[INFO] cloning repository https://github.com/ikornaselur/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikornaselur/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikornaselur%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikornaselur%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d00dba7bc5096e148e5cad95bbca6b4565379fa7
[INFO] checking ikornaselur/advent-of-code-2021 against try#0fe3684930279e4d3be3aca66b30f82946ce9ac2 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikornaselur%2Fadvent-of-code-2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikornaselur/advent-of-code-2021 on toolchain 0fe3684930279e4d3be3aca66b30f82946ce9ac2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikornaselur/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/ikornaselur/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/ikornaselur/advent-of-code-2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ikornaselur/advent-of-code-2021 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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c392305d8478888965fbb3940c9e597a3b8556b660a3e09fdec87334a091afc
[INFO] running `Command { std: "docker" "start" "-a" "3c392305d8478888965fbb3940c9e597a3b8556b660a3e09fdec87334a091afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c392305d8478888965fbb3940c9e597a3b8556b660a3e09fdec87334a091afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c392305d8478888965fbb3940c9e597a3b8556b660a3e09fdec87334a091afc", kill_on_drop: false }`
[INFO] [stdout] 3c392305d8478888965fbb3940c9e597a3b8556b660a3e09fdec87334a091afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dad6b30e2e1046f2a359a23ac9df9316d506cacd8548d28e5795360d6f79af15
[INFO] running `Command { std: "docker" "start" "-a" "dad6b30e2e1046f2a359a23ac9df9316d506cacd8548d28e5795360d6f79af15", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day4/main.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |             for mut cell in row.iter_mut() {
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day4Error` is never constructed
[INFO] [stdout]   --> src/day4/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Day4Error(String);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day4/main.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |             for mut cell in row.iter_mut() {
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day4Error` is never constructed
[INFO] [stdout]   --> src/day4/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Day4Error(String);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/advent-of-code-2021-8362355ad8c76c58/test-bin-day4.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "dad6b30e2e1046f2a359a23ac9df9316d506cacd8548d28e5795360d6f79af15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad6b30e2e1046f2a359a23ac9df9316d506cacd8548d28e5795360d6f79af15", kill_on_drop: false }`
[INFO] [stdout] dad6b30e2e1046f2a359a23ac9df9316d506cacd8548d28e5795360d6f79af15