[INFO] updating cached repository AmaranthineCodices/chip8-int
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AmaranthineCodices/chip8-int
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AmaranthineCodices/chip8-int" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AmaranthineCodices/chip8-int"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AmaranthineCodices/chip8-int'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AmaranthineCodices/chip8-int" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AmaranthineCodices/chip8-int"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AmaranthineCodices/chip8-int'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aeac2b88db2aeba639bae8237e062e5ce22d04d7
[INFO] sha for GitHub repo AmaranthineCodices/chip8-int: aeac2b88db2aeba639bae8237e062e5ce22d04d7
[INFO] validating manifest of AmaranthineCodices/chip8-int on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AmaranthineCodices/chip8-int on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AmaranthineCodices/chip8-int
[INFO] finished frobbing AmaranthineCodices/chip8-int
[INFO] frobbed toml for AmaranthineCodices/chip8-int written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AmaranthineCodices/chip8-int/Cargo.toml
[INFO] started frobbing AmaranthineCodices/chip8-int
[INFO] finished frobbing AmaranthineCodices/chip8-int
[INFO] frobbed toml for AmaranthineCodices/chip8-int written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AmaranthineCodices/chip8-int/Cargo.toml
[INFO] crate AmaranthineCodices/chip8-int already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AmaranthineCodices/chip8-int against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AmaranthineCodices/chip8-int:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 117987ac9709808607086cb58045f68c1208ecf013503de5742ffa55e0272347
[INFO] running `"docker" "start" "-a" "117987ac9709808607086cb58045f68c1208ecf013503de5742ffa55e0272347"`
[INFO] [stderr]     Checking chip8-int v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `MEM_SIZE`
[INFO] [stderr]  --> src/chip8.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const MEM_SIZE: usize = 0x1000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GFX_SIZE_X`
[INFO] [stderr]  --> src/chip8.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const GFX_SIZE_X: usize = 64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GFX_SIZE_Y`
[INFO] [stderr]  --> src/chip8.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const GFX_SIZE_Y: usize = 32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ClearDisplay`
[INFO] [stderr]  --> src/chip8.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ClearDisplay,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Return,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]   --> src/chip8.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Jump { address: u16 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Call { address: u16 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SkipIfEqual`
[INFO] [stderr]   --> src/chip8.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     SkipIfEqual { register: usize, value: u8 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SkipIfNotEqual`
[INFO] [stderr]   --> src/chip8.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     SkipIfNotEqual { register: usize, value: u8 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SkipIfRegistersEqual`
[INFO] [stderr]   --> src/chip8.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     SkipIfRegistersEqual { register1: usize, register2: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetRegister`
[INFO] [stderr]   --> src/chip8.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     SetRegister { register: usize, value: u8 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddConstant`
[INFO] [stderr]   --> src/chip8.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     AddConstant { register: usize, value: u8 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CopyRegister`
[INFO] [stderr]   --> src/chip8.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CopyRegister { source: usize, target: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitOr`
[INFO] [stderr]   --> src/chip8.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     BitOr { target: usize, other: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitAnd`
[INFO] [stderr]   --> src/chip8.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     BitAnd { target: usize, other: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitXor`
[INFO] [stderr]   --> src/chip8.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     BitXor { target: usize, other: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddRegister`
[INFO] [stderr]   --> src/chip8.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     AddRegister { target: usize, other: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SubtractRegister`
[INFO] [stderr]   --> src/chip8.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     SubtractRegister { target: usize, other: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AltSubtractRegister`
[INFO] [stderr]   --> src/chip8.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     AltSubtractRegister { target: usize, other: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftShift`
[INFO] [stderr]   --> src/chip8.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     LeftShift { target: usize, source: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightShift`
[INFO] [stderr]   --> src/chip8.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     RightShift { target: usize, source: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SkipIfRegistersNotEqual`
[INFO] [stderr]   --> src/chip8.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     SkipIfRegistersNotEqual { register1: usize, register2: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetIndexRegister`
[INFO] [stderr]   --> src/chip8.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     SetIndexRegister { value: u16 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OffsetJump`
[INFO] [stderr]   --> src/chip8.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     OffsetJump { address: u16 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rand`
[INFO] [stderr]   --> src/chip8.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Rand { mask: u8, register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Display`
[INFO] [stderr]   --> src/chip8.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Display { x: usize, y: usize, height: u8 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SkipIfKeyPressed`
[INFO] [stderr]   --> src/chip8.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     SkipIfKeyPressed { key: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SkipIfKeyNotPressed`
[INFO] [stderr]   --> src/chip8.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     SkipIfKeyNotPressed { key: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GetDelayTimer`
[INFO] [stderr]   --> src/chip8.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     GetDelayTimer { register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AwaitKeypress`
[INFO] [stderr]   --> src/chip8.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     AwaitKeypress { register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetDelayTimer`
[INFO] [stderr]   --> src/chip8.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     SetDelayTimer { value: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetSoundTimer`
[INFO] [stderr]   --> src/chip8.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     SetSoundTimer { value: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IncrementIndexRegister`
[INFO] [stderr]   --> src/chip8.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     IncrementIndexRegister { register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetIndexToFont`
[INFO] [stderr]   --> src/chip8.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     SetIndexToFont { register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StoreDecimal`
[INFO] [stderr]   --> src/chip8.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     StoreDecimal { register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MemDump`
[INFO] [stderr]   --> src/chip8.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     MemDump { max_register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MemLoad`
[INFO] [stderr]   --> src/chip8.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     MemLoad { max_register: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_opcode`
[INFO] [stderr]   --> src/chip8.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn decode_opcode(opcode: u16) -> Option<Opcode> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chip8`
[INFO] [stderr]    --> src/chip8.rs:291:1
[INFO] [stderr]     |
[INFO] [stderr] 291 | pub struct Chip8 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/chip8.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     pub fn new() -> Chip8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_opcode`
[INFO] [stderr]    --> src/chip8.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     fn execute_opcode(&mut self, opcode: Opcode) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_next_opcode`
[INFO] [stderr]    --> src/chip8.rs:479:5
[INFO] [stderr]     |
[INFO] [stderr] 479 |     fn process_next_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]    --> src/chip8.rs:505:5
[INFO] [stderr]     |
[INFO] [stderr] 505 |     pub fn step(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "117987ac9709808607086cb58045f68c1208ecf013503de5742ffa55e0272347"`
[INFO] running `"docker" "rm" "-f" "117987ac9709808607086cb58045f68c1208ecf013503de5742ffa55e0272347"`
[INFO] [stdout] 117987ac9709808607086cb58045f68c1208ecf013503de5742ffa55e0272347