[INFO] updating cached repository happenslol/datboi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/happenslol/datboi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/happenslol/datboi" "work/ex/clippy-test-run/sources/stable/gh/happenslol/datboi"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/happenslol/datboi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/happenslol/datboi" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/happenslol/datboi"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/happenslol/datboi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac684a2880c50c3d3516f7220305c46ad1115db0
[INFO] sha for GitHub repo happenslol/datboi: ac684a2880c50c3d3516f7220305c46ad1115db0
[INFO] validating manifest of happenslol/datboi 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 happenslol/datboi 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 happenslol/datboi
[INFO] finished frobbing happenslol/datboi
[INFO] frobbed toml for happenslol/datboi written to work/ex/clippy-test-run/sources/stable/gh/happenslol/datboi/Cargo.toml
[INFO] started frobbing happenslol/datboi
[INFO] finished frobbing happenslol/datboi
[INFO] frobbed toml for happenslol/datboi written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/happenslol/datboi/Cargo.toml
[INFO] crate happenslol/datboi 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 happenslol/datboi 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/gh/happenslol/datboi:/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] e1d1adfbd847f8b1be57bd72d64bb0a0eb10d942ff6d7798ce8fe594df2e51b1
[INFO] running `"docker" "start" "-a" "e1d1adfbd847f8b1be57bd72d64bb0a0eb10d942ff6d7798ce8fe594df2e51b1"`
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling glutin v0.16.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.1
[INFO] [stderr]     Checking winit v0.15.0
[INFO] [stderr]     Checking datboi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/main.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 print!("\n");
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/main.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 print!("\n");
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/registers.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |       WordRegister::AF => ((self.a as u16) << 8) | (self.f as u16),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.a)`
[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/core/registers.rs:57:52
[INFO] [stderr]    |
[INFO] [stderr] 57 |       WordRegister::AF => ((self.a as u16) << 8) | (self.f as u16),
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.f)`
[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/core/registers.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |       WordRegister::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/core/registers.rs:58:52
[INFO] [stderr]    |
[INFO] [stderr] 58 |       WordRegister::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/core/registers.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |       WordRegister::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/core/registers.rs:59:52
[INFO] [stderr]    |
[INFO] [stderr] 59 |       WordRegister::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/core/registers.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |       WordRegister::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/core/registers.rs:60:52
[INFO] [stderr]    |
[INFO] [stderr] 60 |       WordRegister::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: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:96:37
[INFO] [stderr]    |
[INFO] [stderr] 96 |   pub fn set_zero_flag(&mut self) { self.f = self.f | 0x80; }
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x80`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:97:39
[INFO] [stderr]    |
[INFO] [stderr] 97 |   pub fn unset_zero_flag(&mut self) { self.f = self.f & 0x70; }
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0x70`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |   pub fn set_carry_flag(&mut self) { self.f = self.f | 0x10; }
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:99:43
[INFO] [stderr]    |
[INFO] [stderr] 99 |   pub fn set_half_carry_flag(&mut self) { self.f = self.f | 0x20; }
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x20`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:100:45
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn unset_half_carry_flag(&mut self) { self.f = self.f & 0xD0; }
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0xD0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:101:40
[INFO] [stderr]     |
[INFO] [stderr] 101 |   pub fn unset_carry_flag(&mut self) { self.f = self.f & 0xE0; }
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0xE0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:102:36
[INFO] [stderr]     |
[INFO] [stderr] 102 |   pub fn set_sub_flag(&mut self) { self.f = self.f | 0x40; }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x40`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |   pub fn unset_sub_flag(&mut self) { self.f = self.f & 0xB0; }
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0xB0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:105:45
[INFO] [stderr]     |
[INFO] [stderr] 105 |   pub fn complement_carry_flag(&mut self) { self.f = self.f ^ 0x10; }
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f ^= 0x10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]   --> src/core/cpu.rs:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 |       0x78 => self.ld_r1_r2(ByteRegister::A, ByteRegister::B),
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_overlapping_arm)] on by default
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]   --> src/core/cpu.rs:150:7
