[INFO] fetching crate polynomial-ring 0.4.1...
[INFO] testing polynomial-ring-0.4.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate polynomial-ring 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.4.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] [stderr]   Downloaded ring-algorithm v0.4.0
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe830dd2790d1770947cfb9f8c34e03f71ec471526c67bc65e5007acc9d9d806
[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" "fe830dd2790d1770947cfb9f8c34e03f71ec471526c67bc65e5007acc9d9d806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe830dd2790d1770947cfb9f8c34e03f71ec471526c67bc65e5007acc9d9d806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe830dd2790d1770947cfb9f8c34e03f71ec471526c67bc65e5007acc9d9d806", kill_on_drop: false }`
[INFO] [stdout] fe830dd2790d1770947cfb9f8c34e03f71ec471526c67bc65e5007acc9d9d806
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d409f6c768589ef2631e67e03cd6a908f2ee8a0e2fd4d78778e2cb8a99c0bf2f
[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" "d409f6c768589ef2631e67e03cd6a908f2ee8a0e2fd4d78778e2cb8a99c0bf2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[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 v0.4.3
[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 9.06s
[INFO] running `Command { std: "docker" "inspect" "d409f6c768589ef2631e67e03cd6a908f2ee8a0e2fd4d78778e2cb8a99c0bf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d409f6c768589ef2631e67e03cd6a908f2ee8a0e2fd4d78778e2cb8a99c0bf2f", kill_on_drop: false }`
[INFO] [stdout] d409f6c768589ef2631e67e03cd6a908f2ee8a0e2fd4d78778e2cb8a99c0bf2f
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283c88cc588a647e78759844769296bffea1fe33903380f62792444af42ea8a4
[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" "283c88cc588a647e78759844769296bffea1fe33903380f62792444af42ea8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[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 5.12s
[INFO] running `Command { std: "docker" "inspect" "283c88cc588a647e78759844769296bffea1fe33903380f62792444af42ea8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283c88cc588a647e78759844769296bffea1fe33903380f62792444af42ea8a4", kill_on_drop: false }`
[INFO] [stdout] 283c88cc588a647e78759844769296bffea1fe33903380f62792444af42ea8a4
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac876133681ab6cd37641ae09ff0af3164da40417c449b9e400c9d8b056b88bf
[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" "ac876133681ab6cd37641ae09ff0af3164da40417c449b9e400c9d8b056b88bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomial_ring-cc0528152bb568ab)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-4dc1352bd8657da1)
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test sum ... ok
[INFO] [stdout] test mul2 ... ok
[INFO] [stdout] test sub2 ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stdout] test scalar_mul ... ok
[INFO] [stdout] test scalar_div ... ok
[INFO] [stdout] test product ... ok
[INFO] [stdout] test add ... ok
[INFO] [stdout] test display ... ok
[INFO] [stdout] test neg ... ok
[INFO] [stdout] test add2 ... ok
[INFO] [stderr]    Doc-tests polynomial-ring
[INFO] [stdout] test mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Polynomial<R>::eval (line 304) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::coefs (line 69) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::deg (line 39) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::new (line 130) ... ok
[INFO] [stdout] test src/lib.rs - polynomial (line 172) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::from_monomial (line 148) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lc (line 56) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::derivative (line 327) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::monic (line 511) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::division (line 531) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::square_free (line 566) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::resultant (line 426) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::pseudo_division (line 361) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac876133681ab6cd37641ae09ff0af3164da40417c449b9e400c9d8b056b88bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac876133681ab6cd37641ae09ff0af3164da40417c449b9e400c9d8b056b88bf", kill_on_drop: false }`
[INFO] [stdout] ac876133681ab6cd37641ae09ff0af3164da40417c449b9e400c9d8b056b88bf