[INFO] cloning repository https://github.com/TwentyFiveSoftware/adventofcode-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TwentyFiveSoftware/adventofcode-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwentyFiveSoftware%2Fadventofcode-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwentyFiveSoftware%2Fadventofcode-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6781b1eb572b6885e9852800797e6d8dd5c6a678
[INFO] checking TwentyFiveSoftware/adventofcode-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%2FTwentyFiveSoftware%2Fadventofcode-2023" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/TwentyFiveSoftware/adventofcode-2023
[INFO] finished tweaking git repo https://github.com/TwentyFiveSoftware/adventofcode-2023
[INFO] tweaked toml for git repo https://github.com/TwentyFiveSoftware/adventofcode-2023 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TwentyFiveSoftware/adventofcode-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/TwentyFiveSoftware/adventofcode-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5171d00a2f222752d59a6b96440b82b4002d1b3f05b73ed7ebf710042f0f07c4
[INFO] running `Command { std: "docker" "start" "-a" "5171d00a2f222752d59a6b96440b82b4002d1b3f05b73ed7ebf710042f0f07c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5171d00a2f222752d59a6b96440b82b4002d1b3f05b73ed7ebf710042f0f07c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5171d00a2f222752d59a6b96440b82b4002d1b3f05b73ed7ebf710042f0f07c4", kill_on_drop: false }`
[INFO] [stdout] 5171d00a2f222752d59a6b96440b82b4002d1b3f05b73ed7ebf710042f0f07c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7cf92e0c34dd9361a2cb8ae03e43342579360e37677e0c43c52fad825f4d717d
[INFO] running `Command { std: "docker" "start" "-a" "7cf92e0c34dd9361a2cb8ae03e43342579360e37677e0c43c52fad825f4d717d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking adventofcode-2023 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day08.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let node_id = String::from_str(groups.get(1).unwrap().as_str()).unwrap();
[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<String, Infallible>
[INFO] [stdout]   --> src/day08.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let left_child = String::from_str(groups.get(2).unwrap().as_str()).unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day08.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let right_child = String::from_str(groups.get(3).unwrap().as_str()).unwrap();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2023` (bin "adventofcode-2023") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day08.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let node_id = String::from_str(groups.get(1).unwrap().as_str()).unwrap();
[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<String, Infallible>
[INFO] [stdout]   --> src/day08.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let left_child = String::from_str(groups.get(2).unwrap().as_str()).unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day08.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let right_child = String::from_str(groups.get(3).unwrap().as_str()).unwrap();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2023` (bin "adventofcode-2023" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7cf92e0c34dd9361a2cb8ae03e43342579360e37677e0c43c52fad825f4d717d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf92e0c34dd9361a2cb8ae03e43342579360e37677e0c43c52fad825f4d717d", kill_on_drop: false }`
[INFO] [stdout] 7cf92e0c34dd9361a2cb8ae03e43342579360e37677e0c43c52fad825f4d717d