[INFO] fetching crate polynomial_subspaces 0.2.0...
[INFO] checking polynomial_subspaces-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate polynomial_subspaces 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate polynomial_subspaces 0.2.0
[INFO] finished tweaking crates.io crate polynomial_subspaces 0.2.0
[INFO] tweaked toml for crates.io crate polynomial_subspaces 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial_subspaces 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polynomial_subspaces 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33be3d710c5ca17e0edc189aa6b6d6919bd6c3fa51f1be58a6961d8946a43dfd
[INFO] running `Command { std: "docker" "start" "-a" "33be3d710c5ca17e0edc189aa6b6d6919bd6c3fa51f1be58a6961d8946a43dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33be3d710c5ca17e0edc189aa6b6d6919bd6c3fa51f1be58a6961d8946a43dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33be3d710c5ca17e0edc189aa6b6d6919bd6c3fa51f1be58a6961d8946a43dfd", kill_on_drop: false }`
[INFO] [stdout] 33be3d710c5ca17e0edc189aa6b6d6919bd6c3fa51f1be58a6961d8946a43dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eabd859b96f45bb994a276a513e7622e3f14e75710456b58d977c454ad1f93a
[INFO] running `Command { std: "docker" "start" "-a" "6eabd859b96f45bb994a276a513e7622e3f14e75710456b58d977c454ad1f93a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking fast_polynomial v0.1.0
[INFO] [stderr]     Checking polynomial_subspaces v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/my_symmetrical_basis_pair.rs:1347:30
[INFO] [stdout]      |
[INFO] [stdout] 1347 |                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stdout]      |                              ^                         ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1347 -                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stdout] 1347 +                     &|&diff| diff.abs() < TEST_EPSILON,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/my_symmetrical_basis_pair.rs:1388:30
[INFO] [stdout]      |
[INFO] [stdout] 1388 |                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stdout]      |                              ^                         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1388 -                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stdout] 1388 +                     &|&diff| diff.abs() < TEST_EPSILON,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/full_example.rs:62:30
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stdout]    |                              ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stdout] 62 +                     &|&diff| diff.abs() < TEST_EPSILON,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "6eabd859b96f45bb994a276a513e7622e3f14e75710456b58d977c454ad1f93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eabd859b96f45bb994a276a513e7622e3f14e75710456b58d977c454ad1f93a", kill_on_drop: false }`
[INFO] [stdout] 6eabd859b96f45bb994a276a513e7622e3f14e75710456b58d977c454ad1f93a