[INFO] cloning repository https://github.com/dd-cmyk/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dd-cmyk/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdd-cmyk%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdd-cmyk%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6af7abef81dd5ce94abd830df9738ee7f743f2d9
[INFO] checking dd-cmyk/chip-8 against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdd-cmyk%2Fchip-8" "/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/dd-cmyk/chip-8 on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dd-cmyk/chip-8
[INFO] finished tweaking git repo https://github.com/dd-cmyk/chip-8
[INFO] tweaked toml for git repo https://github.com/dd-cmyk/chip-8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dd-cmyk/chip-8 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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded thiserror v1.0.55
[INFO] [stderr]   Downloaded array2d v0.3.0
[INFO] [stderr]   Downloaded current v0.1.2
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.84.0
[INFO] [stderr]   Downloaded piston-music v0.26.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.55
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] [stderr]   Downloaded concat-arrays v0.1.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d6808dbdbe1acd709ce8bd371b2f7e7150642605e65d252cd20af725442eedc
[INFO] running `Command { std: "docker" "start" "-a" "9d6808dbdbe1acd709ce8bd371b2f7e7150642605e65d252cd20af725442eedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d6808dbdbe1acd709ce8bd371b2f7e7150642605e65d252cd20af725442eedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6808dbdbe1acd709ce8bd371b2f7e7150642605e65d252cd20af725442eedc", kill_on_drop: false }`
[INFO] [stdout] 9d6808dbdbe1acd709ce8bd371b2f7e7150642605e65d252cd20af725442eedc
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7783c6d1000a95d7eb51ba1effab7811f1f4e1044c8f804169aaedda9a203d14
[INFO] running `Command { std: "docker" "start" "-a" "7783c6d1000a95d7eb51ba1effab7811f1f4e1044c8f804169aaedda9a203d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling thiserror v1.0.55
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking current v0.1.2
[INFO] [stderr]     Checking tiny-skia-path v0.8.4
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking array2d v0.3.0
[INFO] [stderr]     Checking tiny-skia v0.8.4
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking piston-music v0.26.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking glutin v0.30.10
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]    Compiling concat-arrays v0.1.2
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.84.0
[INFO] [stderr]     Checking pistoncore-window v1.0.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.55.0
[INFO] [stderr]     Checking piston v0.55.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking sctk-adwaita v0.5.4
[INFO] [stderr]     Checking glutin-winit v0.3.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.72.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cpu.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CpuError(String);
[INFO] [stdout]    |            -------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CpuError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CpuError(());
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cpu.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CpuError(String);
[INFO] [stdout]    |            -------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CpuError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CpuError(());
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.54s
[INFO] running `Command { std: "docker" "inspect" "7783c6d1000a95d7eb51ba1effab7811f1f4e1044c8f804169aaedda9a203d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7783c6d1000a95d7eb51ba1effab7811f1f4e1044c8f804169aaedda9a203d14", kill_on_drop: false }`
[INFO] [stdout] 7783c6d1000a95d7eb51ba1effab7811f1f4e1044c8f804169aaedda9a203d14