[INFO] cloning repository https://github.com/ph3337jo-s/rust_perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ph3337jo-s/rust_perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fph3337jo-s%2Frust_perceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fph3337jo-s%2Frust_perceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd26b3eb7ff81e88a02f771855108f342f7f3fcf
[INFO] checking ph3337jo-s/rust_perceptron against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fph3337jo-s%2Frust_perceptron" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ph3337jo-s/rust_perceptron on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ph3337jo-s/rust_perceptron
[INFO] finished tweaking git repo https://github.com/ph3337jo-s/rust_perceptron
[INFO] tweaked toml for git repo https://github.com/ph3337jo-s/rust_perceptron written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ph3337jo-s/rust_perceptron 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8a57fbbd8df60b1c4c0f69e4a45a65fa28e854af236118b139d8248e34e08f1
[INFO] running `Command { std: "docker" "start" "-a" "a8a57fbbd8df60b1c4c0f69e4a45a65fa28e854af236118b139d8248e34e08f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a57fbbd8df60b1c4c0f69e4a45a65fa28e854af236118b139d8248e34e08f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a57fbbd8df60b1c4c0f69e4a45a65fa28e854af236118b139d8248e34e08f1", kill_on_drop: false }`
[INFO] [stdout] a8a57fbbd8df60b1c4c0f69e4a45a65fa28e854af236118b139d8248e34e08f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fdfc2ccce66a4ef49bb4e1ba12bb6de5a1340f7fcdf5cd008b590de3aa3a63b
[INFO] running `Command { std: "docker" "start" "-a" "5fdfc2ccce66a4ef49bb4e1ba12bb6de5a1340f7fcdf5cd008b590de3aa3a63b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HEIGHT`, `WIDTH`, and `layer::Layer`
[INFO] [stdout]  --> src/train.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     WIDTH,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     HEIGHT,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     shape::Shape,
[INFO] [stdout] 5 |     layer::Layer,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HEIGHT`, `WIDTH`, and `layer::Layer`
[INFO] [stdout]  --> src/train.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     WIDTH,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     HEIGHT,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     shape::Shape,
[INFO] [stdout] 5 |     layer::Layer,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "5fdfc2ccce66a4ef49bb4e1ba12bb6de5a1340f7fcdf5cd008b590de3aa3a63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdfc2ccce66a4ef49bb4e1ba12bb6de5a1340f7fcdf5cd008b590de3aa3a63b", kill_on_drop: false }`
[INFO] [stdout] 5fdfc2ccce66a4ef49bb4e1ba12bb6de5a1340f7fcdf5cd008b590de3aa3a63b