[INFO] cloning repository https://github.com/razorih/advent-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/razorih/advent-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazorih%2Fadvent-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazorih%2Fadvent-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 883b9584d23bd2026e3a6831bf91f29953afed2e
[INFO] checking razorih/advent-2023 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazorih%2Fadvent-2023" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/razorih/advent-2023
[INFO] finished tweaking git repo https://github.com/razorih/advent-2023
[INFO] tweaked toml for git repo https://github.com/razorih/advent-2023 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/razorih/advent-2023 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/razorih/advent-2023 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ff134d13c734a788574dac4f4c269a7ada01bb58f9fd6c65b7818857f3ffb60
[INFO] running `Command { std: "docker" "start" "-a" "4ff134d13c734a788574dac4f4c269a7ada01bb58f9fd6c65b7818857f3ffb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff134d13c734a788574dac4f4c269a7ada01bb58f9fd6c65b7818857f3ffb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff134d13c734a788574dac4f4c269a7ada01bb58f9fd6c65b7818857f3ffb60", kill_on_drop: false }`
[INFO] [stdout] 4ff134d13c734a788574dac4f4c269a7ada01bb58f9fd6c65b7818857f3ffb60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38e27f23e70f2ae1e0a71c846e906e9fdaac31507580ffe9b86dc77908b3627
[INFO] running `Command { std: "docker" "start" "-a" "c38e27f23e70f2ae1e0a71c846e906e9fdaac31507580ffe9b86dc77908b3627", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking grid v0.12.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `silver` is never used
[INFO] [stdout]   --> src/bin/day08.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn silver(
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Instructions, Infallible>
[INFO] [stdout]   --> src/bin/day08.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 34 | |         Ok(Self {
[INFO] [stdout] 35 | |             dirs: s.chars().map(|c| match c {
[INFO] [stdout] 36 | |                 'L' => Direction::Left,
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         })
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Instructions, Infallible>
[INFO] [stdout]   --> src/bin/day08.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         Ok(Self {
[INFO] [stdout] 35 | |             dirs: s.chars().map(|c| match c {
[INFO] [stdout] 36 | |                 'L' => Direction::Left,
[INFO] [stdout] 37 | |                 'R' => Direction::Right,
[INFO] [stdout] 38 | |                 _   => panic!("invalid direction"),
[INFO] [stdout] 39 | |             }).collect()
[INFO] [stdout] 40 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Instructions, Infallible>
[INFO] [stdout]    --> src/bin/day08.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let instructions: Instructions = lines.next().unwrap().parse().unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent` (bin "day08" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c38e27f23e70f2ae1e0a71c846e906e9fdaac31507580ffe9b86dc77908b3627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38e27f23e70f2ae1e0a71c846e906e9fdaac31507580ffe9b86dc77908b3627", kill_on_drop: false }`
[INFO] [stdout] c38e27f23e70f2ae1e0a71c846e906e9fdaac31507580ffe9b86dc77908b3627