[INFO] cloning repository https://github.com/lbhdc/motherbrain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbhdc/motherbrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbhdc%2Fmotherbrain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbhdc%2Fmotherbrain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27316d08ab31ce8c15751f655b3ab142302e77ca
[INFO] testing lbhdc/motherbrain against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbhdc%2Fmotherbrain" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lbhdc/motherbrain 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 git repo https://github.com/lbhdc/motherbrain
[INFO] finished tweaking git repo https://github.com/lbhdc/motherbrain
[INFO] tweaked toml for git repo https://github.com/lbhdc/motherbrain written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/lbhdc/motherbrain already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8c52f6559e28fd6e3469586942bd9b614600797445a19ad234d5a652c230e0
[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" "4b8c52f6559e28fd6e3469586942bd9b614600797445a19ad234d5a652c230e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8c52f6559e28fd6e3469586942bd9b614600797445a19ad234d5a652c230e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8c52f6559e28fd6e3469586942bd9b614600797445a19ad234d5a652c230e0", kill_on_drop: false }`
[INFO] [stdout] 4b8c52f6559e28fd6e3469586942bd9b614600797445a19ad234d5a652c230e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/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] 11deaa356a1377c71423d6e80dc5deab9591b0a5628adb215e062de0234be1c8
[INFO] running `Command { std: "docker" "start" "-a" "11deaa356a1377c71423d6e80dc5deab9591b0a5628adb215e062de0234be1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling motherbrain v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "11deaa356a1377c71423d6e80dc5deab9591b0a5628adb215e062de0234be1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11deaa356a1377c71423d6e80dc5deab9591b0a5628adb215e062de0234be1c8", kill_on_drop: false }`
[INFO] [stdout] 11deaa356a1377c71423d6e80dc5deab9591b0a5628adb215e062de0234be1c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 18243d033e271977ea2c0fdcb80222cfe00b6d55dd679919cf125b722f957f79
[INFO] running `Command { std: "docker" "start" "-a" "18243d033e271977ea2c0fdcb80222cfe00b6d55dd679919cf125b722f957f79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling motherbrain v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "18243d033e271977ea2c0fdcb80222cfe00b6d55dd679919cf125b722f957f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18243d033e271977ea2c0fdcb80222cfe00b6d55dd679919cf125b722f957f79", kill_on_drop: false }`
[INFO] [stdout] 18243d033e271977ea2c0fdcb80222cfe00b6d55dd679919cf125b722f957f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4640bed93472cd5d4978a1b01b984e47d70b1c5e2a39ef08a7130e0eae9701a2
[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" "4640bed93472cd5d4978a1b01b984e47d70b1c5e2a39ef08a7130e0eae9701a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/motherbrain-92d669927248afa8
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test matrix::matrix::tests::at_selects_a_value ... ok
[INFO] [stdout] test nn::layers::dense::tests::forward_pass_happy_path ... ok
[INFO] [stdout] test matrix::random::tests::random_produces_valid_matrix ... ok
[INFO] [stdout] test matrix::matrix::tests::new_produces_expected_matrix ... ok
[INFO] [stdout] test matrix::ops::add::tests::add_func_adds ... ok
[INFO] [stdout] test matrix::matrix::tests::slice_selects_a_subslice ... ok
[INFO] [stdout] test matrix::matrix::tests::set_at_updates_a_matrix ... ok
[INFO] [stdout] test matrix::ops::dot::tests::dot_func_dots ... ok
[INFO] [stdout] test matrix::ops::mul::tests::add_func_adds ... ok
[INFO] [stdout] test matrix::matrix::tests::transpose_rotates_as_expected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests motherbrain
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4640bed93472cd5d4978a1b01b984e47d70b1c5e2a39ef08a7130e0eae9701a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4640bed93472cd5d4978a1b01b984e47d70b1c5e2a39ef08a7130e0eae9701a2", kill_on_drop: false }`
[INFO] [stdout] 4640bed93472cd5d4978a1b01b984e47d70b1c5e2a39ef08a7130e0eae9701a2