[INFO] cloning repository https://github.com/2ne1ugly/adv2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2ne1ugly/adv2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2ne1ugly%2Fadv2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2ne1ugly%2Fadv2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8eb6bd402eb064560e189a5c7bdce41d9a6afb7
[INFO] checking 2ne1ugly/adv2021 against master#683dd08db5808c41baceef49368fc82a6c4767bb for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2ne1ugly%2Fadv2021" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/2ne1ugly/adv2021
[INFO] finished tweaking git repo https://github.com/2ne1ugly/adv2021
[INFO] tweaked toml for git repo https://github.com/2ne1ugly/adv2021 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2ne1ugly/adv2021 on toolchain 683dd08db5808c41baceef49368fc82a6c4767bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/2ne1ugly/adv2021 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" "+683dd08db5808c41baceef49368fc82a6c4767bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95ccddfcded127a4c8f7dc763fe4077c4143c3ca2eab787b9f51ee33d90f168f
[INFO] running `Command { std: "docker" "start" "-a" "95ccddfcded127a4c8f7dc763fe4077c4143c3ca2eab787b9f51ee33d90f168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95ccddfcded127a4c8f7dc763fe4077c4143c3ca2eab787b9f51ee33d90f168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ccddfcded127a4c8f7dc763fe4077c4143c3ca2eab787b9f51ee33d90f168f", kill_on_drop: false }`
[INFO] [stdout] 95ccddfcded127a4c8f7dc763fe4077c4143c3ca2eab787b9f51ee33d90f168f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0f8a32a787cf3e0d7d8c86aea1c732f6fa173faf361c8107aae5a4624d6445d
[INFO] running `Command { std: "docker" "start" "-a" "e0f8a32a787cf3e0d7d8c86aea1c732f6fa173faf361c8107aae5a4624d6445d", kill_on_drop: false }`
[INFO] [stderr]     Checking adv2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]  --> src/d05/1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Board {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]  --> src/d05/2.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Board {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]  --> src/d05/1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Board {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]  --> src/d05/2.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Board {
[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 0.30s
[INFO] running `Command { std: "docker" "inspect" "e0f8a32a787cf3e0d7d8c86aea1c732f6fa173faf361c8107aae5a4624d6445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f8a32a787cf3e0d7d8c86aea1c732f6fa173faf361c8107aae5a4624d6445d", kill_on_drop: false }`
[INFO] [stdout] e0f8a32a787cf3e0d7d8c86aea1c732f6fa173faf361c8107aae5a4624d6445d
