[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 master#a9e7b30487235621751cc628f170c0f15fb215c4 for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghikio%2Fwireworld" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghikio/wireworld on toolchain a9e7b30487235621751cc628f170c0f15fb215c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+a9e7b30487235621751cc628f170c0f15fb215c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.34.3
[INFO] [stderr]   Downloaded sdl2-sys v0.34.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbf4a67ce995561f2ec363f6b8a5bcaf7b9a74efaf07e18ff49550527b2fdeb5
[INFO] running `Command { std: "docker" "start" "-a" "cbf4a67ce995561f2ec363f6b8a5bcaf7b9a74efaf07e18ff49550527b2fdeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf4a67ce995561f2ec363f6b8a5bcaf7b9a74efaf07e18ff49550527b2fdeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf4a67ce995561f2ec363f6b8a5bcaf7b9a74efaf07e18ff49550527b2fdeb5", kill_on_drop: false }`
[INFO] [stdout] cbf4a67ce995561f2ec363f6b8a5bcaf7b9a74efaf07e18ff49550527b2fdeb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5338335f197cadeddfd9cd7f672a0ea7b07a8bb077aefc78eba2c1d4df4b5c
[INFO] running `Command { std: "docker" "start" "-a" "df5338335f197cadeddfd9cd7f672a0ea7b07a8bb077aefc78eba2c1d4df4b5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "df5338335f197cadeddfd9cd7f672a0ea7b07a8bb077aefc78eba2c1d4df4b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5338335f197cadeddfd9cd7f672a0ea7b07a8bb077aefc78eba2c1d4df4b5c", kill_on_drop: false }`
[INFO] [stdout] df5338335f197cadeddfd9cd7f672a0ea7b07a8bb077aefc78eba2c1d4df4b5c