[INFO] cloning repository https://github.com/phasewalk1/mlp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phasewalk1/mlp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphasewalk1%2Fmlp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphasewalk1%2Fmlp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbfe98d942bbf94612836f6698f9f91dfdf6bd7c
[INFO] testing phasewalk1/mlp-rs against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphasewalk1%2Fmlp-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phasewalk1/mlp-rs on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phasewalk1/mlp-rs
[INFO] finished tweaking git repo https://github.com/phasewalk1/mlp-rs
[INFO] tweaked toml for git repo https://github.com/phasewalk1/mlp-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/phasewalk1/mlp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcbaeb90a6756067b3f6f86946096ef32a922ba6b5ae9be2a58e160441596c6e
[INFO] running `Command { std: "docker" "start" "-a" "fcbaeb90a6756067b3f6f86946096ef32a922ba6b5ae9be2a58e160441596c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcbaeb90a6756067b3f6f86946096ef32a922ba6b5ae9be2a58e160441596c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcbaeb90a6756067b3f6f86946096ef32a922ba6b5ae9be2a58e160441596c6e", kill_on_drop: false }`
[INFO] [stdout] fcbaeb90a6756067b3f6f86946096ef32a922ba6b5ae9be2a58e160441596c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a21f8be576cb396aec754801ef5e015eb89718ac2b74c7982198fbd364c9e6
[INFO] running `Command { std: "docker" "start" "-a" "06a21f8be576cb396aec754801ef5e015eb89718ac2b74c7982198fbd364c9e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling mlp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `random_array2` is never used
[INFO] [stdout]  --> src/util.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn random_array2(rows: usize, cols: usize) -> Array2<f64> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "06a21f8be576cb396aec754801ef5e015eb89718ac2b74c7982198fbd364c9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a21f8be576cb396aec754801ef5e015eb89718ac2b74c7982198fbd364c9e6", kill_on_drop: false }`
[INFO] [stdout] 06a21f8be576cb396aec754801ef5e015eb89718ac2b74c7982198fbd364c9e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee9d9fd06ff3bf20e4f3e017f5ceed7eb036d23b184e2d722854476e46b78a15
[INFO] running `Command { std: "docker" "start" "-a" "ee9d9fd06ff3bf20e4f3e017f5ceed7eb036d23b184e2d722854476e46b78a15", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stdout] warning: function `random_array2` is never used
[INFO] [stdout]  --> src/util.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn random_array2(rows: usize, cols: usize) -> Array2<f64> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mlp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `random_array2` is never used
[INFO] [stdout]  --> src/util.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn random_array2(rows: usize, cols: usize) -> Array2<f64> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ee9d9fd06ff3bf20e4f3e017f5ceed7eb036d23b184e2d722854476e46b78a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9d9fd06ff3bf20e4f3e017f5ceed7eb036d23b184e2d722854476e46b78a15", kill_on_drop: false }`
[INFO] [stdout] ee9d9fd06ff3bf20e4f3e017f5ceed7eb036d23b184e2d722854476e46b78a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 736709900ecf2914153f350f723f062a3357c8a2a9a2ef6845cfaca254c75d8a
[INFO] running `Command { std: "docker" "start" "-a" "736709900ecf2914153f350f723f062a3357c8a2a9a2ef6845cfaca254c75d8a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr] warning: function `random_array2` is never used
[INFO] [stderr]  --> src/util.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub(crate) fn random_array2(rows: usize, cols: usize) -> Array2<f64> {
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mlp-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `mlp-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlp_rs-eb449f7513b998aa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_forward_pass ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mlp_rs
[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" "736709900ecf2914153f350f723f062a3357c8a2a9a2ef6845cfaca254c75d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736709900ecf2914153f350f723f062a3357c8a2a9a2ef6845cfaca254c75d8a", kill_on_drop: false }`
[INFO] [stdout] 736709900ecf2914153f350f723f062a3357c8a2a9a2ef6845cfaca254c75d8a