[INFO] updating cached repository aviaviavi/euler-rust-21 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/aviaviavi/euler-rust-21 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/aviaviavi/euler-rust-21" "work/ex/clippy-test-run/sources/stable/gh/aviaviavi/euler-rust-21"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/aviaviavi/euler-rust-21'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/aviaviavi/euler-rust-21" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aviaviavi/euler-rust-21"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aviaviavi/euler-rust-21'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0ffca0c7ceb748d10cc3e4dfe871df8ab7490cf3 [INFO] sha for GitHub repo aviaviavi/euler-rust-21: 0ffca0c7ceb748d10cc3e4dfe871df8ab7490cf3 [INFO] validating manifest of aviaviavi/euler-rust-21 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 aviaviavi/euler-rust-21 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 aviaviavi/euler-rust-21 [INFO] finished frobbing aviaviavi/euler-rust-21 [INFO] frobbed toml for aviaviavi/euler-rust-21 written to work/ex/clippy-test-run/sources/stable/gh/aviaviavi/euler-rust-21/Cargo.toml [INFO] started frobbing aviaviavi/euler-rust-21 [INFO] finished frobbing aviaviavi/euler-rust-21 [INFO] frobbed toml for aviaviavi/euler-rust-21 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aviaviavi/euler-rust-21/Cargo.toml [INFO] crate aviaviavi/euler-rust-21 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 aviaviavi/euler-rust-21 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/aviaviavi/euler-rust-21:/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] 76d592b23da6f75e120a4caeeace65662d4da53fdb44fcfce2df8bcd127cae88 [INFO] running `"docker" "start" "-a" "76d592b23da6f75e120a4caeeace65662d4da53fdb44fcfce2df8bcd127cae88"` [INFO] [stderr] Checking euler-rust-21 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | v.iter().fold(0, |sum, x| sum + x) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | v.iter().fold(0, |sum, x| sum + x) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `"docker" "inspect" "76d592b23da6f75e120a4caeeace65662d4da53fdb44fcfce2df8bcd127cae88"` [INFO] running `"docker" "rm" "-f" "76d592b23da6f75e120a4caeeace65662d4da53fdb44fcfce2df8bcd127cae88"` [INFO] [stdout] 76d592b23da6f75e120a4caeeace65662d4da53fdb44fcfce2df8bcd127cae88