[INFO] cloning repository https://github.com/mikky-j/advent_of_code_2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikky-j/advent_of_code_2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikky-j%2Fadvent_of_code_2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikky-j%2Fadvent_of_code_2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51bf197c02fa5da3345dd0f3530c56239e9cfa8d
[INFO] checking mikky-j/advent_of_code_2022 against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikky-j%2Fadvent_of_code_2022" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mikky-j/advent_of_code_2022
[INFO] finished tweaking git repo https://github.com/mikky-j/advent_of_code_2022
[INFO] tweaked toml for git repo https://github.com/mikky-j/advent_of_code_2022 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mikky-j/advent_of_code_2022 on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mikky-j/advent_of_code_2022 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" "+5b237c915528dadada3f674b90c7c80368b632be" "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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60
[INFO] running `Command { std: "docker" "start" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking adventofcode2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (mut head_row, mut head_col) = (0isize, 0isize);
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let (mut tail_row, mut tail_col) = (0isize, 0isize);
[INFO] [stdout]   |          ----^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut v = Vec::<usize>::new();
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head_row`
[INFO] [stdout]  --> src/day9.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (mut head_row, mut head_col) = (0isize, 0isize);
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_head_row`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/day9.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut v = Vec::<usize>::new();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw` is never used
[INFO] [stdout]   --> src/day7.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Directory<'a> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn draw(&self, level: u8) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (mut head_row, mut head_col) = (0isize, 0isize);
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let (mut tail_row, mut tail_col) = (0isize, 0isize);
[INFO] [stdout]   |          ----^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut v = Vec::<usize>::new();
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head_row`
[INFO] [stdout]  --> src/day9.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (mut head_row, mut head_col) = (0isize, 0isize);
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_head_row`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/day9.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut v = Vec::<usize>::new();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw` is never used
[INFO] [stdout]   --> src/day7.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Directory<'a> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn draw(&self, level: u8) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60", kill_on_drop: false }`
[INFO] [stdout] 54b7118b04f1160b9d19d040ed1b72f17b2cf1d1731349f1c286fba41edebb60
