[INFO] updating cached repository reilleya/rustBoy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/reilleya/rustBoy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/reilleya/rustBoy" "work/ex/clippy-test-run/sources/stable/gh/reilleya/rustBoy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/reilleya/rustBoy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/reilleya/rustBoy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/reilleya/rustBoy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/reilleya/rustBoy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e59436bf938c96e2dd54f66843e949c62b788e2
[INFO] sha for GitHub repo reilleya/rustBoy: 1e59436bf938c96e2dd54f66843e949c62b788e2
[INFO] validating manifest of reilleya/rustBoy 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 reilleya/rustBoy 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 reilleya/rustBoy
[INFO] finished frobbing reilleya/rustBoy
[INFO] frobbed toml for reilleya/rustBoy written to work/ex/clippy-test-run/sources/stable/gh/reilleya/rustBoy/Cargo.toml
[INFO] started frobbing reilleya/rustBoy
[INFO] finished frobbing reilleya/rustBoy
[INFO] frobbed toml for reilleya/rustBoy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/reilleya/rustBoy/Cargo.toml
[INFO] crate reilleya/rustBoy 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 reilleya/rustBoy against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/reilleya/rustBoy:/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] 8447cb325ff25389ef5c2082d6ea874542e5ad37c1d97d995c949d01a91194c7
[INFO] running `"docker" "start" "-a" "8447cb325ff25389ef5c2082d6ea874542e5ad37c1d97d995c949d01a91194c7"`
[INFO] [stderr]     Checking rustBoy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/core/mod.rs:1014:3
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         println!("");
[INFO] [stderr]      |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/core/mod.rs:1014:3
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         println!("");
[INFO] [stderr]      |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         (self.f & 0b10000000) == 0b10000000
[INFO] [stderr]    |                   ^^^^^^^^^^ help: consider: `0b1000_0000`
[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: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |         (self.f & 0b10000000) == 0b10000000
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:91:22
[INFO] [stderr]    |
[INFO] [stderr] 91 |         self.f = (self.f & 0b01111111) | ((z as u8) << 7);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         (self.f & 0b01000000) == 0b01000000
[INFO] [stderr]    |                   ^^^^^^^^^^ help: consider: `0b0100_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:95:28
[INFO] [stderr]    |
[INFO] [stderr] 95 |         (self.f & 0b01000000) == 0b01000000
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: consider: `0b0100_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |         self.f = (self.f & 0b10111111) | ((n as u8) << 6);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider: `0b1011_1111`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         (self.f & 0b00100000) == 0b00100000
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0b0010_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:103:28
[INFO] [stderr]     |
[INFO] [stderr] 103 |         (self.f & 0b00100000) == 0b00100000
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: consider: `0b0010_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |         self.f = (self.f & 0b11011111) | ((h as u8) << 5);
[INFO] [stderr]     |                            ^^^^^^^^^^ help: consider: `0b1101_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (self.f & 0b00010000) == 0b00010000
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0b0001_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:111:28
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (self.f & 0b00010000) == 0b00010000
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: consider: `0b0001_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |         self.f = (self.f & 0b11101111) | ((c as u8) << 4);
[INFO] [stderr]     |                            ^^^^^^^^^^ help: consider: `0b1110_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Core`
[INFO] [stderr]  --> src/core/memory.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::Core;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/core/memory.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |           return Memory{
[INFO] [stderr]    |  _________^
[INFO] [stderr] 17 | |             rom: ROM::create_rom(),
[INFO] [stderr] 18 | |             ram: [0; 0x207F],
[INFO] [stderr] 19 | |             disp: Display::create(),
[INFO] [stderr] 20 | |             timer: Timer::create()
[INFO] [stderr] 21 | |         }
[INFO] [stderr]    | |_________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Memory{
[INFO] [stderr] 17 |             rom: ROM::create_rom(),
[INFO] [stderr] 18 |             ram: [0; 0x207F],
[INFO] [stderr] 19 |             disp: Display::create(),
[INFO] [stderr] 20 |             timer: Timer::create()
[INFO] [stderr] 21 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/core/mod.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |     ((a & 0xFFF) + (b & 0xFFF) & 0x1000) == 0x1000
