[INFO] updating cached repository ebobby/chip8-vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ebobby/chip8-vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ebobby/chip8-vm" "work/ex/clippy-test-run/sources/stable/gh/ebobby/chip8-vm"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ebobby/chip8-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ebobby/chip8-vm" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ebobby/chip8-vm"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ebobby/chip8-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64905d8daa53a076b18395693038486de5f1907e
[INFO] sha for GitHub repo ebobby/chip8-vm: 64905d8daa53a076b18395693038486de5f1907e
[INFO] validating manifest of ebobby/chip8-vm 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 ebobby/chip8-vm 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 ebobby/chip8-vm
[INFO] finished frobbing ebobby/chip8-vm
[INFO] frobbed toml for ebobby/chip8-vm written to work/ex/clippy-test-run/sources/stable/gh/ebobby/chip8-vm/Cargo.toml
[INFO] started frobbing ebobby/chip8-vm
[INFO] finished frobbing ebobby/chip8-vm
[INFO] frobbed toml for ebobby/chip8-vm written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ebobby/chip8-vm/Cargo.toml
[INFO] crate ebobby/chip8-vm 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 ebobby/chip8-vm 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/ebobby/chip8-vm:/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] f748df0ab5ffb6e9327a38fb4d07c2e601bc86589e6d822183f8b3249265d03a
[INFO] running `"docker" "start" "-a" "f748df0ab5ffb6e9327a38fb4d07c2e601bc86589e6d822183f8b3249265d03a"`
[INFO] [stderr]     Checking chip8-vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `dump_mem`
[INFO] [stderr]   --> src/chip8/ram.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn dump_mem(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_mem`
[INFO] [stderr]   --> src/chip8/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn dump_mem(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/chip8/ram.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         f.read(&mut self.mem[::chip8::PROGRAM_START..])
[INFO] [stderr] 52 | |             .expect("Oh noes!");
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/chip8/ram.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         (self.mem[i] as u16) << 8 | self.mem[i + 1] as u16
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem[i])`
[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/chip8/ram.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |         (self.mem[i] as u16) << 8 | self.mem[i + 1] as u16
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem[i + 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/chip8/utils.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |     ^^^^^^^^^^^ help: try: `u16::from(n1)`
[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/chip8/utils.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: try: `u16::from(n2)`
[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/chip8/utils.rs:11:44
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: try: `u16::from(n3)`
[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/chip8/utils.rs:11:63
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |                                                               ^^^^^^^^^^^ help: try: `u16::from(n4)`
[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/chip8/utils.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ((n1 as u16) << 4 | (n2 as u16) & 0xFF) as u8
[INFO] [stderr]    |      ^^^^^^^^^^^ help: try: `u16::from(n1)`
[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/chip8/utils.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ((n1 as u16) << 4 | (n2 as u16) & 0xFF) as u8
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: try: `u16::from(n2)`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chip8-vm`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `dump_mem`
[INFO] [stderr]   --> src/chip8/ram.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn dump_mem(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_mem`
[INFO] [stderr]   --> src/chip8/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn dump_mem(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/chip8/ram.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         f.read(&mut self.mem[::chip8::PROGRAM_START..])
[INFO] [stderr] 52 | |             .expect("Oh noes!");
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/chip8/ram.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         (self.mem[i] as u16) << 8 | self.mem[i + 1] as u16
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem[i])`
[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/chip8/ram.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |         (self.mem[i] as u16) << 8 | self.mem[i + 1] as u16
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.mem[i + 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/chip8/utils.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |     ^^^^^^^^^^^ help: try: `u16::from(n1)`
[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/chip8/utils.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: try: `u16::from(n2)`
[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/chip8/utils.rs:11:44
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: try: `u16::from(n3)`
[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/chip8/utils.rs:11:63
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (n1 as u16) << 12 | (n2 as u16) << 8 | (n3 as u16) << 4 | (n4 as u16)
[INFO] [stderr]    |                                                               ^^^^^^^^^^^ help: try: `u16::from(n4)`
[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/chip8/utils.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ((n1 as u16) << 4 | (n2 as u16) & 0xFF) as u8
[INFO] [stderr]    |      ^^^^^^^^^^^ help: try: `u16::from(n1)`
[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/chip8/utils.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ((n1 as u16) << 4 | (n2 as u16) & 0xFF) as u8
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: try: `u16::from(n2)`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chip8-vm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f748df0ab5ffb6e9327a38fb4d07c2e601bc86589e6d822183f8b3249265d03a"`
[INFO] running `"docker" "rm" "-f" "f748df0ab5ffb6e9327a38fb4d07c2e601bc86589e6d822183f8b3249265d03a"`
[INFO] [stdout] f748df0ab5ffb6e9327a38fb4d07c2e601bc86589e6d822183f8b3249265d03a