[INFO] cloning repository https://github.com/lnguyenfx/ml-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lnguyenfx/ml-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnguyenfx%2Fml-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnguyenfx%2Fml-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d149e06db85e8d9b63aadf3c0dc4d0964bb2d704
[INFO] testing lnguyenfx/ml-from-scratch against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnguyenfx%2Fml-from-scratch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lnguyenfx/ml-from-scratch 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 git repo https://github.com/lnguyenfx/ml-from-scratch
[INFO] finished tweaking git repo https://github.com/lnguyenfx/ml-from-scratch
[INFO] tweaked toml for git repo https://github.com/lnguyenfx/ml-from-scratch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lnguyenfx/ml-from-scratch already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 519a53436ba969fc7ced43adb579b1a7c34cf2f8de04964b96866f691592de73
[INFO] running `Command { std: "docker" "start" "-a" "519a53436ba969fc7ced43adb579b1a7c34cf2f8de04964b96866f691592de73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "519a53436ba969fc7ced43adb579b1a7c34cf2f8de04964b96866f691592de73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519a53436ba969fc7ced43adb579b1a7c34cf2f8de04964b96866f691592de73", kill_on_drop: false }`
[INFO] [stdout] 519a53436ba969fc7ced43adb579b1a7c34cf2f8de04964b96866f691592de73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62c453b982698eeee91c43c4ece5063acb762679c61473576e2ab49077a38f70
[INFO] running `Command { std: "docker" "start" "-a" "62c453b982698eeee91c43c4ece5063acb762679c61473576e2ab49077a38f70", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling ml-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "62c453b982698eeee91c43c4ece5063acb762679c61473576e2ab49077a38f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c453b982698eeee91c43c4ece5063acb762679c61473576e2ab49077a38f70", kill_on_drop: false }`
[INFO] [stdout] 62c453b982698eeee91c43c4ece5063acb762679c61473576e2ab49077a38f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e69ef2313c5f2afb0b9ff7fa06126124f13c741902c9ae228d35580d415707cd
[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" "e69ef2313c5f2afb0b9ff7fa06126124f13c741902c9ae228d35580d415707cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ml-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "e69ef2313c5f2afb0b9ff7fa06126124f13c741902c9ae228d35580d415707cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69ef2313c5f2afb0b9ff7fa06126124f13c741902c9ae228d35580d415707cd", kill_on_drop: false }`
[INFO] [stdout] e69ef2313c5f2afb0b9ff7fa06126124f13c741902c9ae228d35580d415707cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3eb258c0f6583de31291b11b2a46510ee2ef80d53e2b03fecac197e96c7aa80f
[INFO] running `Command { std: "docker" "start" "-a" "3eb258c0f6583de31291b11b2a46510ee2ef80d53e2b03fecac197e96c7aa80f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ml_from_scratch-80bea7194825f709)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test matrix::test::test_matrix_map_with_index ... ok
[INFO] [stdout] test matrix::test::test_matrix_map ... ok
[INFO] [stdout] test matrix::test::test_matrix_dot_prod_valid ... ok
[INFO] [stdout] test matrix::test::test_matrix_clone ... ok
[INFO] [stdout] test matrix::test::test_matrix_add_valid ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_valid ... ok
[INFO] [stdout] test matrix::test::test_create_matrix_from_vector ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_deltas ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_outputs_for_more_than_one_layer ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_outputs_for_one_layer ... ok
[INFO] [stdout] test neural_network::test::test_nn_randomize_weights ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_at_valid_index ... ok
[INFO] [stdout] test matrix::test::test_matrix_subtract_valid ... ok
[INFO] [stdout] test matrix::test::test_matrix_transpose ... ok
[INFO] [stdout] test matrix::test::test_return_matrix_as_vector ... ok
[INFO] [stdout] test matrix::test::test_empty_matrix ... ok
[INFO] [stdout] test matrix::test::test_matrix_zero_fill ... ok
[INFO] [stdout] test math::tests::test_math_sigmoid ... ok
[INFO] [stdout] test neural_network::test::test_nn_set_weights ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_errors ... ok
[INFO] [stdout] test matrix::test::test_matrix_dot_prod_invalid_dimensions - should panic ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_at_invalid_index - should panic ... ok
[INFO] [stdout] test matrix::test::test_matrix_subtract_invalid_dimensions - should panic ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ml_from_scratch-9a329358ac429cf1)
[INFO] [stdout] test matrix::test::test_matrix_add_invalid_dimensions - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ml-from-scratch
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3eb258c0f6583de31291b11b2a46510ee2ef80d53e2b03fecac197e96c7aa80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb258c0f6583de31291b11b2a46510ee2ef80d53e2b03fecac197e96c7aa80f", kill_on_drop: false }`
[INFO] [stdout] 3eb258c0f6583de31291b11b2a46510ee2ef80d53e2b03fecac197e96c7aa80f