[INFO] crate tvis 0.15.3 is already in cache
[INFO] extracting crate tvis 0.15.3 into work/ex/clippy-test-run/sources/stable/reg/tvis/0.15.3
[INFO] extracting crate tvis 0.15.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tvis/0.15.3
[INFO] validating manifest of tvis-0.15.3 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 tvis-0.15.3 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 tvis-0.15.3
[INFO] finished frobbing tvis-0.15.3
[INFO] frobbed toml for tvis-0.15.3 written to work/ex/clippy-test-run/sources/stable/reg/tvis/0.15.3/Cargo.toml
[INFO] started frobbing tvis-0.15.3
[INFO] finished frobbing tvis-0.15.3
[INFO] frobbed toml for tvis-0.15.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tvis/0.15.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 tvis-0.15.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tvis/0.15.3:/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] 91bdabbcf938e0b1a0e73018df917fba98a1156353bd5dffdb52b4a5fd1b5963
[INFO] running `"docker" "start" "-a" "91bdabbcf938e0b1a0e73018df917fba98a1156353bd5dffdb52b4a5fd1b5963"`
[INFO] [stderr]    Compiling tvis v0.15.3 (/opt/crater/workdir)
[INFO] [stderr]     Checking dlx v0.1.0
[INFO] [stderr]     Checking tinf v0.14.0
[INFO] [stderr]     Checking tvis_util v0.5.2
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/term/unix.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |                         let s = &self.setftc;
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/term/unix.rs:227:29
[INFO] [stderr]     |
[INFO] [stderr] 227 |                         let s = &self.setbtc;
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/term/unix.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |                         let s = &self.setftc;
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/term/unix.rs:227:29
[INFO] [stderr]     |
[INFO] [stderr] 227 |                         let s = &self.setbtc;
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `if_same_then_else` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/input/unix/mod.rs:463:48
[INFO] [stderr]     |
[INFO] [stderr] 463 |     #[cfg_attr(feature = "cargo-clippy", allow(if_same_then_else))]
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: change it to: `clippy::if_same_then_else`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/input/unix/mod.rs:573:55
[INFO] [stderr]     |
[INFO] [stderr] 573 |             let u = (((self.bytes[0] as u32) << 18) & 0x1fffff)
[INFO] [stderr]     |                                                       ^^^^^^^^ help: consider: `0x001f_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `if_same_then_else` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/input/unix/mod.rs:463:48
[INFO] [stderr]     |
[INFO] [stderr] 463 |     #[cfg_attr(feature = "cargo-clippy", allow(if_same_then_else))]
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: change it to: `clippy::if_same_then_else`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `if_same_then_else` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/input/unix/mod.rs:463:48
[INFO] [stderr]     |
[INFO] [stderr] 463 |     #[cfg_attr(feature = "cargo-clippy", allow(if_same_then_else))]
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: change it to: `clippy::if_same_then_else`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/input/unix/mod.rs:573:55
[INFO] [stderr]     |
[INFO] [stderr] 573 |             let u = (((self.bytes[0] as u32) << 18) & 0x1fffff)
[INFO] [stderr]     |                                                       ^^^^^^^^ help: consider: `0x001f_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `if_same_then_else` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/input/unix/mod.rs:463:48
[INFO] [stderr]     |
[INFO] [stderr] 463 |     #[cfg_attr(feature = "cargo-clippy", allow(if_same_then_else))]
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: change it to: `clippy::if_same_then_else`
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/term/mod.rs:32:14
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn count(&self) -> u32 {
[INFO] [stderr]    |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/input/unix/esckey.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn is_shifted_key(scap: &cap::String) -> bool {
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: consider passing by value instead: `cap::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/input/unix/mod.rs:145:16
[INFO] [stderr]     |
[INFO] [stderr] 145 |             if len < 1 || !reader.parse_signal(buf).is_ok() {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `len < 1 || reader.parse_signal(buf).is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_micros()` is more concise than this calculation
[INFO] [stderr]    --> src/input/unix/mod.rs:152:41
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let elapsed = i64::from(tstart.elapsed().subsec_nanos() / 1000);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `tstart.elapsed().subsec_micros()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:523:25
[INFO] [stderr]     |
[INFO] [stderr] 523 |                 let u = self.bytes[0] as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let u = ((self.bytes[0] as u32) << 6)
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:540:24
[INFO] [stderr]     |
[INFO] [stderr] 540 |                     | ((self.bytes[1] as u32) & 0x3f);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:556:27
[INFO] [stderr]     |
[INFO] [stderr] 556 |                 let u = (((self.bytes[0] as u32) << 12) & 0xffff)
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:557:25
[INFO] [stderr]     |
[INFO] [stderr] 557 |                     | (((self.bytes[1] as u32) << 6) & 0xfff)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:558:24
[INFO] [stderr]     |
[INFO] [stderr] 558 |                     | ((self.bytes[2] as u32) & 0x3f);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:573:23
[INFO] [stderr]     |
[INFO] [stderr] 573 |             let u = (((self.bytes[0] as u32) << 18) & 0x1fffff)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:574:21
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 | (((self.bytes[1] as u32) << 12) & 0x3ffff)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:575:21
[INFO] [stderr]     |