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `((a & 0xFFF) + (b & 0xFFF)) & 0x1000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/core/mod.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (((a & 0x0FFF) + 0x1000) - (b & 0x0FFF) & 0x1000) == 0x1000
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(((a & 0x0FFF) + 0x1000) - (b & 0x0FFF)) & 0x1000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         (self.f & 0b10000000) == 0b10000000
[INFO] [stderr]    |                   ^^^^^^^^^^ help: consider: `0b1000_0000`
[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: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |         (self.f & 0b10000000) == 0b10000000
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:91:22
[INFO] [stderr]    |
[INFO] [stderr] 91 |         self.f = (self.f & 0b01111111) | ((z as u8) << 7);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         (self.f & 0b01000000) == 0b01000000
[INFO] [stderr]    |                   ^^^^^^^^^^ help: consider: `0b0100_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:95:28
[INFO] [stderr]    |
[INFO] [stderr] 95 |         (self.f & 0b01000000) == 0b01000000
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: consider: `0b0100_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/core/registers.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |         self.f = (self.f & 0b10111111) | ((n as u8) << 6);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider: `0b1011_1111`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         (self.f & 0b00100000) == 0b00100000
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0b0010_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:103:28
[INFO] [stderr]     |
[INFO] [stderr] 103 |         (self.f & 0b00100000) == 0b00100000
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: consider: `0b0010_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |         self.f = (self.f & 0b11011111) | ((h as u8) << 5);
[INFO] [stderr]     |                            ^^^^^^^^^^ help: consider: `0b1101_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (self.f & 0b00010000) == 0b00010000
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0b0001_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:111:28
[INFO] [stderr]     |
[INFO] [stderr] 111 |         (self.f & 0b00010000) == 0b00010000
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: consider: `0b0001_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/core/registers.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |         self.f = (self.f & 0b11101111) | ((c as u8) << 4);
[INFO] [stderr]     |                            ^^^^^^^^^^ help: consider: `0b1110_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Core`
[INFO] [stderr]  --> src/core/memory.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::Core;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/core/memory.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |           return Memory{
[INFO] [stderr]    |  _________^
[INFO] [stderr] 17 | |             rom: ROM::create_rom(),
[INFO] [stderr] 18 | |             ram: [0; 0x207F],
[INFO] [stderr] 19 | |             disp: Display::create(),
[INFO] [stderr] 20 | |             timer: Timer::create()
[INFO] [stderr] 21 | |         }
[INFO] [stderr]    | |_________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Memory{
[INFO] [stderr] 17 |             rom: ROM::create_rom(),
[INFO] [stderr] 18 |             ram: [0; 0x207F],
[INFO] [stderr] 19 |             disp: Display::create(),
[INFO] [stderr] 20 |             timer: Timer::create()
[INFO] [stderr] 21 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/core/mod.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |     ((a & 0xFFF) + (b & 0xFFF) & 0x1000) == 0x1000
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `((a & 0xFFF) + (b & 0xFFF)) & 0x1000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/core/mod.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (((a & 0x0FFF) + 0x1000) - (b & 0x0FFF) & 0x1000) == 0x1000
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(((a & 0x0FFF) + 0x1000) - (b & 0x0FFF)) & 0x1000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1389:35
[INFO] [stderr]      |
[INFO] [stderr] 1389 |         assert_eq!(check_sub_half_carry(0b00000000, 0x00000000), false);
[INFO] [stderr]      |                                         ^^^^^^^^^^ help: consider: `0b0000_0000`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1389:47
[INFO] [stderr]      |
[INFO] [stderr] 1389 |         assert_eq!(check_sub_half_carry(0b00000000, 0x00000000), false);
[INFO] [stderr]      |                                                     ^^^^^^^^^^ help: consider: `0x0000_0000`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1390:35
[INFO] [stderr]      |
[INFO] [stderr] 1390 |         assert_eq!(check_sub_half_carry(0b10100110, 0x00000000), false);
[INFO] [stderr]      |                                         ^^^^^^^^^^ help: consider: `0b1010_0110`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1390:47
[INFO] [stderr]      |
[INFO] [stderr] 1390 |         assert_eq!(check_sub_half_carry(0b10100110, 0x00000000), false);
[INFO] [stderr]      |                                                     ^^^^^^^^^^ help: consider: `0x0000_0000`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1391:35
[INFO] [stderr]      |
[INFO] [stderr] 1391 |         assert_eq!(check_sub_half_carry(0b10101100, 0b00000001), false);
