[INFO] updating cached repository https://github.com/AmaranthineCodices/chip8-int [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aeac2b88db2aeba639bae8237e062e5ce22d04d7 [INFO] checking AmaranthineCodices/chip8-int against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Fchip8-int" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AmaranthineCodices/chip8-int on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/AmaranthineCodices/chip8-int [INFO] finished tweaking git repo https://github.com/AmaranthineCodices/chip8-int [INFO] tweaked toml for git repo https://github.com/AmaranthineCodices/chip8-int written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/AmaranthineCodices/chip8-int already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 60da8b785e93bf545a278da978d90e5dc9a14a2d14b2ce680022f4d96b6f5b67 [INFO] running `"docker" "start" "-a" "60da8b785e93bf545a278da978d90e5dc9a14a2d14b2ce680022f4d96b6f5b67"` [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling khronos_api v2.1.0 [INFO] [stderr] Checking piston-float v0.3.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking token_store v0.1.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking shader_version v0.3.0 [INFO] [stderr] Checking serde v1.0.29 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking piston-texture v0.6.0 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Compiling x11-dl v2.17.3 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking stb_truetype v0.2.2 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking deflate v0.7.17 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling wayland-scanner v0.12.5 [INFO] [stderr] Checking shared_library v0.1.8 [INFO] [stderr] Checking piston-viewport v0.3.0 [INFO] [stderr] Checking vecmath v0.3.1 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking dlib v0.4.0 [INFO] [stderr] Compiling gl_generator v0.8.0 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking rusttype v0.4.1 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rayon v1.0.0 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Checking piston2d-graphics v0.26.0 [INFO] [stderr] Compiling glutin v0.12.2 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.29 [INFO] [stderr] Checking wayland-window v0.13.2 [INFO] [stderr] Checking winit v0.10.0 [INFO] [stderr] Checking pistoncore-input v0.20.0 [INFO] [stderr] Checking piston2d-opengl_graphics v0.52.0 [INFO] [stderr] Checking pistoncore-window v0.31.0 [INFO] [stderr] Checking pistoncore-event_loop v0.36.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.45.2 [INFO] [stderr] Checking piston v0.36.0 [INFO] [stderr] Checking chip8-int v0.1.0 (/opt/rustwide/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:76:4 [INFO] [stderr] | [INFO] [stderr] 76 | fn decode_opcode(opcode: u16) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Chip8` [INFO] [stderr] --> src/chip8.rs:291:12 [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] warning: 43 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.33s [INFO] running `"docker" "inspect" "60da8b785e93bf545a278da978d90e5dc9a14a2d14b2ce680022f4d96b6f5b67"` [INFO] running `"docker" "rm" "-f" "60da8b785e93bf545a278da978d90e5dc9a14a2d14b2ce680022f4d96b6f5b67"` [INFO] [stdout] 60da8b785e93bf545a278da978d90e5dc9a14a2d14b2ce680022f4d96b6f5b67