[INFO] updating cached repository IanConnolly/which.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IanConnolly/which.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IanConnolly/which.rs" "work/ex/clippy-test-run/sources/stable/gh/IanConnolly/which.rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/IanConnolly/which.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IanConnolly/which.rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/IanConnolly/which.rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/IanConnolly/which.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5013c3a4bc5f9eb98f3f30a5ca43f4590d384bed
[INFO] sha for GitHub repo IanConnolly/which.rs: 5013c3a4bc5f9eb98f3f30a5ca43f4590d384bed
[INFO] validating manifest of IanConnolly/which.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 IanConnolly/which.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 IanConnolly/which.rs
[INFO] finished frobbing IanConnolly/which.rs
[INFO] frobbed toml for IanConnolly/which.rs written to work/ex/clippy-test-run/sources/stable/gh/IanConnolly/which.rs/Cargo.toml
[INFO] started frobbing IanConnolly/which.rs
[INFO] finished frobbing IanConnolly/which.rs
[INFO] frobbed toml for IanConnolly/which.rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/IanConnolly/which.rs/Cargo.toml
[INFO] crate IanConnolly/which.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 IanConnolly/which.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-5/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/IanConnolly/which.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] 1fee08ed3bcbaf301b282409d0ea139c90541106a607f95919a88f58fb09f724
[INFO] running `"docker" "start" "-a" "1fee08ed3bcbaf301b282409d0ea139c90541106a607f95919a88f58fb09f724"`
[INFO] [stderr]     Checking which v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/main.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     if args.len() < 1 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let directories = path.split(":").map(Path::new).collect::<Vec<&Path>>();
[INFO] [stderr]    |                                  ^^^ help: try using a char instead: `':'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/main.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     if args.len() < 1 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let directories = path.split(":").map(Path::new).collect::<Vec<&Path>>();
[INFO] [stderr]    |                                  ^^^ help: try using a char instead: `':'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "1fee08ed3bcbaf301b282409d0ea139c90541106a607f95919a88f58fb09f724"`
[INFO] running `"docker" "rm" "-f" "1fee08ed3bcbaf301b282409d0ea139c90541106a607f95919a88f58fb09f724"`
[INFO] [stdout] 1fee08ed3bcbaf301b282409d0ea139c90541106a607f95919a88f58fb09f724