[INFO] [stderr]    |
[INFO] [stderr] 150|       0x78 => self.ld_a_r1(ByteRegister::B),
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]    --> src/core/cpu.rs:393:11
[INFO] [stderr]     |
[INFO] [stderr] 393 |           0x08 => self.rlc_n(ByteRegister::B),
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]    --> src/core/cpu.rs:411:11
[INFO] [stderr]     |
[INFO] [stderr] 411 |           0x08 => self.rrc_n(ByteRegister::B),
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/core/cpu.rs:752:28
[INFO] [stderr]     |
[INFO] [stderr] 752 |     let pointer = 0xFF00 + (self.registers[ByteRegister::C] as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.registers[ByteRegister::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/core/cpu.rs:760:28
[INFO] [stderr]     |
[INFO] [stderr] 760 |     let pointer = 0xFF00 + (self.registers[ByteRegister::C] as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.registers[ByteRegister::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/core/cpu.rs:803:28
[INFO] [stderr]     |
[INFO] [stderr] 803 |     let pointer = 0xFF00 + (self.next_byte() as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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/core/cpu.rs:811:28
[INFO] [stderr]     |
[INFO] [stderr] 811 |     let pointer = 0xFF00 + (self.next_byte() as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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/core/cpu.rs:845:21
[INFO] [stderr]     |
[INFO] [stderr] 845 |     let next_byte = self.next_byte() as u16;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1219:18
[INFO] [stderr]      |
[INFO] [stderr] 1219 |     let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1219:40
[INFO] [stderr]      |
[INFO] [stderr] 1219 |     let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1234:21
[INFO] [stderr]      |
[INFO] [stderr] 1234 |     let next_byte = self.next_byte() as u16;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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 i8 to i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1711:40
[INFO] [stderr]      |
[INFO] [stderr] 1711 |     let address = current.wrapping_add(offset as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^ help: try: `i16::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: casting i8 to i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1727:40
[INFO] [stderr]      |
[INFO] [stderr] 1727 |     let address = current.wrapping_add(offset as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^ help: try: `i16::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: casting i8 to i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1743:40
[INFO] [stderr]      |
[INFO] [stderr] 1743 |     let address = current.wrapping_add(offset as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^ help: try: `i16::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: the operation is ineffective. Consider reducing it to `(n as u16)`
[INFO] [stderr]     --> src/core/cpu.rs:1809:49
[INFO] [stderr]      |
[INFO] [stderr] 1809 |     self.registers.write_word(WordRegister::PC, 0x0000 + (n as u16));
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1809:58
[INFO] [stderr]      |
[INFO] [stderr] 1809 |     self.registers.write_word(WordRegister::PC, 0x0000 + (n as u16));
[INFO] [stderr]      |                                                          ^^^^^^^^^^ help: try: `u16::from(n)`
[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/core/cpu.rs:1896:6
[INFO] [stderr]      |
[INFO] [stderr] 1896 |     ((upper as u16) << 8) | (lower as u16)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^ help: try: `u16::from(upper)`
[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/core/cpu.rs:1896:29
[INFO] [stderr]      |
[INFO] [stderr] 1896 |     ((upper as u16) << 8) | (lower as u16)
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^ help: try: `u16::from(lower)`
[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/core/cpu.rs:1900:18
[INFO] [stderr]      |
[INFO] [stderr] 1900 |     let result = (operands.0 as u16) + (operands.1 as u16);
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(operands.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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1900:40
[INFO] [stderr]      |
[INFO] [stderr] 1900 |     let result = (operands.0 as u16) + (operands.1 as u16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(operands.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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1912:18
[INFO] [stderr]      |
[INFO] [stderr] 1912 |     let result = (operands.0 as i16) - (operands.1 as i16);
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1912:40
[INFO] [stderr]      |
[INFO] [stderr] 1912 |     let result = (operands.0 as i16) - (operands.1 as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1934:17
[INFO] [stderr]      |
[INFO] [stderr] 1934 |     let first = self.next_byte() as u16;
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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/core/cpu.rs:1935:18
[INFO] [stderr]      |
[INFO] [stderr] 1935 |     let second = self.next_byte() as u16;
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1983:5
[INFO] [stderr]      |
[INFO] [stderr] 1983 |   (((operands.0 as i16) & 0xF) - ((operands.1 as i16) & 0xF)) < 0
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1983:35
[INFO] [stderr]      |
[INFO] [stderr] 1983 |   (((operands.0 as i16) & 0xF) - ((operands.1 as i16) & 0xF)) < 0
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1987:16
[INFO] [stderr]      |
[INFO] [stderr] 1987 |   let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1987:38
[INFO] [stderr]      |
