[INFO] cloning repository https://github.com/pati08/challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pati08/challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpati08%2Fchallenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpati08%2Fchallenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f56970d5bd09a76aac14715ecd208aa928ee780e
[INFO] checking pati08/challenges against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpati08%2Fchallenges" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pati08/challenges
[INFO] finished tweaking git repo https://github.com/pati08/challenges
[INFO] tweaked toml for git repo https://github.com/pati08/challenges written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pati08/challenges 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/pati08/challenges 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 lru v0.16.2
[INFO] [stderr]   Downloaded z3 v0.19.6
[INFO] [stderr]   Downloaded z3-sys v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3e981aa3a97f9f264e687bfdf6d1bcfa982d5e4b05d1b0021f62384030fbe98f
[INFO] running `Command { std: "docker" "start" "-a" "3e981aa3a97f9f264e687bfdf6d1bcfa982d5e4b05d1b0021f62384030fbe98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e981aa3a97f9f264e687bfdf6d1bcfa982d5e4b05d1b0021f62384030fbe98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e981aa3a97f9f264e687bfdf6d1bcfa982d5e4b05d1b0021f62384030fbe98f", kill_on_drop: false }`
[INFO] [stdout] 3e981aa3a97f9f264e687bfdf6d1bcfa982d5e4b05d1b0021f62384030fbe98f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4deed1ef8c61e8e7cf4b2203ffda0d6fab5c6f98c9bce0351a06c460c06cbe5a
[INFO] running `Command { std: "docker" "start" "-a" "4deed1ef8c61e8e7cf4b2203ffda0d6fab5c6f98c9bce0351a06c460c06cbe5a", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking proc-macro2 v1.0.95
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[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking lru v0.16.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking parking_lot_core v0.9.10
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[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking image v0.25.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking x11rb v0.13.1
[INFO] [stderr]     Checking arboard v3.5.0
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]     Checking challenges-input v0.1.0 (/opt/rustwide/workdir/challenges-input)
[INFO] [stderr]     Checking aoc-helpers v0.1.0 (/opt/rustwide/workdir/aoc-helpers)
[INFO] [stderr]     Checking rowan2025 v0.1.0 (/opt/rustwide/workdir/rowan2025)
[INFO] [stderr]     Checking proc-macros v0.1.0 (/opt/rustwide/workdir/proc-macros)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> rowan2025/src/lib.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let input = DefaultArgs {
[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: `correct_output`
[INFO] [stdout]    --> rowan2025/src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let correct_output = "Analyzing 1 data set(s)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling z3-sys v0.10.3
[INFO] [stderr]     Checking z3 v0.19.6
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir/aoc)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> aoc/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> aoc/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> aoc/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> aoc/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_hash`
[INFO] [stdout]   --> aoc/src/aoc_2025/day08.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     input_hash: u64,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> aoc/src/aoc_2025/day08.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let start = map.keys().next().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l_idx`
[INFO] [stdout]   --> aoc/src/aoc_2025/day10.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .map(|(l_idx, input)| dijkstra(&input))
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_l_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_lines`
[INFO] [stdout]   --> aoc/src/aoc_2025/day10.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let num_lines = input.lines.len();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `presses`
[INFO] [stdout]   --> aoc/src/aoc_2025/day10.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let presses: Vec<usize> = vec![];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_presses`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_lines`
[INFO] [stdout]    --> aoc/src/aoc_2025/day10.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let num_lines = input.lines.len();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (lib) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `input_hash`
[INFO] [stdout]   --> aoc/src/aoc_2025/day08.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     input_hash: u64,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> aoc/src/aoc_2025/day08.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let start = map.keys().next().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l_idx`
[INFO] [stdout]   --> aoc/src/aoc_2025/day10.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .map(|(l_idx, input)| dijkstra(&input))
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_l_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_lines`
[INFO] [stdout]   --> aoc/src/aoc_2025/day10.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let num_lines = input.lines.len();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `presses`
[INFO] [stdout]   --> aoc/src/aoc_2025/day10.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let presses: Vec<usize> = vec![];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_presses`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_lines`
[INFO] [stdout]    --> aoc/src/aoc_2025/day10.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let num_lines = input.lines.len();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4deed1ef8c61e8e7cf4b2203ffda0d6fab5c6f98c9bce0351a06c460c06cbe5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4deed1ef8c61e8e7cf4b2203ffda0d6fab5c6f98c9bce0351a06c460c06cbe5a", kill_on_drop: false }`
[INFO] [stdout] 4deed1ef8c61e8e7cf4b2203ffda0d6fab5c6f98c9bce0351a06c460c06cbe5a