[INFO] [stderr]      |                                         ^^^^^^^^^^ help: consider: `0b1010_1100`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1391:47
[INFO] [stderr]      |
[INFO] [stderr] 1391 |         assert_eq!(check_sub_half_carry(0b10101100, 0b00000001), false);
[INFO] [stderr]      |                                                     ^^^^^^^^^^ help: consider: `0b0000_0001`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1392:35
[INFO] [stderr]      |
[INFO] [stderr] 1392 |         assert_eq!(check_sub_half_carry(0b10000000, 0b00000001), true);
[INFO] [stderr]      |                                         ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1392:47
[INFO] [stderr]      |
[INFO] [stderr] 1392 |         assert_eq!(check_sub_half_carry(0b10000000, 0b00000001), true);
[INFO] [stderr]      |                                                     ^^^^^^^^^^ help: consider: `0b0000_0001`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1393:35
[INFO] [stderr]      |
[INFO] [stderr] 1393 |         assert_eq!(check_sub_half_carry(0b10010000, 0b00000001), true);
[INFO] [stderr]      |                                         ^^^^^^^^^^ help: consider: `0b1001_0000`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/core/mod.rs:1393:47
[INFO] [stderr]      |
[INFO] [stderr] 1393 |         assert_eq!(check_sub_half_carry(0b10010000, 0b00000001), true);
[INFO] [stderr]      |                                                     ^^^^^^^^^^ help: consider: `0b0000_0001`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/core/memory.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 0
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]   --> src/core/display.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn set_mem(&mut self, loc:u16, val:u8) {
[INFO] [stderr]    |                               ^^^ help: consider using `_loc` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/core/display.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn set_mem(&mut self, loc:u16, val:u8) {
[INFO] [stderr]    |                                        ^^^ help: consider using `_val` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_Carry`
[INFO] [stderr]    --> src/core/mod.rs:802:19
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 let (operand, op_Carry) = self.get_8_pc(1).overflowing_add(self.reg.get_c() as u8);
[INFO] [stderr]     |                               ^^^^^^^^ help: consider using `_op_Carry` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `f`
[INFO] [stderr]  --> src/core/registers.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     f,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_sub_half_carry_16`
[INFO] [stderr]   --> src/core/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn check_sub_half_carry_16(a:u16, b:u16) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dec_a`
[INFO] [stderr]     --> src/core/mod.rs:1196:2
[INFO] [stderr]      |
[INFO] [stderr] 1196 |     fn dec_a(&mut self) -> (u16, u64) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rustBoy` should have a snake case name such as `rust_boy`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a` should have a camel case name such as `A`
[INFO] [stderr]  --> src/core/registers.rs:2:2
[INFO] [stderr]   |
[INFO] [stderr] 2 |     a,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `f` should have a camel case name such as `F`
[INFO] [stderr]  --> src/core/registers.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     f,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have a camel case name such as `B`
[INFO] [stderr]  --> src/core/registers.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     b,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `c` should have a camel case name such as `C`
[INFO] [stderr]  --> src/core/registers.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     c,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `d` should have a camel case name such as `D`
[INFO] [stderr]  --> src/core/registers.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     d,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `e` should have a camel case name such as `E`
[INFO] [stderr]  --> src/core/registers.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     e,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `h` should have a camel case name such as `H`
[INFO] [stderr]  --> src/core/registers.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     h,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `l` should have a camel case name such as `L`
[INFO] [stderr]  --> src/core/registers.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     l
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/registers.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 |         ((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:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |         ((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:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 |         ((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:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |         ((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:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ((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:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ((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:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((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:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/core/rom.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Err(_) => panic!("Can't read {}", filename)
