[INFO] cloning repository https://github.com/cedrou/nn-from-scratch-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cedrou/nn-from-scratch-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedrou%2Fnn-from-scratch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedrou%2Fnn-from-scratch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 823d35982e9e1c6e5acbdb30bf1c8b587d0d60b9
[INFO] testing cedrou/nn-from-scratch-rs against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedrou%2Fnn-from-scratch-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cedrou/nn-from-scratch-rs on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cedrou/nn-from-scratch-rs
[INFO] finished tweaking git repo https://github.com/cedrou/nn-from-scratch-rs
[INFO] tweaked toml for git repo https://github.com/cedrou/nn-from-scratch-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/cedrou/nn-from-scratch-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5d9a4c598f19dded6f732a3d0f8a8a26cd3f68269d45342eefb3844ddaf1f9
[INFO] running `Command { std: "docker" "start" "-a" "bc5d9a4c598f19dded6f732a3d0f8a8a26cd3f68269d45342eefb3844ddaf1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5d9a4c598f19dded6f732a3d0f8a8a26cd3f68269d45342eefb3844ddaf1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5d9a4c598f19dded6f732a3d0f8a8a26cd3f68269d45342eefb3844ddaf1f9", kill_on_drop: false }`
[INFO] [stdout] bc5d9a4c598f19dded6f732a3d0f8a8a26cd3f68269d45342eefb3844ddaf1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e7bec1a0e5579074888d169f43924ed2c2b1177909ebde508a598bff59166f
[INFO] running `Command { std: "docker" "start" "-a" "a2e7bec1a0e5579074888d169f43924ed2c2b1177909ebde508a598bff59166f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn-from-scratch-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "a2e7bec1a0e5579074888d169f43924ed2c2b1177909ebde508a598bff59166f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e7bec1a0e5579074888d169f43924ed2c2b1177909ebde508a598bff59166f", kill_on_drop: false }`
[INFO] [stdout] a2e7bec1a0e5579074888d169f43924ed2c2b1177909ebde508a598bff59166f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de63cb41dd82019b087126dadf1ce68f36f83c14acb957885cd5c0e9651b0250
[INFO] running `Command { std: "docker" "start" "-a" "de63cb41dd82019b087126dadf1ce68f36f83c14acb957885cd5c0e9651b0250", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn-from-scratch-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "de63cb41dd82019b087126dadf1ce68f36f83c14acb957885cd5c0e9651b0250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de63cb41dd82019b087126dadf1ce68f36f83c14acb957885cd5c0e9651b0250", kill_on_drop: false }`
[INFO] [stdout] de63cb41dd82019b087126dadf1ce68f36f83c14acb957885cd5c0e9651b0250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 712223f6824a559e6d26d1d37ace915a224cbc78528d0a26635ece1f75afaee7
[INFO] running `Command { std: "docker" "start" "-a" "712223f6824a559e6d26d1d37ace915a224cbc78528d0a26635ece1f75afaee7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nn_from_scratch_rs-3509e2b300de946c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test linspace_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "712223f6824a559e6d26d1d37ace915a224cbc78528d0a26635ece1f75afaee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712223f6824a559e6d26d1d37ace915a224cbc78528d0a26635ece1f75afaee7", kill_on_drop: false }`
[INFO] [stdout] 712223f6824a559e6d26d1d37ace915a224cbc78528d0a26635ece1f75afaee7