[INFO] updating cached repository panicbit/connect_four [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/panicbit/connect_four [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/connect_four" "work/ex/clippy-test-run/sources/stable/gh/panicbit/connect_four"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/panicbit/connect_four'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/connect_four" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/panicbit/connect_four"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/panicbit/connect_four'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7b8ad172a45f314f4827d3cb9c019d790f5de0d2 [INFO] sha for GitHub repo panicbit/connect_four: 7b8ad172a45f314f4827d3cb9c019d790f5de0d2 [INFO] validating manifest of panicbit/connect_four 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 panicbit/connect_four 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 panicbit/connect_four [INFO] finished frobbing panicbit/connect_four [INFO] frobbed toml for panicbit/connect_four written to work/ex/clippy-test-run/sources/stable/gh/panicbit/connect_four/Cargo.toml [INFO] started frobbing panicbit/connect_four [INFO] finished frobbing panicbit/connect_four [INFO] frobbed toml for panicbit/connect_four written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/panicbit/connect_four/Cargo.toml [INFO] crate panicbit/connect_four 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 panicbit/connect_four 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-3/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/panicbit/connect_four:/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] 1f176a6d0bbfec0f968ff00215ccfe7a9821a4c43f69841aba9869e8d7ca79ee [INFO] running `"docker" "start" "-a" "1f176a6d0bbfec0f968ff00215ccfe7a9821a4c43f69841aba9869e8d7ca79ee"` [INFO] [stderr] Checking connect_four v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | fn char(&self) -> char { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `self` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | fn char(&self) -> char { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `self` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `"docker" "inspect" "1f176a6d0bbfec0f968ff00215ccfe7a9821a4c43f69841aba9869e8d7ca79ee"` [INFO] running `"docker" "rm" "-f" "1f176a6d0bbfec0f968ff00215ccfe7a9821a4c43f69841aba9869e8d7ca79ee"` [INFO] [stdout] 1f176a6d0bbfec0f968ff00215ccfe7a9821a4c43f69841aba9869e8d7ca79ee