[INFO] [stderr] 1987 |   let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/mmu/mod.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 | /         match address {
[INFO] [stderr] 220 | |           0xFF40 => self.gpu.borrow_mut().set_lcd_control(value),
[INFO] [stderr] 221 | |
[INFO] [stderr] 222 | |           _ => {},
[INFO] [stderr] 223 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let 0xFF40 = address { self.gpu.borrow_mut().set_lcd_control(value) }`
[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] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mmu/mod.rs:291:4
[INFO] [stderr]     |
[INFO] [stderr] 291 |   ((lower as u16) << 8) | (upper as u16)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^ help: try: `u16::from(lower)`
[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/mmu/mod.rs:291:27
[INFO] [stderr]     |
[INFO] [stderr] 291 |   ((lower as u16) << 8) | (upper as u16)
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^ help: try: `u16::from(upper)`
[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/gpu/mod.rs:107:19
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let offset = (self.line as u16 * 32) as usize;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(self.line)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/gl_context.rs:133:7
[INFO] [stderr]     |
[INFO] [stderr] 133 | /       match event {
[INFO] [stderr] 134 | |         glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 135 | |           glutin::WindowEvent::KeyboardInput { input, .. } => {
[INFO] [stderr] 136 | |             events.push(Event::KeyEvent(input.scancode));
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | |         _ => {}
[INFO] [stderr] 144 | |       };
[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] 133 |       if let glutin::Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 134 |   glutin::WindowEvent::KeyboardInput { input, .. } => {
[INFO] [stderr] 135 |     events.push(Event::KeyEvent(input.scancode));
[INFO] [stderr] 136 |   },
[INFO] [stderr] 137 | 
[INFO] [stderr] 138 |   glutin::WindowEvent::CloseRequested => events.push(Event::CloseRequest),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:183:18
[INFO] [stderr]     |
[INFO] [stderr] 183 |     if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/gl_context.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 | /         str::from_utf8(&buf)
[INFO] [stderr] 200 | |           .ok()
[INFO] [stderr] 201 | |           .expect("ShaderInfoLog not valid utf8")
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:210:22
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:214:18
[INFO] [stderr]     |
[INFO] [stderr] 214 |     if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/gl_context.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 | /         str::from_utf8(&buf)
[INFO] [stderr] 229 | |           .ok()
[INFO] [stderr] 230 | |           .expect("ProgramInfoLog not valid utf8")
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:89:11
[INFO] [stderr]    |
[INFO] [stderr] 89 |           io::stdin().read_line(&mut input).ok().expect("couldn't read in");
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/main.rs:127:24
[INFO] [stderr]     |
[INFO] [stderr] 127 |                   .map(|it| String::from(it))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/main.rs:131:20
[INFO] [stderr]     |
[INFO] [stderr] 131 |                   .expect(&format!("invalid hex value: {}", parts[1]));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("invalid hex value: {}", parts[1]))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/registers.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |       WordRegister::AF => ((self.a as u16) << 8) | (self.f as u16),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: try: `u16::from(self.a)`
[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/core/registers.rs:57:52
[INFO] [stderr]    |
[INFO] [stderr] 57 |       WordRegister::AF => ((self.a as u16) << 8) | (self.f as u16),
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: try: `u16::from(self.f)`
[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/core/registers.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |       WordRegister::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/core/registers.rs:58:52
[INFO] [stderr]    |
[INFO] [stderr] 58 |       WordRegister::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/core/registers.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |       WordRegister::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/core/registers.rs:59:52
[INFO] [stderr]    |
[INFO] [stderr] 59 |       WordRegister::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/core/registers.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |       WordRegister::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/core/registers.rs:60:52
[INFO] [stderr]    |
[INFO] [stderr] 60 |       WordRegister::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: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:96:37
[INFO] [stderr]    |
[INFO] [stderr] 96 |   pub fn set_zero_flag(&mut self) { self.f = self.f | 0x80; }
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x80`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:97:39
[INFO] [stderr]    |
[INFO] [stderr] 97 |   pub fn unset_zero_flag(&mut self) { self.f = self.f & 0x70; }
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0x70`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |   pub fn set_carry_flag(&mut self) { self.f = self.f | 0x10; }
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/core/registers.rs:99:43
[INFO] [stderr]    |
[INFO] [stderr] 99 |   pub fn set_half_carry_flag(&mut self) { self.f = self.f | 0x20; }
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x20`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:100:45
