[INFO] cloning repository https://github.com/luizschon/gb-color
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizschon/gb-color" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizschon%2Fgb-color", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizschon%2Fgb-color'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77c23a6b13c89945e5cbcc49e5a26458a4685206
[INFO] checking luizschon/gb-color against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizschon%2Fgb-color" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luizschon/gb-color
[INFO] finished tweaking git repo https://github.com/luizschon/gb-color
[INFO] tweaked toml for git repo https://github.com/luizschon/gb-color written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luizschon/gb-color on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luizschon/gb-color 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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eb575a3694bf85de60fd8a91230d7baa552d084d3a2d56965321ea5fd6676f0
[INFO] running `Command { std: "docker" "start" "-a" "1eb575a3694bf85de60fd8a91230d7baa552d084d3a2d56965321ea5fd6676f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb575a3694bf85de60fd8a91230d7baa552d084d3a2d56965321ea5fd6676f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb575a3694bf85de60fd8a91230d7baa552d084d3a2d56965321ea5fd6676f0", kill_on_drop: false }`
[INFO] [stdout] 1eb575a3694bf85de60fd8a91230d7baa552d084d3a2d56965321ea5fd6676f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b010f2bd36a14e8b3108aeca49cbf76d0e1af5988bf4afffa19c33f5fe9658
[INFO] running `Command { std: "docker" "start" "-a" "15b010f2bd36a14e8b3108aeca49cbf76d0e1af5988bf4afffa19c33f5fe9658", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking gb-color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CpuState` is never constructed
[INFO] [stdout]  --> src/cpu/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CpuState {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `step` are never used
[INFO] [stdout]   --> src/cpu/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CpuState {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn step(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Executable` is never used
[INFO] [stdout]   --> src/cpu/instructions/mod.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Executable {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instruction` is never used
[INFO] [stdout]   --> src/cpu/instructions/mod.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Instruction {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ARITH_INSTR_MASK` is never used
[INFO] [stdout]  --> src/cpu/instructions/decode.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ARITH_INSTR_MASK: u8 = 0b00111000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ARITH_INSTR_POS` is never used
[INFO] [stdout]  --> src/cpu/instructions/decode.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ARITH_INSTR_POS: u8 = 3;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_3_INSTR_MASK` is never used
[INFO] [stdout]  --> src/cpu/instructions/decode.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const BLOCK_3_INSTR_MASK: u8 = 0b00000111;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_3_INSTR_POS` is never used
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BLOCK_3_INSTR_POS: u8 = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DecodeError` is never used
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum DecodeError {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Decode` is never used
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Decode {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block0` is never constructed
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Block0;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block1` is never constructed
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Block1;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block2` is never constructed
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Block2;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block3` is never constructed
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Block3;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Prefixed` is never constructed
[INFO] [stdout]   --> src/cpu/instructions/decode.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Prefixed;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InstructionDecoder` is never used
[INFO] [stdout]    --> src/cpu/instructions/decode.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub enum InstructionDecoder {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Opcode` is never used
[INFO] [stdout]    --> src/cpu/instructions/decode.rs:112:6
[INFO] [stdout]     |
[INFO] [stdout] 112 | type Opcode = u8;
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Add` is never constructed
[INFO] [stdout]  --> src/cpu/instructions/execute.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Add(pub ArithSource);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_source` is never used
[INFO] [stdout]   --> src/cpu/instructions/execute.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Add {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn with_source(src: ArithSource) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Source` is never used
[INFO] [stdout]  --> src/cpu/instructions/operands.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Source<T>: Sized {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArithSource` is never used
[INFO] [stdout]   --> src/cpu/instructions/operands.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum ArithSource {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_opcode` and `from_literal` are never used
[INFO] [stdout]   --> src/cpu/instructions/operands.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl ArithSource {
[INFO] [stdout]    | ---------------- associated functions in this implementation
[INFO] [stdout] 25 |     pub fn from_opcode(opcode: u8) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn from_literal(val: u8) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RawRegisters` is never constructed
[INFO] [stdout]   --> src/cpu/registers.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub struct RawRegisters {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | make_registers_struct!(b c, d e, h l);
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_registers_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/cpu/registers.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |         impl RawRegisters {
[INFO] [stdout]    |         ----------------- associated items in this implementation
[INFO] [stdout] 32 |             /// Construct as new [RawRegisters] struct with all values zeroed.
[INFO] [stdout] 33 |             pub fn new() -> Self {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |             pub fn sp(&self) -> u16 {
[INFO] [stdout]    |                    ^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |             pub fn set_sp(&mut self, val: u16) {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |             pub fn acc(&self) -> u8 {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |             pub fn set_acc(&mut self, val: u8) {
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |                     pub fn [<set_ $high>](&mut self, val: u8) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |                     pub fn [<set_ $low>](&mut self, val: u8) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |                     pub fn [<$high $low>](&self) -> u16 {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |                     pub fn [<set_ $high $low>](&mut self, val: u16) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | make_registers_struct!(b c, d e, h l);
[INFO] [stdout]    | -----------------------^-^--^-^--^-^- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_registers_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RwRegister` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub trait RwRegister<T> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Register` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub enum Register {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Reg8` is never used
[INFO] [stdout]    --> src/cpu/registers.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub enum Reg8 {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Reg16` is never used
[INFO] [stdout]    --> src/cpu/registers.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum Reg16 {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]   --> src/cpu/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CpuState {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn step(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Register` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub enum Register {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DE`, `HL`, and `SP` are never constructed
[INFO] [stdout]    --> src/cpu/registers.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum Reg16 {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] 138 |     BC, DE, HL, SP
[INFO] [stdout]     |         ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Reg16` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "15b010f2bd36a14e8b3108aeca49cbf76d0e1af5988bf4afffa19c33f5fe9658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b010f2bd36a14e8b3108aeca49cbf76d0e1af5988bf4afffa19c33f5fe9658", kill_on_drop: false }`
[INFO] [stdout] 15b010f2bd36a14e8b3108aeca49cbf76d0e1af5988bf4afffa19c33f5fe9658