[INFO] cloning repository https://github.com/power3xz/chip8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/power3xz/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ab502072d0bb64eb3aadee2ee1237df116b9ce1
[INFO] checking power3xz/chip8-rs against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Fchip8-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/power3xz/chip8-rs on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/power3xz/chip8-rs
[INFO] finished tweaking git repo https://github.com/power3xz/chip8-rs
[INFO] tweaked toml for git repo https://github.com/power3xz/chip8-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/power3xz/chip8-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65f494f76dbfca09a75c7b974fff73d0f322afaca145e242e8b907813f46c8b7
[INFO] running `Command { std: "docker" "start" "-a" "65f494f76dbfca09a75c7b974fff73d0f322afaca145e242e8b907813f46c8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f494f76dbfca09a75c7b974fff73d0f322afaca145e242e8b907813f46c8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f494f76dbfca09a75c7b974fff73d0f322afaca145e242e8b907813f46c8b7", kill_on_drop: false }`
[INFO] [stdout] 65f494f76dbfca09a75c7b974fff73d0f322afaca145e242e8b907813f46c8b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2efe7556cd9e49876f6e10c26737e6d6a6b9c5c5cf1efe60bef55e76c57f5d
[INFO] running `Command { std: "docker" "start" "-a" "be2efe7556cd9e49876f6e10c26737e6d6a6b9c5c5cf1efe60bef55e76c57f5d", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |             memory[(FONTSET_START_ADDR as usize + i)] = FONTSET[i];
[INFO] [stdout]    |                    ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -             memory[(FONTSET_START_ADDR as usize + i)] = FONTSET[i];
[INFO] [stdout] 82 +             memory[FONTSET_START_ADDR as usize + i] = FONTSET[i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |             memory[(FONTSET_START_ADDR as usize + i)] = FONTSET[i];
[INFO] [stdout]    |                    ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -             memory[(FONTSET_START_ADDR as usize + i)] = FONTSET[i];
[INFO] [stdout] 82 +             memory[FONTSET_START_ADDR as usize + i] = FONTSET[i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ir`, `dt`, `st`, `keypad`, and `opcode` are never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Chip8 {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 26 |     registers: [u8; 16], // general registers
[INFO] [stdout] 27 |     ir: u16,             // index register (address register)
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     dt: u8,              // delay timer
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     st: u8,              // sound timer
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     keypad: [u8; 16],    // keypads
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 35 |     video: [u8; 8 * 32], // display buffer
[INFO] [stdout] 36 |     opcode: u8,          // opcode
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     X8xy6(u8, u8), // SHR Vx -> Set Vx = Vx SHR 1
[INFO] [stdout]    |     -----     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     X8xy6(u8, u8), // SHR Vx -> Set Vx = Vx SHR 1
[INFO] [stdout] 56 +     X8xy6(u8, ()), // SHR Vx -> Set Vx = Vx SHR 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |     X8xyE(u8, u8), // SHL Vx {, Vy} -> Set Vx = Vx SHL 1
[INFO] [stdout]    |     -----     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 58 -     X8xyE(u8, u8), // SHL Vx {, Vy} -> Set Vx = Vx SHL 1
[INFO] [stdout] 58 +     X8xyE(u8, ()), // SHL Vx {, Vy} -> Set Vx = Vx SHL 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Opcode {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 41 |     X00E0,         // CLS -> clear the display
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     X00EE,         // RET -> return from a subroutine
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     X1nnn(u16),    // JP addr -> jump to location nnn
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 44 |     X2nnn(u16),    // CALL addr -> call subroutine at nnn
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     X3xkk(u8, u8), // SE Vx, byte -> skip next instruction if Vx = kk
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     X4xkk(u8, u8), // SE Vx, byte -> skip next instruction if Vx != kk
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 47 |     X5xy0(u8, u8), // SE Vx, Vy -> skip next instruction if Vx = Vy
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     XAnnn(u16),    // LD I, addr -> Set I = nnn
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 61 |     XBnnn(u16),    // JP V0, addr -> Jump to location nnn + v0
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     XCxkk(u16),    // RND Vx, byte -> Set Vx = random byte AND kk
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 63 |     XDxyn(u16), // DRW Vx, Vy, nibble -> Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 64 |     XEx9E(u16), // SKP Vx -> Skip next instruction if key with the value of Vx is pressed
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 65 |     XExA1(u16), // SKNP Vx -> Skip next instruction if key with the value of Vx if not pressed
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 66 |     XFx07(u16), // LD Vx, DT -> Set Vx = delay timer value
