[INFO] cloning repository https://github.com/nwessing/gameboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nwessing/gameboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnwessing%2Fgameboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnwessing%2Fgameboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e92949620d40b9375b91c068d286242fb1ac34
[INFO] checking nwessing/gameboy against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnwessing%2Fgameboy" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nwessing/gameboy on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nwessing/gameboy
[INFO] finished tweaking git repo https://github.com/nwessing/gameboy
[INFO] tweaked toml for git repo https://github.com/nwessing/gameboy written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nwessing/gameboy 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded cbindgen v0.19.0
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 434fe52031386cad9821f344fe305f0ab413fb0d377b99cb9358cfbdce75189d
[INFO] running `Command { std: "docker" "start" "-a" "434fe52031386cad9821f344fe305f0ab413fb0d377b99cb9358cfbdce75189d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "434fe52031386cad9821f344fe305f0ab413fb0d377b99cb9358cfbdce75189d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434fe52031386cad9821f344fe305f0ab413fb0d377b99cb9358cfbdce75189d", kill_on_drop: false }`
[INFO] [stdout] 434fe52031386cad9821f344fe305f0ab413fb0d377b99cb9358cfbdce75189d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d230fc8f59e916ceede9543b0cd9559481de6e0033979cde1b639b0a534ff0f
[INFO] running `Command { std: "docker" "start" "-a" "8d230fc8f59e916ceede9543b0cd9559481de6e0033979cde1b639b0a534ff0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling cbindgen v0.19.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling gameboy v0.1.0 (/opt/rustwide/workdir/gameboy)
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]  --> gameboy/build.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let success = cbindgen::Builder::new()
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checkpoint` is never read
[INFO] [stdout]   --> gameboy/src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct System {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checkpoint: time::Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JOYPAD_REG_ADDR` is never used
[INFO] [stdout]  --> gameboy/src/controller.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const JOYPAD_REG_ADDR: u16 = 0xFF00;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ram_banks_enabled` is never read
[INFO] [stdout]   --> gameboy/src/mbc1.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MemoryBankController1 {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 10 |     pub use_battery: bool,
[INFO] [stdout] 11 |     ram_banks_enabled: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WAVE_MEMORY_END` is never used
[INFO] [stdout]  --> gameboy/src/sound.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WAVE_MEMORY_END: u16 = 0xFF40;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checkpoint` is never read
[INFO] [stdout]   --> gameboy/src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct System {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checkpoint: time::Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JOYPAD_REG_ADDR` is never used
[INFO] [stdout]  --> gameboy/src/controller.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const JOYPAD_REG_ADDR: u16 = 0xFF00;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ram_banks_enabled` is never read
[INFO] [stdout]   --> gameboy/src/mbc1.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MemoryBankController1 {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 10 |     pub use_battery: bool,
[INFO] [stdout] 11 |     ram_banks_enabled: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WAVE_MEMORY_END` is never used
[INFO] [stdout]  --> gameboy/src/sound.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WAVE_MEMORY_END: u16 = 0xFF40;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking libretrocore v0.1.0 (/opt/rustwide/workdir/libretrocore)
[INFO] [stderr]     Checking desktop v0.1.0 (/opt/rustwide/workdir/desktop)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 25.87s
[INFO] running `Command { std: "docker" "inspect" "8d230fc8f59e916ceede9543b0cd9559481de6e0033979cde1b639b0a534ff0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d230fc8f59e916ceede9543b0cd9559481de6e0033979cde1b639b0a534ff0f", kill_on_drop: false }`
[INFO] [stdout] 8d230fc8f59e916ceede9543b0cd9559481de6e0033979cde1b639b0a534ff0f