[INFO] cloning repository https://github.com/rm-rf-etc/basic_ml_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rm-rf-etc/basic_ml_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-rf-etc%2Fbasic_ml_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-rf-etc%2Fbasic_ml_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2195ee0bca4540edcb2e60e3c0b05e8facb021af
[INFO] testing rm-rf-etc/basic_ml_in_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-rf-etc%2Fbasic_ml_in_rust" "/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/rm-rf-etc/basic_ml_in_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rm-rf-etc/basic_ml_in_rust
[INFO] finished tweaking git repo https://github.com/rm-rf-etc/basic_ml_in_rust
[INFO] tweaked toml for git repo https://github.com/rm-rf-etc/basic_ml_in_rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/rm-rf-etc/basic_ml_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c21d894c4a3659f6f1ed0d0738640ea6bf4b715edd4d561ef16bbc21bd95ad1a
[INFO] running `Command { std: "docker" "start" "-a" "c21d894c4a3659f6f1ed0d0738640ea6bf4b715edd4d561ef16bbc21bd95ad1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c21d894c4a3659f6f1ed0d0738640ea6bf4b715edd4d561ef16bbc21bd95ad1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21d894c4a3659f6f1ed0d0738640ea6bf4b715edd4d561ef16bbc21bd95ad1a", kill_on_drop: false }`
[INFO] [stdout] c21d894c4a3659f6f1ed0d0738640ea6bf4b715edd4d561ef16bbc21bd95ad1a
[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" "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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a116bc03638a03a197f02f1c08a380678132d37c9bf09509a2a23008ffbd22f8
[INFO] running `Command { std: "docker" "start" "-a" "a116bc03638a03a197f02f1c08a380678132d37c9bf09509a2a23008ffbd22f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling basic_ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.81s
[INFO] running `Command { std: "docker" "inspect" "a116bc03638a03a197f02f1c08a380678132d37c9bf09509a2a23008ffbd22f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a116bc03638a03a197f02f1c08a380678132d37c9bf09509a2a23008ffbd22f8", kill_on_drop: false }`
[INFO] [stdout] a116bc03638a03a197f02f1c08a380678132d37c9bf09509a2a23008ffbd22f8
[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" "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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8627296994d726a4a564f31cf6014031f0c7d6341babb8a132d8c8aa5cb8a198
[INFO] running `Command { std: "docker" "start" "-a" "8627296994d726a4a564f31cf6014031f0c7d6341babb8a132d8c8aa5cb8a198", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "8627296994d726a4a564f31cf6014031f0c7d6341babb8a132d8c8aa5cb8a198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8627296994d726a4a564f31cf6014031f0c7d6341babb8a132d8c8aa5cb8a198", kill_on_drop: false }`
[INFO] [stdout] 8627296994d726a4a564f31cf6014031f0c7d6341babb8a132d8c8aa5cb8a198
[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" "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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 397cd1b49cf38049fcf8ade97ded661d08baaec46ec5d80e18e0dbb5d947c455
[INFO] running `Command { std: "docker" "start" "-a" "397cd1b49cf38049fcf8ade97ded661d08baaec46ec5d80e18e0dbb5d947c455", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_ml-df76bab09707fd1a)
[INFO] [stdout] test matrix2d::tests::test_sum_keepdims ... ok
[INFO] [stdout] test matrix2d::tests::test_new_rand ... ok
[INFO] [stdout] test ml::tests::test_compute_cost ... ok
[INFO] [stdout] test ml::tests::test_init_deep_nn_params ... ok
[INFO] [stdout] test ml::tests::test_l_model_backward ... ok
[INFO] [stdout] test ml::tests::test_l_model_forward ... ok
[INFO] [stdout] test ml::tests::test_linear_backward ... ok
[INFO] [stdout] test ml::tests::test_sigmoid ... ok
[INFO] [stdout] test ml::tests::test_update_parameters ... ok
[INFO] [stdout] test ml::tests::test_relu ... ok
[INFO] [stdout] test ml::tests::test_linear_activation_backward ... ok
[INFO] [stdout] test ml::tests::test_linear_activation_forward ... ok
[INFO] [stdout] test ml::tests::test_linear_forward ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "397cd1b49cf38049fcf8ade97ded661d08baaec46ec5d80e18e0dbb5d947c455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397cd1b49cf38049fcf8ade97ded661d08baaec46ec5d80e18e0dbb5d947c455", kill_on_drop: false }`
[INFO] [stdout] 397cd1b49cf38049fcf8ade97ded661d08baaec46ec5d80e18e0dbb5d947c455