[INFO] updating cached repository iturgeon/Rust-Hello-World [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/iturgeon/Rust-Hello-World [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/iturgeon/Rust-Hello-World" "work/ex/clippy-test-run/sources/stable/gh/iturgeon/Rust-Hello-World"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/iturgeon/Rust-Hello-World'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iturgeon/Rust-Hello-World" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iturgeon/Rust-Hello-World"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iturgeon/Rust-Hello-World'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bec9951e7bb07cd42e7b1bb7c371e330e1af5b5d [INFO] sha for GitHub repo iturgeon/Rust-Hello-World: bec9951e7bb07cd42e7b1bb7c371e330e1af5b5d [INFO] validating manifest of iturgeon/Rust-Hello-World 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 iturgeon/Rust-Hello-World 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 iturgeon/Rust-Hello-World [INFO] finished frobbing iturgeon/Rust-Hello-World [INFO] frobbed toml for iturgeon/Rust-Hello-World written to work/ex/clippy-test-run/sources/stable/gh/iturgeon/Rust-Hello-World/Cargo.toml [INFO] started frobbing iturgeon/Rust-Hello-World [INFO] finished frobbing iturgeon/Rust-Hello-World [INFO] frobbed toml for iturgeon/Rust-Hello-World written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iturgeon/Rust-Hello-World/Cargo.toml [INFO] crate iturgeon/Rust-Hello-World 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 iturgeon/Rust-Hello-World 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-4/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/iturgeon/Rust-Hello-World:/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] 4b04e545d9479b69de3ecfb213f73cd79b73589e7c71156792929c2d4c1bf174 [INFO] running `"docker" "start" "-a" "4b04e545d9479b69de3ecfb213f73cd79b73589e7c71156792929c2d4c1bf174"` [INFO] [stderr] Checking hello_world v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/main.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | return guess; [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove `return` as shown: `guess` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/main.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | return guess; [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove `return` as shown: `guess` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "4b04e545d9479b69de3ecfb213f73cd79b73589e7c71156792929c2d4c1bf174"` [INFO] running `"docker" "rm" "-f" "4b04e545d9479b69de3ecfb213f73cd79b73589e7c71156792929c2d4c1bf174"` [INFO] [stdout] 4b04e545d9479b69de3ecfb213f73cd79b73589e7c71156792929c2d4c1bf174