[INFO] updating cached repository tomddolezal/dir.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomddolezal/dir.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomddolezal/dir.rs" "work/ex/clippy-test-run/sources/stable/gh/tomddolezal/dir.rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tomddolezal/dir.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomddolezal/dir.rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tomddolezal/dir.rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tomddolezal/dir.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94b32c5dc59c6dcf712f5ebc7d23d742711a5ff7
[INFO] sha for GitHub repo tomddolezal/dir.rs: 94b32c5dc59c6dcf712f5ebc7d23d742711a5ff7
[INFO] validating manifest of tomddolezal/dir.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 tomddolezal/dir.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 tomddolezal/dir.rs
[INFO] finished frobbing tomddolezal/dir.rs
[INFO] frobbed toml for tomddolezal/dir.rs written to work/ex/clippy-test-run/sources/stable/gh/tomddolezal/dir.rs/Cargo.toml
[INFO] started frobbing tomddolezal/dir.rs
[INFO] finished frobbing tomddolezal/dir.rs
[INFO] frobbed toml for tomddolezal/dir.rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tomddolezal/dir.rs/Cargo.toml
[INFO] crate tomddolezal/dir.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 tomddolezal/dir.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-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/tomddolezal/dir.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] d8bb724b4f82d6acb37495666e2fdbf097080b89cd371d5496bbc4dcb72d5ef0
[INFO] running `"docker" "start" "-a" "d8bb724b4f82d6acb37495666e2fdbf097080b89cd371d5496bbc4dcb72d5ef0"`
[INFO] [stderr]     Checking dir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/main.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | /     let mut dir = env::current_dir();
[INFO] [stderr] 8  | |
[INFO] [stderr] 9  | |     if args.len() > 1 {
[INFO] [stderr] 10 | |         dir = fs::canonicalize(PathBuf::from(&args[1]));
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^ help: it is more idiomatic to write: `let <mut> dir = if args.len() > 1 { fs::canonicalize(PathBuf::from(&args[1])) } else { env::current_dir() };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = note: you might not need `mut` at all
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/main.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | /     let mut dir = env::current_dir();
[INFO] [stderr] 8  | |
[INFO] [stderr] 9  | |     if args.len() > 1 {
[INFO] [stderr] 10 | |         dir = fs::canonicalize(PathBuf::from(&args[1]));
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^ help: it is more idiomatic to write: `let <mut> dir = if args.len() > 1 { fs::canonicalize(PathBuf::from(&args[1])) } else { env::current_dir() };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = note: you might not need `mut` at all
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "d8bb724b4f82d6acb37495666e2fdbf097080b89cd371d5496bbc4dcb72d5ef0"`
[INFO] running `"docker" "rm" "-f" "d8bb724b4f82d6acb37495666e2fdbf097080b89cd371d5496bbc4dcb72d5ef0"`
[INFO] [stdout] d8bb724b4f82d6acb37495666e2fdbf097080b89cd371d5496bbc4dcb72d5ef0