[INFO] fetching crate math-concept 0.0.3...
[INFO] testing math-concept-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate math-concept 0.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate math-concept 0.0.3 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 math-concept 0.0.3
[INFO] finished tweaking crates.io crate math-concept 0.0.3
[INFO] tweaked toml for crates.io crate math-concept 0.0.3 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 203744e2942bada342ae293275fbcb96f8ec3226e114a32a1347d34d7030ea5b
[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" "203744e2942bada342ae293275fbcb96f8ec3226e114a32a1347d34d7030ea5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203744e2942bada342ae293275fbcb96f8ec3226e114a32a1347d34d7030ea5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203744e2942bada342ae293275fbcb96f8ec3226e114a32a1347d34d7030ea5b", kill_on_drop: false }`
[INFO] [stdout] 203744e2942bada342ae293275fbcb96f8ec3226e114a32a1347d34d7030ea5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a7ce0d9d0d92d08b26c01f7a671c4dcd04ceadd158bc314277e385613fb82ff2
[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" "a7ce0d9d0d92d08b26c01f7a671c4dcd04ceadd158bc314277e385613fb82ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "a7ce0d9d0d92d08b26c01f7a671c4dcd04ceadd158bc314277e385613fb82ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ce0d9d0d92d08b26c01f7a671c4dcd04ceadd158bc314277e385613fb82ff2", kill_on_drop: false }`
[INFO] [stdout] a7ce0d9d0d92d08b26c01f7a671c4dcd04ceadd158bc314277e385613fb82ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03479ec7a2413448441870758805b796a4a943b58112b8788d159fb97f4ff1e6
[INFO] running `Command { std: "docker" "start" "-a" "03479ec7a2413448441870758805b796a4a943b58112b8788d159fb97f4ff1e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "03479ec7a2413448441870758805b796a4a943b58112b8788d159fb97f4ff1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03479ec7a2413448441870758805b796a4a943b58112b8788d159fb97f4ff1e6", kill_on_drop: false }`
[INFO] [stdout] 03479ec7a2413448441870758805b796a4a943b58112b8788d159fb97f4ff1e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aaaf7a2647d61023cdbc69a34a644b30f302cce27646072623e9c5bb63b77349
[INFO] running `Command { std: "docker" "start" "-a" "aaaf7a2647d61023cdbc69a34a644b30f302cce27646072623e9c5bb63b77349", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/math_concept-81a826ebf770e1c8)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test lalg::matrix::tests::matrix_multiplication_is_not_commutative ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_rows ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_cols ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_diagonal_when_matrix_is_square ... ok
[INFO] [stdout] test lalg::matrix::tests::mutates_element_at ... ok
[INFO] [stdout] test lalg::matrix::tests::maps_properly ... ok
[INFO] [stdout] test lalg::matrix::tests::gets_correct_element ... ok
[INFO] [stdout] test lalg::matrix::tests::adds_two_matrices ... ok
[INFO] [stdout] test lalg::matrix::tests::mult_panics_when_dimensions_dont_match - should panic ... ok
[INFO] [stdout] test lalg::matrix::tests::diagonal_panics_when_matrix_is_not_square - should panic ... ok
[INFO] [stdout] test lalg::matrix::tests::panics_when_out_of_bounds - should panic ... ok
[INFO] [stdout] test lalg::matrix::tests::add_panics_when_matrices_differ_in_size - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.34s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math-concept
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix (line 11) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix<T>::map (line 86) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix<T>::diagonal (line 108) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aaaf7a2647d61023cdbc69a34a644b30f302cce27646072623e9c5bb63b77349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaaf7a2647d61023cdbc69a34a644b30f302cce27646072623e9c5bb63b77349", kill_on_drop: false }`
[INFO] [stdout] aaaf7a2647d61023cdbc69a34a644b30f302cce27646072623e9c5bb63b77349