[INFO] updating cached repository dmiyakawa/rust-gcd-exp [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dmiyakawa/rust-gcd-exp [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dmiyakawa/rust-gcd-exp" "work/ex/clippy-test-run/sources/stable/gh/dmiyakawa/rust-gcd-exp"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dmiyakawa/rust-gcd-exp'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dmiyakawa/rust-gcd-exp" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dmiyakawa/rust-gcd-exp"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dmiyakawa/rust-gcd-exp'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 06768e34f617d4e7a28e0eb18e0fece6965f670a [INFO] sha for GitHub repo dmiyakawa/rust-gcd-exp: 06768e34f617d4e7a28e0eb18e0fece6965f670a [INFO] validating manifest of dmiyakawa/rust-gcd-exp 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 dmiyakawa/rust-gcd-exp 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 dmiyakawa/rust-gcd-exp [INFO] finished frobbing dmiyakawa/rust-gcd-exp [INFO] frobbed toml for dmiyakawa/rust-gcd-exp written to work/ex/clippy-test-run/sources/stable/gh/dmiyakawa/rust-gcd-exp/Cargo.toml [INFO] started frobbing dmiyakawa/rust-gcd-exp [INFO] finished frobbing dmiyakawa/rust-gcd-exp [INFO] frobbed toml for dmiyakawa/rust-gcd-exp written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dmiyakawa/rust-gcd-exp/Cargo.toml [INFO] crate dmiyakawa/rust-gcd-exp 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 dmiyakawa/rust-gcd-exp 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/dmiyakawa/rust-gcd-exp:/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] 25aecb3fa1276eb1fdcc2272d9bfe630dd0294e60b7044e2bbe20758d3848054 [INFO] running `"docker" "start" "-a" "25aecb3fa1276eb1fdcc2272d9bfe630dd0294e60b7044e2bbe20758d3848054"` [INFO] [stderr] Checking gcd v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: this looks like you are swapping `m` and `n` manually [INFO] [stderr] --> src/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | / let t = m; [INFO] [stderr] 6 | | m = n; [INFO] [stderr] 7 | | n = t; [INFO] [stderr] | |_________________^ help: try: `std::mem::swap(&mut m, &mut n)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::manual_swap)] on by default [INFO] [stderr] = note: or maybe you should use `std::mem::replace`? [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | m = m % n; [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `m %= n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: this looks like you are swapping `m` and `n` manually [INFO] [stderr] --> src/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | / let t = m; [INFO] [stderr] 6 | | m = n; [INFO] [stderr] 7 | | n = t; [INFO] [stderr] | |_________________^ help: try: `std::mem::swap(&mut m, &mut n)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::manual_swap)] on by default [INFO] [stderr] = note: or maybe you should use `std::mem::replace`? [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | m = m % n; [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `m %= n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `"docker" "inspect" "25aecb3fa1276eb1fdcc2272d9bfe630dd0294e60b7044e2bbe20758d3848054"` [INFO] running `"docker" "rm" "-f" "25aecb3fa1276eb1fdcc2272d9bfe630dd0294e60b7044e2bbe20758d3848054"` [INFO] [stdout] 25aecb3fa1276eb1fdcc2272d9bfe630dd0294e60b7044e2bbe20758d3848054