[INFO] crate polynom 0.1.1 is already in cache
[INFO] testing polynom-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate polynom 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polynom 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4d6b26fc4f4448a7c98c1184927de3e0e6306ab415621356bf95536f08e58b
[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" "aa4d6b26fc4f4448a7c98c1184927de3e0e6306ab415621356bf95536f08e58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4d6b26fc4f4448a7c98c1184927de3e0e6306ab415621356bf95536f08e58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4d6b26fc4f4448a7c98c1184927de3e0e6306ab415621356bf95536f08e58b", kill_on_drop: false }`
[INFO] [stdout] aa4d6b26fc4f4448a7c98c1184927de3e0e6306ab415621356bf95536f08e58b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a207565da9c72caf790218e7acaaba1d584014f88eafdc88986b67772d4b2646
[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" "a207565da9c72caf790218e7acaaba1d584014f88eafdc88986b67772d4b2646", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "a207565da9c72caf790218e7acaaba1d584014f88eafdc88986b67772d4b2646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a207565da9c72caf790218e7acaaba1d584014f88eafdc88986b67772d4b2646", kill_on_drop: false }`
[INFO] [stdout] a207565da9c72caf790218e7acaaba1d584014f88eafdc88986b67772d4b2646
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee5964c61badc44c95dd63456e82aed4788c9dd2ca9490dac4c9074bd7943571
[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" "ee5964c61badc44c95dd63456e82aed4788c9dd2ca9490dac4c9074bd7943571", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "ee5964c61badc44c95dd63456e82aed4788c9dd2ca9490dac4c9074bd7943571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5964c61badc44c95dd63456e82aed4788c9dd2ca9490dac4c9074bd7943571", kill_on_drop: false }`
[INFO] [stdout] ee5964c61badc44c95dd63456e82aed4788c9dd2ca9490dac4c9074bd7943571
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77bd8e1c4ed2cf62aefd975896bf22c0c9981b672b7000d5f104beef7fbe8fd9
[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" "77bd8e1c4ed2cf62aefd975896bf22c0c9981b672b7000d5f104beef7fbe8fd9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polynom-a5b703e58b49cea3
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test polynomial::tests::test_add_negative_coefficients ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_five ... 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_negative_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_new_polynomial_from_ints ... ok
[INFO] [stdout] test polynomial::tests::test_strip_from_end ... ok
[INFO] [stdout] test polynomial::tests::test_string_representation ... ok
[INFO] [stdout] test polynomial::tests::test_subtract ... ok
[INFO] [stdout] test polynomial::tests::test_strip_from_end_on_polynomial ... 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_multiply ... ok
[INFO] [stdout] test polynomial::tests::test_evaluate_at_zero ... ok
[INFO] [stdout] test polynomial::tests::test_add ... ok
[INFO] [stdout] test polynomial::tests::test_degree ... ok
[INFO] [stderr]    Doc-tests polynom
[INFO] [stdout] test polynomial::tests::test_double_negative_subtract ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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::from_ints (line 66) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::new (line 42) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::sub (line 122) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::add (line 92) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::as_string (line 184) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::multiply (line 144) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77bd8e1c4ed2cf62aefd975896bf22c0c9981b672b7000d5f104beef7fbe8fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bd8e1c4ed2cf62aefd975896bf22c0c9981b672b7000d5f104beef7fbe8fd9", kill_on_drop: false }`
[INFO] [stdout] 77bd8e1c4ed2cf62aefd975896bf22c0c9981b672b7000d5f104beef7fbe8fd9