[INFO] fetching crate retro-rs 0.3.0...
[INFO] checking retro-rs-0.3.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate retro-rs 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate retro-rs 0.3.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate retro-rs 0.3.0
[INFO] finished tweaking crates.io crate retro-rs 0.3.0
[INFO] tweaked toml for crates.io crate retro-rs 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.20
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded libretro-sys v0.1.1
[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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 505c16a56fb612c83f2a86e998d64fba645a0f4483fed509344d93876fa6f627
[INFO] running `Command { std: "docker" "start" "-a" "505c16a56fb612c83f2a86e998d64fba645a0f4483fed509344d93876fa6f627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505c16a56fb612c83f2a86e998d64fba645a0f4483fed509344d93876fa6f627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505c16a56fb612c83f2a86e998d64fba645a0f4483fed509344d93876fa6f627", kill_on_drop: false }`
[INFO] [stdout] 505c16a56fb612c83f2a86e998d64fba645a0f4483fed509344d93876fa6f627
[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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a6b818ee04e8f2db073b48743dc62db9293c6de9421e8e7c3869bf626f32bc
[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" "28a6b818ee04e8f2db073b48743dc62db9293c6de9421e8e7c3869bf626f32bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking libretro-sys v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking retro-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `PPU_BIT`
[INFO] [stdout]    --> src/emulator.rs:726:5
[INFO] [stdout]     |
[INFO] [stdout] 726 |     const PPU_BIT:usize = 1 << 31;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_byte`
[INFO] [stdout]    --> src/emulator.rs:728:8
[INFO] [stdout]     |
[INFO] [stdout] 728 |     fn get_byte(emu:&Emulator, addr:usize) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.18s
[INFO] running `Command { std: "docker" "inspect" "28a6b818ee04e8f2db073b48743dc62db9293c6de9421e8e7c3869bf626f32bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a6b818ee04e8f2db073b48743dc62db9293c6de9421e8e7c3869bf626f32bc", kill_on_drop: false }`
[INFO] [stdout] 28a6b818ee04e8f2db073b48743dc62db9293c6de9421e8e7c3869bf626f32bc