Patch clippy_lints to use the in-tree clippy as well.

[kennytm]

Should fix the most recent RLS build break.

[kennytm]

r? @nrc or @oli-obk

RLS is test-pass in https://travis-ci.org/rust-lang/rust/jobs/402940329 (raw log):

[01:32:50] {"rust-by-example":"test-pass","rls":"test-pass","book":"test-pass","miri":"build-fail","nomicon":"test-fail","clippy-driver":"test-pass","rustfmt":"test-pass","reference":"test-pass"}

[oli-obk]

Travis failure is just miri

@bors r+ p=1

[bors]

📌 Commit 6aab3d0 has been approved by oli-obk

[bors]

⌛ Testing commit 6aab3d0 with merge 68e97a904b53082c689c6a911058ce971d0193c5...

[bors]

💔 Test failed - status-travis

[rust-highfive]

The job x86_64-gnu-tools of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

  0     0    0     0    0     0      0      0 --:--:--  0:00:51 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:52 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:53 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:54 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:55 --:--:--     0curl: (6) Could not resolve host: s3-us-west-1.amazonaws.com
[01:09:07] thread 'main' panicked at 'failed to download openssl source: exit code: 6', bootstrap/native.rs:589:17
[01:09:07] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test --no-fail-fast src/doc/book src/doc/nomicon src/doc/reference src/doc/rust-by-example src/tools/rls src/tools/rustfmt src/tools/miri src/tools/clippy
[01:09:07] Build completed unsuccessfully in 1:06:37
[01:09:07] {"rustfmt":"test-pass","rls":"test-pass","reference":"test-pass","book":"test-pass","rust-by-example":"test-pass","nomicon":"test-fail","miri":"test-pass","clippy-driver":"test-fail"}
[01:09:07] Verifying status of book...
---
travis_time:end:19523df9:start=1531380505204666365,finish=1531380505210560956,duration=5894591
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:048c8304
$ head -30 ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
head: cannot open ‘./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers’ for reading: No such file or directory
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:0178de98
$ dmesg | grep -i kill

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[rust-highfive]

The job x86_64-gnu-tools of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

  0     0    0     0    0     0      0      0 --:--:--  0:00:51 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:52 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:53 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:54 --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:55 --:--:--     0curl: (6) Could not resolve host: s3-us-west-1.amazonaws.com
[01:09:07] thread 'main' panicked at 'failed to download openssl source: exit code: 6', bootstrap/native.rs:589:17
[01:09:07] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test --no-fail-fast src/doc/book src/doc/nomicon src/doc/reference src/doc/rust-by-example src/tools/rls src/tools/rustfmt src/tools/miri src/tools/clippy
[01:09:07] Build completed unsuccessfully in 1:06:37
[01:09:07] {"rustfmt":"test-pass","rls":"test-pass","reference":"test-pass","book":"test-pass","rust-by-example":"test-pass","nomicon":"test-fail","miri":"test-pass","clippy-driver":"test-fail"}
[01:09:07] Verifying status of book...
---
travis_time:end:19523df9:start=1531380505204666365,finish=1531380505210560956,duration=5894591
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:048c8304
$ head -30 ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
head: cannot open ‘./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers’ for reading: No such file or directory
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:0178de98
$ dmesg | grep -i kill

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[oli-obk]

@bors retry

network failure

[bors]

⌛ Testing commit 6aab3d0 with merge de857bb...

[bors]

☀️ Test successful - status-appveyor, status-travis
Approved by: oli-obk
Pushing de857bb to master...

[rust-highfive]

📣 Toolstate changed by #52282!

Tested on commit de857bb.
Direct link to PR: #52282

🎉 rls on windows: build-fail → test-pass.
🎉 rls on linux: build-fail → test-pass.