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 67 |     XFx0A(u16), // LD Fx K -> Wait for a key press, store the value of the key in Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 68 |     XFx15(u16), // LD DT, Vx -> Set delay timer = Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 69 |     XFx18(u16), // LD ST, Vx -> Set sound timer = Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 70 |     XFx1E(u16), // ADD I, Vx -> Set I = I + Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 71 |     XFx29(u16), // LD F, Fx, -> Set I = location of sprite for digit Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 72 |     XFx33(u16), // LD B, Vx -> Store BCD representation of Vx in memory locations I, I+1, and I+2
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 73 |     XFx55(u16), // LD [I], Vx -> Store registers V0 through Vx in memory starting at location I
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 74 |     XFx65(u16), // LD Vx, [I] -> Read registers V0 through Vx from memory starting at location I
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ir`, `dt`, `st`, `keypad`, and `opcode` are never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Chip8 {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 26 |     registers: [u8; 16], // general registers
[INFO] [stdout] 27 |     ir: u16,             // index register (address register)
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     dt: u8,              // delay timer
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     st: u8,              // sound timer
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     keypad: [u8; 16],    // keypads
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 35 |     video: [u8; 8 * 32], // display buffer
[INFO] [stdout] 36 |     opcode: u8,          // opcode
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     X8xy6(u8, u8), // SHR Vx -> Set Vx = Vx SHR 1
[INFO] [stdout]    |     -----     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     X8xy6(u8, u8), // SHR Vx -> Set Vx = Vx SHR 1
[INFO] [stdout] 56 +     X8xy6(u8, ()), // SHR Vx -> Set Vx = Vx SHR 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |     X8xyE(u8, u8), // SHL Vx {, Vy} -> Set Vx = Vx SHL 1
[INFO] [stdout]    |     -----     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 58 -     X8xyE(u8, u8), // SHL Vx {, Vy} -> Set Vx = Vx SHL 1
[INFO] [stdout] 58 +     X8xyE(u8, ()), // SHL Vx {, Vy} -> Set Vx = Vx SHL 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Opcode {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 41 |     X00E0,         // CLS -> clear the display
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     X00EE,         // RET -> return from a subroutine
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     X1nnn(u16),    // JP addr -> jump to location nnn
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 44 |     X2nnn(u16),    // CALL addr -> call subroutine at nnn
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     X3xkk(u8, u8), // SE Vx, byte -> skip next instruction if Vx = kk
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     X4xkk(u8, u8), // SE Vx, byte -> skip next instruction if Vx != kk
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 47 |     X5xy0(u8, u8), // SE Vx, Vy -> skip next instruction if Vx = Vy
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     XAnnn(u16),    // LD I, addr -> Set I = nnn
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 61 |     XBnnn(u16),    // JP V0, addr -> Jump to location nnn + v0
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     XCxkk(u16),    // RND Vx, byte -> Set Vx = random byte AND kk
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 63 |     XDxyn(u16), // DRW Vx, Vy, nibble -> Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 64 |     XEx9E(u16), // SKP Vx -> Skip next instruction if key with the value of Vx is pressed
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 65 |     XExA1(u16), // SKNP Vx -> Skip next instruction if key with the value of Vx if not pressed
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 66 |     XFx07(u16), // LD Vx, DT -> Set Vx = delay timer value
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 67 |     XFx0A(u16), // LD Fx K -> Wait for a key press, store the value of the key in Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 68 |     XFx15(u16), // LD DT, Vx -> Set delay timer = Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 69 |     XFx18(u16), // LD ST, Vx -> Set sound timer = Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 70 |     XFx1E(u16), // ADD I, Vx -> Set I = I + Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 71 |     XFx29(u16), // LD F, Fx, -> Set I = location of sprite for digit Vx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 72 |     XFx33(u16), // LD B, Vx -> Store BCD representation of Vx in memory locations I, I+1, and I+2
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 73 |     XFx55(u16), // LD [I], Vx -> Store registers V0 through Vx in memory starting at location I
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 74 |     XFx65(u16), // LD Vx, [I] -> Read registers V0 through Vx from memory starting at location I
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "be2efe7556cd9e49876f6e10c26737e6d6a6b9c5c5cf1efe60bef55e76c57f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2efe7556cd9e49876f6e10c26737e6d6a6b9c5c5cf1efe60bef55e76c57f5d", kill_on_drop: false }`
[INFO] [stdout] be2efe7556cd9e49876f6e10c26737e6d6a6b9c5c5cf1efe60bef55e76c57f5d
