[INFO] cloning repository https://github.com/andrewrjohn/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/andrewrjohn/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewrjohn%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewrjohn%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3329e8ca47b11cfd14512b18b0e5dbb446b4c2c
[INFO] testing andrewrjohn/advent-of-code-2021 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewrjohn%2Fadvent-of-code-2021" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewrjohn/advent-of-code-2021 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewrjohn/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/andrewrjohn/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/andrewrjohn/advent-of-code-2021 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewrjohn/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b3103ca38655f2836a79d2e0c5b14425e694c9617a09cfd666031f4ad01c6bf
[INFO] running `Command { std: "docker" "start" "-a" "0b3103ca38655f2836a79d2e0c5b14425e694c9617a09cfd666031f4ad01c6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b3103ca38655f2836a79d2e0c5b14425e694c9617a09cfd666031f4ad01c6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3103ca38655f2836a79d2e0c5b14425e694c9617a09cfd666031f4ad01c6bf", kill_on_drop: false }`
[INFO] [stdout] 0b3103ca38655f2836a79d2e0c5b14425e694c9617a09cfd666031f4ad01c6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83460f8195d646af56dcaccccaef8486917e4bdbe2adf0c551c135736f63c83
[INFO] running `Command { std: "docker" "start" "-a" "d83460f8195d646af56dcaccccaef8486917e4bdbe2adf0c551c135736f63c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `math`
[INFO] [stdout]   --> src/days/day06.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 use math::round;
[INFO] [stdout]    |                     ^^^^ use of undeclared crate or module `math`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::input_helper`
[INFO] [stdout]  --> src/days/day06.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::input_helper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{integer}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]   --> src/days/day06.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 count += (7 / remaining).floor;
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0610.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2021` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d83460f8195d646af56dcaccccaef8486917e4bdbe2adf0c551c135736f63c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83460f8195d646af56dcaccccaef8486917e4bdbe2adf0c551c135736f63c83", kill_on_drop: false }`
[INFO] [stdout] d83460f8195d646af56dcaccccaef8486917e4bdbe2adf0c551c135736f63c83