[INFO] updating cached repository weather-bot/meow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/weather-bot/meow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/weather-bot/meow" "work/ex/clippy-test-run/sources/stable/gh/weather-bot/meow"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/weather-bot/meow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/weather-bot/meow" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/weather-bot/meow"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/weather-bot/meow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3555aa809a42a3b0862c0577979ccd02c59b095a
[INFO] sha for GitHub repo weather-bot/meow: 3555aa809a42a3b0862c0577979ccd02c59b095a
[INFO] validating manifest of weather-bot/meow 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 weather-bot/meow 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 weather-bot/meow
[INFO] finished frobbing weather-bot/meow
[INFO] frobbed toml for weather-bot/meow written to work/ex/clippy-test-run/sources/stable/gh/weather-bot/meow/Cargo.toml
[INFO] started frobbing weather-bot/meow
[INFO] finished frobbing weather-bot/meow
[INFO] frobbed toml for weather-bot/meow written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/weather-bot/meow/Cargo.toml
[INFO] crate weather-bot/meow 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 weather-bot/meow 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/weather-bot/meow:/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] 4a99eed978567c493830c523d630b99c8a0150e1cbef6e9b6b2a7e765c4096d0
[INFO] running `"docker" "start" "-a" "4a99eed978567c493830c523d630b99c8a0150e1cbef6e9b6b2a7e765c4096d0"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking imageproc v0.15.0
[INFO] [stderr]     Checking meow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/draw.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     let _ = origin_img.save(Path::new(output_path)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/draw.rs:498:5
[INFO] [stderr]     |
[INFO] [stderr] 498 |     let _ = origin_img.save(Path::new(output_path)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 | /             match draw_corner(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 45 | |                 Err(e) => {
[INFO] [stderr] 46 | |                     eprintln!("{}", e);
[INFO] [stderr] 47 | |                     process::exit(1);
[INFO] [stderr] 48 | |                 }
[INFO] [stderr] 49 | |                 _ => {}
[INFO] [stderr] 50 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 44 |             if let Err(e) = draw_corner(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 45 |     eprintln!("{}", e);
[INFO] [stderr] 46 |     process::exit(1);
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 | /             match draw_bottom(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 54 | |                 Err(e) => {
[INFO] [stderr] 55 | |                     eprintln!("{}", e);
[INFO] [stderr] 56 | |                     process::exit(1);
[INFO] [stderr] 57 | |                 }
[INFO] [stderr] 58 | |                 _ => {}
[INFO] [stderr] 59 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 53 |             if let Err(e) = draw_bottom(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 54 |     eprintln!("{}", e);
[INFO] [stderr] 55 |     process::exit(1);
[INFO] [stderr] 56 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/draw.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     let _ = origin_img.save(Path::new(output_path)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/draw.rs:498:5
[INFO] [stderr]     |
[INFO] [stderr] 498 |     let _ = origin_img.save(Path::new(output_path)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 | /             match draw_corner(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 45 | |                 Err(e) => {
[INFO] [stderr] 46 | |                     eprintln!("{}", e);
[INFO] [stderr] 47 | |                     process::exit(1);
[INFO] [stderr] 48 | |                 }
[INFO] [stderr] 49 | |                 _ => {}
[INFO] [stderr] 50 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 44 |             if let Err(e) = draw_corner(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 45 |     eprintln!("{}", e);
[INFO] [stderr] 46 |     process::exit(1);
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 | /             match draw_bottom(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 54 | |                 Err(e) => {
[INFO] [stderr] 55 | |                     eprintln!("{}", e);
[INFO] [stderr] 56 | |                     process::exit(1);
[INFO] [stderr] 57 | |                 }
[INFO] [stderr] 58 | |                 _ => {}
[INFO] [stderr] 59 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 53 |             if let Err(e) = draw_bottom(&input_image_path, &info, &output_image_path) {
[INFO] [stderr] 54 |     eprintln!("{}", e);
[INFO] [stderr] 55 |     process::exit(1);
[INFO] [stderr] 56 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "4a99eed978567c493830c523d630b99c8a0150e1cbef6e9b6b2a7e765c4096d0"`
[INFO] running `"docker" "rm" "-f" "4a99eed978567c493830c523d630b99c8a0150e1cbef6e9b6b2a7e765c4096d0"`
[INFO] [stdout] 4a99eed978567c493830c523d630b99c8a0150e1cbef6e9b6b2a7e765c4096d0