[INFO] fetching crate polynom 0.1.1...
[INFO] testing polynom-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate polynom 0.1.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate polynom 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynom 0.1.1
[INFO] finished tweaking crates.io crate polynom 0.1.1
[INFO] tweaked toml for crates.io crate polynom 0.1.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac3e1e325491c23d2208cf3b89c90bf82c540df8a22d70a62587d8c36968f300
[INFO] running `Command { std: "docker" "start" "-a" "ac3e1e325491c23d2208cf3b89c90bf82c540df8a22d70a62587d8c36968f300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3e1e325491c23d2208cf3b89c90bf82c540df8a22d70a62587d8c36968f300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3e1e325491c23d2208cf3b89c90bf82c540df8a22d70a62587d8c36968f300", kill_on_drop: false }`
[INFO] [stdout] ac3e1e325491c23d2208cf3b89c90bf82c540df8a22d70a62587d8c36968f300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c6813b8c35c73075b13d606a53828b636ad0bd38e03dfb7c202c7ce625dd7a
[INFO] running `Command { std: "docker" "start" "-a" "e2c6813b8c35c73075b13d606a53828b636ad0bd38e03dfb7c202c7ce625dd7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling polynom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "e2c6813b8c35c73075b13d606a53828b636ad0bd38e03dfb7c202c7ce625dd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c6813b8c35c73075b13d606a53828b636ad0bd38e03dfb7c202c7ce625dd7a", kill_on_drop: false }`
[INFO] [stdout] e2c6813b8c35c73075b13d606a53828b636ad0bd38e03dfb7c202c7ce625dd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d0e90b52f8ea05f39115ceca1a42cc11f12518612fe186a72e40d29da26215
[INFO] running `Command { std: "docker" "start" "-a" "b6d0e90b52f8ea05f39115ceca1a42cc11f12518612fe186a72e40d29da26215", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "b6d0e90b52f8ea05f39115ceca1a42cc11f12518612fe186a72e40d29da26215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d0e90b52f8ea05f39115ceca1a42cc11f12518612fe186a72e40d29da26215", kill_on_drop: false }`
[INFO] [stdout] b6d0e90b52f8ea05f39115ceca1a42cc11f12518612fe186a72e40d29da26215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b716823fe87aaba81a8b56c88b7ed26560a23c043397619acdbc984fb4317a9
[INFO] running `Command { std: "docker" "start" "-a" "3b716823fe87aaba81a8b56c88b7ed26560a23c043397619acdbc984fb4317a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynom-9245d909825f9acc)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test polynomial::tests::test_add ... ok
[INFO] [stdout] test polynomial::tests::test_add_negative_coefficients ... ok
[INFO] [stdout] test polynomial::tests::test_degree ... ok
[INFO] [stdout] test polynomial::tests::test_double_negative_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_five ... ok
[INFO] [stdout] test polynomial::tests::test_multiply ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_negative ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_zero ... ok
[INFO] [stdout] test polynomial::tests::test_multiply_negative ... ok
[INFO] [stdout] test polynomial::tests::test_negative_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_multiply_simple ... ok
[INFO] [stdout] test polynomial::tests::test_string_representation ... ok
[INFO] [stdout] test polynomial::tests::test_new_polynomial_from_ints ... ok
[INFO] [stdout] test polynomial::tests::test_strip_from_end ... ok
[INFO] [stdout] test polynomial::tests::test_strip_from_end_on_polynomial ... ok
[INFO] [stdout] test polynomial::tests::test_zero_special_case_degree ... ok
[INFO] [stdout] test polynomial::tests::test_zero_polynomial ... ok
[INFO] [stdout] test polynomial::tests::test_subtract ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynom
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::from_ints (line 66) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::as_string (line 184) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::multiply (line 144) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::sub (line 122) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::degree (line 215) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::new (line 42) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::evaluate_at (line 167) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::add (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b716823fe87aaba81a8b56c88b7ed26560a23c043397619acdbc984fb4317a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b716823fe87aaba81a8b56c88b7ed26560a23c043397619acdbc984fb4317a9", kill_on_drop: false }`
[INFO] [stdout] 3b716823fe87aaba81a8b56c88b7ed26560a23c043397619acdbc984fb4317a9