd5672dbea9cc22f4507d9"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "redox_users"
 version = "0.3.4"
@@ -2906,10 +2974,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09b23093265f8d200fa7b4c2c76297f47e681c655f6f1285a8780d6a022f7431"
 dependencies = [
  "getrandom 0.1.14",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "rust-argon2",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
+dependencies = [
+ "getrandom 0.2.0",
+ "redox_syscall 0.2.5",
+]
+
 [[package]]
 name = "regex"
 version = "1.4.3"
@@ -4535,6 +4613,12 @@ dependencies = [
  "unicode_categories",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb5d2a036dc6d2d8fd16fde3498b04306e29bd193bf306a57427019b823d5acd"
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -4812,7 +4896,7 @@ checksum = "7fd8b795c389288baa5f355489c65e71fd48a02104600d15c4cfbc561e9e429d"
 dependencies = [
  "cfg-if 0.1.10",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "winapi 0.3.9",
 ]
 
@@ -4973,7 +5057,7 @@ checksum = "c8a4c1d0bee3230179544336c15eefb563cf0302955d962e456542323e8c2e8a"
 dependencies = [
  "filetime",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "xattr",
 ]
 
@@ -4986,7 +5070,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "libc",
  "rand",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
@@ -5020,6 +5104,17 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "term"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
+dependencies = [
+ "dirs-next",
+ "rustversion",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.0"
@@ -5065,6 +5160,19 @@ dependencies = [
  "term 0.6.1",
 ]
 
+[[package]]
+name = "tester"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0639d10d8f4615f223a57275cf40f9bdb7cfbb806bcb7f7cc56e3beb55a576eb"
+dependencies = [
+ "cfg-if 1.0.0",
+ "getopts",
+ "libc",
+ "num_cpus",
+ "term 0.7.0",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.11.0"