[INFO] cloning repository https://github.com/graylikeme/gameboy-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graylikeme/gameboy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraylikeme%2Fgameboy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraylikeme%2Fgameboy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cafd6c79531ce5ae3d08082f67d532b1eb23f6e1
[INFO] checking graylikeme/gameboy-rs against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraylikeme%2Fgameboy-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/graylikeme/gameboy-rs on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/graylikeme/gameboy-rs
[INFO] finished tweaking git repo https://github.com/graylikeme/gameboy-rs
[INFO] tweaked toml for git repo https://github.com/graylikeme/gameboy-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/graylikeme/gameboy-rs 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 376e3cce26cef4dcb5b3afec4c63983ea35d20dd0d668b3e09d8a6c6838a94ec
[INFO] running `Command { std: "docker" "start" "-a" "376e3cce26cef4dcb5b3afec4c63983ea35d20dd0d668b3e09d8a6c6838a94ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376e3cce26cef4dcb5b3afec4c63983ea35d20dd0d668b3e09d8a6c6838a94ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376e3cce26cef4dcb5b3afec4c63983ea35d20dd0d668b3e09d8a6c6838a94ec", kill_on_drop: false }`
[INFO] [stdout] 376e3cce26cef4dcb5b3afec4c63983ea35d20dd0d668b3e09d8a6c6838a94ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 861ed5295bf7e78268b455d29a58cc5f3991b7cdd8f216bbf549615ecea0d844
[INFO] running `Command { std: "docker" "start" "-a" "861ed5295bf7e78268b455d29a58cc5f3991b7cdd8f216bbf549615ecea0d844", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking gameboy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hardware/bus.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mmu: Box<MMU>,
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mmu: Box<dyn MMU>,
[INFO] [stdout]   |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hardware/bus.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mmu: Box<MMU>,
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mmu: Box<dyn MMU>,
[INFO] [stdout]   |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     cpu: Box<GameboyCPU>,
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     cpu: Box<dyn GameboyCPU>,
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     cpu: Box<GameboyCPU>,
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     cpu: Box<dyn GameboyCPU>,
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hardware/bus.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(mmu: Box<MMU>) -> Bus {
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(mmu: Box<dyn MMU>) -> Bus {
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hardware/mmu.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn get_mmu(cartridge: CartridgeInfo) -> Option<Box<MMU>> {
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn get_mmu(cartridge: CartridgeInfo) -> Option<Box<dyn MMU>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hardware/bus.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(mmu: Box<MMU>) -> Bus {
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(mmu: Box<dyn MMU>) -> Bus {
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hardware/mmu.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn get_mmu(cartridge: CartridgeInfo) -> Option<Box<MMU>> {
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn get_mmu(cartridge: CartridgeInfo) -> Option<Box<dyn MMU>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/cpu/mod.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let opcode = bus.read_byte(self.pc);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles`
[INFO] [stdout]   --> src/cpu/mod.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let cycles = instructions::call(self, bus);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/cpu/mod.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let opcode = bus.read_byte(self.pc);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles`
[INFO] [stdout]   --> src/cpu/mod.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let cycles = instructions::call(self, bus);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hardware/mmu.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hardware/mmu.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hardware/mmu.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hardware/mmu.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hardware/mmu.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cartridge`
[INFO] [stdout]    --> src/hardware/mmu.rs:103:16
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn get_mmu(cartridge: CartridgeInfo) -> Option<Box<MMU>> {
[INFO] [stdout]     |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/hardware/mmu.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hardware/mmu.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn write(&mut self, addr: u16, value: u8) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cartridge`
[INFO] [stdout]    --> src/hardware/mmu.rs:103:16
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn get_mmu(cartridge: CartridgeInfo) -> Option<Box<MMU>> {
[INFO] [stdout]     |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let test = cartridge.mem[0x0147];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let test = cartridge.mem[0x0147];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `if_reg`, `ie_reg`, and `ime_reg` are never read
[INFO] [stdout]   --> src/cpu/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LR35902 {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     if_reg: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     ie_reg: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     ime_reg: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/hardware/cartridge_reader.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CartridgeInfo {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 6 |     pub mem: Vec<u8>,
[INFO] [stdout] 7 |     pub size: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]  --> src/hardware/mmu.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MMU {
[INFO] [stdout]   |           --- method in this trait
[INFO] [stdout] 4 |     fn read(&self, addr: u16) -> u8;
[INFO] [stdout] 5 |     fn write(&mut self, addr: u16, value: u8);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `if_reg`, `ie_reg`, and `ime_reg` are never read
[INFO] [stdout]   --> src/cpu/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LR35902 {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     if_reg: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     ie_reg: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     ime_reg: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBC2` is never constructed
[INFO] [stdout]   --> src/hardware/mmu.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct MBC2 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/hardware/cartridge_reader.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CartridgeInfo {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 6 |     pub mem: Vec<u8>,
[INFO] [stdout] 7 |     pub size: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]  --> src/hardware/mmu.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MMU {
[INFO] [stdout]   |           --- method in this trait
[INFO] [stdout] 4 |     fn read(&self, addr: u16) -> u8;
[INFO] [stdout] 5 |     fn write(&mut self, addr: u16, value: u8);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBC2` is never constructed
[INFO] [stdout]   --> src/hardware/mmu.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct MBC2 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "861ed5295bf7e78268b455d29a58cc5f3991b7cdd8f216bbf549615ecea0d844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861ed5295bf7e78268b455d29a58cc5f3991b7cdd8f216bbf549615ecea0d844", kill_on_drop: false }`
[INFO] [stdout] 861ed5295bf7e78268b455d29a58cc5f3991b7cdd8f216bbf549615ecea0d844