[INFO] cloning repository https://github.com/drglove/gameboy-emulator-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drglove/gameboy-emulator-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrglove%2Fgameboy-emulator-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrglove%2Fgameboy-emulator-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9a72b3da0f6edfd40c3a2cc6bd927925bfa1033
[INFO] checking drglove/gameboy-emulator-rust against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrglove%2Fgameboy-emulator-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drglove/gameboy-emulator-rust on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drglove/gameboy-emulator-rust
[INFO] finished tweaking git repo https://github.com/drglove/gameboy-emulator-rust
[INFO] tweaked toml for git repo https://github.com/drglove/gameboy-emulator-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/drglove/gameboy-emulator-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeeaf232a32456b8446a06df5b9839f3e9fe8f1c71818f7935d9df25a736cd54
[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" "eeeaf232a32456b8446a06df5b9839f3e9fe8f1c71818f7935d9df25a736cd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeeaf232a32456b8446a06df5b9839f3e9fe8f1c71818f7935d9df25a736cd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeaf232a32456b8446a06df5b9839f3e9fe8f1c71818f7935d9df25a736cd54", kill_on_drop: false }`
[INFO] [stdout] eeeaf232a32456b8446a06df5b9839f3e9fe8f1c71818f7935d9df25a736cd54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] dbcf187fa2e2413757b74f3a0e4df44328d9b939b096a761d16c3824eb39d491
[INFO] running `Command { std: "docker" "start" "-a" "dbcf187fa2e2413757b74f3a0e4df44328d9b939b096a761d16c3824eb39d491", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling minifb v0.19.0
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling blip_buf-sys v0.1.3
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking blip_buf v0.1.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking alsa v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking gameboy-emulator-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cpu/timers.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn write_io_register(&mut self, value: u8, address: usize) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> src/apu/channels.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     length: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Playing`
[INFO] [stdout]    --> src/apu/channels.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     Playing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeviceFetchFailed`
[INFO] [stdout]   --> src/apu/cpal_audio_output.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DeviceFetchFailed,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `should_length_sequence_fire`
[INFO] [stdout]    --> src/apu/mod.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn should_length_sequence_fire(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `should_sweep_sequence_fire`
[INFO] [stdout]    --> src/apu/mod.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn should_sweep_sequence_fire(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cpu/timers.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn write_io_register(&mut self, value: u8, address: usize) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> src/apu/channels.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     length: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Playing`
[INFO] [stdout]    --> src/apu/channels.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     Playing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeviceFetchFailed`
[INFO] [stdout]   --> src/apu/cpal_audio_output.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DeviceFetchFailed,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `should_length_sequence_fire`
[INFO] [stdout]    --> src/apu/mod.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn should_length_sequence_fire(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `should_sweep_sequence_fire`
[INFO] [stdout]    --> src/apu/mod.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn should_sweep_sequence_fire(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "dbcf187fa2e2413757b74f3a0e4df44328d9b939b096a761d16c3824eb39d491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcf187fa2e2413757b74f3a0e4df44328d9b939b096a761d16c3824eb39d491", kill_on_drop: false }`
[INFO] [stdout] dbcf187fa2e2413757b74f3a0e4df44328d9b939b096a761d16c3824eb39d491