[INFO] fetching crate math-concept 0.0.3...
[INFO] testing math-concept-0.0.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate math-concept 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate math-concept 0.0.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 79ac8deb2140e223f8cbe14212845947d8bf8c50c6f5cb8192a9a663fe6dfa95
[INFO] running `Command { std: "docker" "start" "-a" "79ac8deb2140e223f8cbe14212845947d8bf8c50c6f5cb8192a9a663fe6dfa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79ac8deb2140e223f8cbe14212845947d8bf8c50c6f5cb8192a9a663fe6dfa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ac8deb2140e223f8cbe14212845947d8bf8c50c6f5cb8192a9a663fe6dfa95", kill_on_drop: false }`
[INFO] [stdout] 79ac8deb2140e223f8cbe14212845947d8bf8c50c6f5cb8192a9a663fe6dfa95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 6241040b6a3178cb6398c7dd068f709028e085b66af2eb5de104a213473f2103
[INFO] running `Command { std: "docker" "start" "-a" "6241040b6a3178cb6398c7dd068f709028e085b66af2eb5de104a213473f2103", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "6241040b6a3178cb6398c7dd068f709028e085b66af2eb5de104a213473f2103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6241040b6a3178cb6398c7dd068f709028e085b66af2eb5de104a213473f2103", kill_on_drop: false }`
[INFO] [stdout] 6241040b6a3178cb6398c7dd068f709028e085b66af2eb5de104a213473f2103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354f1359c32ce2ebb07dfce4e83515c2a10fb0eb74cc209041ffd80f0e6064bd
[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" "354f1359c32ce2ebb07dfce4e83515c2a10fb0eb74cc209041ffd80f0e6064bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "354f1359c32ce2ebb07dfce4e83515c2a10fb0eb74cc209041ffd80f0e6064bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354f1359c32ce2ebb07dfce4e83515c2a10fb0eb74cc209041ffd80f0e6064bd", kill_on_drop: false }`
[INFO] [stdout] 354f1359c32ce2ebb07dfce4e83515c2a10fb0eb74cc209041ffd80f0e6064bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b16325a80fffbab7a8c0c3d5f02c035c4bbf31a0c7ef3ae33a9b288ac7af18f6
[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" "b16325a80fffbab7a8c0c3d5f02c035c4bbf31a0c7ef3ae33a9b288ac7af18f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math_concept-cb79a1823fbb49d6
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test lalg::matrix::tests::mutates_element_at ... ok
[INFO] [stdout] test lalg::matrix::tests::gets_correct_element ... 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::maps_properly ... ok
[INFO] [stdout] test lalg::matrix::tests::matrix_multiplication_is_not_commutative ... ok
[INFO] [stdout] test lalg::matrix::tests::adds_two_matrices ... ok
[INFO] [stdout] test lalg::matrix::tests::diagonal_panics_when_matrix_is_not_square ... ok
[INFO] [stdout] test lalg::matrix::tests::mult_panics_when_dimensions_dont_match ... ok
[INFO] [stdout] test lalg::matrix::tests::panics_when_out_of_bounds ... ok
[INFO] [stdout] test lalg::matrix::tests::add_panics_when_matrices_differ_in_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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 (line 21) ... 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] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b16325a80fffbab7a8c0c3d5f02c035c4bbf31a0c7ef3ae33a9b288ac7af18f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16325a80fffbab7a8c0c3d5f02c035c4bbf31a0c7ef3ae33a9b288ac7af18f6", kill_on_drop: false }`
[INFO] [stdout] b16325a80fffbab7a8c0c3d5f02c035c4bbf31a0c7ef3ae33a9b288ac7af18f6