[INFO] cloning repository https://github.com/wsandst/gameboy-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wsandst/gameboy-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsandst%2Fgameboy-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsandst%2Fgameboy-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e6c7b2f22d80d4a146271a87065a69973a2e01a
[INFO] checking wsandst/gameboy-emulator against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsandst%2Fgameboy-emulator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wsandst/gameboy-emulator on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wsandst/gameboy-emulator
[INFO] finished tweaking git repo https://github.com/wsandst/gameboy-emulator
[INFO] tweaked toml for git repo https://github.com/wsandst/gameboy-emulator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wsandst/gameboy-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d365d03f9820a018bffba6c22fab812f96b027d99244d5635edbdfd4425f0d19
[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" "d365d03f9820a018bffba6c22fab812f96b027d99244d5635edbdfd4425f0d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d365d03f9820a018bffba6c22fab812f96b027d99244d5635edbdfd4425f0d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d365d03f9820a018bffba6c22fab812f96b027d99244d5635edbdfd4425f0d19", kill_on_drop: false }`
[INFO] [stdout] d365d03f9820a018bffba6c22fab812f96b027d99244d5635edbdfd4425f0d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1902d14b4b5359db5fb75d50406eea79dd2690704e3498e3c7864f94176267b7
[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" "1902d14b4b5359db5fb75d50406eea79dd2690704e3498e3c7864f94176267b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking gameboy-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `frame_count` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut frame_count : u32 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_frame_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frame_count` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut frame_count : u32 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_frame_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_af`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn set_af(&mut self, af : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn set_bc(&mut self, bc : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_de`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn set_de(&mut self, de : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_hl`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_hl(&mut self, hl : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_af`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn set_af(&mut self, af : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn set_bc(&mut self, bc : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_de`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn set_de(&mut self, de : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_hl`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_hl(&mut self, hl : u16)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "1902d14b4b5359db5fb75d50406eea79dd2690704e3498e3c7864f94176267b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1902d14b4b5359db5fb75d50406eea79dd2690704e3498e3c7864f94176267b7", kill_on_drop: false }`
[INFO] [stdout] 1902d14b4b5359db5fb75d50406eea79dd2690704e3498e3c7864f94176267b7