[INFO] updating cached repository https://github.com/lnguyenfx/ml-from-scratch
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d149e06db85e8d9b63aadf3c0dc4d0964bb2d704
[INFO] testing lnguyenfx/ml-from-scratch against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnguyenfx%2Fml-from-scratch" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lnguyenfx/ml-from-scratch on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 02e43ae4c35cf5886c69e8505a39d95eb2dd129d4e954beb0ee78ce625d070a6
[INFO] running `"docker" "start" "-a" "02e43ae4c35cf5886c69e8505a39d95eb2dd129d4e954beb0ee78ce625d070a6"`
[INFO] [stderr]    Compiling ml-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "02e43ae4c35cf5886c69e8505a39d95eb2dd129d4e954beb0ee78ce625d070a6"`
[INFO] running `"docker" "rm" "-f" "02e43ae4c35cf5886c69e8505a39d95eb2dd129d4e954beb0ee78ce625d070a6"`
[INFO] [stdout] 02e43ae4c35cf5886c69e8505a39d95eb2dd129d4e954beb0ee78ce625d070a6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2e68f32d01d1d0a863c14a05829516210f9c3bf120d1d4a5e787275f6edc90be
[INFO] running `"docker" "start" "-a" "2e68f32d01d1d0a863c14a05829516210f9c3bf120d1d4a5e787275f6edc90be"`
[INFO] [stderr]    Compiling ml-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "2e68f32d01d1d0a863c14a05829516210f9c3bf120d1d4a5e787275f6edc90be"`
[INFO] running `"docker" "rm" "-f" "2e68f32d01d1d0a863c14a05829516210f9c3bf120d1d4a5e787275f6edc90be"`
[INFO] [stdout] 2e68f32d01d1d0a863c14a05829516210f9c3bf120d1d4a5e787275f6edc90be
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2f257c81941fab8945eda869f9e47e64dbbc44b08de0a47d51a0a40908c7c3c8
[INFO] running `"docker" "start" "-a" "2f257c81941fab8945eda869f9e47e64dbbc44b08de0a47d51a0a40908c7c3c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ml_from_scratch-c9dc0e9a4becc6d1
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test matrix::test::test_empty_matrix ... ok
[INFO] [stdout] test matrix::test::test_create_matrix_from_vector ... ok
[INFO] [stdout] test math::tests::test_math_sigmoid ... 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_map_with_index ... 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_matrix_zero_fill ... 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_set_matrix_at_valid_index ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_deltas ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_outputs_for_one_layer ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_valid ... 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_errors ... ok
[INFO] [stdout] test neural_network::test::test_nn_randomize_weights ... ok
[INFO] [stdout] test neural_network::test::test_nn_set_weights ... ok
[INFO] [stdout] test matrix::test::test_matrix_add_invalid_dimensions ... ok
[INFO] [stdout] test matrix::test::test_matrix_dot_prod_invalid_dimensions ... ok
[INFO] [stdout] test matrix::test::test_matrix_subtract_invalid_dimensions ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_at_invalid_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ml_from_scratch-956955dbca31f6ac
[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] [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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f257c81941fab8945eda869f9e47e64dbbc44b08de0a47d51a0a40908c7c3c8"`
[INFO] running `"docker" "rm" "-f" "2f257c81941fab8945eda869f9e47e64dbbc44b08de0a47d51a0a40908c7c3c8"`
[INFO] [stdout] 2f257c81941fab8945eda869f9e47e64dbbc44b08de0a47d51a0a40908c7c3c8