[INFO] cloning repository https://github.com/ertucode/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ertucode/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fertucode%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fertucode%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a3750adb8c64f141783854e5bd2426fbe038728
[INFO] checking ertucode/advent-of-code against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fertucode%2Fadvent-of-code" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ertucode/advent-of-code on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ertucode/advent-of-code
[INFO] finished tweaking git repo https://github.com/ertucode/advent-of-code
[INFO] tweaked toml for git repo https://github.com/ertucode/advent-of-code written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ertucode/advent-of-code 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf528b3b2837d1027e3052f617bd2f00f367cfcb09b818c713779df3eed3a7e
[INFO] running `Command { std: "docker" "start" "-a" "fbf528b3b2837d1027e3052f617bd2f00f367cfcb09b818c713779df3eed3a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf528b3b2837d1027e3052f617bd2f00f367cfcb09b818c713779df3eed3a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf528b3b2837d1027e3052f617bd2f00f367cfcb09b818c713779df3eed3a7e", kill_on_drop: false }`
[INFO] [stdout] fbf528b3b2837d1027e3052f617bd2f00f367cfcb09b818c713779df3eed3a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b63b0a9e482d42c8a6cba4da3a7beb323090e69cccdafe97a984ec777fc69bd
[INFO] running `Command { std: "docker" "start" "-a" "8b63b0a9e482d42c8a6cba4da3a7beb323090e69cccdafe97a984ec777fc69bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ingredients`
[INFO] [stdout]   --> src/y2015/day15.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let ingredients: Vec<Ingredient> = input
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingredients`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity`, `durability`, `flavor`, `texture`, and `calories` are never read
[INFO] [stdout]   --> src/y2015/day15.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | struct Ingredient {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 6  |     capacity: isize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 7  |     durability: isize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 8  |     flavor: isize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     texture: isize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     calories: isize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingredients`
[INFO] [stdout]   --> src/y2015/day15.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let ingredients: Vec<Ingredient> = input
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingredients`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity`, `durability`, `flavor`, `texture`, and `calories` are never read
[INFO] [stdout]   --> src/y2015/day15.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | struct Ingredient {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 6  |     capacity: isize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 7  |     durability: isize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 8  |     flavor: isize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     texture: isize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     calories: isize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "8b63b0a9e482d42c8a6cba4da3a7beb323090e69cccdafe97a984ec777fc69bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b63b0a9e482d42c8a6cba4da3a7beb323090e69cccdafe97a984ec777fc69bd", kill_on_drop: false }`
[INFO] [stdout] 8b63b0a9e482d42c8a6cba4da3a7beb323090e69cccdafe97a984ec777fc69bd