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/rom.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fo.read(&mut self.data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/core/mod.rs:126:20
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 self.reg.pc += raw as u16;
[INFO] [stderr]     |                                ^^^^^^^^^^ help: try: `u16::from(raw)`
[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/mod.rs:162:19
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:195:19
[INFO] [stderr]     |
[INFO] [stderr] 195 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:233:19
[INFO] [stderr]     |
[INFO] [stderr] 233 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:277:19
[INFO] [stderr]     |
[INFO] [stderr] 277 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/mod.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 self.reg.sp = self.reg.sp - 1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.sp -= 1`
[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/mod.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 696 |                 self.reg.a = self.reg.a | operand;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.a |= operand`
[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: variable `op_Carry` should have a snake case name such as `op_carry`
[INFO] [stderr]    --> src/core/mod.rs:802:19
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 let (operand, op_Carry) = self.get_8_pc(1).overflowing_add(self.reg.get_c() as u8);
[INFO] [stderr]     |                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/core/mod.rs:903:25
[INFO] [stderr]     |
[INFO] [stderr] 903 |                 let addr = 0xFF00 + (self.get_8_pc(1) as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:913:25
[INFO] [stderr]     |
[INFO] [stderr] 913 |                 let addr = 0xFF00 + (self.reg.c as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.reg.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/mod.rs:958:25
[INFO] [stderr]     |
[INFO] [stderr] 958 |                 let addr = 0xFF00 + (self.get_8_pc(1) as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:1024:4
[INFO] [stderr]      |
[INFO] [stderr] 1024 |         ((self.get_8_pc(offset + 1) as u16) << 8) + (self.get_8_pc(offset) as u16)
[INFO] [stderr]      |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(offset + 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/mod.rs:1024:47
[INFO] [stderr]      |
[INFO] [stderr] 1024 |         ((self.get_8_pc(offset + 1) as u16) << 8) + (self.get_8_pc(offset) as u16)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/mod.rs:1034:13
[INFO] [stderr]      |
[INFO] [stderr] 1034 |         let low = self.mem.get_mem(self.reg.sp + 2) as u16;
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem.get_mem(self.reg.sp + 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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/mod.rs:1035:14
[INFO] [stderr]      |
[INFO] [stderr] 1035 |         let high = self.mem.get_mem(self.reg.sp + 1) as u16;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem.get_mem(self.reg.sp + 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: manual implementation of an assign operation
[INFO] [stderr]     --> src/core/mod.rs:1041:3
[INFO] [stderr]      |
[INFO] [stderr] 1041 |         self.reg.a = self.reg.a | operand;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.a |= operand`
[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/mod.rs:1048:3
[INFO] [stderr]      |
[INFO] [stderr] 1048 |         self.reg.a = self.reg.a & operand;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.a &= operand`
[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/mod.rs:1085:4
[INFO] [stderr]      |
[INFO] [stderr] 1085 |             0x00 ..= 0x07 => operand, // Rotate left through carry
[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/mod.rs:1086:4
[INFO] [stderr]      |
[INFO] [stderr] 1086 |             0x07 ..= 0x0F => operand, // Rotate right through carry
[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: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1197:14
[INFO] [stderr]      |
[INFO] [stderr] 1197 |         let half = self.reg.a & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.a.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::verbose_bit_mask)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1207:14
[INFO] [stderr]      |
[INFO] [stderr] 1207 |         let half = self.reg.b & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.b.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1217:14
[INFO] [stderr]      |
[INFO] [stderr] 1217 |         let half = self.reg.c & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.c.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1227:14
[INFO] [stderr]      |
[INFO] [stderr] 1227 |         let half = self.reg.d & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.d.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1237:14
[INFO] [stderr]      |
[INFO] [stderr] 1237 |         let half = self.reg.e & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.e.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1247:14
