[INFO] updating cached repository Enigmatrix/minesweeper-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Enigmatrix/minesweeper-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Enigmatrix/minesweeper-rust" "work/ex/clippy-test-run/sources/stable/gh/Enigmatrix/minesweeper-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Enigmatrix/minesweeper-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Enigmatrix/minesweeper-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Enigmatrix/minesweeper-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Enigmatrix/minesweeper-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79a2345405ec4fb1ea691f9f1d82447a5e7af228
[INFO] sha for GitHub repo Enigmatrix/minesweeper-rust: 79a2345405ec4fb1ea691f9f1d82447a5e7af228
[INFO] validating manifest of Enigmatrix/minesweeper-rust 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 Enigmatrix/minesweeper-rust 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 Enigmatrix/minesweeper-rust
[INFO] finished frobbing Enigmatrix/minesweeper-rust
[INFO] frobbed toml for Enigmatrix/minesweeper-rust written to work/ex/clippy-test-run/sources/stable/gh/Enigmatrix/minesweeper-rust/Cargo.toml
[INFO] started frobbing Enigmatrix/minesweeper-rust
[INFO] finished frobbing Enigmatrix/minesweeper-rust
[INFO] frobbed toml for Enigmatrix/minesweeper-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Enigmatrix/minesweeper-rust/Cargo.toml
[INFO] crate Enigmatrix/minesweeper-rust 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] linting Enigmatrix/minesweeper-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Enigmatrix/minesweeper-rust:/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] 9e5bbff3aa9b6a2a2702248270f12f27a173a8fb4aa820bc603ab45fd7b94617
[INFO] running `"docker" "start" "-a" "9e5bbff3aa9b6a2a2702248270f12f27a173a8fb4aa820bc603ab45fd7b94617"`
[INFO] [stderr]     Checking x11-dl v2.17.2
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking glutin v0.10.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.43.0
[INFO] [stderr]     Checking minesweeper-rust 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:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[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 `minesweeper-rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[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 `minesweeper-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9e5bbff3aa9b6a2a2702248270f12f27a173a8fb4aa820bc603ab45fd7b94617"`
[INFO] running `"docker" "rm" "-f" "9e5bbff3aa9b6a2a2702248270f12f27a173a8fb4aa820bc603ab45fd7b94617"`
[INFO] [stdout] 9e5bbff3aa9b6a2a2702248270f12f27a173a8fb4aa820bc603ab45fd7b94617