[INFO] updating cached repository PRDeltoid/chip8-emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PRDeltoid/chip8-emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PRDeltoid/chip8-emulator" "work/ex/clippy-test-run/sources/stable/gh/PRDeltoid/chip8-emulator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/PRDeltoid/chip8-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PRDeltoid/chip8-emulator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PRDeltoid/chip8-emulator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PRDeltoid/chip8-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4177a941d107f0bacf6a5ad3edbbcfef71c7189b
[INFO] sha for GitHub repo PRDeltoid/chip8-emulator: 4177a941d107f0bacf6a5ad3edbbcfef71c7189b
[INFO] validating manifest of PRDeltoid/chip8-emulator on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PRDeltoid/chip8-emulator on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PRDeltoid/chip8-emulator
[INFO] finished frobbing PRDeltoid/chip8-emulator
[INFO] frobbed toml for PRDeltoid/chip8-emulator written to work/ex/clippy-test-run/sources/stable/gh/PRDeltoid/chip8-emulator/Cargo.toml
[INFO] started frobbing PRDeltoid/chip8-emulator
[INFO] finished frobbing PRDeltoid/chip8-emulator
[INFO] frobbed toml for PRDeltoid/chip8-emulator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PRDeltoid/chip8-emulator/Cargo.toml
[INFO] crate PRDeltoid/chip8-emulator has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] linting PRDeltoid/chip8-emulator against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/PRDeltoid/chip8-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9c07c23420ba70f7fd2a8cf8dfe853b42cb9185f65ca87cc3259d219cc19c18
[INFO] running `"docker" "start" "-a" "c9c07c23420ba70f7fd2a8cf8dfe853b42cb9185f65ca87cc3259d219cc19c18"`
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(duration_as_u128)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(duration_as_u128)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `chip8`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `chip8`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c9c07c23420ba70f7fd2a8cf8dfe853b42cb9185f65ca87cc3259d219cc19c18"`
[INFO] running `"docker" "rm" "-f" "c9c07c23420ba70f7fd2a8cf8dfe853b42cb9185f65ca87cc3259d219cc19c18"`
[INFO] [stdout] c9c07c23420ba70f7fd2a8cf8dfe853b42cb9185f65ca87cc3259d219cc19c18