[INFO] [stderr]      |
[INFO] [stderr] 1247 |         let half = self.reg.h & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.h.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1257:14
[INFO] [stderr]      |
[INFO] [stderr] 1257 |         let half = self.reg.l & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.l.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/core/memory.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 0
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]   --> src/core/display.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn set_mem(&mut self, loc:u16, val:u8) {
[INFO] [stderr]    |                               ^^^ help: consider using `_loc` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/core/display.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn set_mem(&mut self, loc:u16, val:u8) {
[INFO] [stderr]    |                                        ^^^ help: consider using `_val` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_Carry`
[INFO] [stderr]    --> src/core/mod.rs:802:19
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 let (operand, op_Carry) = self.get_8_pc(1).overflowing_add(self.reg.get_c() as u8);
[INFO] [stderr]     |                               ^^^^^^^^ help: consider using `_op_Carry` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `f`
[INFO] [stderr]  --> src/core/registers.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     f,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_sub_half_carry_16`
[INFO] [stderr]   --> src/core/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn check_sub_half_carry_16(a:u16, b:u16) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dec_a`
[INFO] [stderr]     --> src/core/mod.rs:1196:2
[INFO] [stderr]      |
[INFO] [stderr] 1196 |     fn dec_a(&mut self) -> (u16, u64) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rustBoy` should have a snake case name such as `rust_boy`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a` should have a camel case name such as `A`
[INFO] [stderr]  --> src/core/registers.rs:2:2
[INFO] [stderr]   |
[INFO] [stderr] 2 |     a,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `f` should have a camel case name such as `F`
[INFO] [stderr]  --> src/core/registers.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     f,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have a camel case name such as `B`
[INFO] [stderr]  --> src/core/registers.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     b,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `c` should have a camel case name such as `C`
[INFO] [stderr]  --> src/core/registers.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     c,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `d` should have a camel case name such as `D`
[INFO] [stderr]  --> src/core/registers.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     d,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `e` should have a camel case name such as `E`
[INFO] [stderr]  --> src/core/registers.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     e,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `h` should have a camel case name such as `H`
[INFO] [stderr]  --> src/core/registers.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     h,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `l` should have a camel case name such as `L`
[INFO] [stderr]  --> src/core/registers.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     l
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/registers.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 |         ((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:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |         ((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:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 |         ((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:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |         ((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:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ((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:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ((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:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((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:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/core/rom.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Err(_) => panic!("Can't read {}", filename)
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/rom.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fo.read(&mut self.data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/core/mod.rs:126:20
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 self.reg.pc += raw as u16;
[INFO] [stderr]     |                                ^^^^^^^^^^ help: try: `u16::from(raw)`
[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/mod.rs:162:19
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:195:19
[INFO] [stderr]     |
[INFO] [stderr] 195 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:233:19
[INFO] [stderr]     |
[INFO] [stderr] 233 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:277:19
[INFO] [stderr]     |
