[INFO] cloning repository https://github.com/tnlogy/adventofcode23
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tnlogy/adventofcode23" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnlogy%2Fadventofcode23", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnlogy%2Fadventofcode23'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 735a95d2558e92d151c0234d11f6c08a45d7094f
[INFO] checking tnlogy/adventofcode23 against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnlogy%2Fadventofcode23" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tnlogy/adventofcode23
[INFO] finished tweaking git repo https://github.com/tnlogy/adventofcode23
[INFO] tweaked toml for git repo https://github.com/tnlogy/adventofcode23 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tnlogy/adventofcode23 on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tnlogy/adventofcode23 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0712b89895642ab4cccf1b3466cd4f318b2454181a194b110a0e0fed2f949b9e
[INFO] running `Command { std: "docker" "start" "-a" "0712b89895642ab4cccf1b3466cd4f318b2454181a194b110a0e0fed2f949b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0712b89895642ab4cccf1b3466cd4f318b2454181a194b110a0e0fed2f949b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0712b89895642ab4cccf1b3466cd4f318b2454181a194b110a0e0fed2f949b9e", kill_on_drop: false }`
[INFO] [stdout] 0712b89895642ab4cccf1b3466cd4f318b2454181a194b110a0e0fed2f949b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1ecfa22db7434046692c4033e1b92df39ce0f4d044648f44fba61dcaee9f77
[INFO] running `Command { std: "docker" "start" "-a" "2f1ecfa22db7434046692c4033e1b92df39ce0f4d044648f44fba61dcaee9f77", kill_on_drop: false }`
[INFO] [stderr]     Checking advent23 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent23_3.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let mut entry = gears.entry(format!("{}-{}", px, py)).or_insert(Vec::new());
[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: `key`
[INFO] [stdout]   --> src/advent23_3.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for (key, values) in gears.iter() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `valueLen` should have a snake case name
[INFO] [stdout]   --> src/advent23_3.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let valueLen = value.to_string().len();
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `value_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent23_3.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let mut entry = gears.entry(format!("{}-{}", px, py)).or_insert(Vec::new());
[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: `key`
[INFO] [stdout]   --> src/advent23_3.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for (key, values) in gears.iter() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `valueLen` should have a snake case name
[INFO] [stdout]   --> src/advent23_3.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let valueLen = value.to_string().len();
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `value_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent23_1.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut sum = 0;
[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: `sum`
[INFO] [stdout]   --> src/advent23_1.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut sum = 0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scratch` is never used
[INFO] [stdout]  --> src/advent23_4.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn scratch(input: &str, copies: &mut HashMap<u32, u32>) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/advent23_4.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn main() -> io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent23_1.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut sum = 0;
[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: `sum`
[INFO] [stdout]   --> src/advent23_1.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut sum = 0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scratch` is never used
[INFO] [stdout]  --> src/advent23_4.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn scratch(input: &str, copies: &mut HashMap<u32, u32>) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/advent23_4.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn main() -> io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2f1ecfa22db7434046692c4033e1b92df39ce0f4d044648f44fba61dcaee9f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1ecfa22db7434046692c4033e1b92df39ce0f4d044648f44fba61dcaee9f77", kill_on_drop: false }`
[INFO] [stdout] 2f1ecfa22db7434046692c4033e1b92df39ce0f4d044648f44fba61dcaee9f77
