[INFO] cloning repository https://github.com/segura2010/Rust-NeuralNet-IC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segura2010/Rust-NeuralNet-IC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegura2010%2FRust-NeuralNet-IC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegura2010%2FRust-NeuralNet-IC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83b550e0ba13670dcae19ea5b998eede7448edb8
[INFO] checking segura2010/Rust-NeuralNet-IC against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegura2010%2FRust-NeuralNet-IC" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segura2010/Rust-NeuralNet-IC on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/segura2010/Rust-NeuralNet-IC
[INFO] finished tweaking git repo https://github.com/segura2010/Rust-NeuralNet-IC
[INFO] tweaked toml for git repo https://github.com/segura2010/Rust-NeuralNet-IC written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/segura2010/Rust-NeuralNet-IC already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bff8afbd1686f06f4c1b31fa4c9f3290ae48b95459dcd25a42c4e465ce909d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bff8afbd1686f06f4c1b31fa4c9f3290ae48b95459dcd25a42c4e465ce909d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bff8afbd1686f06f4c1b31fa4c9f3290ae48b95459dcd25a42c4e465ce909d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bff8afbd1686f06f4c1b31fa4c9f3290ae48b95459dcd25a42c4e465ce909d2", kill_on_drop: false }`
[INFO] [stdout] 2bff8afbd1686f06f4c1b31fa4c9f3290ae48b95459dcd25a42c4e465ce909d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd997d5ea8717f3f6efb5c2accd8eb6fd607281d7db782a146367fc58a3b9303
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd997d5ea8717f3f6efb5c2accd8eb6fd607281d7db782a146367fc58a3b9303", kill_on_drop: false }`
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking rand v0.3.12
[INFO] [stderr]     Checking redneuronal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `usize: Neg` is not satisfied
[INFO] [stdout]    --> src/main.rs:484:34
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 let mut pesoAnterior = -1;
[INFO] [stdout]     |                                        ^^ the trait `Neg` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `usize: Neg` is not satisfied
[INFO] [stdout]    --> src/main.rs:484:34
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 let mut pesoAnterior = -1;
[INFO] [stdout]     |                                        ^^ the trait `Neg` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redneuronal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bd997d5ea8717f3f6efb5c2accd8eb6fd607281d7db782a146367fc58a3b9303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd997d5ea8717f3f6efb5c2accd8eb6fd607281d7db782a146367fc58a3b9303", kill_on_drop: false }`
[INFO] [stdout] bd997d5ea8717f3f6efb5c2accd8eb6fd607281d7db782a146367fc58a3b9303