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn unset_half_carry_flag(&mut self) { self.f = self.f & 0xD0; }
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0xD0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:101:40
[INFO] [stderr]     |
[INFO] [stderr] 101 |   pub fn unset_carry_flag(&mut self) { self.f = self.f & 0xE0; }
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0xE0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:102:36
[INFO] [stderr]     |
[INFO] [stderr] 102 |   pub fn set_sub_flag(&mut self) { self.f = self.f | 0x40; }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f |= 0x40`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |   pub fn unset_sub_flag(&mut self) { self.f = self.f & 0xB0; }
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f &= 0xB0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/registers.rs:105:45
[INFO] [stderr]     |
[INFO] [stderr] 105 |   pub fn complement_carry_flag(&mut self) { self.f = self.f ^ 0x10; }
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.f ^= 0x10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]   --> src/core/cpu.rs:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 |       0x78 => self.ld_r1_r2(ByteRegister::A, ByteRegister::B),
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_overlapping_arm)] on by default
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]   --> src/core/cpu.rs:150:7
[INFO] [stderr]    |
[INFO] [stderr] 150|       0x78 => self.ld_a_r1(ByteRegister::B),
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]    --> src/core/cpu.rs:393:11
[INFO] [stderr]     |
[INFO] [stderr] 393 |           0x08 => self.rlc_n(ByteRegister::B),
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]    --> src/core/cpu.rs:411:11
[INFO] [stderr]     |
[INFO] [stderr] 411 |           0x08 => self.rrc_n(ByteRegister::B),
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/core/cpu.rs:752:28
[INFO] [stderr]     |
[INFO] [stderr] 752 |     let pointer = 0xFF00 + (self.registers[ByteRegister::C] as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.registers[ByteRegister::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/core/cpu.rs:760:28
[INFO] [stderr]     |
[INFO] [stderr] 760 |     let pointer = 0xFF00 + (self.registers[ByteRegister::C] as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.registers[ByteRegister::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/core/cpu.rs:803:28
[INFO] [stderr]     |
[INFO] [stderr] 803 |     let pointer = 0xFF00 + (self.next_byte() as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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/core/cpu.rs:811:28
[INFO] [stderr]     |
[INFO] [stderr] 811 |     let pointer = 0xFF00 + (self.next_byte() as u16);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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/core/cpu.rs:845:21
[INFO] [stderr]     |
[INFO] [stderr] 845 |     let next_byte = self.next_byte() as u16;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1219:18
[INFO] [stderr]      |
[INFO] [stderr] 1219 |     let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1219:40
[INFO] [stderr]      |
[INFO] [stderr] 1219 |     let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1234:21
[INFO] [stderr]      |
[INFO] [stderr] 1234 |     let next_byte = self.next_byte() as u16;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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 i8 to i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1711:40
[INFO] [stderr]      |
[INFO] [stderr] 1711 |     let address = current.wrapping_add(offset as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^ help: try: `i16::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: casting i8 to i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1727:40
[INFO] [stderr]      |
[INFO] [stderr] 1727 |     let address = current.wrapping_add(offset as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^ help: try: `i16::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: casting i8 to i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1743:40
[INFO] [stderr]      |
[INFO] [stderr] 1743 |     let address = current.wrapping_add(offset as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^ help: try: `i16::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: the operation is ineffective. Consider reducing it to `(n as u16)`
[INFO] [stderr]     --> src/core/cpu.rs:1809:49
[INFO] [stderr]      |
[INFO] [stderr] 1809 |     self.registers.write_word(WordRegister::PC, 0x0000 + (n as u16));
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1809:58
[INFO] [stderr]      |
[INFO] [stderr] 1809 |     self.registers.write_word(WordRegister::PC, 0x0000 + (n as u16));
[INFO] [stderr]      |                                                          ^^^^^^^^^^ help: try: `u16::from(n)`
[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/core/cpu.rs:1896:6
[INFO] [stderr]      |
[INFO] [stderr] 1896 |     ((upper as u16) << 8) | (lower as u16)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^ help: try: `u16::from(upper)`
[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/core/cpu.rs:1896:29
[INFO] [stderr]      |
[INFO] [stderr] 1896 |     ((upper as u16) << 8) | (lower as u16)
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^ help: try: `u16::from(lower)`
[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/core/cpu.rs:1900:18
[INFO] [stderr]      |
[INFO] [stderr] 1900 |     let result = (operands.0 as u16) + (operands.1 as u16);
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(operands.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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1900:40
[INFO] [stderr]      |
