[INFO] updating cached repository https://github.com/lnguyenfx/ml-from-scratch
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnguyenfx%2Fml-from-scratch" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lnguyenfx/ml-from-scratch on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-14/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85a8d566f9b4e1db350558f84db867b0b51dcaf1df886c31a4f2747891960743
[INFO] running `"docker" "start" "-a" "85a8d566f9b4e1db350558f84db867b0b51dcaf1df886c31a4f2747891960743"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling ml-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `"docker" "inspect" "85a8d566f9b4e1db350558f84db867b0b51dcaf1df886c31a4f2747891960743"`
[INFO] running `"docker" "rm" "-f" "85a8d566f9b4e1db350558f84db867b0b51dcaf1df886c31a4f2747891960743"`
[INFO] [stdout] 85a8d566f9b4e1db350558f84db867b0b51dcaf1df886c31a4f2747891960743
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04634eabb931bed0300cc3e9ec31be2bb5a6627333bc8b15b18ee2274f348af4
[INFO] running `"docker" "start" "-a" "04634eabb931bed0300cc3e9ec31be2bb5a6627333bc8b15b18ee2274f348af4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ml-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "04634eabb931bed0300cc3e9ec31be2bb5a6627333bc8b15b18ee2274f348af4"`
[INFO] running `"docker" "rm" "-f" "04634eabb931bed0300cc3e9ec31be2bb5a6627333bc8b15b18ee2274f348af4"`
[INFO] [stdout] 04634eabb931bed0300cc3e9ec31be2bb5a6627333bc8b15b18ee2274f348af4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 7cfe128baa1478986cd687dcd952e0ce7e49870c755b2f833885bfd2b10c7fc9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7cfe128baa1478986cd687dcd952e0ce7e49870c755b2f833885bfd2b10c7fc9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ml_from_scratch-39de54535829f190
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test matrix::test::test_return_matrix_as_vector ... ok
[INFO] [stdout] test matrix::test::test_matrix_map ... ok
[INFO] [stdout] test matrix::test::test_matrix_clone ... ok
[INFO] [stdout] test matrix::test::test_matrix_map_with_index ... ok
[INFO] [stdout] test matrix::test::test_create_matrix_from_vector ... ok
[INFO] [stdout] test matrix::test::test_matrix_transpose ... 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 matrix::test::test_matrix_subtract_valid ... ok
[INFO] [stdout] test matrix::test::test_matrix_dot_prod_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_set_weights ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_outputs_for_one_layer ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_errors ... ok
[INFO] [stdout] test neural_network::test::test_nn_get_deltas ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_valid ... ok
[INFO] [stdout] test matrix::test::test_matrix_add_valid ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_at_valid_index ... ok
[INFO] [stdout] test neural_network::test::test_nn_randomize_weights ... ok
[INFO] [stdout] test matrix::test::test_matrix_subtract_invalid_dimensions ... ok
[INFO] [stdout] test matrix::test::test_matrix_add_invalid_dimensions ... ok
[INFO] [stdout] test matrix::test::test_set_matrix_at_invalid_index ... ok
[INFO] [stdout] test matrix::test::test_matrix_dot_prod_invalid_dimensions ... 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-3518f0aebcf32da2
[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" "7cfe128baa1478986cd687dcd952e0ce7e49870c755b2f833885bfd2b10c7fc9"`
[INFO] running `"docker" "rm" "-f" "7cfe128baa1478986cd687dcd952e0ce7e49870c755b2f833885bfd2b10c7fc9"`
[INFO] [stdout] 7cfe128baa1478986cd687dcd952e0ce7e49870c755b2f833885bfd2b10c7fc9