[INFO] cloning repository https://github.com/mattecker/RustBoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattecker/RustBoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattecker%2FRustBoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattecker%2FRustBoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc8dfcd7e296945a7ee281af56cbafc5c32b211d
[INFO] testing mattecker/RustBoy against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattecker%2FRustBoy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mattecker/RustBoy
[INFO] finished tweaking git repo https://github.com/mattecker/RustBoy
[INFO] tweaked toml for git repo https://github.com/mattecker/RustBoy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mattecker/RustBoy on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mattecker/RustBoy 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20473f1973dbfeecfde7271a40f00e5de9384524806d2bfa904280e401633304
[INFO] running `Command { std: "docker" "start" "-a" "20473f1973dbfeecfde7271a40f00e5de9384524806d2bfa904280e401633304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20473f1973dbfeecfde7271a40f00e5de9384524806d2bfa904280e401633304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20473f1973dbfeecfde7271a40f00e5de9384524806d2bfa904280e401633304", kill_on_drop: false }`
[INFO] [stdout] 20473f1973dbfeecfde7271a40f00e5de9384524806d2bfa904280e401633304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bff893d23d964ea0b7f90abe4ad4f37bdaf3f85b52a13a005ea5e25eaf229338
[INFO] running `Command { std: "docker" "start" "-a" "bff893d23d964ea0b7f90abe4ad4f37bdaf3f85b52a13a005ea5e25eaf229338", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling khronos_api v1.0.0 (https://github.com/bjz/gl-rs#e4a3bb70)
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling lazy_static v0.2.4
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling gl_generator v0.5.2 (https://github.com/bjz/gl-rs#e4a3bb70)
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling sdl2 v0.29.0
[INFO] [stderr]    Compiling gl v0.6.1 (https://github.com/bjz/gl-rs#e4a3bb70)
[INFO] [stderr]    Compiling rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/gb/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/gb/get_info.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut    gameboy_color: String;
[INFO] [stdout]   |         -------^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut    super_gameboy: String;
[INFO] [stdout]   |         -------^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut    cartridge_type: String;
[INFO] [stdout]   |         -------^^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut    rom_size: String;
[INFO] [stdout]   |         -------^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut    ram_size: String;
[INFO] [stdout]   |         -------^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gb/get_info.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut    destination: String;
[INFO] [stdout]    |         -------^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:12
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:26
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                          ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:35
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_pc`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:56
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]     --> src/gb/instructions.rs:1040:12
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |            ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]     --> src/gb/instructions.rs:1040:26
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_pc`
[INFO] [stdout]     --> src/gb/instructions.rs:1040:43
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles`
[INFO] [stdout]     --> src/gb/instructions.rs:1052:74
[INFO] [stdout]      |
[INFO] [stdout] 1052 | fn ld_8_test(value1: &mut u8, value2: u8, reg_pc: &mut u16, length: u16, cycles: u8) {
[INFO] [stdout]      |                                                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/gb/instructions.rs:1064:6
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     let mut new_value: u8    = memory.memory_array[*reg_sp as usize] as u8;
[INFO] [stdout]      |         ----^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx1`
[INFO] [stdout]   --> src/other/timer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let (tx1, rx1)    = channel();
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_tx1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_reg_af`, `set_reg_af`, `get_n`, `get_h`, and `print` are never used
[INFO] [stdout]    --> src/gb/cpu.rs:47:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn get_reg_af(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn set_reg_af(&mut self, data: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn get_n(&self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn get_h(&self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bit_at_16` is never used
[INFO] [stdout]    --> src/gb/cpu.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn get_bit_at_16(input: u16, n: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bit_at_16` is never used
[INFO] [stdout]    --> src/gb/instructions_cb.rs:565:4
[INFO] [stdout]     |
[INFO] [stdout] 565 | fn get_bit_at_16(input: u16, n: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_8_ar` is never used
[INFO] [stdout]     --> src/gb/instructions.rs:1037:4
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_8_ra` is never used
[INFO] [stdout]     --> src/gb/instructions.rs:1040:4
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `initialize` is never used
[INFO] [stdout]   --> src/gb/memory.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Memory {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn initialize(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ins_count` is never read
[INFO] [stdout]   --> src/other/emu.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Emu {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     ins_count:    usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `init` is never used
[INFO] [stdout]   --> src/other/emu.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Emu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn init(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `machine_cycle_freq` is never read
[INFO] [stdout]  --> src/other/timer.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Timer {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     machine_cycle_freq:    u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start` is never used
