[INFO] updating cached repository gagyibenedek/rust-fun
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gagyibenedek/rust-fun
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gagyibenedek/rust-fun" "work/ex/clippy-test-run/sources/stable/gh/gagyibenedek/rust-fun"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/gagyibenedek/rust-fun'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gagyibenedek/rust-fun" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gagyibenedek/rust-fun"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gagyibenedek/rust-fun'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 879bc7aeed84808e9ae9ae8b21981e9e81fe3391
[INFO] sha for GitHub repo gagyibenedek/rust-fun: 879bc7aeed84808e9ae9ae8b21981e9e81fe3391
[INFO] validating manifest of gagyibenedek/rust-fun 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 gagyibenedek/rust-fun 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 gagyibenedek/rust-fun
[INFO] finished frobbing gagyibenedek/rust-fun
[INFO] frobbed toml for gagyibenedek/rust-fun written to work/ex/clippy-test-run/sources/stable/gh/gagyibenedek/rust-fun/Cargo.toml
[INFO] started frobbing gagyibenedek/rust-fun
[INFO] finished frobbing gagyibenedek/rust-fun
[INFO] frobbed toml for gagyibenedek/rust-fun written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gagyibenedek/rust-fun/Cargo.toml
[INFO] crate gagyibenedek/rust-fun 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 gagyibenedek/rust-fun against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/gagyibenedek/rust-fun:/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] 528cce5de047aabf9d016c3aae175e464829fce57285c5b24c50a19adcc361cf
[INFO] running `"docker" "start" "-a" "528cce5de047aabf9d016c3aae175e464829fce57285c5b24c50a19adcc361cf"`
[INFO] [stderr]    Compiling rayon-core v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking triangle 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:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let ref mut fout = File::create(&Path::new(file_out)).unwrap();
[INFO] [stderr]    |     ----^^^^^^^^^^^^----------------------------------------------- help: try: `let fout = &mut File::create(&Path::new(file_out)).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:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let ref mut fout = File::create(&Path::new(file_out)).unwrap();
[INFO] [stderr]    |     ----^^^^^^^^^^^^----------------------------------------------- help: try: `let fout = &mut File::create(&Path::new(file_out)).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 13.36s
[INFO] running `"docker" "inspect" "528cce5de047aabf9d016c3aae175e464829fce57285c5b24c50a19adcc361cf"`
[INFO] running `"docker" "rm" "-f" "528cce5de047aabf9d016c3aae175e464829fce57285c5b24c50a19adcc361cf"`
[INFO] [stdout] 528cce5de047aabf9d016c3aae175e464829fce57285c5b24c50a19adcc361cf