[INFO] updating cached repository Nyrox/gui-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nyrox/gui-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nyrox/gui-rs" "work/ex/clippy-test-run/sources/stable/gh/Nyrox/gui-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Nyrox/gui-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nyrox/gui-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nyrox/gui-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nyrox/gui-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6aa87203260bab103cc4a0b176648d922c79b435
[INFO] sha for GitHub repo Nyrox/gui-rs: 6aa87203260bab103cc4a0b176648d922c79b435
[INFO] validating manifest of Nyrox/gui-rs 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 Nyrox/gui-rs 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 Nyrox/gui-rs
[INFO] finished frobbing Nyrox/gui-rs
[INFO] frobbed toml for Nyrox/gui-rs written to work/ex/clippy-test-run/sources/stable/gh/Nyrox/gui-rs/Cargo.toml
[INFO] started frobbing Nyrox/gui-rs
[INFO] finished frobbing Nyrox/gui-rs
[INFO] frobbed toml for Nyrox/gui-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nyrox/gui-rs/Cargo.toml
[INFO] crate Nyrox/gui-rs 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 Nyrox/gui-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Nyrox/gui-rs:/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] 8e820847352032e29b0522bdaa9718dec6f1730c79e05f7e8caf5b8a350c9ce8
[INFO] running `"docker" "start" "-a" "8e820847352032e29b0522bdaa9718dec6f1730c79e05f7e8caf5b8a350c9ce8"`
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking piston2d-graphics v0.24.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.48.0
[INFO] [stderr]     Checking piston_window v0.75.0
[INFO] [stderr]     Checking gui v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/element.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         return self.counter;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.counter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/element.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         return self.counter;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.counter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_width`
[INFO] [stderr]   --> src/element.rs:70:7
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let line_width = self.computed_style.content_box.width;
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider using `_line_width` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Percent`
[INFO] [stderr]   --> src/style.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Percent(f64)
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_width`
[INFO] [stderr]   --> src/element.rs:70:7
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let line_width = self.computed_style.content_box.width;
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider using `_line_width` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Percent`
[INFO] [stderr]   --> src/style.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Percent(f64)
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.43s
[INFO] running `"docker" "inspect" "8e820847352032e29b0522bdaa9718dec6f1730c79e05f7e8caf5b8a350c9ce8"`
[INFO] running `"docker" "rm" "-f" "8e820847352032e29b0522bdaa9718dec6f1730c79e05f7e8caf5b8a350c9ce8"`
[INFO] [stdout] 8e820847352032e29b0522bdaa9718dec6f1730c79e05f7e8caf5b8a350c9ce8