[INFO] cloning repository https://github.com/psytrx/aoc2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psytrx/aoc2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsytrx%2Faoc2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsytrx%2Faoc2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5725fb627f2cf54722635a15301910db3f686468
[INFO] checking psytrx/aoc2023 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsytrx%2Faoc2023" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psytrx/aoc2023
[INFO] finished tweaking git repo https://github.com/psytrx/aoc2023
[INFO] tweaked toml for git repo https://github.com/psytrx/aoc2023 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psytrx/aoc2023 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psytrx/aoc2023 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fp-core v0.1.9
[INFO] [stderr]   Downloaded memoize-inner v0.4.3
[INFO] [stderr]   Downloaded anstream v0.6.17
[INFO] [stderr]   Downloaded daachorse v1.0.0
[INFO] [stderr]   Downloaded anstyle v1.0.9
[INFO] [stderr]   Downloaded measure_time v0.8.3
[INFO] [stderr]   Downloaded memoize v0.4.2
[INFO] [stderr]   Downloaded anyhow v1.0.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da48b3b9624345a072269d1c90b5ed2eb6249659f3cc98ed7e4655ec6359e6a
[INFO] running `Command { std: "docker" "start" "-a" "6da48b3b9624345a072269d1c90b5ed2eb6249659f3cc98ed7e4655ec6359e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da48b3b9624345a072269d1c90b5ed2eb6249659f3cc98ed7e4655ec6359e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da48b3b9624345a072269d1c90b5ed2eb6249659f3cc98ed7e4655ec6359e6a", kill_on_drop: false }`
[INFO] [stdout] 6da48b3b9624345a072269d1c90b5ed2eb6249659f3cc98ed7e4655ec6359e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044f6b248b0fd559352d7074136dfe766002496b85e75cfb632f97d4fbfb66df
[INFO] running `Command { std: "docker" "start" "-a" "044f6b248b0fd559352d7074136dfe766002496b85e75cfb632f97d4fbfb66df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking anstyle v1.0.9
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.91
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking measure_time v0.8.3
[INFO] [stderr]     Checking daachorse v1.0.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking anstream v0.6.17
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fp-core v0.1.9
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling memoize-inner v0.4.3
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking memoize v0.4.2
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(linked_list_remove)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(linked_list_remove)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/problems/day_23.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_two(input: &str) -> anyhow::Result<String> {
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/problems/day_23.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_two(input: &str) -> anyhow::Result<String> {
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/problems/day_25.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut g = parse_input(input)?;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/problems/day_25.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut g = parse_input(input)?;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/problems/day_25.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut g = parse_input(input)?;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/problems/day_25.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut g = parse_input(input)?;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2023` (bin "aoc2023" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2023` (bin "aoc2023") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "044f6b248b0fd559352d7074136dfe766002496b85e75cfb632f97d4fbfb66df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044f6b248b0fd559352d7074136dfe766002496b85e75cfb632f97d4fbfb66df", kill_on_drop: false }`
[INFO] [stdout] 044f6b248b0fd559352d7074136dfe766002496b85e75cfb632f97d4fbfb66df
