[INFO] updating cached repository humantree/rusty-boy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/humantree/rusty-boy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/humantree/rusty-boy" "work/ex/clippy-test-run/sources/stable/gh/humantree/rusty-boy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/humantree/rusty-boy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/humantree/rusty-boy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humantree/rusty-boy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humantree/rusty-boy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a74d6810c20133cfe8b1df2fd42bb7e561b4b842
[INFO] sha for GitHub repo humantree/rusty-boy: a74d6810c20133cfe8b1df2fd42bb7e561b4b842
[INFO] validating manifest of humantree/rusty-boy 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 humantree/rusty-boy 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 humantree/rusty-boy
[INFO] finished frobbing humantree/rusty-boy
[INFO] frobbed toml for humantree/rusty-boy written to work/ex/clippy-test-run/sources/stable/gh/humantree/rusty-boy/Cargo.toml
[INFO] started frobbing humantree/rusty-boy
[INFO] finished frobbing humantree/rusty-boy
[INFO] frobbed toml for humantree/rusty-boy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humantree/rusty-boy/Cargo.toml
[INFO] crate humantree/rusty-boy 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 humantree/rusty-boy against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humantree/rusty-boy:/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 -Dclippy::into_iter_on_array" "-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] cbcd41e1b01d8a9b75e6f608498585e3059443409f04cc0bf16b9a3079be5bfa
[INFO] running `"docker" "start" "-a" "cbcd41e1b01d8a9b75e6f608498585e3059443409f04cc0bf16b9a3079be5bfa"`
[INFO] [stderr]     Checking rusty-boy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 |         ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(second_byte)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |         ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: try: `u16::from(first_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:273:22
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let result = (lhs as u16) + (rhs as u16) + (cy as u16);
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try: `u16::from(lhs)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:273:37
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let result = (lhs as u16) + (rhs as u16) + (cy as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: try: `u16::from(rhs)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:273:52
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let result = (lhs as u16) + (rhs as u16) + (cy as u16);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^ help: try: `u16::from(cy)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.flags.cy = rhs as i16 > (lhs as i16) - (cy as i16);
[INFO] [stderr]     |                         ^^^^^^^^^^ help: try: `i16::from(rhs)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:283:38
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.flags.cy = rhs as i16 > (lhs as i16) - (cy as i16);
[INFO] [stderr]     |                                      ^^^^^^^^^^^^ help: try: `i16::from(lhs)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:283:53
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.flags.cy = rhs as i16 > (lhs as i16) - (cy as i16);
[INFO] [stderr]     |                                                     ^^^^^^^^^^^ help: try: `i16::from(cy)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:301:14
[INFO] [stderr]     |
[INFO] [stderr] 301 |     0xFF00 + offset as u16
[INFO] [stderr]     |              ^^^^^^^^^^^^^ help: try: `u16::from(offset)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/disassembler.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |                        memory: &Vec<u8>,
[INFO] [stderr]   |                                ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/disassembler.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_next_two_bytes(memory: &Vec<u8>, program_counter: u16) -> u16 {
[INFO] [stderr]    |                               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/disassembler.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(second_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/disassembler.rs:35:35
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^ help: try: `u16::from(first_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |             BC => ((self.b as u16) << 8) + (self.c as u16),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.b)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:36:44
[INFO] [stderr]    |
[INFO] [stderr] 36 |             BC => ((self.b as u16) << 8) + (self.c as u16),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |             DE => ((self.d as u16) << 8) + (self.e as u16),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.d)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:37:44
[INFO] [stderr]    |
[INFO] [stderr] 37 |             DE => ((self.d as u16) << 8) + (self.e as u16),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.e)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |             HL => ((self.h as u16) << 8) + (self.l as u16),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.h)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |             HL => ((self.h as u16) << 8) + (self.l as u16),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.l)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 |         ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(second_byte)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |         ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: try: `u16::from(first_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:273:22
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let result = (lhs as u16) + (rhs as u16) + (cy as u16);
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try: `u16::from(lhs)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:273:37
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let result = (lhs as u16) + (rhs as u16) + (cy as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: try: `u16::from(rhs)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:273:52
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let result = (lhs as u16) + (rhs as u16) + (cy as u16);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^ help: try: `u16::from(cy)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.flags.cy = rhs as i16 > (lhs as i16) - (cy as i16);
[INFO] [stderr]     |                         ^^^^^^^^^^ help: try: `i16::from(rhs)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:283:38
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.flags.cy = rhs as i16 > (lhs as i16) - (cy as i16);
[INFO] [stderr]     |                                      ^^^^^^^^^^^^ help: try: `i16::from(lhs)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:283:53
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.flags.cy = rhs as i16 > (lhs as i16) - (cy as i16);
[INFO] [stderr]     |                                                     ^^^^^^^^^^^ help: try: `i16::from(cy)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:301:14
[INFO] [stderr]     |
[INFO] [stderr] 301 |     0xFF00 + offset as u16
[INFO] [stderr]     |              ^^^^^^^^^^^^^ help: try: `u16::from(offset)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/disassembler.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |                        memory: &Vec<u8>,
[INFO] [stderr]   |                                ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/disassembler.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_next_two_bytes(memory: &Vec<u8>, program_counter: u16) -> u16 {
[INFO] [stderr]    |                               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/disassembler.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(second_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/disassembler.rs:35:35
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ((second_byte as u16) << 8) + first_byte as u16
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^ help: try: `u16::from(first_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |             BC => ((self.b as u16) << 8) + (self.c as u16),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.b)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:36:44
[INFO] [stderr]    |
[INFO] [stderr] 36 |             BC => ((self.b as u16) << 8) + (self.c as u16),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.c)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |             DE => ((self.d as u16) << 8) + (self.e as u16),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.d)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:37:44
[INFO] [stderr]    |
[INFO] [stderr] 37 |             DE => ((self.d as u16) << 8) + (self.e as u16),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.e)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |             HL => ((self.h as u16) << 8) + (self.l as u16),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.h)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/registers.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |             HL => ((self.h as u16) << 8) + (self.l as u16),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.l)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "cbcd41e1b01d8a9b75e6f608498585e3059443409f04cc0bf16b9a3079be5bfa"`
[INFO] running `"docker" "rm" "-f" "cbcd41e1b01d8a9b75e6f608498585e3059443409f04cc0bf16b9a3079be5bfa"`
[INFO] [stdout] cbcd41e1b01d8a9b75e6f608498585e3059443409f04cc0bf16b9a3079be5bfa