[INFO] fetching crate polynomint 0.5.3...
[INFO] testing polynomint-0.5.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate polynomint 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polynomint 0.5.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomint 0.5.3
[INFO] finished tweaking crates.io crate polynomint 0.5.3
[INFO] tweaked toml for crates.io crate polynomint 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15a362c37f39f0b724214153ea324b954e07c014a3636398aa3b387932b4127
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a15a362c37f39f0b724214153ea324b954e07c014a3636398aa3b387932b4127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15a362c37f39f0b724214153ea324b954e07c014a3636398aa3b387932b4127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15a362c37f39f0b724214153ea324b954e07c014a3636398aa3b387932b4127", kill_on_drop: false }`
[INFO] [stdout] a15a362c37f39f0b724214153ea324b954e07c014a3636398aa3b387932b4127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1d73735eac19438c926eb0193024090e3079347c826f959cda344caff66dda9
[INFO] running `Command { std: "docker" "start" "-a" "a1d73735eac19438c926eb0193024090e3079347c826f959cda344caff66dda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "a1d73735eac19438c926eb0193024090e3079347c826f959cda344caff66dda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d73735eac19438c926eb0193024090e3079347c826f959cda344caff66dda9", kill_on_drop: false }`
[INFO] [stdout] a1d73735eac19438c926eb0193024090e3079347c826f959cda344caff66dda9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a5c5cee81c2efa9b51bc290d42109003fa94dafd794b9a63a51d5a7f486e2f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a5c5cee81c2efa9b51bc290d42109003fa94dafd794b9a63a51d5a7f486e2f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "4a5c5cee81c2efa9b51bc290d42109003fa94dafd794b9a63a51d5a7f486e2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5c5cee81c2efa9b51bc290d42109003fa94dafd794b9a63a51d5a7f486e2f2", kill_on_drop: false }`
[INFO] [stdout] 4a5c5cee81c2efa9b51bc290d42109003fa94dafd794b9a63a51d5a7f486e2f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bc3ec50eef327cf961f7490af01bff5b5a5610c8bcff1b7558fca717506a1fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bc3ec50eef327cf961f7490af01bff5b5a5610c8bcff1b7558fca717506a1fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomint-de54babf746e1e30)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomint
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/math.rs - math::Polynomial::factor_root (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::new (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::degree (line 69) ... ok
[INFO] [stdout] test src/iter.rs - iter::Polynomial::iter_mut (line 37) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::eval (line 75) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::times_x (line 7) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::rem_euclid (line 25) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::has_root_mod (line 123) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::factor_root_mod (line 191) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::has_root (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::is_zero (line 89) ... ok
[INFO] [stdout] test src/iter.rs - iter::Polynomial::iter (line 17) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::derivative (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bc3ec50eef327cf961f7490af01bff5b5a5610c8bcff1b7558fca717506a1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc3ec50eef327cf961f7490af01bff5b5a5610c8bcff1b7558fca717506a1fa", kill_on_drop: false }`
[INFO] [stdout] 4bc3ec50eef327cf961f7490af01bff5b5a5610c8bcff1b7558fca717506a1fa