[INFO] [stderr] 575 |                 | (((self.bytes[2] as u32) << 6) & 0xfff)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:576:20
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 | ((self.bytes[3] as u32) & 0x3f);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[3])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/input/mod.rs:57:54
[INFO] [stderr]    |
[INFO] [stderr] 57 |             unsafe { ::std::char::from_u32_unchecked(byte as u32) },
[INFO] [stderr]    |                                                      ^^^^^^^^^^^ help: try: `u32::from(byte)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/term/mod.rs:32:14
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn count(&self) -> u32 {
[INFO] [stderr]    |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/input/unix/esckey.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn is_shifted_key(scap: &cap::String) -> bool {
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: consider passing by value instead: `cap::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/input/unix/mod.rs:145:16
[INFO] [stderr]     |
[INFO] [stderr] 145 |             if len < 1 || !reader.parse_signal(buf).is_ok() {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `len < 1 || reader.parse_signal(buf).is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_micros()` is more concise than this calculation
[INFO] [stderr]    --> src/input/unix/mod.rs:152:41
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let elapsed = i64::from(tstart.elapsed().subsec_nanos() / 1000);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `tstart.elapsed().subsec_micros()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:523:25
[INFO] [stderr]     |
[INFO] [stderr] 523 |                 let u = self.bytes[0] as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let u = ((self.bytes[0] as u32) << 6)
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:540:24
[INFO] [stderr]     |
[INFO] [stderr] 540 |                     | ((self.bytes[1] as u32) & 0x3f);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:556:27
[INFO] [stderr]     |
[INFO] [stderr] 556 |                 let u = (((self.bytes[0] as u32) << 12) & 0xffff)
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:557:25
[INFO] [stderr]     |
[INFO] [stderr] 557 |                     | (((self.bytes[1] as u32) << 6) & 0xfff)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:558:24
[INFO] [stderr]     |
[INFO] [stderr] 558 |                     | ((self.bytes[2] as u32) & 0x3f);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:573:23
[INFO] [stderr]     |
[INFO] [stderr] 573 |             let u = (((self.bytes[0] as u32) << 18) & 0x1fffff)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:574:21
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 | (((self.bytes[1] as u32) << 12) & 0x3ffff)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:575:21
[INFO] [stderr]     |
[INFO] [stderr] 575 |                 | (((self.bytes[2] as u32) << 6) & 0xfff)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/input/unix/mod.rs:576:20
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 | ((self.bytes[3] as u32) & 0x3f);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.bytes[3])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/input/mod.rs:57:54
[INFO] [stderr]    |
[INFO] [stderr] 57 |             unsafe { ::std::char::from_u32_unchecked(byte as u32) },
[INFO] [stderr]    |                                                      ^^^^^^^^^^^ help: try: `u32::from(byte)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> examples/colors.rs:238:15
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn to_p16(&mut self) {
[INFO] [stderr]     |               ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> examples/colors.rs:245:16
[INFO] [stderr]     |
[INFO] [stderr] 245 |     fn to_p256(&mut self) {
[INFO] [stderr]     |                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> examples/colors.rs:252:16
[INFO] [stderr]     |
[INFO] [stderr] 252 |     fn to_true(&mut self) {
[INFO] [stderr]     |                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> examples/colors.rs:285:20
[INFO] [stderr]     |
[INFO] [stderr] 285 |               if let Some(_) = evt.as_any().downcast_ref::<Tick>() {
[INFO] [stderr]     |  _____________-      ^^^^^^^
[INFO] [stderr] 286 | |                 self.offset += 1;
[INFO] [stderr] 287 | |                 self.paint();
[INFO] [stderr] 288 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if evt.as_any().downcast_ref::<Tick>().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> examples/pentominoes.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 return false;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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]    --> examples/pentominoes.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 return true;
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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]    --> examples/pentominoes.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             return false;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> examples/pentominoes.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn paint(&mut self, sol: &Vec<Vec<Color>>) {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Color>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> examples/pentominoes.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 | /             if (x == self.hole_x || x == self.hole_x + 1)
[INFO] [stderr] 151 | |                 && (y == self.hole_y || y == self.hole_y + 1)
[INFO] [stderr] 152 | |             {
[INFO] [stderr] 153 | |                 return false;
[INFO] [stderr] 154 | |             } else {
[INFO] [stderr] 155 | |                 return true;
[INFO] [stderr] 156 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] help: you can reduce it to
[INFO] [stderr]     |
[INFO] [stderr] 150 |             return !((x == self.hole_x || x == self.hole_x + 1)
[INFO] [stderr] 151 |                 && (y == self.hole_y || y == self.hole_y + 1))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `"docker" "inspect" "91bdabbcf938e0b1a0e73018df917fba98a1156353bd5dffdb52b4a5fd1b5963"`
[INFO] running `"docker" "rm" "-f" "91bdabbcf938e0b1a0e73018df917fba98a1156353bd5dffdb52b4a5fd1b5963"`
[INFO] [stdout] 91bdabbcf938e0b1a0e73018df917fba98a1156353bd5dffdb52b4a5fd1b5963