[INFO] cloning repository https://github.com/dnorman/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/dnorman/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnorman%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnorman%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 206f67ee444a74cdfdf2e3457e2a619e0a374fba
[INFO] building dnorman/advent-of-code-2021 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnorman%2Fadvent-of-code-2021" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnorman/advent-of-code-2021 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dnorman/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/dnorman/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/dnorman/advent-of-code-2021 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/dnorman/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ec71f58eab351c0c2f9ca30f265511d3987586698c713c66a896d4ab3db9b61
[INFO] running `Command { std: "docker" "start" "-a" "8ec71f58eab351c0c2f9ca30f265511d3987586698c713c66a896d4ab3db9b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec71f58eab351c0c2f9ca30f265511d3987586698c713c66a896d4ab3db9b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec71f58eab351c0c2f9ca30f265511d3987586698c713c66a896d4ab3db9b61", kill_on_drop: false }`
[INFO] [stdout] 8ec71f58eab351c0c2f9ca30f265511d3987586698c713c66a896d4ab3db9b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b49365a94bf68067e011fba0c6993bf6458a96bc015ebbce9d3bf6367976ba2
[INFO] running `Command { std: "docker" "start" "-a" "9b49365a94bf68067e011fba0c6993bf6458a96bc015ebbce9d3bf6367976ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
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[INFO] [stderr]    Compiling tracing-futures v0.2.5
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[INFO] [stderr]    Compiling aocf v0.1.15
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `retain_mut::RetainMut`
[INFO] [stdout]   --> src/challenge/day4p2.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         use retain_mut::RetainMut;
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "9b49365a94bf68067e011fba0c6993bf6458a96bc015ebbce9d3bf6367976ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b49365a94bf68067e011fba0c6993bf6458a96bc015ebbce9d3bf6367976ba2", kill_on_drop: false }`
[INFO] [stdout] 9b49365a94bf68067e011fba0c6993bf6458a96bc015ebbce9d3bf6367976ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea26c1c678aad6eb5fbecf596a3e6cec138c11676edce53dc5028f3268a72265
[INFO] running `Command { std: "docker" "start" "-a" "ea26c1c678aad6eb5fbecf596a3e6cec138c11676edce53dc5028f3268a72265", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `retain_mut::RetainMut`
[INFO] [stdout]   --> src/challenge/day4p2.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         use retain_mut::RetainMut;
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.00s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2021-7d18dfa982c82a49)
[INFO] running `Command { std: "docker" "inspect" "ea26c1c678aad6eb5fbecf596a3e6cec138c11676edce53dc5028f3268a72265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea26c1c678aad6eb5fbecf596a3e6cec138c11676edce53dc5028f3268a72265", kill_on_drop: false }`
[INFO] [stdout] ea26c1c678aad6eb5fbecf596a3e6cec138c11676edce53dc5028f3268a72265