[INFO] cloning repository https://github.com/AlexW-GH/Rustboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexW-GH/Rustboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexW-GH%2FRustboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexW-GH%2FRustboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1496533706d3711e1ce5ee5ec89154d82d63b2a9
[INFO] checking AlexW-GH/Rustboy against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexW-GH%2FRustboy" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexW-GH/Rustboy on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexW-GH/Rustboy
[INFO] finished tweaking git repo https://github.com/AlexW-GH/Rustboy
[INFO] tweaked toml for git repo https://github.com/AlexW-GH/Rustboy written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexW-GH/Rustboy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94d2ce0921b4181bb4dbe1be2f76e38b6dfcb783c0adc22914e90cb7ebf573f
[INFO] running `Command { std: "docker" "start" "-a" "f94d2ce0921b4181bb4dbe1be2f76e38b6dfcb783c0adc22914e90cb7ebf573f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94d2ce0921b4181bb4dbe1be2f76e38b6dfcb783c0adc22914e90cb7ebf573f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94d2ce0921b4181bb4dbe1be2f76e38b6dfcb783c0adc22914e90cb7ebf573f", kill_on_drop: false }`
[INFO] [stdout] f94d2ce0921b4181bb4dbe1be2f76e38b6dfcb783c0adc22914e90cb7ebf573f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb01dec40a51744b81f2ee6780469f0f43e3bd360f243e8b672587702932a9d
[INFO] running `Command { std: "docker" "start" "-a" "6eb01dec40a51744b81f2ee6780469f0f43e3bd360f243e8b672587702932a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking simplelog v0.5.3 (https://github.com/AlexW-GH/simplelog.rs#3ffe808c)
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking rust_boy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]    --> src/processor/cpu.rs:197:16
[INFO] [stdout]     |
[INFO] [stdout] 197 |         sync::{Arc, Mutex},
[INFO] [stdout]     |                ^^^  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interrupt_enable_flags`
[INFO] [stdout]  --> src/processor/interrupt_controller.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub interrupt_enable_flags: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interrupt_request_flags`
[INFO] [stdout]  --> src/processor/interrupt_controller.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub interrupt_request_flags: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interrupt_enable_flags`
[INFO] [stdout]  --> src/processor/interrupt_controller.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub interrupt_enable_flags: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interrupt_request_flags`
[INFO] [stdout]  --> src/processor/interrupt_controller.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub interrupt_request_flags: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.49s
[INFO] running `Command { std: "docker" "inspect" "6eb01dec40a51744b81f2ee6780469f0f43e3bd360f243e8b672587702932a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb01dec40a51744b81f2ee6780469f0f43e3bd360f243e8b672587702932a9d", kill_on_drop: false }`
[INFO] [stdout] 6eb01dec40a51744b81f2ee6780469f0f43e3bd360f243e8b672587702932a9d