Update cargo
This also updates `opener` used in bootstrap (to try to keep dependencies unified).
18 commits in 44456677b5d1d82fe981c955dc5c67734b31f340..9233aa06c801801cff75df65df718d70905a235e
2021-06-12 18:00:01 +0000 to 2021-06-22 21:32:55 +0000
- Detect incorrectly named cargo.toml (rust-lang/cargo#9607)
- Unify weak and namespaced features. (rust-lang/cargo#9574)
- Change `rustc-cdylib-link-arg` error to a warning. (rust-lang/cargo#9563)
- Updates to future-incompatible reporting. (rust-lang/cargo#9606)
- Add a compatibility notice for diesel and the new resolver. (rust-lang/cargo#9602)
- Don't allow config env to modify vars set by cargo (rust-lang/cargo#9579)
- Disambiguate is_symlink. (rust-lang/cargo#9604)
- Update opener requirement from 0.4 to 0.5 (rust-lang/cargo#9583)
- Avoid quadratic complexity when splitting output into lines (rust-lang/cargo#9586)
- Bump to 0.56.0, update changelog (rust-lang/cargo#9597)
- Fix dep-info files including non-local build script paths. (rust-lang/cargo#9596)
- Relax doc collision error. (rust-lang/cargo#9595)
- Handle "jobs = 0" case in cargo config files (rust-lang/cargo#9584)
- Enhancements to testsuite error output. (rust-lang/cargo#9589)
- Fix typo (rust-lang/cargo#9590)
- Enable support for fix --edition for 2021. (rust-lang/cargo#9588)
- Add more details for installing git repository errors (rust-lang/cargo#9582)
- More information for links conflicting (rust-lang/cargo#9568)
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