[INFO] cloning repository https://github.com/pczora/nihgbe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pczora/nihgbe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Fnihgbe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Fnihgbe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cca68bd3ee3289ec402679e84446e3e306f9a54
[INFO] checking pczora/nihgbe against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Fnihgbe" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pczora/nihgbe on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pczora/nihgbe
[INFO] finished tweaking git repo https://github.com/pczora/nihgbe
[INFO] tweaked toml for git repo https://github.com/pczora/nihgbe written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/pczora/nihgbe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 520f6f52a3c792c6bec45f00ed16b69603299d6a4d4d9cf1a9af4d462c86481d
[INFO] running `Command { std: "docker" "start" "-a" "520f6f52a3c792c6bec45f00ed16b69603299d6a4d4d9cf1a9af4d462c86481d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "520f6f52a3c792c6bec45f00ed16b69603299d6a4d4d9cf1a9af4d462c86481d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520f6f52a3c792c6bec45f00ed16b69603299d6a4d4d9cf1a9af4d462c86481d", kill_on_drop: false }`
[INFO] [stdout] 520f6f52a3c792c6bec45f00ed16b69603299d6a4d4d9cf1a9af4d462c86481d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1efe0bf6ea0f7626d2e0165dad5d71c4406cb9954928195517fb7d537ea788
[INFO] running `Command { std: "docker" "start" "-a" "ab1efe0bf6ea0f7626d2e0165dad5d71c4406cb9954928195517fb7d537ea788", kill_on_drop: false }`
[INFO] [stderr]     Checking nihgbe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `HALFCARRY_FLAG`
[INFO] [stdout]  --> src/cpu.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const HALFCARRY_FLAG: u8 = 0b00100000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     sp: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flags`
[INFO] [stdout]   --> src/cpu.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Flags,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]   --> src/cpu.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     D,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HL`
[INFO] [stdout]   --> src/cpu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     HL,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SP`
[INFO] [stdout]   --> src/cpu.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     SP,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PC`
[INFO] [stdout]   --> src/cpu.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     PC,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_subtract`
[INFO] [stdout]    --> src/cpu.rs:313:8
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn get_subtract(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EMPTY_UNUSABLE_0_START`
[INFO] [stdout]  --> src/mem.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const EMPTY_UNUSABLE_0_START: u16 = 0xfea0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HALFCARRY_FLAG`
[INFO] [stdout]  --> src/cpu.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const HALFCARRY_FLAG: u8 = 0b00100000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     sp: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flags`
[INFO] [stdout]   --> src/cpu.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Flags,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]   --> src/cpu.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     D,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HL`
[INFO] [stdout]   --> src/cpu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     HL,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SP`
[INFO] [stdout]   --> src/cpu.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     SP,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PC`
[INFO] [stdout]   --> src/cpu.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     PC,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_subtract`
[INFO] [stdout]    --> src/cpu.rs:313:8
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn get_subtract(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EMPTY_UNUSABLE_0_START`
[INFO] [stdout]  --> src/mem.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const EMPTY_UNUSABLE_0_START: u16 = 0xfea0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "ab1efe0bf6ea0f7626d2e0165dad5d71c4406cb9954928195517fb7d537ea788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1efe0bf6ea0f7626d2e0165dad5d71c4406cb9954928195517fb7d537ea788", kill_on_drop: false }`
[INFO] [stdout] ab1efe0bf6ea0f7626d2e0165dad5d71c4406cb9954928195517fb7d537ea788