[INFO] updating cached repository byronwasti/chip-8-emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/byronwasti/chip-8-emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/byronwasti/chip-8-emulator" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/byronwasti/chip-8-emulator"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/byronwasti/chip-8-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/byronwasti/chip-8-emulator" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/byronwasti/chip-8-emulator"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/byronwasti/chip-8-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75a875ae044f0ce8fd29306f3ca549b17a094ca7
[INFO] sha for GitHub repo byronwasti/chip-8-emulator: 75a875ae044f0ce8fd29306f3ca549b17a094ca7
[INFO] validating manifest of byronwasti/chip-8-emulator on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of byronwasti/chip-8-emulator on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing byronwasti/chip-8-emulator
[INFO] finished frobbing byronwasti/chip-8-emulator
[INFO] frobbed toml for byronwasti/chip-8-emulator written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/byronwasti/chip-8-emulator/Cargo.toml
[INFO] started frobbing byronwasti/chip-8-emulator
[INFO] finished frobbing byronwasti/chip-8-emulator
[INFO] frobbed toml for byronwasti/chip-8-emulator written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/byronwasti/chip-8-emulator/Cargo.toml
[INFO] crate byronwasti/chip-8-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking byronwasti/chip-8-emulator against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/byronwasti/chip-8-emulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 73cb342a6ef4f48a4037f9e3c5bc786424b16901b674cec3e4449c2671da18cf
[INFO] running `"docker" "start" "-a" "73cb342a6ef4f48a4037f9e3c5bc786424b16901b674cec3e4449c2671da18cf"`
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking log v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking chip8-emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/sdl2_peripherals.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/sdl2_peripherals.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.18s
[INFO] running `"docker" "inspect" "73cb342a6ef4f48a4037f9e3c5bc786424b16901b674cec3e4449c2671da18cf"`
[INFO] running `"docker" "rm" "-f" "73cb342a6ef4f48a4037f9e3c5bc786424b16901b674cec3e4449c2671da18cf"`
[INFO] [stdout] 73cb342a6ef4f48a4037f9e3c5bc786424b16901b674cec3e4449c2671da18cf