[INFO] updating cached repository FauxFaux/rotaters
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FauxFaux/rotaters
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/rotaters" "work/ex/clippy-test-run/sources/stable/gh/FauxFaux/rotaters"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/FauxFaux/rotaters'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/rotaters" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FauxFaux/rotaters"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FauxFaux/rotaters'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ecadcc27507ef3c0170c0b061ccd8fa1959dd77c
[INFO] sha for GitHub repo FauxFaux/rotaters: ecadcc27507ef3c0170c0b061ccd8fa1959dd77c
[INFO] validating manifest of FauxFaux/rotaters 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 FauxFaux/rotaters 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 FauxFaux/rotaters
[INFO] finished frobbing FauxFaux/rotaters
[INFO] frobbed toml for FauxFaux/rotaters written to work/ex/clippy-test-run/sources/stable/gh/FauxFaux/rotaters/Cargo.toml
[INFO] started frobbing FauxFaux/rotaters
[INFO] finished frobbing FauxFaux/rotaters
[INFO] frobbed toml for FauxFaux/rotaters written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FauxFaux/rotaters/Cargo.toml
[INFO] crate FauxFaux/rotaters 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 FauxFaux/rotaters against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/FauxFaux/rotaters:/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] c6d159e74af376a203974fb3bd92d2eb9719cc7b7542b5dc57c8b0b1953c992a
[INFO] running `"docker" "start" "-a" "c6d159e74af376a203974fb3bd92d2eb9719cc7b7542b5dc57c8b0b1953c992a"`
[INFO] [stderr]     Checking rotaters v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let prefix = env::args().nth(1).unwrap_or("rotaters-".to_string());
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "rotaters-".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let prefix = env::args().nth(1).unwrap_or("rotaters-".to_string());
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "rotaters-".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "c6d159e74af376a203974fb3bd92d2eb9719cc7b7542b5dc57c8b0b1953c992a"`
[INFO] running `"docker" "rm" "-f" "c6d159e74af376a203974fb3bd92d2eb9719cc7b7542b5dc57c8b0b1953c992a"`
[INFO] [stdout] c6d159e74af376a203974fb3bd92d2eb9719cc7b7542b5dc57c8b0b1953c992a