[INFO] cloning repository https://github.com/scimas/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scimas/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscimas%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscimas%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dfff30ff6d683d14942e378886ef7bcd0f80c64
[INFO] checking scimas/adventofcode2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscimas%2Fadventofcode2020" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scimas/adventofcode2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scimas/adventofcode2020
[INFO] finished tweaking git repo https://github.com/scimas/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/scimas/adventofcode2020 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/scimas/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3cece00399e17663cca64648cc880f4e6f478cc0be94321f487682affa3d0a3
[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" "b3cece00399e17663cca64648cc880f4e6f478cc0be94321f487682affa3d0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3cece00399e17663cca64648cc880f4e6f478cc0be94321f487682affa3d0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3cece00399e17663cca64648cc880f4e6f478cc0be94321f487682affa3d0a3", kill_on_drop: false }`
[INFO] [stdout] b3cece00399e17663cca64648cc880f4e6f478cc0be94321f487682affa3d0a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2bcef13183b3fa8827b4fd1d0a86b50487f2265854ca66e22c6d7370b5e486
[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" "5d2bcef13183b3fa8827b4fd1d0a86b50487f2265854ca66e22c6d7370b5e486", kill_on_drop: false }`
[INFO] [stderr]     Checking parsing v0.1.0 (https://github.com/scimas/parsing#6a929238)
[INFO] [stderr]     Checking adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/day17.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cube_from_grid`
[INFO] [stdout]   --> src/day17.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn cube_from_grid(cycles: usize, grid: &[Vec<u8>]) -> Vec<Vec<Vec<u8>>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cube_simulate_cycles`
[INFO] [stdout]   --> src/day17.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn cube_simulate_cycles(cycles: usize, grid: &[Vec<u8>]) -> Vec<Vec<Vec<u8>>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "5d2bcef13183b3fa8827b4fd1d0a86b50487f2265854ca66e22c6d7370b5e486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2bcef13183b3fa8827b4fd1d0a86b50487f2265854ca66e22c6d7370b5e486", kill_on_drop: false }`
[INFO] [stdout] 5d2bcef13183b3fa8827b4fd1d0a86b50487f2265854ca66e22c6d7370b5e486