[INFO] updating cached repository davesque/sierpinski [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/davesque/sierpinski [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/davesque/sierpinski" "work/ex/clippy-test-run/sources/stable/gh/davesque/sierpinski"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/davesque/sierpinski'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/davesque/sierpinski" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/davesque/sierpinski"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/davesque/sierpinski'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7412857bca757634b27bc2a825f4961583748cc3 [INFO] sha for GitHub repo davesque/sierpinski: 7412857bca757634b27bc2a825f4961583748cc3 [INFO] validating manifest of davesque/sierpinski 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 davesque/sierpinski 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 davesque/sierpinski [INFO] finished frobbing davesque/sierpinski [INFO] frobbed toml for davesque/sierpinski written to work/ex/clippy-test-run/sources/stable/gh/davesque/sierpinski/Cargo.toml [INFO] started frobbing davesque/sierpinski [INFO] finished frobbing davesque/sierpinski [INFO] frobbed toml for davesque/sierpinski written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/davesque/sierpinski/Cargo.toml [INFO] crate davesque/sierpinski 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 davesque/sierpinski against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/davesque/sierpinski:/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] 6bbb58ef42235a4e11daf8ff28cb6da5f2cced35db3f6ea2d12a454004a8a6f3 [INFO] running `"docker" "start" "-a" "6bbb58ef42235a4e11daf8ff28cb6da5f2cced35db3f6ea2d12a454004a8a6f3"` [INFO] [stderr] Checking num-rational v0.1.35 [INFO] [stderr] Checking rayon v0.6.0 [INFO] [stderr] Checking png v0.6.2 [INFO] [stderr] Checking jpeg-decoder v0.1.11 [INFO] [stderr] Checking image v0.12.3 [INFO] [stderr] Checking sierpinski 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:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | let ref mut out = File::create(&Path::new("sierpinski.png")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^------------------------------------------------------- help: try: `let out = &mut File::create(&Path::new("sierpinski.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:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | let ref mut out = File::create(&Path::new("sierpinski.png")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^------------------------------------------------------- help: try: `let out = &mut File::create(&Path::new("sierpinski.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 12.80s [INFO] running `"docker" "inspect" "6bbb58ef42235a4e11daf8ff28cb6da5f2cced35db3f6ea2d12a454004a8a6f3"` [INFO] running `"docker" "rm" "-f" "6bbb58ef42235a4e11daf8ff28cb6da5f2cced35db3f6ea2d12a454004a8a6f3"` [INFO] [stdout] 6bbb58ef42235a4e11daf8ff28cb6da5f2cced35db3f6ea2d12a454004a8a6f3