[INFO] fetching crate petri 0.0.4...
[INFO] testing petri-0.0.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate petri 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate petri 0.0.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petri 0.0.4
[INFO] finished tweaking crates.io crate petri 0.0.4
[INFO] tweaked toml for crates.io crate petri 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8f0f0b651be411c37da6918dcef6f73c4e2e6b5cddd4242caece8c9cabde767
[INFO] running `Command { std: "docker" "start" "-a" "f8f0f0b651be411c37da6918dcef6f73c4e2e6b5cddd4242caece8c9cabde767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f0f0b651be411c37da6918dcef6f73c4e2e6b5cddd4242caece8c9cabde767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f0f0b651be411c37da6918dcef6f73c4e2e6b5cddd4242caece8c9cabde767", kill_on_drop: false }`
[INFO] [stdout] f8f0f0b651be411c37da6918dcef6f73c4e2e6b5cddd4242caece8c9cabde767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fccdd8efd5862af1a3bcb37a74201f44def7de7815f2d5c69ab26e29bfc5be38
[INFO] running `Command { std: "docker" "start" "-a" "fccdd8efd5862af1a3bcb37a74201f44def7de7815f2d5c69ab26e29bfc5be38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling petri v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.12s
[INFO] running `Command { std: "docker" "inspect" "fccdd8efd5862af1a3bcb37a74201f44def7de7815f2d5c69ab26e29bfc5be38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccdd8efd5862af1a3bcb37a74201f44def7de7815f2d5c69ab26e29bfc5be38", kill_on_drop: false }`
[INFO] [stdout] fccdd8efd5862af1a3bcb37a74201f44def7de7815f2d5c69ab26e29bfc5be38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2029fc1862e16cb4472a0502f1cef3e2bcee9366be9e7d8da18e5bfd85518ccd
[INFO] running `Command { std: "docker" "start" "-a" "2029fc1862e16cb4472a0502f1cef3e2bcee9366be9e7d8da18e5bfd85518ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling petri v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "2029fc1862e16cb4472a0502f1cef3e2bcee9366be9e7d8da18e5bfd85518ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2029fc1862e16cb4472a0502f1cef3e2bcee9366be9e7d8da18e5bfd85518ccd", kill_on_drop: false }`
[INFO] [stdout] 2029fc1862e16cb4472a0502f1cef3e2bcee9366be9e7d8da18e5bfd85518ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c0ea8b369802fef56e25eff829bbe33f9eb8492a2533a2148438f9477682fa7
[INFO] running `Command { std: "docker" "start" "-a" "7c0ea8b369802fef56e25eff829bbe33f9eb8492a2533a2148438f9477682fa7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 9 tests
[INFO] [stderr]   --> src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/petri-a4314e90fd8e644f)
[INFO] [stdout] test ops::mutate::flip_bit::test::test_mutates_correctly ... ok
[INFO] [stdout] test ops::crossover::one_point::test::test_crosses_correctly ... ok
[INFO] [stdout] test ops::crossover::two_point::test::test_crosses_correctly ... ok
[INFO] [stderr]    Doc-tests petri
[INFO] [stdout] test ops::crossover::two_point::test::test_panics_on_different_len - should panic ... ok
[INFO] [stdout] test ops::mutate::shuffle_indexes::test::test_panics_on_lt_0 - should panic ... ok
[INFO] [stdout] test ops::mutate::flip_bit::test::test_panics_on_gt_1 - should panic ... ok
[INFO] [stdout] test ops::mutate::flip_bit::test::test_panics_on_lt_0 - should panic ... ok
[INFO] [stdout] test ops::mutate::shuffle_indexes::test::test_panics_on_gt_1 - should panic ... ok
[INFO] [stdout] test ops::crossover::one_point::test::test_panics_on_different_len - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c0ea8b369802fef56e25eff829bbe33f9eb8492a2533a2148438f9477682fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0ea8b369802fef56e25eff829bbe33f9eb8492a2533a2148438f9477682fa7", kill_on_drop: false }`
[INFO] [stdout] 7c0ea8b369802fef56e25eff829bbe33f9eb8492a2533a2148438f9477682fa7