[INFO] fetching crate polynomial-ring 0.3.4...
[INFO] testing polynomial-ring-0.3.4 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate polynomial-ring 0.3.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.3.4 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-ring 0.3.4
[INFO] finished tweaking crates.io crate polynomial-ring 0.3.4
[INFO] tweaked toml for crates.io crate polynomial-ring 0.3.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", 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] 399d143a03c23de3d3439c3b2f7281fcb77f22dd2d1ba5922ab08c5ec0efec90
[INFO] running `Command { std: "docker" "start" "-a" "399d143a03c23de3d3439c3b2f7281fcb77f22dd2d1ba5922ab08c5ec0efec90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "399d143a03c23de3d3439c3b2f7281fcb77f22dd2d1ba5922ab08c5ec0efec90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399d143a03c23de3d3439c3b2f7281fcb77f22dd2d1ba5922ab08c5ec0efec90", kill_on_drop: false }`
[INFO] [stdout] 399d143a03c23de3d3439c3b2f7281fcb77f22dd2d1ba5922ab08c5ec0efec90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1595063a8fdcba19a92c8ffcaad2aa0689e1d2fdc62b51c93ed7da5ba66babc
[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" "c1595063a8fdcba19a92c8ffcaad2aa0689e1d2fdc62b51c93ed7da5ba66babc", 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 v0.4.0
[INFO] [stderr]    Compiling ring-algorithm v0.3.0
[INFO] [stderr]    Compiling polynomial-ring v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "c1595063a8fdcba19a92c8ffcaad2aa0689e1d2fdc62b51c93ed7da5ba66babc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1595063a8fdcba19a92c8ffcaad2aa0689e1d2fdc62b51c93ed7da5ba66babc", kill_on_drop: false }`
[INFO] [stdout] c1595063a8fdcba19a92c8ffcaad2aa0689e1d2fdc62b51c93ed7da5ba66babc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] def1b90005ba6957257748298bbb6073d003b4b9d7b551a8c5bcace7bec57932
[INFO] running `Command { std: "docker" "start" "-a" "def1b90005ba6957257748298bbb6073d003b4b9d7b551a8c5bcace7bec57932", 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 v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "def1b90005ba6957257748298bbb6073d003b4b9d7b551a8c5bcace7bec57932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def1b90005ba6957257748298bbb6073d003b4b9d7b551a8c5bcace7bec57932", kill_on_drop: false }`
[INFO] [stdout] def1b90005ba6957257748298bbb6073d003b4b9d7b551a8c5bcace7bec57932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f995d506cf262d0b26144d0099dd2dab18dbac62a5878060f993025cf882ecf
[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" "0f995d506cf262d0b26144d0099dd2dab18dbac62a5878060f993025cf882ecf", 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-374aed72bf852c25)
[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-267b96e7ccc3cb02)
[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 product ... ok
[INFO] [stdout] test neg ... ok
[INFO] [stdout] test scalar_div ... ok
[INFO] [stdout] test scalar_mul ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stdout] test sub2 ... 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>::new (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 30) ... ok
[INFO] [stdout] test src/lib.rs - polynomial (line 183) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::coefs (line 81) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::from_monomial (line 160) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::deg (line 51) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::eval (line 316) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::monic (line 523) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lc (line 68) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::derivative (line 339) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::square_free (line 578) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::division (line 543) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::resultant (line 438) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::pseudo_division (line 373) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f995d506cf262d0b26144d0099dd2dab18dbac62a5878060f993025cf882ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f995d506cf262d0b26144d0099dd2dab18dbac62a5878060f993025cf882ecf", kill_on_drop: false }`
[INFO] [stdout] 0f995d506cf262d0b26144d0099dd2dab18dbac62a5878060f993025cf882ecf