[INFO] cloning repository https://github.com/mrtims/advent_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrtims/advent_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrtims%2Fadvent_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrtims%2Fadvent_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 401a1a973a8378ca65c2d7980efe6f12877fb485
[INFO] checking mrtims/advent_2021 against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrtims%2Fadvent_2021" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrtims/advent_2021 on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrtims/advent_2021
[INFO] finished tweaking git repo https://github.com/mrtims/advent_2021
[INFO] tweaked toml for git repo https://github.com/mrtims/advent_2021 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mrtims/advent_2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 179128fa18c4d204459c77270668f390434a73a7e9ba9397c489ae772fd89217
[INFO] running `Command { std: "docker" "start" "-a" "179128fa18c4d204459c77270668f390434a73a7e9ba9397c489ae772fd89217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "179128fa18c4d204459c77270668f390434a73a7e9ba9397c489ae772fd89217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179128fa18c4d204459c77270668f390434a73a7e9ba9397c489ae772fd89217", kill_on_drop: false }`
[INFO] [stdout] 179128fa18c4d204459c77270668f390434a73a7e9ba9397c489ae772fd89217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 733b69372e39961917a8f477803d3c3b97a9341dbdb9b2e22928df87bb67f695
[INFO] running `Command { std: "docker" "start" "-a" "733b69372e39961917a8f477803d3c3b97a9341dbdb9b2e22928df87bb67f695", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking advent_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `explore_basin_size`
[INFO] [stdout]    --> src/bin/day_9.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn explore_basin_size(input: &[Vec<u32>], x: usize, y: usize, width: usize, height: usize) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_left`
[INFO] [stdout]    --> src/bin/day_9.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn points_left(input: &[Vec<u32>], mut x: usize, y: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_right`
[INFO] [stdout]    --> src/bin/day_9.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn points_right(input: &[Vec<u32>], mut x: usize, y: usize, width: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_up`
[INFO] [stdout]    --> src/bin/day_9.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn points_up(input: &[Vec<u32>], x: usize, mut y: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_down`
[INFO] [stdout]    --> src/bin/day_9.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn points_down(input: &[Vec<u32>], x: usize, mut y: usize, height: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `explore_basin_size`
[INFO] [stdout]    --> src/bin/day_9.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn explore_basin_size(input: &[Vec<u32>], x: usize, y: usize, width: usize, height: usize) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_left`
[INFO] [stdout]    --> src/bin/day_9.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn points_left(input: &[Vec<u32>], mut x: usize, y: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_right`
[INFO] [stdout]    --> src/bin/day_9.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn points_right(input: &[Vec<u32>], mut x: usize, y: usize, width: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_up`
[INFO] [stdout]    --> src/bin/day_9.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn points_up(input: &[Vec<u32>], x: usize, mut y: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `points_down`
[INFO] [stdout]    --> src/bin/day_9.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn points_down(input: &[Vec<u32>], x: usize, mut y: usize, height: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "733b69372e39961917a8f477803d3c3b97a9341dbdb9b2e22928df87bb67f695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733b69372e39961917a8f477803d3c3b97a9341dbdb9b2e22928df87bb67f695", kill_on_drop: false }`
[INFO] [stdout] 733b69372e39961917a8f477803d3c3b97a9341dbdb9b2e22928df87bb67f695