[INFO] updating cached repository kodai12/madelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kodai12/madelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kodai12/madelbrot" "work/ex/clippy-test-run/sources/stable/gh/kodai12/madelbrot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kodai12/madelbrot'...
[INFO] [stderr] done.
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[INFO] running `"git" "clone" "work/cache/sources/gh/kodai12/madelbrot" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kodai12/madelbrot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kodai12/madelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c80bb940c6de87a26bde985307c4c3b90f825322
[INFO] sha for GitHub repo kodai12/madelbrot: c80bb940c6de87a26bde985307c4c3b90f825322
[INFO] validating manifest of kodai12/madelbrot 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 kodai12/madelbrot 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 kodai12/madelbrot
[INFO] finished frobbing kodai12/madelbrot
[INFO] frobbed toml for kodai12/madelbrot written to work/ex/clippy-test-run/sources/stable/gh/kodai12/madelbrot/Cargo.toml
[INFO] started frobbing kodai12/madelbrot
[INFO] finished frobbing kodai12/madelbrot
[INFO] frobbed toml for kodai12/madelbrot written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kodai12/madelbrot/Cargo.toml
[INFO] crate kodai12/madelbrot 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 kodai12/madelbrot 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/kodai12/madelbrot:/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] bb78bd7dbea19a53cd9a6cc407d7134df0e76afd335297f6b30e18027b8e59e2
[INFO] running `"docker" "start" "-a" "bb78bd7dbea19a53cd9a6cc407d7134df0e76afd335297f6b30e18027b8e59e2"`
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:98:9
[INFO] [stderr]     |
[INFO] [stderr] 98  | /         writeln!(
[INFO] [stderr] 99  | |             std::io::stderr(),
[INFO] [stderr] 100 | |             "Usage: mandelbrot FILE PIXELS UPPERLEFT LOWERRIGHT"
[INFO] [stderr] 101 | |         ).unwrap();
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | /         writeln!(
[INFO] [stderr] 103 | |             std::io::stderr(),
[INFO] [stderr] 104 | |             "Example: {} mandel.png 1000x750 -1.20,0.35 -1,0.20",
[INFO] [stderr] 105 | |             args[0]
[INFO] [stderr] 106 | |         ).unwrap();
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:98:9
[INFO] [stderr]     |
[INFO] [stderr] 98  | /         writeln!(
[INFO] [stderr] 99  | |             std::io::stderr(),
[INFO] [stderr] 100 | |             "Usage: mandelbrot FILE PIXELS UPPERLEFT LOWERRIGHT"
[INFO] [stderr] 101 | |         ).unwrap();
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | /         writeln!(
[INFO] [stderr] 103 | |             std::io::stderr(),
[INFO] [stderr] 104 | |             "Example: {} mandel.png 1000x750 -1.20,0.35 -1,0.20",
[INFO] [stderr] 105 | |             args[0]
[INFO] [stderr] 106 | |         ).unwrap();
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `"docker" "inspect" "bb78bd7dbea19a53cd9a6cc407d7134df0e76afd335297f6b30e18027b8e59e2"`
[INFO] running `"docker" "rm" "-f" "bb78bd7dbea19a53cd9a6cc407d7134df0e76afd335297f6b30e18027b8e59e2"`
[INFO] [stdout] bb78bd7dbea19a53cd9a6cc407d7134df0e76afd335297f6b30e18027b8e59e2