[INFO] updating cached repository Tygrak/SierpiangleRs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tygrak/SierpiangleRs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tygrak/SierpiangleRs" "work/ex/clippy-test-run/sources/stable/gh/Tygrak/SierpiangleRs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Tygrak/SierpiangleRs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tygrak/SierpiangleRs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tygrak/SierpiangleRs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tygrak/SierpiangleRs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c546d46d91509ed9ae00c231d6b8d2940a501f39
[INFO] sha for GitHub repo Tygrak/SierpiangleRs: c546d46d91509ed9ae00c231d6b8d2940a501f39
[INFO] validating manifest of Tygrak/SierpiangleRs 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 Tygrak/SierpiangleRs 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 Tygrak/SierpiangleRs
[INFO] finished frobbing Tygrak/SierpiangleRs
[INFO] frobbed toml for Tygrak/SierpiangleRs written to work/ex/clippy-test-run/sources/stable/gh/Tygrak/SierpiangleRs/Cargo.toml
[INFO] started frobbing Tygrak/SierpiangleRs
[INFO] finished frobbing Tygrak/SierpiangleRs
[INFO] frobbed toml for Tygrak/SierpiangleRs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tygrak/SierpiangleRs/Cargo.toml
[INFO] crate Tygrak/SierpiangleRs 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 Tygrak/SierpiangleRs 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/Tygrak/SierpiangleRs:/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] aef6bc17056ad4375519912ef66543e4348e8f8f75127617f545e894dbfdd751
[INFO] running `"docker" "start" "-a" "aef6bc17056ad4375519912ef66543e4348e8f8f75127617f545e894dbfdd751"`
[INFO] [stderr]     Checking sierpiangle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut counter: u32 = 1000000;
[INFO] [stderr]    |                            ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut counter: u32 = 1000000;
[INFO] [stderr]    |                            ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let ref mut fout = File::create(&Path::new("tri.png")).unwrap();
[INFO] [stderr]    |     ----^^^^^^^^^^^^------------------------------------------------ help: try: `let fout = &mut File::create(&Path::new("tri.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:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let ref mut fout = File::create(&Path::new("tri.png")).unwrap();
[INFO] [stderr]    |     ----^^^^^^^^^^^^------------------------------------------------ help: try: `let fout = &mut File::create(&Path::new("tri.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 2.67s
[INFO] running `"docker" "inspect" "aef6bc17056ad4375519912ef66543e4348e8f8f75127617f545e894dbfdd751"`
[INFO] running `"docker" "rm" "-f" "aef6bc17056ad4375519912ef66543e4348e8f8f75127617f545e894dbfdd751"`
[INFO] [stdout] aef6bc17056ad4375519912ef66543e4348e8f8f75127617f545e894dbfdd751