[INFO] cloning repository https://github.com/blakehawkins/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakehawkins/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7038dfe43292ec679a4c3c53313b45e8ce8fd63
[INFO] checking blakehawkins/aoc-2021 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Faoc-2021" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blakehawkins/aoc-2021
[INFO] finished tweaking git repo https://github.com/blakehawkins/aoc-2021
[INFO] tweaked toml for git repo https://github.com/blakehawkins/aoc-2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blakehawkins/aoc-2021 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blakehawkins/aoc-2021 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291
[INFO] running `Command { std: "docker" "start" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291", 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" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291", 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" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking oops v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |         input.retain(|bin| (bin[idx] == select));
[INFO] [stdout]     |                            ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -         input.retain(|bin| (bin[idx] == select));
[INFO] [stdout] 160 +         input.retain(|bin| bin[idx] == select);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |         input.retain(|bin| (bin[idx] == select));
[INFO] [stdout]     |                            ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -         input.retain(|bin| (bin[idx] == select));
[INFO] [stdout] 160 +         input.retain(|bin| bin[idx] == select);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bits` is never constructed
[INFO] [stdout]     --> src/main.rs:1630:12
[INFO] [stdout]      |
[INFO] [stdout] 1630 |     struct Bits(Vec<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: trait `MeasurableHeight` is never used
[INFO] [stdout]     --> src/main.rs:1853:11
[INFO] [stdout]      |
[INFO] [stdout] 1853 |     trait MeasurableHeight {
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bits` is never constructed
[INFO] [stdout]     --> src/main.rs:1630:12
[INFO] [stdout]      |
[INFO] [stdout] 1630 |     struct Bits(Vec<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: trait `MeasurableHeight` is never used
[INFO] [stdout]     --> src/main.rs:1853:11
[INFO] [stdout]      |
[INFO] [stdout] 1853 |     trait MeasurableHeight {
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291", kill_on_drop: false }`
[INFO] [stdout] cabb53f14edece3ae3ce46bdfb17e44cfdf00da534dbebb018631549391a4291
