[INFO] cloning repository https://github.com/martskins/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/martskins/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 867584506611e3a6571196bdf5334fb36368b0a9
[INFO] checking martskins/chip8-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fchip8-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martskins/chip8-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martskins/chip8-rs
[INFO] finished tweaking git repo https://github.com/martskins/chip8-rs
[INFO] tweaked toml for git repo https://github.com/martskins/chip8-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/martskins/chip8-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7873f3d2b07177d2b66bb73e54bbb0df27ab3702d59dd9a0b1f0cd327bea6f50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7873f3d2b07177d2b66bb73e54bbb0df27ab3702d59dd9a0b1f0cd327bea6f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7873f3d2b07177d2b66bb73e54bbb0df27ab3702d59dd9a0b1f0cd327bea6f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7873f3d2b07177d2b66bb73e54bbb0df27ab3702d59dd9a0b1f0cd327bea6f50", kill_on_drop: false }`
[INFO] [stdout] 7873f3d2b07177d2b66bb73e54bbb0df27ab3702d59dd9a0b1f0cd327bea6f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68f5f9cdd87e2bb10d2640b8756d22ae720af1f32239224519bb88bed991aa48
[INFO] running `Command { std: "docker" "start" "-a" "68f5f9cdd87e2bb10d2640b8756d22ae720af1f32239224519bb88bed991aa48", kill_on_drop: false }`
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.4
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.54.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking piston_window v0.85.0
[INFO] [stderr]     Checking chip8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/./cpu_test.rs: No such file or directory (os error 2)
[INFO] [stdout]    --> src/cpu.rs:462:1
[INFO] [stdout]     |
[INFO] [stdout] 462 | mod cpu_test;
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cpu.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         (self.opcode & 0x000f)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68f5f9cdd87e2bb10d2640b8756d22ae720af1f32239224519bb88bed991aa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f5f9cdd87e2bb10d2640b8756d22ae720af1f32239224519bb88bed991aa48", kill_on_drop: false }`
[INFO] [stdout] 68f5f9cdd87e2bb10d2640b8756d22ae720af1f32239224519bb88bed991aa48