Update cargo

[ehuss]

11 commits in 9d1a4863abd9237dbf9d1b74c78632b6a205f6bb..12db56cdedbc2c26a9aa18f994c0188cdcc67df5
2020-10-05 18:29:52 +0000 to 2020-10-14 23:07:45 +0000

• Reinstate CARGO_PRIMARY_PACKAGE (take 2) (Reinstate CARGO_PRIMARY_PACKAGE (take 2) cargo#8758)
• Add actionable help message for --features (Add actionable help message for --features cargo#8773)
• Fix panic in cargo doc with -Zfeatures=itarget (Fix panic in cargo doc with -Zfeatures=itarget cargo#8777)
• Update git2. (Update git2. cargo#8778)
• Document RUSTFMT environment variable (Document RUSTFMT environment variable cargo#8767)
• Update crossbeam-utils requirement from 0.7 to 0.8 (Update crossbeam-utils requirement from 0.7 to 0.8 cargo#8769)
• Update toml dependency (Update toml dependency cargo#8772)
• Mark proc-macro crates (Mark proc-macro crates cargo#8765)
• cargo-tree: mention special target all in CLI help text (cargo-tree: mention special target all in CLI help text cargo#8766)
• Bump to 0.50.0, update changelog (Bump to 0.50.0, update changelog cargo#8764)
• Update deprecated GitHub add-path in workflows. (Update deprecated GitHub add-path in workflows. cargo#8760)

[rust-highfive]

⚠️ Warning ⚠️

• These commits modify submodules.

[ehuss]

@bors r+

[bors]

📌 Commit 0c00664fcdd16f82566dd45135542329cbafb9fc has been approved by ehuss

[ehuss]

@bors r+

[bors]

📌 Commit 71bf7cf has been approved by ehuss

[bors]

⌛ Testing commit 71bf7cf with merge 7f58716...

[bors]

☀️ Test successful - checks-actions, checks-azure
Approved by: ehuss
Pushing 7f58716 to master...