[INFO] cloning repository https://github.com/salihy/chip8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/salihy/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalihy%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalihy%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cfa2b409fbda8ae58f8e5fa14babd939c4b58a1
[INFO] building salihy/chip8-rs against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalihy%2Fchip8-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/salihy/chip8-rs on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/salihy/chip8-rs
[INFO] finished tweaking git repo https://github.com/salihy/chip8-rs
[INFO] tweaked toml for git repo https://github.com/salihy/chip8-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/salihy/chip8-rs 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 115a3532129d7324868afb1c165dde2764add04ac45c2c7802541671967cb0cd
[INFO] running `Command { std: "docker" "start" "-a" "115a3532129d7324868afb1c165dde2764add04ac45c2c7802541671967cb0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115a3532129d7324868afb1c165dde2764add04ac45c2c7802541671967cb0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115a3532129d7324868afb1c165dde2764add04ac45c2c7802541671967cb0cd", kill_on_drop: false }`
[INFO] [stdout] 115a3532129d7324868afb1c165dde2764add04ac45c2c7802541671967cb0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a94aed5b6c498e37d8ce888486b82f2a752cdb6d8fbe98d5c4a48054d8c54c58
[INFO] running `Command { std: "docker" "start" "-a" "a94aed5b6c498e37d8ce888486b82f2a752cdb6d8fbe98d5c4a48054d8c54c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling piston-float v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling fdeflate v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling piston-viewport v1.0.2
[INFO] [stderr]    Compiling serde v1.0.194
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[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
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[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling xcursor v0.3.5
[INFO] [stderr]    Compiling strict-num v0.1.1
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[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
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[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
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[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling gl v0.13.0
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[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
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[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling half v2.2.1
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[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling exr v1.71.0
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling owned_ttf_parser v0.20.0
[INFO] [stderr]    Compiling ab_glyph v0.2.23
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]    Compiling owned_ttf_parser v0.15.2
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling interpolation v0.3.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling spin_sleep v1.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling piston-texture v0.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling piston2d-graphics v0.44.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling tiff v0.9.0
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling pistoncore-input v1.0.1
[INFO] [stderr]    Compiling pistoncore-window v1.0.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.55.0
[INFO] [stderr]    Compiling piston v0.55.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.83.0
[INFO] [stderr]    Compiling sctk-adwaita v0.5.4
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.72.0
[INFO] [stderr]    Compiling chip8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ct`
[INFO] [stdout]    --> src/computer.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let ct: Vec<u8> = self.display().dump().into_iter().map(|m| m as u8).collect();
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.20s
[INFO] running `Command { std: "docker" "inspect" "a94aed5b6c498e37d8ce888486b82f2a752cdb6d8fbe98d5c4a48054d8c54c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94aed5b6c498e37d8ce888486b82f2a752cdb6d8fbe98d5c4a48054d8c54c58", kill_on_drop: false }`
[INFO] [stdout] a94aed5b6c498e37d8ce888486b82f2a752cdb6d8fbe98d5c4a48054d8c54c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca6c58a01819d856299cabcd5021cec1dca61080032bd987e7a6ce1dc5616878
[INFO] running `Command { std: "docker" "start" "-a" "ca6c58a01819d856299cabcd5021cec1dca61080032bd987e7a6ce1dc5616878", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ct`
[INFO] [stdout]    --> src/computer.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let ct: Vec<u8> = self.display().dump().into_iter().map(|m| m as u8).collect();
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ct`
[INFO] [stdout]    --> src/computer.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let ct: Vec<u8> = self.display().dump().into_iter().map(|m| m as u8).collect();
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "ca6c58a01819d856299cabcd5021cec1dca61080032bd987e7a6ce1dc5616878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6c58a01819d856299cabcd5021cec1dca61080032bd987e7a6ce1dc5616878", kill_on_drop: false }`
[INFO] [stdout] ca6c58a01819d856299cabcd5021cec1dca61080032bd987e7a6ce1dc5616878