[INFO] [stderr] 277 |                     let offset = self.get_8_pc(1) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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: manual implementation of an assign operation
[INFO] [stderr]    --> src/core/mod.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 self.reg.sp = self.reg.sp - 1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.sp -= 1`
[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/mod.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 696 |                 self.reg.a = self.reg.a | operand;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.a |= operand`
[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: variable `op_Carry` should have a snake case name such as `op_carry`
[INFO] [stderr]    --> src/core/mod.rs:802:19
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 let (operand, op_Carry) = self.get_8_pc(1).overflowing_add(self.reg.get_c() as u8);
[INFO] [stderr]     |                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/core/mod.rs:903:25
[INFO] [stderr]     |
[INFO] [stderr] 903 |                 let addr = 0xFF00 + (self.get_8_pc(1) as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:913:25
[INFO] [stderr]     |
[INFO] [stderr] 913 |                 let addr = 0xFF00 + (self.reg.c as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.reg.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/mod.rs:958:25
[INFO] [stderr]     |
[INFO] [stderr] 958 |                 let addr = 0xFF00 + (self.get_8_pc(1) as u16);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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/mod.rs:1024:4
[INFO] [stderr]      |
[INFO] [stderr] 1024 |         ((self.get_8_pc(offset + 1) as u16) << 8) + (self.get_8_pc(offset) as u16)
[INFO] [stderr]      |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(offset + 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/mod.rs:1024:47
[INFO] [stderr]      |
[INFO] [stderr] 1024 |         ((self.get_8_pc(offset + 1) as u16) << 8) + (self.get_8_pc(offset) as u16)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.get_8_pc(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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/mod.rs:1034:13
[INFO] [stderr]      |
[INFO] [stderr] 1034 |         let low = self.mem.get_mem(self.reg.sp + 2) as u16;
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem.get_mem(self.reg.sp + 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 u16 may become silently lossy if types change
[INFO] [stderr]     --> src/core/mod.rs:1035:14
[INFO] [stderr]      |
[INFO] [stderr] 1035 |         let high = self.mem.get_mem(self.reg.sp + 1) as u16;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem.get_mem(self.reg.sp + 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: manual implementation of an assign operation
[INFO] [stderr]     --> src/core/mod.rs:1041:3
[INFO] [stderr]      |
[INFO] [stderr] 1041 |         self.reg.a = self.reg.a | operand;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.a |= operand`
[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/mod.rs:1048:3
[INFO] [stderr]      |
[INFO] [stderr] 1048 |         self.reg.a = self.reg.a & operand;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg.a &= operand`
[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/mod.rs:1085:4
[INFO] [stderr]      |
[INFO] [stderr] 1085 |             0x00 ..= 0x07 => operand, // Rotate left through carry
[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/mod.rs:1086:4
[INFO] [stderr]      |
[INFO] [stderr] 1086 |             0x07 ..= 0x0F => operand, // Rotate right through carry
[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: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1197:14
[INFO] [stderr]      |
[INFO] [stderr] 1197 |         let half = self.reg.a & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.a.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::verbose_bit_mask)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1207:14
[INFO] [stderr]      |
[INFO] [stderr] 1207 |         let half = self.reg.b & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.b.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1217:14
[INFO] [stderr]      |
[INFO] [stderr] 1217 |         let half = self.reg.c & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.c.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1227:14
[INFO] [stderr]      |
[INFO] [stderr] 1227 |         let half = self.reg.d & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.d.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1237:14
[INFO] [stderr]      |
[INFO] [stderr] 1237 |         let half = self.reg.e & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.e.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1247:14
[INFO] [stderr]      |
[INFO] [stderr] 1247 |         let half = self.reg.h & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.h.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]     --> src/core/mod.rs:1257:14
[INFO] [stderr]      |
[INFO] [stderr] 1257 |         let half = self.reg.l & 0xF == 0;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.reg.l.trailing_zeros() >= 4`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "8447cb325ff25389ef5c2082d6ea874542e5ad37c1d97d995c949d01a91194c7"`
[INFO] running `"docker" "rm" "-f" "8447cb325ff25389ef5c2082d6ea874542e5ad37c1d97d995c949d01a91194c7"`
[INFO] [stdout] 8447cb325ff25389ef5c2082d6ea874542e5ad37c1d97d995c949d01a91194c7