[INFO] [stdout]   --> src/other/timer.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Timer {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn start(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/other/emu.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |             self.timer.rx.recv();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |             let _ = self.timer.rx.recv();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "bff893d23d964ea0b7f90abe4ad4f37bdaf3f85b52a13a005ea5e25eaf229338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff893d23d964ea0b7f90abe4ad4f37bdaf3f85b52a13a005ea5e25eaf229338", kill_on_drop: false }`
[INFO] [stdout] bff893d23d964ea0b7f90abe4ad4f37bdaf3f85b52a13a005ea5e25eaf229338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b49c9b9c6d899b82b15d6d2bdd0bc8471d10a29d6360fc9007282d39b9b84a8
[INFO] running `Command { std: "docker" "start" "-a" "0b49c9b9c6d899b82b15d6d2bdd0bc8471d10a29d6360fc9007282d39b9b84a8", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/gb/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/gb/get_info.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut    gameboy_color: String;
[INFO] [stdout]   |         -------^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut    super_gameboy: String;
[INFO] [stdout]   |         -------^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut    cartridge_type: String;
[INFO] [stdout]   |         -------^^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut    rom_size: String;
[INFO] [stdout]   |         -------^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/gb/get_info.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut    ram_size: String;
[INFO] [stdout]   |         -------^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gb/get_info.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut    destination: String;
[INFO] [stdout]    |         -------^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:12
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:26
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                          ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:35
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_pc`
[INFO] [stdout]     --> src/gb/instructions.rs:1037:56
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]     --> src/gb/instructions.rs:1040:12
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |            ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]     --> src/gb/instructions.rs:1040:26
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_pc`
[INFO] [stdout]     --> src/gb/instructions.rs:1040:43
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles`
[INFO] [stdout]     --> src/gb/instructions.rs:1052:74
[INFO] [stdout]      |
[INFO] [stdout] 1052 | fn ld_8_test(value1: &mut u8, value2: u8, reg_pc: &mut u16, length: u16, cycles: u8) {
[INFO] [stdout]      |                                                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/gb/instructions.rs:1064:6
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     let mut new_value: u8    = memory.memory_array[*reg_sp as usize] as u8;
[INFO] [stdout]      |         ----^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx1`
[INFO] [stdout]   --> src/other/timer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let (tx1, rx1)    = channel();
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_tx1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_reg_af`, `set_reg_af`, `get_n`, `get_h`, and `print` are never used
[INFO] [stdout]    --> src/gb/cpu.rs:47:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn get_reg_af(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn set_reg_af(&mut self, data: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn get_n(&self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn get_h(&self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bit_at_16` is never used
[INFO] [stdout]    --> src/gb/cpu.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn get_bit_at_16(input: u16, n: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bit_at_16` is never used
[INFO] [stdout]    --> src/gb/instructions_cb.rs:565:4
[INFO] [stdout]     |
[INFO] [stdout] 565 | fn get_bit_at_16(input: u16, n: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_8_ar` is never used
[INFO] [stdout]     --> src/gb/instructions.rs:1037:4
[INFO] [stdout]      |
[INFO] [stdout] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_8_ra` is never used
[INFO] [stdout]     --> src/gb/instructions.rs:1040:4
[INFO] [stdout]      |
[INFO] [stdout] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `initialize` is never used
[INFO] [stdout]   --> src/gb/memory.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Memory {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn initialize(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ins_count` is never read
[INFO] [stdout]   --> src/other/emu.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Emu {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     ins_count:    usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `init` is never used
[INFO] [stdout]   --> src/other/emu.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Emu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn init(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `machine_cycle_freq` is never read
[INFO] [stdout]  --> src/other/timer.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Timer {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     machine_cycle_freq:    u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start` is never used
[INFO] [stdout]   --> src/other/timer.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Timer {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn start(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/other/emu.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |             self.timer.rx.recv();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |             let _ = self.timer.rx.recv();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "0b49c9b9c6d899b82b15d6d2bdd0bc8471d10a29d6360fc9007282d39b9b84a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b49c9b9c6d899b82b15d6d2bdd0bc8471d10a29d6360fc9007282d39b9b84a8", kill_on_drop: false }`
[INFO] [stdout] 0b49c9b9c6d899b82b15d6d2bdd0bc8471d10a29d6360fc9007282d39b9b84a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 068433eca64c6415f9e27658ce51177c9d5b7687f64c10c0ec7ebc245beecace
[INFO] running `Command { std: "docker" "start" "-a" "068433eca64c6415f9e27658ce51177c9d5b7687f64c10c0ec7ebc245beecace", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/gb/cpu.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/gb/get_info.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gb/get_info.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut    gameboy_color: String;
