[INFO] cloning repository https://github.com/dbousamra/rnes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbousamra/rnes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbousamra%2Frnes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbousamra%2Frnes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 728dcb3610f04ec407b175807c32ef57d7c91be9
[INFO] checking dbousamra/rnes against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbousamra%2Frnes" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbousamra/rnes on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbousamra/rnes
[INFO] finished tweaking git repo https://github.com/dbousamra/rnes
[INFO] tweaked toml for git repo https://github.com/dbousamra/rnes written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dbousamra/rnes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d2e3266a6da046be08d5d6167c41647899650ac3af0dc69168179375fdbdfd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09d2e3266a6da046be08d5d6167c41647899650ac3af0dc69168179375fdbdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d2e3266a6da046be08d5d6167c41647899650ac3af0dc69168179375fdbdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d2e3266a6da046be08d5d6167c41647899650ac3af0dc69168179375fdbdfd", kill_on_drop: false }`
[INFO] [stdout] 09d2e3266a6da046be08d5d6167c41647899650ac3af0dc69168179375fdbdfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 397a7cecfad6bb878025409d96038283776d146e4e71c0c5d2b6b028f063acc3
[INFO] running `Command { std: "docker" "start" "-a" "397a7cecfad6bb878025409d96038283776d146e4e71c0c5d2b6b028f063acc3", kill_on_drop: false }`
[INFO] [stderr]     Checking bitfield v0.13.1
[INFO] [stderr]     Checking rnes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bus.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |   mapper: Box<Mapper>,
[INFO] [stdout]   |               ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/cpu.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     if (debug) {
[INFO] [stdout]    |        ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mapper.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Mapper {
[INFO] [stdout]   |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mapper.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn new(cartridge: Cartridge) -> Box<Mapper> {
[INFO] [stdout]    |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bus.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |   mapper: Box<Mapper>,
[INFO] [stdout]   |               ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/cpu.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     if (debug) {
[INFO] [stdout]    |        ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mapper.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Mapper {
[INFO] [stdout]   |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mapper.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn new(cartridge: Cartridge) -> Box<Mapper> {
[INFO] [stdout]    |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/opcode.rs:372:7
[INFO] [stdout]     |
[INFO] [stdout] 372 |       _ => panic!("0x{:X} is not a known opcode", raw),
[INFO] [stdout]     |       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 |   fn cli(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:577:21
[INFO] [stdout]     |
[INFO] [stdout] 577 |   fn kil(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:622:21
[INFO] [stdout]     |
[INFO] [stdout] 622 |   fn anc(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:626:21
[INFO] [stdout]     |
[INFO] [stdout] 626 |   fn alr(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:630:21
[INFO] [stdout]     |
[INFO] [stdout] 630 |   fn arr(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |   fn xaa(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:638:21
[INFO] [stdout]     |
[INFO] [stdout] 638 |   fn ahx(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |   fn tas(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:646:21
[INFO] [stdout]     |
[INFO] [stdout] 646 |   fn shx(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:650:21
[INFO] [stdout]     |
[INFO] [stdout] 650 |   fn shy(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:654:21
[INFO] [stdout]     |
[INFO] [stdout] 654 |   fn las(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:658:21
[INFO] [stdout]     |
[INFO] [stdout] 658 |   fn axs(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/cpu.rs:737:25
[INFO] [stdout]     |
[INFO] [stdout] 737 |   fn illegal(&mut self, opcode: Opcode) -> () {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/ppu.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |   fn read_oam_data(&mut self, address: u16) -> u8 {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/ppu.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |   fn read_data(&mut self, address: u16) -> u8 {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hi`
[INFO] [stdout]  --> src/util.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let (lo, hi) = split_word(value);
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_hi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unused`
[INFO] [stdout]  --> src/cpu.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   Unused = 2,
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> src/cpu.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   Break = 3,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kil`
[INFO] [stdout]    --> src/cpu.rs:577:6
[INFO] [stdout]     |
[INFO] [stdout] 577 |   fn kil(&mut self, address: u16) -> () {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/opcode.rs:372:7
[INFO] [stdout]     |
[INFO] [stdout] 372 |       _ => panic!("0x{:X} is not a known opcode", raw),
[INFO] [stdout]     |       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 |   fn cli(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:577:21
[INFO] [stdout]     |
[INFO] [stdout] 577 |   fn kil(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:622:21
[INFO] [stdout]     |
[INFO] [stdout] 622 |   fn anc(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:626:21
[INFO] [stdout]     |
[INFO] [stdout] 626 |   fn alr(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:630:21
[INFO] [stdout]     |
[INFO] [stdout] 630 |   fn arr(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |   fn xaa(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:638:21
[INFO] [stdout]     |
[INFO] [stdout] 638 |   fn ahx(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:642:21
[INFO] [stdout]     |
[INFO] [stdout] 642 |   fn tas(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:646:21
[INFO] [stdout]     |
[INFO] [stdout] 646 |   fn shx(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:650:21
[INFO] [stdout]     |
[INFO] [stdout] 650 |   fn shy(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:654:21
[INFO] [stdout]     |
[INFO] [stdout] 654 |   fn las(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:658:21
[INFO] [stdout]     |
[INFO] [stdout] 658 |   fn axs(&mut self, address: u16) -> () {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/cpu.rs:737:25
[INFO] [stdout]     |
[INFO] [stdout] 737 |   fn illegal(&mut self, opcode: Opcode) -> () {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/ppu.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |   fn read_oam_data(&mut self, address: u16) -> u8 {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/ppu.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |   fn read_data(&mut self, address: u16) -> u8 {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hi`
[INFO] [stdout]  --> src/util.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let (lo, hi) = split_word(value);
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_hi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unused`
[INFO] [stdout]  --> src/cpu.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   Unused = 2,
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> src/cpu.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   Break = 3,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kil`
[INFO] [stdout]    --> src/cpu.rs:577:6
[INFO] [stdout]     |
[INFO] [stdout] 577 |   fn kil(&mut self, address: u16) -> () {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "397a7cecfad6bb878025409d96038283776d146e4e71c0c5d2b6b028f063acc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397a7cecfad6bb878025409d96038283776d146e4e71c0c5d2b6b028f063acc3", kill_on_drop: false }`
[INFO] [stdout] 397a7cecfad6bb878025409d96038283776d146e4e71c0c5d2b6b028f063acc3