[INFO] fetching crate polynomial-ring 0.4.1...
[INFO] testing polynomial-ring-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate polynomial-ring 0.4.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.4.1 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 polynomial-ring 0.4.1
[INFO] finished tweaking crates.io crate polynomial-ring 0.4.1
[INFO] tweaked toml for crates.io crate polynomial-ring 0.4.1 written to /workspace/builds/worker-94/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ring-algorithm v0.4.0
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] f60e25db446c98985288664af133645ebb5859d44d8dd8b237b0a2bcd70f093b
[INFO] running `Command { std: "docker" "start" "-a" "f60e25db446c98985288664af133645ebb5859d44d8dd8b237b0a2bcd70f093b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60e25db446c98985288664af133645ebb5859d44d8dd8b237b0a2bcd70f093b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60e25db446c98985288664af133645ebb5859d44d8dd8b237b0a2bcd70f093b", kill_on_drop: false }`
[INFO] [stdout] f60e25db446c98985288664af133645ebb5859d44d8dd8b237b0a2bcd70f093b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 978411fa077c42eba777384cd9ff6960f164a01ff104ea0c032affdbcbb039e5
[INFO] running `Command { std: "docker" "start" "-a" "978411fa077c42eba777384cd9ff6960f164a01ff104ea0c032affdbcbb039e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling ring-algorithm v0.4.0
[INFO] [stderr]    Compiling polynomial-ring v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "978411fa077c42eba777384cd9ff6960f164a01ff104ea0c032affdbcbb039e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978411fa077c42eba777384cd9ff6960f164a01ff104ea0c032affdbcbb039e5", kill_on_drop: false }`
[INFO] [stdout] 978411fa077c42eba777384cd9ff6960f164a01ff104ea0c032affdbcbb039e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 64a31670906e74d987f4b66b5163a6ed46e925d06ebe954705ef996470e38dac
[INFO] running `Command { std: "docker" "start" "-a" "64a31670906e74d987f4b66b5163a6ed46e925d06ebe954705ef996470e38dac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling polynomial-ring v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "64a31670906e74d987f4b66b5163a6ed46e925d06ebe954705ef996470e38dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a31670906e74d987f4b66b5163a6ed46e925d06ebe954705ef996470e38dac", kill_on_drop: false }`
[INFO] [stdout] 64a31670906e74d987f4b66b5163a6ed46e925d06ebe954705ef996470e38dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 7a39597ef30a70ab9908bba5792c6561ae72a0c4b41974fab083e138f325a460
[INFO] running `Command { std: "docker" "start" "-a" "7a39597ef30a70ab9908bba5792c6561ae72a0c4b41974fab083e138f325a460", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomial_ring-6536320a07e64ac6)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-13551eee38541701)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test add ... ok
[INFO] [stdout] test add2 ... ok
[INFO] [stdout] test display ... ok
[INFO] [stdout] test mul ... ok
[INFO] [stdout] test mul2 ... ok
[INFO] [stdout] test neg ... ok
[INFO] [stdout] test product ... ok
[INFO] [stdout] test scalar_div ... ok
[INFO] [stdout] test scalar_mul ... ok
[INFO] [stdout] test sub2 ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stdout] test sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomial-ring
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Polynomial<M>::from_monomial (line 149) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::coefs (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lc (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::eval (line 305) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::new (line 131) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::deg (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::derivative (line 328) ... ok
[INFO] [stdout] test src/lib.rs - polynomial (line 172) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::pseudo_division (line 362) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::monic (line 512) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::division (line 532) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::square_free (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::resultant (line 427) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a39597ef30a70ab9908bba5792c6561ae72a0c4b41974fab083e138f325a460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a39597ef30a70ab9908bba5792c6561ae72a0c4b41974fab083e138f325a460", kill_on_drop: false }`
[INFO] [stdout] 7a39597ef30a70ab9908bba5792c6561ae72a0c4b41974fab083e138f325a460