[INFO] fetching crate rug-polynomial 0.2.5...
[INFO] testing rug-polynomial-0.2.5 against master#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849
[INFO] extracting crate rug-polynomial 0.2.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rug-polynomial 0.2.5 on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-polynomial 0.2.5
[INFO] finished tweaking crates.io crate rug-polynomial 0.2.5
[INFO] tweaked toml for crates.io crate rug-polynomial 0.2.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rug-polynomial 0.2.5 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" "+67da586efe13aa66eef576ba095e1875ba65fd20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug-fft v0.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded rug v1.18.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.13
[INFO] [stderr]   Downloaded flint-sys v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 438c7462a83ffe1f1d2aadd4c7777dd3bbd685f184d62188e5b98e303fbe77c8
[INFO] running `Command { std: "docker" "start" "-a" "438c7462a83ffe1f1d2aadd4c7777dd3bbd685f184d62188e5b98e303fbe77c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "438c7462a83ffe1f1d2aadd4c7777dd3bbd685f184d62188e5b98e303fbe77c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438c7462a83ffe1f1d2aadd4c7777dd3bbd685f184d62188e5b98e303fbe77c8", kill_on_drop: false }`
[INFO] [stdout] 438c7462a83ffe1f1d2aadd4c7777dd3bbd685f184d62188e5b98e303fbe77c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf30d259d426796e9b780163ea93bc84667554c6f2a1fd72ff0adcf2abe5f605
[INFO] running `Command { std: "docker" "start" "-a" "cf30d259d426796e9b780163ea93bc84667554c6f2a1fd72ff0adcf2abe5f605", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.13
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling rug v1.18.0
[INFO] [stderr]    Compiling flint-sys v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rug-fft v0.1.2
[INFO] [stderr]    Compiling rug-polynomial v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 25s
[INFO] running `Command { std: "docker" "inspect" "cf30d259d426796e9b780163ea93bc84667554c6f2a1fd72ff0adcf2abe5f605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf30d259d426796e9b780163ea93bc84667554c6f2a1fd72ff0adcf2abe5f605", kill_on_drop: false }`
[INFO] [stdout] cf30d259d426796e9b780163ea93bc84667554c6f2a1fd72ff0adcf2abe5f605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d29a6b85846c73e72e742f377871735fac8f3fe5f3888f77f85ed8530e753c0e
[INFO] running `Command { std: "docker" "start" "-a" "d29a6b85846c73e72e742f377871735fac8f3fe5f3888f77f85ed8530e753c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling rug-polynomial v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "d29a6b85846c73e72e742f377871735fac8f3fe5f3888f77f85ed8530e753c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29a6b85846c73e72e742f377871735fac8f3fe5f3888f77f85ed8530e753c0e", kill_on_drop: false }`
[INFO] [stdout] d29a6b85846c73e72e742f377871735fac8f3fe5f3888f77f85ed8530e753c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b84ceee96218ef361fe532e459db4f6c2805f832219b0f66024bdfae10bc62fe
[INFO] running `Command { std: "docker" "start" "-a" "b84ceee96218ef361fe532e459db4f6c2805f832219b0f66024bdfae10bc62fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rug_polynomial-dffe7d5caeca5b15)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test test::bench_xgcd ... ignored
[INFO] [stdout] test test::from_const ... ok
[INFO] [stdout] test test::init ... ok
[INFO] [stdout] test test::interpolate_poly_mod_5 ... ok
[INFO] [stdout] test test::add ... ok
[INFO] [stdout] test test::div ... ok
[INFO] [stdout] test test::interpolate_zero_mod_5 ... ok
[INFO] [stdout] test test::interpolate_line_mod_5 ... ok
[INFO] [stdout] test test::interpolate_const_mod_5 ... ok
[INFO] [stdout] test test::just_set ... ok
[INFO] [stdout] test test::mul ... ok
[INFO] [stdout] test test::mul_wrap ... ok
[INFO] [stdout] test test::set_get ... ok
[INFO] [stdout] test test::sub ... ok
[INFO] [stdout] test test::test_xgcd ... ok
[INFO] [stdout] test test::test_interpolate_rountrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rug-polynomial
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - ModPoly::interpolate_from_mul_subgroup (line 95) ... ok
[INFO] [stdout] test src/lib.rs - ModPoly::evaluate (line 198) ... ok
[INFO] [stdout] test src/lib.rs - ModPoly::evaluate_over_mul_subgroup (line 126) ... ok
[INFO] [stdout] test src/lib.rs - ModPoly::with_roots (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b84ceee96218ef361fe532e459db4f6c2805f832219b0f66024bdfae10bc62fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84ceee96218ef361fe532e459db4f6c2805f832219b0f66024bdfae10bc62fe", kill_on_drop: false }`
[INFO] [stdout] b84ceee96218ef361fe532e459db4f6c2805f832219b0f66024bdfae10bc62fe