[INFO] cloning repository https://github.com/N-Hoque/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/N-Hoque/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-Hoque%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-Hoque%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 383910dfd41f93e5368a49b96d45e034102e9dda
[INFO] checking N-Hoque/aoc2021/383910dfd41f93e5368a49b96d45e034102e9dda against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-Hoque%2Faoc2021" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/N-Hoque/aoc2021 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/N-Hoque/aoc2021
[INFO] finished tweaking git repo https://github.com/N-Hoque/aoc2021
[INFO] tweaked toml for git repo https://github.com/N-Hoque/aoc2021 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/N-Hoque/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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5c8f42b65762eaff8cfbaf3ed87a48feef6e1a5499e8cdbe5af1e04b3d9e978
[INFO] running `Command { std: "docker" "start" "-a" "e5c8f42b65762eaff8cfbaf3ed87a48feef6e1a5499e8cdbe5af1e04b3d9e978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5c8f42b65762eaff8cfbaf3ed87a48feef6e1a5499e8cdbe5af1e04b3d9e978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c8f42b65762eaff8cfbaf3ed87a48feef6e1a5499e8cdbe5af1e04b3d9e978", kill_on_drop: false }`
[INFO] [stdout] e5c8f42b65762eaff8cfbaf3ed87a48feef6e1a5499e8cdbe5af1e04b3d9e978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca26b4a738cffd6e74f753f76e1d84e24bc4bc70eb5ef347e5de387ba037f1f5
[INFO] running `Command { std: "docker" "start" "-a" "ca26b4a738cffd6e74f753f76e1d84e24bc4bc70eb5ef347e5de387ba037f1f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SAMPLE_INPUT` is never used
[INFO] [stdout]  --> src/day_6/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SAMPLE_INPUT: &str = "3,4,3,1,2";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_sample` is never used
[INFO] [stdout]   --> src/day_6/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Solver {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn with_sample() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_sample` is never used
[INFO] [stdout]   --> src/day_6/mod.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn solve_sample(days: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "ca26b4a738cffd6e74f753f76e1d84e24bc4bc70eb5ef347e5de387ba037f1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca26b4a738cffd6e74f753f76e1d84e24bc4bc70eb5ef347e5de387ba037f1f5", kill_on_drop: false }`
[INFO] [stdout] ca26b4a738cffd6e74f753f76e1d84e24bc4bc70eb5ef347e5de387ba037f1f5