[INFO] [stderr]   |         -------^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gb/get_info.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut    super_gameboy: String;
[INFO] [stderr]   |         -------^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gb/get_info.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut    cartridge_type: String;
[INFO] [stderr]   |         -------^^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gb/get_info.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut    rom_size: String;
[INFO] [stderr]   |         -------^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gb/get_info.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut    ram_size: String;
[INFO] [stderr]   |         -------^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gb/get_info.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut    destination: String;
[INFO] [stderr]    |         -------^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]     --> src/gb/instructions.rs:1037:12
[INFO] [stderr]      |
[INFO] [stderr] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reg`
[INFO] [stderr]     --> src/gb/instructions.rs:1037:26
[INFO] [stderr]      |
[INFO] [stderr] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |                          ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]     --> src/gb/instructions.rs:1037:35
[INFO] [stderr]      |
[INFO] [stderr] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reg_pc`
[INFO] [stderr]     --> src/gb/instructions.rs:1037:56
[INFO] [stderr]      |
[INFO] [stderr] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_pc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reg`
[INFO] [stderr]     --> src/gb/instructions.rs:1040:12
[INFO] [stderr]      |
[INFO] [stderr] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |            ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]     --> src/gb/instructions.rs:1040:26
[INFO] [stderr]      |
[INFO] [stderr] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reg_pc`
[INFO] [stderr]     --> src/gb/instructions.rs:1040:43
[INFO] [stderr]      |
[INFO] [stderr] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_pc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cycles`
[INFO] [stderr]     --> src/gb/instructions.rs:1052:74
[INFO] [stderr]      |
[INFO] [stderr] 1052 | fn ld_8_test(value1: &mut u8, value2: u8, reg_pc: &mut u16, length: u16, cycles: u8) {
[INFO] [stderr]      |                                                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/gb/instructions.rs:1064:6
[INFO] [stderr]      |
[INFO] [stderr] 1064 |     let mut new_value: u8    = memory.memory_array[*reg_sp as usize] as u8;
[INFO] [stderr]      |         ----^^^^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx1`
[INFO] [stderr]   --> src/other/timer.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let (tx1, rx1)    = channel();
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_tx1`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_reg_af`, `set_reg_af`, `get_n`, `get_h`, and `print` are never used
[INFO] [stderr]    --> src/gb/cpu.rs:47:12
[INFO] [stderr]     |
[INFO] [stderr]  24 | impl Cpu {
[INFO] [stderr]     | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  47 |     pub fn get_reg_af(&self) -> u16 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  64 |     pub fn set_reg_af(&mut self, data: u16) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 |     pub fn get_n(&self) -> bool {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |     pub fn get_h(&self) -> bool {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_bit_at_16` is never used
[INFO] [stderr]    --> src/gb/cpu.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn get_bit_at_16(input: u16, n: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_bit_at_16` is never used
[INFO] [stderr]    --> src/gb/instructions_cb.rs:565:4
[INFO] [stderr]     |
[INFO] [stderr] 565 | fn get_bit_at_16(input: u16, n: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ld_8_ar` is never used
[INFO] [stderr]     --> src/gb/instructions.rs:1037:4
[INFO] [stderr]      |
[INFO] [stderr] 1037 | fn ld_8_ar(address: u16, reg: u8, memory: &mut Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ld_8_ra` is never used
[INFO] [stderr]     --> src/gb/instructions.rs:1040:4
[INFO] [stderr]      |
[INFO] [stderr] 1040 | fn ld_8_ra(reg: &mut u8, memory: &Memory, reg_pc: &mut u16) {
[INFO] [stderr]      |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `initialize` is never used
[INFO] [stderr]   --> src/gb/memory.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr]  6 | impl Memory {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn initialize(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ins_count` is never read
[INFO] [stderr]   --> src/other/emu.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct Emu {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     ins_count:    usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `init` is never used
[INFO] [stderr]   --> src/other/emu.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Emu {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn init(&mut self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `machine_cycle_freq` is never read
[INFO] [stderr]  --> src/other/timer.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Timer {
[INFO] [stderr]   |            ----- field in this struct
[INFO] [stderr] 6 |     machine_cycle_freq:    u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `start` is never used
[INFO] [stderr]   --> src/other/timer.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Timer {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn start(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/other/emu.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 |             self.timer.rx.recv();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 69 |             let _ = self.timer.rx.recv();
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rustboy` (bin "rustboy" test) generated 31 warnings (run `cargo fix --bin "rustboy" -p rustboy --tests` to apply 19 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustboy-e358dd8945a8f232)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "068433eca64c6415f9e27658ce51177c9d5b7687f64c10c0ec7ebc245beecace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068433eca64c6415f9e27658ce51177c9d5b7687f64c10c0ec7ebc245beecace", kill_on_drop: false }`
[INFO] [stdout] 068433eca64c6415f9e27658ce51177c9d5b7687f64c10c0ec7ebc245beecace
