[INFO] updating cached repository fasihrana/glutin_multiwindow_example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fasihrana/glutin_multiwindow_example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fasihrana/glutin_multiwindow_example" "work/ex/clippy-test-run/sources/stable/gh/fasihrana/glutin_multiwindow_example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/fasihrana/glutin_multiwindow_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fasihrana/glutin_multiwindow_example" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fasihrana/glutin_multiwindow_example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fasihrana/glutin_multiwindow_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40cdc7507a2462d58916c354f0d2322386897dd8
[INFO] sha for GitHub repo fasihrana/glutin_multiwindow_example: 40cdc7507a2462d58916c354f0d2322386897dd8
[INFO] validating manifest of fasihrana/glutin_multiwindow_example 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 fasihrana/glutin_multiwindow_example 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 fasihrana/glutin_multiwindow_example
[INFO] finished frobbing fasihrana/glutin_multiwindow_example
[INFO] frobbed toml for fasihrana/glutin_multiwindow_example written to work/ex/clippy-test-run/sources/stable/gh/fasihrana/glutin_multiwindow_example/Cargo.toml
[INFO] started frobbing fasihrana/glutin_multiwindow_example
[INFO] finished frobbing fasihrana/glutin_multiwindow_example
[INFO] frobbed toml for fasihrana/glutin_multiwindow_example written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fasihrana/glutin_multiwindow_example/Cargo.toml
[INFO] crate fasihrana/glutin_multiwindow_example 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 fasihrana/glutin_multiwindow_example 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/fasihrana/glutin_multiwindow_example:/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] 3eb63a39f5cab4f6bdd89c4960988ef4b7eec08d3f428f30104bd9a8e596c4b2
[INFO] running `"docker" "start" "-a" "3eb63a39f5cab4f6bdd89c4960988ef4b7eec08d3f428f30104bd9a8e596c4b2"`
[INFO] [stderr]    Compiling gleam v0.6.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking glutin v0.18.0
[INFO] [stderr]     Checking mwindowsample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `new`
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut new = 0;
[INFO] [stderr]    |                 ^^^ help: consider using `_new` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut new = 0;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[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:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 | /             match e {
[INFO] [stderr] 38 | |                 glutin::Event::WindowEvent {event, ..} => {
[INFO] [stderr] 39 | |                     match event {
[INFO] [stderr] 40 | |                         glutin::WindowEvent::CloseRequested => {
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |                 _=>(),
[INFO] [stderr] 52 | |             }
[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] 37 |             if let glutin::Event::WindowEvent {event, ..} = e {
[INFO] [stderr] 38 |     match event {
[INFO] [stderr] 39 |         glutin::WindowEvent::CloseRequested => {
[INFO] [stderr] 40 |             exit = true;
[INFO] [stderr] 41 |         },
[INFO] [stderr] 42 |         glutin::WindowEvent::MouseInput{state,..} => {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         self.gl_window.swap_buffers();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if wv.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `wv.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new`
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut new = 0;
[INFO] [stderr]    |                 ^^^ help: consider using `_new` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut new = 0;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[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:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 | /             match e {
[INFO] [stderr] 38 | |                 glutin::Event::WindowEvent {event, ..} => {
[INFO] [stderr] 39 | |                     match event {
[INFO] [stderr] 40 | |                         glutin::WindowEvent::CloseRequested => {
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |                 _=>(),
[INFO] [stderr] 52 | |             }
[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] 37 |             if let glutin::Event::WindowEvent {event, ..} = e {
[INFO] [stderr] 38 |     match event {
[INFO] [stderr] 39 |         glutin::WindowEvent::CloseRequested => {
[INFO] [stderr] 40 |             exit = true;
[INFO] [stderr] 41 |         },
[INFO] [stderr] 42 |         glutin::WindowEvent::MouseInput{state,..} => {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         self.gl_window.swap_buffers();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if wv.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `wv.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `"docker" "inspect" "3eb63a39f5cab4f6bdd89c4960988ef4b7eec08d3f428f30104bd9a8e596c4b2"`
[INFO] running `"docker" "rm" "-f" "3eb63a39f5cab4f6bdd89c4960988ef4b7eec08d3f428f30104bd9a8e596c4b2"`
[INFO] [stdout] 3eb63a39f5cab4f6bdd89c4960988ef4b7eec08d3f428f30104bd9a8e596c4b2