Update cargo

[ehuss]

8 commits in 51b66125ba97d2906f461b3f4e0408f206299bb6..126907a7cfccbe93778530e6a6bbaa3adb6c515c
2020-08-19 20:22:52 +0000 to 2020-08-31 20:42:11 +0000

• Fix flakiness in close_output test (Fix flakiness in close_output test cargo#8668)
• Reload unstable table from config file in reload_rooted_at (Reload unstable table from config file in reload_rooted_at cargo#8656)
• Bump to 0.49.0, update changelog (Bump to 0.49.0, update changelog cargo#8659)
• Fix LTO with doctests. (Fix LTO with doctests. cargo#8657)
• Add spaces after -C and -Z flags for consistency (Add spaces after -C and -Z flags for consistency cargo#8648)
• Fix cache_messages::rustdoc test broken on beta. (Fix cache_messages::rustdoc test broken on beta. cargo#8653)
• fix: remove unnecessary allocations (fix: remove unnecessary allocations cargo#8641)
• Fixed a spelling and some clippy warnings (Fixed a spelling and some clippy warnings cargo#8637)

[rust-highfive]

⚠️ Warning ⚠️

• These commits modify submodules.

[ehuss]

@bors r+

[bors]

📌 Commit 7805410246e9104beca8ea9198c02c392da04455 has been approved by ehuss

[ehuss]

@bors r-

[ehuss]

@bors r+ p=2
Fixes a test that has been failing occasionally in CI.

[bors]

📌 Commit 103c497 has been approved by ehuss

[bors]

⌛ Testing commit 103c497 with merge d927e5a...

[bors]

☀️ Test successful - checks-actions, checks-azure
Approved by: ehuss
Pushing d927e5a to master...