[INFO] updating cached repository LeoTindall/rjulia
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LeoTindall/rjulia
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LeoTindall/rjulia" "work/ex/clippy-test-run/sources/stable/gh/LeoTindall/rjulia"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LeoTindall/rjulia'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LeoTindall/rjulia" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeoTindall/rjulia"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeoTindall/rjulia'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c39443c6954aec4e902a78bbf5eb7b4832e0535
[INFO] sha for GitHub repo LeoTindall/rjulia: 3c39443c6954aec4e902a78bbf5eb7b4832e0535
[INFO] validating manifest of LeoTindall/rjulia 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 LeoTindall/rjulia 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 LeoTindall/rjulia
[INFO] finished frobbing LeoTindall/rjulia
[INFO] frobbed toml for LeoTindall/rjulia written to work/ex/clippy-test-run/sources/stable/gh/LeoTindall/rjulia/Cargo.toml
[INFO] started frobbing LeoTindall/rjulia
[INFO] finished frobbing LeoTindall/rjulia
[INFO] frobbed toml for LeoTindall/rjulia written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeoTindall/rjulia/Cargo.toml
[INFO] crate LeoTindall/rjulia 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 LeoTindall/rjulia against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/LeoTindall/rjulia:/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] b12d8abafb986b3074231eaea17729db6b62d1cb132c448f06b0df42ef1a2f8a
[INFO] running `"docker" "start" "-a" "b12d8abafb986b3074231eaea17729db6b62d1cb132c448f06b0df42ef1a2f8a"`
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking rjulia-cmd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let ref mut fout = File::create(&Path::new("fractal.png")).unwrap();
[INFO] [stderr]    |     ----^^^^^^^^^^^^---------------------------------------------------- help: try: `let fout = &mut File::create(&Path::new("fractal.png")).unwrap();`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let ref mut fout = File::create(&Path::new("fractal.png")).unwrap();
[INFO] [stderr]    |     ----^^^^^^^^^^^^---------------------------------------------------- help: try: `let fout = &mut File::create(&Path::new("fractal.png")).unwrap();`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `"docker" "inspect" "b12d8abafb986b3074231eaea17729db6b62d1cb132c448f06b0df42ef1a2f8a"`
[INFO] running `"docker" "rm" "-f" "b12d8abafb986b3074231eaea17729db6b62d1cb132c448f06b0df42ef1a2f8a"`
[INFO] [stdout] b12d8abafb986b3074231eaea17729db6b62d1cb132c448f06b0df42ef1a2f8a