[INFO] cloning repository https://github.com/jake-abed/crabbyboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jake-abed/crabbyboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjake-abed%2Fcrabbyboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjake-abed%2Fcrabbyboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ab32f6f2228a5f0d017eeb3f9521dc7092af07f
[INFO] checking jake-abed/crabbyboy against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjake-abed%2Fcrabbyboy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jake-abed/crabbyboy
[INFO] finished tweaking git repo https://github.com/jake-abed/crabbyboy
[INFO] tweaked toml for git repo https://github.com/jake-abed/crabbyboy written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jake-abed/crabbyboy on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jake-abed/crabbyboy 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14f51ee9fb42e45d0493a43621c441eb0880364e16d831c8764bac5eefd07b82
[INFO] running `Command { std: "docker" "start" "-a" "14f51ee9fb42e45d0493a43621c441eb0880364e16d831c8764bac5eefd07b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f51ee9fb42e45d0493a43621c441eb0880364e16d831c8764bac5eefd07b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f51ee9fb42e45d0493a43621c441eb0880364e16d831c8764bac5eefd07b82", kill_on_drop: false }`
[INFO] [stdout] 14f51ee9fb42e45d0493a43621c441eb0880364e16d831c8764bac5eefd07b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd3e2687bffc1041b8299a56fea57ef0ac096f44b2abb3dc3f46bd94bf12e951
[INFO] running `Command { std: "docker" "start" "-a" "bd3e2687bffc1041b8299a56fea57ef0ac096f44b2abb3dc3f46bd94bf12e951", kill_on_drop: false }`
[INFO] [stderr]     Checking crabbyboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gb/instructions.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     RST(u8),
[INFO] [stdout]    |     --- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B3Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 87 -     RST(u8),
[INFO] [stdout] 87 +     RST(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gb/instructions.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     POP(u8),
[INFO] [stdout]    |     --- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B3Instruction` 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] 88 -     POP(u8),
[INFO] [stdout] 88 +     POP(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gb/instructions.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |     PUSH(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B3Instruction` 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] 89 -     PUSH(u8),
[INFO] [stdout] 89 +     PUSH(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     RRC(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 103 -     RRC(u8),
[INFO] [stdout] 103 +     RRC(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     RL(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 104 -     RL(u8),
[INFO] [stdout] 104 +     RL(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     RR(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 105 -     RR(u8),
[INFO] [stdout] 105 +     RR(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     SL(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 106 -     SL(u8),
[INFO] [stdout] 106 +     SL(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     SR(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 107 -     SR(u8),
[INFO] [stdout] 107 +     SR(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 |     SWAP(u8),
[INFO] [stdout]     |     ---- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 108 -     SWAP(u8),
[INFO] [stdout] 108 +     SWAP(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     SRL(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 109 -     SRL(u8),
[INFO] [stdout] 109 +     SRL(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `b3` and `operand` are never read
[INFO] [stdout]    --> src/gb/instructions.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |     BIT { b3: u8, operand: u8 },
[INFO] [stdout]     |     ---   ^^      ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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 `b3` and `operand` are never read
[INFO] [stdout]    --> src/gb/instructions.rs:111:11
[INFO] [stdout]     |
[INFO] [stdout] 111 |     RES { b3: u8, operand: u8 },
[INFO] [stdout]     |     ---   ^^      ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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 `b3` and `operand` are never read
[INFO] [stdout]    --> src/gb/instructions.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 |     SET { b3: u8, operand: u8 },
[INFO] [stdout]     |     ---   ^^      ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `R16Stk` is never used
[INFO] [stdout]   --> src/gb/registers.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub enum R16Stk {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gb/instructions.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     RST(u8),
[INFO] [stdout]    |     --- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B3Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 87 -     RST(u8),
[INFO] [stdout] 87 +     RST(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gb/instructions.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     POP(u8),
[INFO] [stdout]    |     --- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B3Instruction` 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] 88 -     POP(u8),
[INFO] [stdout] 88 +     POP(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gb/instructions.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |     PUSH(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B3Instruction` 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] 89 -     PUSH(u8),
[INFO] [stdout] 89 +     PUSH(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     RRC(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 103 -     RRC(u8),
[INFO] [stdout] 103 +     RRC(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     RL(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 104 -     RL(u8),
[INFO] [stdout] 104 +     RL(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     RR(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 105 -     RR(u8),
[INFO] [stdout] 105 +     RR(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     SL(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 106 -     SL(u8),
[INFO] [stdout] 106 +     SL(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     SR(u8),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 107 -     SR(u8),
[INFO] [stdout] 107 +     SR(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 |     SWAP(u8),
[INFO] [stdout]     |     ---- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 108 -     SWAP(u8),
[INFO] [stdout] 108 +     SWAP(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/gb/instructions.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     SRL(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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] 109 -     SRL(u8),
[INFO] [stdout] 109 +     SRL(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `b3` and `operand` are never read
[INFO] [stdout]    --> src/gb/instructions.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |     BIT { b3: u8, operand: u8 },
[INFO] [stdout]     |     ---   ^^      ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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 `b3` and `operand` are never read
[INFO] [stdout]    --> src/gb/instructions.rs:111:11
[INFO] [stdout]     |
[INFO] [stdout] 111 |     RES { b3: u8, operand: u8 },
[INFO] [stdout]     |     ---   ^^      ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` 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 `b3` and `operand` are never read
[INFO] [stdout]    --> src/gb/instructions.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 |     SET { b3: u8, operand: u8 },
[INFO] [stdout]     |     ---   ^^      ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrefixedInstruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `R16Stk` is never used
[INFO] [stdout]   --> src/gb/registers.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub enum R16Stk {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "bd3e2687bffc1041b8299a56fea57ef0ac096f44b2abb3dc3f46bd94bf12e951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3e2687bffc1041b8299a56fea57ef0ac096f44b2abb3dc3f46bd94bf12e951", kill_on_drop: false }`
[INFO] [stdout] bd3e2687bffc1041b8299a56fea57ef0ac096f44b2abb3dc3f46bd94bf12e951