[INFO] [stderr] 1900 |     let result = (operands.0 as u16) + (operands.1 as u16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(operands.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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1912:18
[INFO] [stderr]      |
[INFO] [stderr] 1912 |     let result = (operands.0 as i16) - (operands.1 as i16);
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1912:40
[INFO] [stderr]      |
[INFO] [stderr] 1912 |     let result = (operands.0 as i16) - (operands.1 as i16);
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1934:17
[INFO] [stderr]      |
[INFO] [stderr] 1934 |     let first = self.next_byte() as u16;
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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/core/cpu.rs:1935:18
[INFO] [stderr]      |
[INFO] [stderr] 1935 |     let second = self.next_byte() as u16;
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.next_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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1983:5
[INFO] [stderr]      |
[INFO] [stderr] 1983 |   (((operands.0 as i16) & 0xF) - ((operands.1 as i16) & 0xF)) < 0
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 i16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1983:35
[INFO] [stderr]      |
[INFO] [stderr] 1983 |   (((operands.0 as i16) & 0xF) - ((operands.1 as i16) & 0xF)) < 0
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(operands.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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1987:16
[INFO] [stderr]      |
[INFO] [stderr] 1987 |   let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]     --> src/core/cpu.rs:1987:38
[INFO] [stderr]      |
[INFO] [stderr] 1987 |   let result = (operands.0 as u32) + (operands.1 as u32);
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(operands.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/mmu/mod.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 | /         match address {
[INFO] [stderr] 220 | |           0xFF40 => self.gpu.borrow_mut().set_lcd_control(value),
[INFO] [stderr] 221 | |
[INFO] [stderr] 222 | |           _ => {},
[INFO] [stderr] 223 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let 0xFF40 = address { self.gpu.borrow_mut().set_lcd_control(value) }`
[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] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mmu/mod.rs:291:4
[INFO] [stderr]     |
[INFO] [stderr] 291 |   ((lower as u16) << 8) | (upper as u16)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^ help: try: `u16::from(lower)`
[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/mmu/mod.rs:291:27
[INFO] [stderr]     |
[INFO] [stderr] 291 |   ((lower as u16) << 8) | (upper as u16)
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^ help: try: `u16::from(upper)`
[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/gpu/mod.rs:107:19
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let offset = (self.line as u16 * 32) as usize;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: try: `u16::from(self.line)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/gl_context.rs:133:7
[INFO] [stderr]     |
[INFO] [stderr] 133 | /       match event {
[INFO] [stderr] 134 | |         glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 135 | |           glutin::WindowEvent::KeyboardInput { input, .. } => {
[INFO] [stderr] 136 | |             events.push(Event::KeyEvent(input.scancode));
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | |         _ => {}
[INFO] [stderr] 144 | |       };
[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] 133 |       if let glutin::Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 134 |   glutin::WindowEvent::KeyboardInput { input, .. } => {
[INFO] [stderr] 135 |     events.push(Event::KeyEvent(input.scancode));
[INFO] [stderr] 136 |   },
[INFO] [stderr] 137 | 
[INFO] [stderr] 138 |   glutin::WindowEvent::CloseRequested => events.push(Event::CloseRequest),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:183:18
[INFO] [stderr]     |
[INFO] [stderr] 183 |     if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/gl_context.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 | /         str::from_utf8(&buf)
[INFO] [stderr] 200 | |           .ok()
[INFO] [stderr] 201 | |           .expect("ShaderInfoLog not valid utf8")
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:210:22
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gl_context.rs:214:18
[INFO] [stderr]     |
[INFO] [stderr] 214 |     if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/gl_context.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 | /         str::from_utf8(&buf)
[INFO] [stderr] 229 | |           .ok()
[INFO] [stderr] 230 | |           .expect("ProgramInfoLog not valid utf8")
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:89:11
[INFO] [stderr]    |
[INFO] [stderr] 89 |           io::stdin().read_line(&mut input).ok().expect("couldn't read in");
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/main.rs:127:24
[INFO] [stderr]     |
[INFO] [stderr] 127 |                   .map(|it| String::from(it))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/main.rs:131:20
[INFO] [stderr]     |
[INFO] [stderr] 131 |                   .expect(&format!("invalid hex value: {}", parts[1]));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("invalid hex value: {}", parts[1]))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.55s
[INFO] running `"docker" "inspect" "e1d1adfbd847f8b1be57bd72d64bb0a0eb10d942ff6d7798ce8fe594df2e51b1"`
[INFO] running `"docker" "rm" "-f" "e1d1adfbd847f8b1be57bd72d64bb0a0eb10d942ff6d7798ce8fe594df2e51b1"`
[INFO] [stdout] e1d1adfbd847f8b1be57bd72d64bb0a0eb10d942ff6d7798ce8fe594df2e51b1