[INFO] fetching crate polynom 0.1.1...
[INFO] testing polynom-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate polynom 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate polynom 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynom 0.1.1
[INFO] finished tweaking crates.io crate polynom 0.1.1
[INFO] tweaked toml for crates.io crate polynom 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d33f445b2dd42f3fe58b38cf551c31de2e84c3017a17d5fd8f3fdb93c02e9c5a
[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" "d33f445b2dd42f3fe58b38cf551c31de2e84c3017a17d5fd8f3fdb93c02e9c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33f445b2dd42f3fe58b38cf551c31de2e84c3017a17d5fd8f3fdb93c02e9c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33f445b2dd42f3fe58b38cf551c31de2e84c3017a17d5fd8f3fdb93c02e9c5a", kill_on_drop: false }`
[INFO] [stdout] d33f445b2dd42f3fe58b38cf551c31de2e84c3017a17d5fd8f3fdb93c02e9c5a
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf854d7078f351e102d9a46e86ca937dbd832eb747b1ff2e98adca5c177374a8
[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" "cf854d7078f351e102d9a46e86ca937dbd832eb747b1ff2e98adca5c177374a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "cf854d7078f351e102d9a46e86ca937dbd832eb747b1ff2e98adca5c177374a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf854d7078f351e102d9a46e86ca937dbd832eb747b1ff2e98adca5c177374a8", kill_on_drop: false }`
[INFO] [stdout] cf854d7078f351e102d9a46e86ca937dbd832eb747b1ff2e98adca5c177374a8
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 3b1caada61fa63c655e326d58c9988660a82d7ee316fffb49183a7b42cd73ff5
[INFO] running `Command { std: "docker" "start" "-a" "3b1caada61fa63c655e326d58c9988660a82d7ee316fffb49183a7b42cd73ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "3b1caada61fa63c655e326d58c9988660a82d7ee316fffb49183a7b42cd73ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1caada61fa63c655e326d58c9988660a82d7ee316fffb49183a7b42cd73ff5", kill_on_drop: false }`
[INFO] [stdout] 3b1caada61fa63c655e326d58c9988660a82d7ee316fffb49183a7b42cd73ff5
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 880cb023b4db1e0531738c5e4412a7eaffb467d3ad89564e6510f2d57ca0c73d
[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" "880cb023b4db1e0531738c5e4412a7eaffb467d3ad89564e6510f2d57ca0c73d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynom-f5fa9a4a4e4ee81b)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test polynomial::tests::test_add_negative_coefficients ... ok
[INFO] [stdout] test polynomial::tests::test_degree ... ok
[INFO] [stdout] test polynomial::tests::test_double_negative_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_add ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_negative ... ok
[INFO] [stdout] test polynomial::tests::test_multiply_negative ... ok
[INFO] [stdout] test polynomial::tests::test_multiply_simple ... ok
[INFO] [stdout] test polynomial::tests::test_new_polynomial_from_ints ... ok
[INFO] [stdout] test polynomial::tests::test_string_representation ... ok
[INFO] [stdout] test polynomial::tests::test_strip_from_end ... ok
[INFO] [stdout] test polynomial::tests::test_strip_from_end_on_polynomial ... ok
[INFO] [stdout] test polynomial::tests::test_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_zero_polynomial ... ok
[INFO] [stdout] test polynomial::tests::test_zero_special_case_degree ... ok
[INFO] [stdout] test polynomial::tests::test_negative_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_five ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_zero ... ok
[INFO] [stdout] test polynomial::tests::test_multiply ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynom
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::add (line 92) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::from_ints (line 66) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::as_string (line 184) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::evaluate_at (line 167) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::degree (line 215) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::new (line 42) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::multiply (line 144) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::sub (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "880cb023b4db1e0531738c5e4412a7eaffb467d3ad89564e6510f2d57ca0c73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880cb023b4db1e0531738c5e4412a7eaffb467d3ad89564e6510f2d57ca0c73d", kill_on_drop: false }`
[INFO] [stdout] 880cb023b4db1e0531738c5e4412a7eaffb467d3ad89564e6510f2d57ca0c73d