Update cargo

[ehuss]

9 commits in 9233aa06c801801cff75df65df718d70905a235e..4952979031e2cf1d901c817a32e25a156a19db4c
2021-06-22 21:32:55 +0000 to 2021-07-01 01:14:50 +0000

• Fix BorrowMutError when calling cargo doc --open (Fix BorrowMutError when calling cargo doc --open cargo#9531)
• Exclude target from content-indexing on Windows (Exclude target from content-indexing on Windows cargo#9635)
• Temporarily ignore 2021 edition fix. (Temporarily ignore 2021 edition fix. cargo#9642)
• Temporarily disable future_incompat tests. (Temporarily disable future_incompat tests. cargo#9638)
• Include toolchain specification in error message (Include toolchain specification in error message cargo#9625)
• Error when packaging with git dependencies without version (Error when packaging with git dependencies without version cargo#9612)
• simply 'if' block (simply 'if' block cargo#9615)
• tidy some closures and iterators (tidy some closures and iterators cargo#9614)
• use 'writeln' instead of appending newline character (use 'writeln' instead of appending newline character cargo#9620)

[rust-highfive]

⚠️ Warning ⚠️

• These commits modify submodules.

[ehuss]

@bors r+

[bors]

📌 Commit 60608e5 has been approved by ehuss

[bors]

⌛ Testing commit 60608e5 with merge 64de497...

[bors]

☀️ Test successful - checks-actions
Approved by: ehuss
Pushing 64de497 to master...