[INFO] fetching crate polynomial-ring 0.2.1...
[INFO] testing polynomial-ring-0.2.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate polynomial-ring 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.2.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-ring 0.2.1
[INFO] finished tweaking crates.io crate polynomial-ring 0.2.1
[INFO] tweaked toml for crates.io crate polynomial-ring 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ring-algorithm v0.2.3
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf0e78d57dfd2110065270934b801a78c671e7095435bbf836fca836ba68594
[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" "aaf0e78d57dfd2110065270934b801a78c671e7095435bbf836fca836ba68594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf0e78d57dfd2110065270934b801a78c671e7095435bbf836fca836ba68594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf0e78d57dfd2110065270934b801a78c671e7095435bbf836fca836ba68594", kill_on_drop: false }`
[INFO] [stdout] aaf0e78d57dfd2110065270934b801a78c671e7095435bbf836fca836ba68594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9682c4be1559228ede665cf520cb93fa1640dcd6d6e5ebe641f2fb36375f374f
[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" "9682c4be1559228ede665cf520cb93fa1640dcd6d6e5ebe641f2fb36375f374f", kill_on_drop: false }`
[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 v0.3.2
[INFO] [stderr]    Compiling ring-algorithm v0.2.3
[INFO] [stderr]    Compiling polynomial-ring v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "9682c4be1559228ede665cf520cb93fa1640dcd6d6e5ebe641f2fb36375f374f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9682c4be1559228ede665cf520cb93fa1640dcd6d6e5ebe641f2fb36375f374f", kill_on_drop: false }`
[INFO] [stdout] 9682c4be1559228ede665cf520cb93fa1640dcd6d6e5ebe641f2fb36375f374f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--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] 45f98adc606c4bbef6417e76affbfcf098dae3d541305764ea7189bcae458c3f
[INFO] running `Command { std: "docker" "start" "-a" "45f98adc606c4bbef6417e76affbfcf098dae3d541305764ea7189bcae458c3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[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 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "45f98adc606c4bbef6417e76affbfcf098dae3d541305764ea7189bcae458c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f98adc606c4bbef6417e76affbfcf098dae3d541305764ea7189bcae458c3f", kill_on_drop: false }`
[INFO] [stdout] 45f98adc606c4bbef6417e76affbfcf098dae3d541305764ea7189bcae458c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d770bc937550e28e6c85c5d237d45ec35c993dc1b5153c8fb7214fd27707ca3
[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" "1d770bc937550e28e6c85c5d237d45ec35c993dc1b5153c8fb7214fd27707ca3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomial_ring-a8ed87d60226123a)
[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-df187ab3ba46605a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test add2 ... ok
[INFO] [stdout] test mul ... ok
[INFO] [stdout] test mul2 ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stdout] test product ... ok
[INFO] [stdout] test sum ... ok
[INFO] [stdout] test sub2 ... ok
[INFO] [stdout] test display ... ok
[INFO] [stdout] test add ... ok
[INFO] [stdout] test neg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 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 12 tests
[INFO] [stdout] test src/lib.rs - Polynomial<M>::new (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::coefs (line 81) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::eval (line 316) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lc (line 68) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::deg (line 51) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::from_monomial (line 160) ... ok
[INFO] [stdout] test src/lib.rs - polynomial (line 183) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::derivative (line 339) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::monic (line 380) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::division (line 400) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d770bc937550e28e6c85c5d237d45ec35c993dc1b5153c8fb7214fd27707ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d770bc937550e28e6c85c5d237d45ec35c993dc1b5153c8fb7214fd27707ca3", kill_on_drop: false }`
[INFO] [stdout] 1d770bc937550e28e6c85c5d237d45ec35c993dc1b5153c8fb7214fd27707ca3