[INFO] cloning repository https://github.com/ghikio/wireworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghikio/wireworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghikio%2Fwireworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghikio%2Fwireworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 308121e33e207c87325dd9079a669fb96c17c925
[INFO] checking ghikio/wireworld against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghikio%2Fwireworld" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ghikio/wireworld
[INFO] finished tweaking git repo https://github.com/ghikio/wireworld
[INFO] tweaked toml for git repo https://github.com/ghikio/wireworld written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ghikio/wireworld on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ghikio/wireworld 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a83941e2d9fb23b51b85c4bc70bea41c0f1a62922aca6f9744e7de5f6a9bddbb
[INFO] running `Command { std: "docker" "start" "-a" "a83941e2d9fb23b51b85c4bc70bea41c0f1a62922aca6f9744e7de5f6a9bddbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a83941e2d9fb23b51b85c4bc70bea41c0f1a62922aca6f9744e7de5f6a9bddbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83941e2d9fb23b51b85c4bc70bea41c0f1a62922aca6f9744e7de5f6a9bddbb", kill_on_drop: false }`
[INFO] [stdout] a83941e2d9fb23b51b85c4bc70bea41c0f1a62922aca6f9744e7de5f6a9bddbb
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f52954fbea3acbefdc0ab336ceb16f216798b8dd84b328db8eabae678ff4a72
[INFO] running `Command { std: "docker" "start" "-a" "9f52954fbea3acbefdc0ab336ceb16f216798b8dd84b328db8eabae678ff4a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking wireworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mrows`, `mcols`, and `state` are never read
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct Map
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 92 |     mrows: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 93 |     /// Stores the max number of columns
[INFO] [stdout] 94 |     mcols: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 95 |     /// Stores the current state of the `Map`
[INFO] [stdout] 96 |     state: MapState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Map` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mrows`, `mcols`, and `state` are never read
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct Map
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 92 |     mrows: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 93 |     /// Stores the max number of columns
[INFO] [stdout] 94 |     mcols: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 95 |     /// Stores the current state of the `Map`
[INFO] [stdout] 96 |     state: MapState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Map` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 3.47s
[INFO] running `Command { std: "docker" "inspect" "9f52954fbea3acbefdc0ab336ceb16f216798b8dd84b328db8eabae678ff4a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f52954fbea3acbefdc0ab336ceb16f216798b8dd84b328db8eabae678ff4a72", kill_on_drop: false }`
[INFO] [stdout] 9f52954fbea3acbefdc0ab336ceb16f216798b8dd84b328db8eabae678ff4a72