[INFO] cloning repository https://github.com/micke239/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/micke239/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicke239%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicke239%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a4d377dc134e61579b36581b439349dd67cea0a
[INFO] checking micke239/aoc-2021 against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicke239%2Faoc-2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/micke239/aoc-2021 on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/micke239/aoc-2021
[INFO] finished tweaking git repo https://github.com/micke239/aoc-2021
[INFO] tweaked toml for git repo https://github.com/micke239/aoc-2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/micke239/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" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b3c8e113431461ff3484bfe2b2fc3d727fc4a75f4f09c028d723732de0decfd
[INFO] running `Command { std: "docker" "start" "-a" "2b3c8e113431461ff3484bfe2b2fc3d727fc4a75f4f09c028d723732de0decfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3c8e113431461ff3484bfe2b2fc3d727fc4a75f4f09c028d723732de0decfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3c8e113431461ff3484bfe2b2fc3d727fc4a75f4f09c028d723732de0decfd", kill_on_drop: false }`
[INFO] [stdout] 2b3c8e113431461ff3484bfe2b2fc3d727fc4a75f4f09c028d723732de0decfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e754c2aaff81352ffdd82ea2ae29a836d7bd2959553a9b16a485c0e794cae91e
[INFO] running `Command { std: "docker" "start" "-a" "e754c2aaff81352ffdd82ea2ae29a836d7bd2959553a9b16a485c0e794cae91e", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let mut count = x.get_mut(index).unwrap();
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let mut count = x.get_mut(index).unwrap();
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&i32` instead of cloning the inner type
[INFO] [stdout]    --> src/day19.rs:103:75
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let inter = l1.intersection(&l2).into_iter().map(|x| x.clone().clone()).collect::<HashSet<i32>>();
[INFO] [stdout]     |                                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&i32` instead of cloning the inner type
[INFO] [stdout]    --> src/day19.rs:103:75
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let inter = l1.intersection(&l2).into_iter().map(|x| x.clone().clone()).collect::<HashSet<i32>>();
[INFO] [stdout]     |                                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "e754c2aaff81352ffdd82ea2ae29a836d7bd2959553a9b16a485c0e794cae91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e754c2aaff81352ffdd82ea2ae29a836d7bd2959553a9b16a485c0e794cae91e", kill_on_drop: false }`
[INFO] [stdout] e754c2aaff81352ffdd82ea2ae29a836d7bd2959553a9b16a485c0e794cae91e