[INFO] cloning repository https://github.com/JPOverclock/dmg-cpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPOverclock/dmg-cpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPOverclock%2Fdmg-cpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPOverclock%2Fdmg-cpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed8c374b94b8cff9a28456155092df74781088c2
[INFO] checking JPOverclock/dmg-cpu against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPOverclock%2Fdmg-cpu" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPOverclock/dmg-cpu on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JPOverclock/dmg-cpu
[INFO] finished tweaking git repo https://github.com/JPOverclock/dmg-cpu
[INFO] tweaked toml for git repo https://github.com/JPOverclock/dmg-cpu written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/JPOverclock/dmg-cpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dfd99bd3faeda521e7ec943efdc93d8c05c0177810b965cd892ae682c05c486
[INFO] running `Command { std: "docker" "start" "-a" "4dfd99bd3faeda521e7ec943efdc93d8c05c0177810b965cd892ae682c05c486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dfd99bd3faeda521e7ec943efdc93d8c05c0177810b965cd892ae682c05c486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfd99bd3faeda521e7ec943efdc93d8c05c0177810b965cd892ae682c05c486", kill_on_drop: false }`
[INFO] [stdout] 4dfd99bd3faeda521e7ec943efdc93d8c05c0177810b965cd892ae682c05c486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a612e38a938948ff07ee6d0b529fbb651af75faddc43b81496792687892627d
[INFO] running `Command { std: "docker" "start" "-a" "1a612e38a938948ff07ee6d0b529fbb651af75faddc43b81496792687892627d", kill_on_drop: false }`
[INFO] [stderr]     Checking dmg-cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `CB_PREFIX_OP_CODES`
[INFO] [stdout]    --> src/op_codes.rs:282:1
[INFO] [stdout]     |
[INFO] [stdout] 282 | / pub const CB_PREFIX_OP_CODES: [OpCode; 0x100] = [
[INFO] [stdout] 283 | |     // 0x
[INFO] [stdout] 284 | |     OpCode{ mnemonic: "RLC B", length: 2, cycles: 8 },
[INFO] [stdout] 285 | |     OpCode{ mnemonic: "RLC C", length: 2, cycles: 8 },
[INFO] [stdout] ...   |
[INFO] [stdout] 554 | |     OpCode{ mnemonic: "SET 7,A", length: 2, cycles: 8 },
[INFO] [stdout] 555 | | ];
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     b: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]  --> src/cpu.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     c: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `d`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     d: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     e: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     h: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     l: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     a: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `f`
[INFO] [stdout]   --> src/cpu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     f: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `registers`
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     registers: Registers,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     sp: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CB_PREFIX_OP_CODES`
[INFO] [stdout]    --> src/op_codes.rs:282:1
[INFO] [stdout]     |
[INFO] [stdout] 282 | / pub const CB_PREFIX_OP_CODES: [OpCode; 0x100] = [
[INFO] [stdout] 283 | |     // 0x
[INFO] [stdout] 284 | |     OpCode{ mnemonic: "RLC B", length: 2, cycles: 8 },
[INFO] [stdout] 285 | |     OpCode{ mnemonic: "RLC C", length: 2, cycles: 8 },
[INFO] [stdout] ...   |
[INFO] [stdout] 554 | |     OpCode{ mnemonic: "SET 7,A", length: 2, cycles: 8 },
[INFO] [stdout] 555 | | ];
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     b: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]  --> src/cpu.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     c: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `d`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     d: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     e: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     h: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     l: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     a: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `f`
[INFO] [stdout]   --> src/cpu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     f: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `registers`
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     registers: Registers,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     sp: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "1a612e38a938948ff07ee6d0b529fbb651af75faddc43b81496792687892627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a612e38a938948ff07ee6d0b529fbb651af75faddc43b81496792687892627d", kill_on_drop: false }`
[INFO] [stdout] 1a612e38a938948ff07ee6d0b529fbb651af75faddc43b81496792687892627d