[INFO] updating cached repository Wilfred/gameboy_emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Wilfred/gameboy_emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Wilfred/gameboy_emulator" "work/ex/clippy-test-run/sources/stable/gh/Wilfred/gameboy_emulator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Wilfred/gameboy_emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Wilfred/gameboy_emulator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Wilfred/gameboy_emulator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Wilfred/gameboy_emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb31f039427370ca7a2c6547acab8a4d8cd3c732
[INFO] sha for GitHub repo Wilfred/gameboy_emulator: eb31f039427370ca7a2c6547acab8a4d8cd3c732
[INFO] validating manifest of Wilfred/gameboy_emulator 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 Wilfred/gameboy_emulator 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 Wilfred/gameboy_emulator
[INFO] finished frobbing Wilfred/gameboy_emulator
[INFO] frobbed toml for Wilfred/gameboy_emulator written to work/ex/clippy-test-run/sources/stable/gh/Wilfred/gameboy_emulator/Cargo.toml
[INFO] started frobbing Wilfred/gameboy_emulator
[INFO] finished frobbing Wilfred/gameboy_emulator
[INFO] frobbed toml for Wilfred/gameboy_emulator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Wilfred/gameboy_emulator/Cargo.toml
[INFO] crate Wilfred/gameboy_emulator 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 Wilfred/gameboy_emulator 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/Wilfred/gameboy_emulator:/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] dd03eb12ad843c28de54a0ebc2b750cda8c6ddd7ee108b375b9de1f2fcea2f3f
[INFO] running `"docker" "start" "-a" "dd03eb12ad843c28de54a0ebc2b750cda8c6ddd7ee108b375b9de1f2fcea2f3f"`
[INFO] [stderr]     Checking gameboy_emulator v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `memory`
[INFO] [stderr]   --> src/instructions.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     memory: [u8; 65536],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:345:20
[INFO] [stderr]     |
[INFO] [stderr] 345 |     let low_byte = bytes[0] as u16;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:346:21
[INFO] [stderr]     |
[INFO] [stderr] 346 |     let high_byte = bytes[1] as u16;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:353:20
[INFO] [stderr]     |
[INFO] [stderr] 353 |     let low_byte = bytes[0] as u16;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:354:21
[INFO] [stderr]     |
[INFO] [stderr] 354 |     let high_byte = bytes[1] as u16;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/instructions.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     cpu.pc = cpu.pc + Wrapping(1);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cpu.pc += Wrapping(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/instructions.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 |             cpu.a = cpu.a ^ register_value;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cpu.a ^= register_value`
[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/instructions.rs:381:13
[INFO] [stderr]     |
[INFO] [stderr] 381 |             *reg = *reg + Wrapping(1);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*reg += Wrapping(1)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |              implemented, total, 100.0 * implemented as f64 / total as f64);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(implemented)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:69:63
[INFO] [stderr]    |
[INFO] [stderr] 69 |              implemented, total, 100.0 * implemented as f64 / total as f64);
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: try: `f64::from(total)`
[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: field is never used: `memory`
[INFO] [stderr]   --> src/instructions.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     memory: [u8; 65536],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:345:20
[INFO] [stderr]     |
[INFO] [stderr] 345 |     let low_byte = bytes[0] as u16;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:346:21
[INFO] [stderr]     |
[INFO] [stderr] 346 |     let high_byte = bytes[1] as u16;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:353:20
[INFO] [stderr]     |
[INFO] [stderr] 353 |     let low_byte = bytes[0] as u16;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/instructions.rs:354:21
[INFO] [stderr]     |
[INFO] [stderr] 354 |     let high_byte = bytes[1] as u16;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/instructions.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     cpu.pc = cpu.pc + Wrapping(1);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cpu.pc += Wrapping(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/instructions.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 |             cpu.a = cpu.a ^ register_value;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cpu.a ^= register_value`
[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/instructions.rs:381:13
[INFO] [stderr]     |
[INFO] [stderr] 381 |             *reg = *reg + Wrapping(1);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*reg += Wrapping(1)`
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/instructions.rs:450:5
[INFO] [stderr]     |
[INFO] [stderr] 450 |     step(&mut cpu, Nop);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/instructions.rs:460:5
[INFO] [stderr]     |
[INFO] [stderr] 460 |     step(&mut cpu, Increment(Operand8::Register(A)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/instructions.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     step(&mut cpu, Increment(Operand8::Register(A)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/instructions.rs:530:5
[INFO] [stderr]     |
[INFO] [stderr] 530 |     step(&mut cpu, decode(&bytes, 0).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:69:42
[INFO] [stderr]    |
[INFO] [stderr] 69 |              implemented, total, 100.0 * implemented as f64 / total as f64);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(implemented)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:69:63
[INFO] [stderr]    |
[INFO] [stderr] 69 |              implemented, total, 100.0 * implemented as f64 / total as f64);
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: try: `f64::from(total)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "dd03eb12ad843c28de54a0ebc2b750cda8c6ddd7ee108b375b9de1f2fcea2f3f"`
[INFO] running `"docker" "rm" "-f" "dd03eb12ad843c28de54a0ebc2b750cda8c6ddd7ee108b375b9de1f2fcea2f3f"`
[INFO] [stdout] dd03eb12ad843c28de54a0ebc2b750cda8c6ddd7ee108b375b9de1f2fcea2f3f