[INFO] updating cached repository msifd/game-of-life-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/msifd/game-of-life-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/msifd/game-of-life-rs" "work/ex/clippy-test-run/sources/stable/gh/msifd/game-of-life-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/msifd/game-of-life-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/msifd/game-of-life-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/msifd/game-of-life-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/msifd/game-of-life-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 996f17aa7e33561e079dddb7d736881f787a8485
[INFO] sha for GitHub repo msifd/game-of-life-rs: 996f17aa7e33561e079dddb7d736881f787a8485
[INFO] validating manifest of msifd/game-of-life-rs 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 msifd/game-of-life-rs 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 msifd/game-of-life-rs
[INFO] finished frobbing msifd/game-of-life-rs
[INFO] frobbed toml for msifd/game-of-life-rs written to work/ex/clippy-test-run/sources/stable/gh/msifd/game-of-life-rs/Cargo.toml
[INFO] started frobbing msifd/game-of-life-rs
[INFO] finished frobbing msifd/game-of-life-rs
[INFO] frobbed toml for msifd/game-of-life-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/msifd/game-of-life-rs/Cargo.toml
[INFO] crate msifd/game-of-life-rs 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 msifd/game-of-life-rs against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/msifd/game-of-life-rs:/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 -Dclippy::into_iter_on_array" "-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] ace8dd35acf8cb24ad1364a9248d134e77e3b6628f939e5fe33c785df34c453b
[INFO] running `"docker" "start" "-a" "ace8dd35acf8cb24ad1364a9248d134e77e3b6628f939e5fe33c785df34c453b"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]     Checking life_game_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/field/mod.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let lines = text.trim().lines().filter(|l| !l.starts_with("!")).collect::<Vec<_>>();
[INFO] [stderr]    |                                                               ^^^ help: try using a char instead: `'!'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/field/mod.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let lines = text.trim().lines().filter(|l| !l.starts_with("!")).collect::<Vec<_>>();
[INFO] [stderr]    |                                                               ^^^ help: try using a char instead: `'!'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/benches.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `life_game_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/field/mod.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let lines = text.trim().lines().filter(|l| !l.starts_with("!")).collect::<Vec<_>>();
[INFO] [stderr]    |                                                               ^^^ help: try using a char instead: `'!'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/field/mod.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let lines = text.trim().lines().filter(|l| !l.starts_with("!")).collect::<Vec<_>>();
[INFO] [stderr]    |                                                               ^^^ help: try using a char instead: `'!'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ace8dd35acf8cb24ad1364a9248d134e77e3b6628f939e5fe33c785df34c453b"`
[INFO] running `"docker" "rm" "-f" "ace8dd35acf8cb24ad1364a9248d134e77e3b6628f939e5fe33c785df34c453b"`
[INFO] [stdout] ace8dd35acf8cb24ad1364a9248d134e77e3b6628f939e5fe33c785df34c453b