[INFO] crate petri 0.0.4 is already in cache
[INFO] checking petri-0.0.4 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate petri 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate petri 0.0.4 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5ff6a580af19f4595479e1a31742f8292c076b60b498a03922e0330bfbd2ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c5ff6a580af19f4595479e1a31742f8292c076b60b498a03922e0330bfbd2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5ff6a580af19f4595479e1a31742f8292c076b60b498a03922e0330bfbd2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5ff6a580af19f4595479e1a31742f8292c076b60b498a03922e0330bfbd2ab", kill_on_drop: false }`
[INFO] [stdout] 7c5ff6a580af19f4595479e1a31742f8292c076b60b498a03922e0330bfbd2ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ce6b6ecb1fa5df01f52995ad5278d9a12fa0fa340af4e7ca45274fdd221dd0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ce6b6ecb1fa5df01f52995ad5278d9a12fa0fa340af4e7ca45274fdd221dd0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking ndarray v0.10.14
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.88s
[INFO] running `Command { std: "docker" "inspect" "4ce6b6ecb1fa5df01f52995ad5278d9a12fa0fa340af4e7ca45274fdd221dd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce6b6ecb1fa5df01f52995ad5278d9a12fa0fa340af4e7ca45274fdd221dd0e", kill_on_drop: false }`
[INFO] [stdout] 4ce6b6ecb1fa5df01f52995ad5278d9a12fa0fa340af4e7ca45274fdd221dd0e