submodules: update clippy from be5d17fe to 868f168c

[matthiaskrgr]

Changes:

rustup https://github.com/rust-lang/rust/pull/61836/
fix suggestion for floating points inequality

r? @oli-obk

[rust-highfive]

⚠️ Warning ⚠️

• These commits modify submodules.

[oli-obk]

@bors r+ p=1

[bors]

📌 Commit 6a084dc has been approved by oli-obk

[bors]

⌛ Testing commit 6a084dc with merge b684d0bef5f9e257a0805f5e56e16e430a08f2b4...

[bors]

💔 Test failed - checks-travis

[rust-highfive]

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.

Attempting to download https://rust-lang-ci-sccache2.s3.amazonaws.com/docker/83dc824a5eb6e2aa0217ee008c745c679a4f8724fc13d6e7360bbade7041781ccbc2d4cabd46200feb734d7821c9036eee8614ef0fcc11ac565e7275965274c1
[00:02:18] Attempting with retry: curl -y 30 -Y 10 --connect-timeout 30 -f -L -C - -o /tmp/rustci_docker_cache https://rust-lang-ci-sccache2.s3.amazonaws.com/docker/83dc824a5eb6e2aa0217ee008c745c679a4f8724fc13d6e7360bbade7041781ccbc2d4cabd46200feb734d7821c9036eee8614ef0fcc11ac565e7275965274c1
[00:02:18]   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
[00:02:18]                                  Dload  Upload   Total   Spent    Left  Speed
No output has been received in the last 30m0s, this potentially indicates a stalled build or something wrong with the build itself.
Check the details on how to adjust your build configuration on: https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received
The build has been terminated

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)

[ljedrz]

@bors retry

[bors]

⌛ Testing commit 6a084dc with merge 673cf7d...

[bors]

☀️ Test successful - checks-travis, status-appveyor
Approved by: oli-obk
Pushing 673cf7d to master...

[rust-highfive]

📣 Toolstate changed by #61932!

Tested on commit 673cf7d.
Direct link to PR: #61932

🎉 clippy-driver on windows: build-fail → test-pass (cc @Manishearth @llogiq @mcarton @oli-obk @phansch, @rust-lang/infra).
🎉 clippy-driver on linux: build-fail → test-pass (cc @Manishearth @llogiq @mcarton @oli-obk @phansch, @rust-lang/infra).
💔 rls on linux: test-pass → test-fail (cc @Xanewok, @rust-lang/infra).