[INFO] fetching crate yalal 0.0.1...
[INFO] testing yalal-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate yalal 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yalal 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yalal 0.0.1
[INFO] finished tweaking crates.io crate yalal 0.0.1
[INFO] tweaked toml for crates.io crate yalal 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 28b39cf0ca74bff326e180570c5c6120c7c6e1e16f94714c6594135e5cb1b8b5
[INFO] running `Command { std: "docker" "start" "-a" "28b39cf0ca74bff326e180570c5c6120c7c6e1e16f94714c6594135e5cb1b8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b39cf0ca74bff326e180570c5c6120c7c6e1e16f94714c6594135e5cb1b8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b39cf0ca74bff326e180570c5c6120c7c6e1e16f94714c6594135e5cb1b8b5", kill_on_drop: false }`
[INFO] [stdout] 28b39cf0ca74bff326e180570c5c6120c7c6e1e16f94714c6594135e5cb1b8b5
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a70fea84ed1c8f05bad7843250dcca267c6cc026a0d31de700f24722e612fe6
[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" "7a70fea84ed1c8f05bad7843250dcca267c6cc026a0d31de700f24722e612fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling yalal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "7a70fea84ed1c8f05bad7843250dcca267c6cc026a0d31de700f24722e612fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a70fea84ed1c8f05bad7843250dcca267c6cc026a0d31de700f24722e612fe6", kill_on_drop: false }`
[INFO] [stdout] 7a70fea84ed1c8f05bad7843250dcca267c6cc026a0d31de700f24722e612fe6
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 988a8af95b60c2b05c9be77973cb973d5efc962e11d7a16e27a672c7b560b6b2
[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" "988a8af95b60c2b05c9be77973cb973d5efc962e11d7a16e27a672c7b560b6b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling yalal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "988a8af95b60c2b05c9be77973cb973d5efc962e11d7a16e27a672c7b560b6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988a8af95b60c2b05c9be77973cb973d5efc962e11d7a16e27a672c7b560b6b2", kill_on_drop: false }`
[INFO] [stdout] 988a8af95b60c2b05c9be77973cb973d5efc962e11d7a16e27a672c7b560b6b2
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15e0299e7a857e1fbbb80f163a95906cd9fd756025892762e774fbb413d33782
[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" "15e0299e7a857e1fbbb80f163a95906cd9fd756025892762e774fbb413d33782", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yalal-33fae321411f5f08)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_matrix::test_mul_assign ... ok
[INFO] [stdout] test tests::test_matrix::test_mul ... ok
[INFO] [stdout] test tests::test_matrix::test_interchange ... ok
[INFO] [stdout] test tests::test_matrix::test_dot ... ok
[INFO] [stdout] test tests::test_matrix::test_from ... ok
[INFO] [stdout] test tests::test_matrix::test_replacement ... ok
[INFO] [stdout] test tests::test_matrix::test_scaling ... ok
[INFO] [stdout] test tests::test_vector::test_as_column ... ok
[INFO] [stdout] test tests::test_matrix::test_leading_entry_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yalal
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::try_from (line 30) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::row_switch (line 119) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::mul_assign (line 240) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::from (line 58) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::row_add (line 100) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::row_multiply (line 141) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::leading_entry_column (line 183) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::dot (line 270) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::mul_assign (line 349) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::&'a Matrix::mul (line 326) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::mul (line 214) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::precision (line 162) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15e0299e7a857e1fbbb80f163a95906cd9fd756025892762e774fbb413d33782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e0299e7a857e1fbbb80f163a95906cd9fd756025892762e774fbb413d33782", kill_on_drop: false }`
[INFO] [stdout] 15e0299e7a857e1fbbb80f163a95906cd9fd756025892762e774fbb413d33782