[INFO] fetching crate polynomial_subspaces 0.2.0...
[INFO] testing polynomial_subspaces-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate polynomial_subspaces 0.2.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial_subspaces 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d489b6eada39853ef657eb8124ff25de0795ce63b3a4f5e6d90dbfc95bac37a
[INFO] running `Command { std: "docker" "start" "-a" "7d489b6eada39853ef657eb8124ff25de0795ce63b3a4f5e6d90dbfc95bac37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d489b6eada39853ef657eb8124ff25de0795ce63b3a4f5e6d90dbfc95bac37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d489b6eada39853ef657eb8124ff25de0795ce63b3a4f5e6d90dbfc95bac37a", kill_on_drop: false }`
[INFO] [stdout] 7d489b6eada39853ef657eb8124ff25de0795ce63b3a4f5e6d90dbfc95bac37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd27c6b5859bd7017dad31d61c5322dfb5e4dec4ba7c0b84194c6dff1cdb029
[INFO] running `Command { std: "docker" "start" "-a" "0bd27c6b5859bd7017dad31d61c5322dfb5e4dec4ba7c0b84194c6dff1cdb029", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fast_polynomial v0.1.0
[INFO] [stderr]    Compiling polynomial_subspaces v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "0bd27c6b5859bd7017dad31d61c5322dfb5e4dec4ba7c0b84194c6dff1cdb029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd27c6b5859bd7017dad31d61c5322dfb5e4dec4ba7c0b84194c6dff1cdb029", kill_on_drop: false }`
[INFO] [stdout] 0bd27c6b5859bd7017dad31d61c5322dfb5e4dec4ba7c0b84194c6dff1cdb029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec76688880cd01ff6184060e6fb0494ad7eb7f924401eb012abaa3a82665c9fd
[INFO] running `Command { std: "docker" "start" "-a" "ec76688880cd01ff6184060e6fb0494ad7eb7f924401eb012abaa3a82665c9fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "ec76688880cd01ff6184060e6fb0494ad7eb7f924401eb012abaa3a82665c9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec76688880cd01ff6184060e6fb0494ad7eb7f924401eb012abaa3a82665c9fd", kill_on_drop: false }`
[INFO] [stdout] ec76688880cd01ff6184060e6fb0494ad7eb7f924401eb012abaa3a82665c9fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 802dd1087b65c17944b79b8a784a4ca662dff270d22243f7577a263d4c47ddfd
[INFO] running `Command { std: "docker" "start" "-a" "802dd1087b65c17944b79b8a784a4ca662dff270d22243f7577a263d4c47ddfd", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/full_example.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stderr]    |                              ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 62 -                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stderr] 62 +                     &|&diff| diff.abs() < TEST_EPSILON ,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `polynomial_subspaces` (example "full_example") generated 1 warning (run `cargo fix --example "full_example"` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/my_symmetrical_basis_pair.rs:1347:30
[INFO] [stderr]      |
[INFO] [stderr] 1347 |                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stderr]      |                              ^                         ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1347 -                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stderr] 1347 +                     &|&diff| diff.abs() < TEST_EPSILON ,
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/my_symmetrical_basis_pair.rs:1388:30
[INFO] [stderr]      |
[INFO] [stderr] 1388 |                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stderr]      |                              ^                         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1388 -                     &|&diff| (diff.abs() < TEST_EPSILON),
[INFO] [stderr] 1388 +                     &|&diff| diff.abs() < TEST_EPSILON ,
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: `polynomial_subspaces` (lib test) generated 2 warnings (run `cargo fix --lib -p polynomial_subspaces --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polynomial_subspaces-218eb87541a7177c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test my_symmetrical_basis_pair::test::test_differentiate_single_nonhardcoded ... ok
[INFO] [stdout] test my_symmetrical_basis_pair::test::monomial_multiply_by_t ... ok
[INFO] [stdout] test my_symmetrical_basis_pair::test::test_differentiate_single_small ... ok
[INFO] [stdout] test my_symmetrical_basis_pair::test_more::monomial_derivatives_match ... ok
[INFO] [stdout] test my_symmetrical_basis_pair::test::test_product_goes_small ... ok
[INFO] [stdout] test my_symmetrical_basis_pair::test_more::monomials_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomial_subspaces
[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" "802dd1087b65c17944b79b8a784a4ca662dff270d22243f7577a263d4c47ddfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802dd1087b65c17944b79b8a784a4ca662dff270d22243f7577a263d4c47ddfd", kill_on_drop: false }`
[INFO] [stdout] 802dd1087b65c17944b79b8a784a4ca662dff270d22243f7577a263d4c47ddfd