[INFO] cloning repository https://github.com/JuanBiancuzzo/AdventOfCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanBiancuzzo/AdventOfCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanBiancuzzo%2FAdventOfCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanBiancuzzo%2FAdventOfCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfe899ca3d7965361d73932b23383618e9144dea
[INFO] checking JuanBiancuzzo/AdventOfCode/bfe899ca3d7965361d73932b23383618e9144dea 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%2FJuanBiancuzzo%2FAdventOfCode" "/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/JuanBiancuzzo/AdventOfCode 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/JuanBiancuzzo/AdventOfCode
[INFO] finished tweaking git repo https://github.com/JuanBiancuzzo/AdventOfCode
[INFO] tweaked toml for git repo https://github.com/JuanBiancuzzo/AdventOfCode written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanBiancuzzo/AdventOfCode 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] [stderr]     Blocking waiting for file lock on package cache
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b5d1bdd587a5a447ae3bfbfd62c36113b9c36e9af1e6fce43a309d88e1121df
[INFO] running `Command { std: "docker" "start" "-a" "8b5d1bdd587a5a447ae3bfbfd62c36113b9c36e9af1e6fce43a309d88e1121df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b5d1bdd587a5a447ae3bfbfd62c36113b9c36e9af1e6fce43a309d88e1121df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5d1bdd587a5a447ae3bfbfd62c36113b9c36e9af1e6fce43a309d88e1121df", kill_on_drop: false }`
[INFO] [stdout] 8b5d1bdd587a5a447ae3bfbfd62c36113b9c36e9af1e6fce43a309d88e1121df
[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 -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] 5efb13d76779f20d5ca27ac45e6305834670ec1fdd7c04c4c967b87c3e10ba9c
[INFO] running `Command { std: "docker" "start" "-a" "5efb13d76779f20d5ca27ac45e6305834670ec1fdd7c04c4c967b87c3e10ba9c", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `get_operations_count` is never used
[INFO] [stdout]    --> src/days/day12/line.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 11  | impl Line {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn get_operations_count(operations: &Vec<Operation>) -> Vec<(Operation, u64)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/worker.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     pub id: usize,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/worker.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     pub id: usize,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "5efb13d76779f20d5ca27ac45e6305834670ec1fdd7c04c4c967b87c3e10ba9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efb13d76779f20d5ca27ac45e6305834670ec1fdd7c04c4c967b87c3e10ba9c", kill_on_drop: false }`
[INFO] [stdout] 5efb13d76779f20d5ca27ac45e6305834670ec1fdd7c04c4c967b87c3e10ba9c