Crater runs for Rust 1.38.0

[emilyalbini]

cc @rust-lang/release

[emilyalbini]

@craterbot run name=beta-1.38-1 start=1.37.0 end=beta-2019-08-13 mode=build-and-test cap-lints=warn p=10

[craterbot]

👌 Experiment beta-1.38-1 created and queued.
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[emilyalbini]

@craterbot run name=beta-1.38-rustdoc-1 start=1.37.0 end=beta-2019-08-13 mode=rustdoc cap-lints=warn p=5

[craterbot]

👌 Experiment beta-1.38-rustdoc-1 created and queued.
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[craterbot]

🚧 Experiment beta-1.38-1 is now running on agent aws-1.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[Mark-Simulacrum]

@craterbot run name=beta-1.38-rustdoc-1 p=0

Downgrading rustdoc crater run priority as it usually doesn't catch anything too severe and we have a long Crater queue.

[craterbot]

🚨 Error: missing start toolchain

🆘 If you have any trouble with Crater please ping @rust-lang/infra!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[Mark-Simulacrum]

@craterbot name=beta-1.38-rustdoc-1 p=0

[craterbot]

📝 Configuration of the beta-1.38-rustdoc-1 experiment changed.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[craterbot]

🎉 Experiment beta-1.38-1 is completed!
📊 616 regressed and 26 fixed (70078 total)
📰 Open the full report.

⚠️ If you notice any spurious failure please add them to the blacklist!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[Centril]

cc @petrochenkov heads up, there are a bunch of macro / derive related regressions errors here, e.g.:

• https://crater-reports.s3.amazonaws.com/beta-1.38-1/beta-2019-08-13/reg/tarrasque-0.10.0/log.txt
• https://crater-reports.s3.amazonaws.com/beta-1.38-1/beta-2019-08-13/reg/rustiful-0.1.0/log.txt
• https://crater-reports.s3.amazonaws.com/beta-1.38-1/beta-2019-08-13/reg/ruroonga_command-0.3.4/log.txt

[petrochenkov]

there are a bunch of macro / derive related regressions errors

Yeah, there were a lot of changes in this area.

Here are all the errors:

// These ones interest me (UPD: All are triaged below).
742 use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
 62 proc-macro derive panicked
 36 failed to resolve: could not find `rustc_serialize` in `{{root}}`
 18 cannot find macro `trace!` in this scope
 12 lifetime name `'s` declared twice in the same scope
 10 cannot find macro `flatdata_intersperse!` in this scope
  5 attributes starting with `rustc` are reserved for use by the `rustc` compiler
  2 lifetime name `'input` declared twice in the same scope
  2 custom attribute panicked
  2 cannot determine resolution for the derive macro `Debug`
  1 proc macro panicked
  1 failed to resolve: use of undeclared type or module `SliceConcatExt`
  1 expected open delimiter
  1 expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `is`
  1 expected module, found unresolved item `crate::mod`

// These ones do not interest me.
191 cannot use `state` because it was mutably borrowed
 94 cannot assign to `self.input.cached_token` because it is borrowed
 38 cannot borrow `v` as immutable because it is also borrowed as mutable
  4 cannot move out of `_` because it is borrowed
  2 cannot borrow `*value` as immutable because it is also borrowed as mutable
  2 cannot borrow `*self` as mutable more than once at a time
  2 `types::log_level_type::LogLevelType` doesn't implement `std::fmt::Debug`
  1 use of moved value: `matches`
  1 type annotations required: cannot resolve `std::boxed::Box<std::iter::Map<std::collections::hash_map::Iter<'_, &T, std::collections::HashSet<&U>>, [closure@src/weighted_rendezvous.rs:490:40: 493:10]>>: std::iter::Iterator`
  1 type annotations required: cannot resolve `std::boxed::Box<std::iter::Map<std::collections::hash_map::Iter<'_, &T, std::collections::HashSet<&U>>, [closure@src/weighted_rendezvous.rs:483:40: 486:10]>>: std::iter::Iterator`
  1 conflicting implementations of trait `std::convert::From<main::LogarithmicKnob>` for type `main::Knob`:
  1 conflicting implementations of trait `std::convert::From<main::LinearKnob>` for type `main::Knob`:
  1 conflicting implementations of trait `main::KnobControl` for type `main::Knob`:
  1 cannot borrow `self.map` as mutable more than once at a time
  1 cannot borrow `*tree` as mutable more than once at a time
  1 cannot borrow `*current` as mutable more than once at a time
  1 assign to part of possibly uninitialized variable: `xgcval`

// Infra
3 linking with `cc` failed: exit code: 1
3 ld returned 1 exit status
1 multiple matching crates for `local_encoding`
1 multiple matching crates for `docmatic`
1 can't find crate for `local_encoding`
1 can't find crate for `docmatic`
1 the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/xi-frontend/xi-term/Cargo.lock needs to be updated but --locked was passed to prevent this
1 the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Prorok64b/web_crawler/Cargo.lock needs to be updated but --locked was passed to prevent this
1 the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd/Cargo.lock needs to be updated but --locked was passed to prevent this
1 the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MalteT/mensa/Cargo.lock needs to be updated but --locked was passed to prevent this
1 the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/git-series/git-series/Cargo.lock needs to be updated but --locked was passed to prevent this
1 the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0X1A/core-utils/Cargo.lock needs to be updated but --locked was passed to prevent this
1 scenario did not finish successfully: \"2\"\nscenarios:   -> reason: job exited with non-zero exit code: 1\nscenarios: not all scenarios terminated successfully\n"`,
1 scenario did not finish successfully: \"1\"\nscenarios:   -> reason: job exited with non-zero exit code: 1\nscenarios: not all scenarios terminated successfully\n"`', tests/tests.rs:420:9
1 process didn't exit successfully: `/opt/crater/target/debug/deps/test_calls-e2efa9867cc7232e` (signal: 4, SIGILL: illegal instruction)
1 process didn't exit successfully: `/opt/crater/target/debug/deps/smalloca-4a140daaf79cea64` (signal: 4, SIGILL: illegal instruction)
1 process didn't exit successfully: `/opt/crater/target/debug/deps/mujs-5e5e5db7b26bab7e` (signal: 4, SIGILL: illegal instruction)
1 process didn't exit successfully: `/opt/crater/target/debug/deps/esr-2b38354cb0dbd2fa` (signal: 11, SIGSEGV: invalid memory reference)
1 process didn't exit successfully: `/opt/crater/target/debug/deps/consistenttime-f55c7a6e800763f5` (signal: 4, SIGILL: illegal instruction)