[INFO] cloning repository https://github.com/r1sc/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r1sc/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr1sc%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr1sc%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e634fc768f6e7807ca52263904f98991100f53c9
[INFO] checking r1sc/aoc2021 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr1sc%2Faoc2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r1sc/aoc2021
[INFO] finished tweaking git repo https://github.com/r1sc/aoc2021
[INFO] tweaked toml for git repo https://github.com/r1sc/aoc2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r1sc/aoc2021 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/r1sc/aoc2021 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.4.0
[INFO] [stderr]   Downloaded pathfinding v3.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b17d0fd4584671dfe8c46a864a6ccc77a13c2d0c9f306852f47e3869df213f7
[INFO] running `Command { std: "docker" "start" "-a" "3b17d0fd4584671dfe8c46a864a6ccc77a13c2d0c9f306852f47e3869df213f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b17d0fd4584671dfe8c46a864a6ccc77a13c2d0c9f306852f47e3869df213f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b17d0fd4584671dfe8c46a864a6ccc77a13c2d0c9f306852f47e3869df213f7", kill_on_drop: false }`
[INFO] [stdout] 3b17d0fd4584671dfe8c46a864a6ccc77a13c2d0c9f306852f47e3869df213f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a1bb95a2fc02ad13e01a9f937c67d3eac0b9b73f46f273308408363783a7e43
[INFO] running `Command { std: "docker" "start" "-a" "4a1bb95a2fc02ad13e01a9f937c67d3eac0b9b73f46f273308408363783a7e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking pathfinding v3.0.5
[INFO] [stderr]     Checking aoc2021-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day_12.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scan`
[INFO] [stdout]  --> src/day_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::scan;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day_12.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scan`
[INFO] [stdout]  --> src/day_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::scan;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day_12.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn main(data: Vec<&str>) -> (i32, i32) {
[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/day_7.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main(data: Vec<&str>) -> (i32, i32) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day_12.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn main(data: Vec<&str>) -> (i32, i32) {
[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 4.51s
[INFO] running `Command { std: "docker" "inspect" "4a1bb95a2fc02ad13e01a9f937c67d3eac0b9b73f46f273308408363783a7e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1bb95a2fc02ad13e01a9f937c67d3eac0b9b73f46f273308408363783a7e43", kill_on_drop: false }`
[INFO] [stdout] 4a1bb95a2fc02ad13e01a9f937c67d3eac0b9b73f46f273308408363783a7e43