[INFO] cloning repository https://github.com/christopherjmedlin/hackman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christopherjmedlin/hackman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Fhackman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Fhackman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 116a625552d35f2f8a7bd06f69005ef7283238b0
[INFO] checking christopherjmedlin/hackman against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Fhackman" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/christopherjmedlin/hackman
[INFO] finished tweaking git repo https://github.com/christopherjmedlin/hackman
[INFO] tweaked toml for git repo https://github.com/christopherjmedlin/hackman written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/christopherjmedlin/hackman on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/christopherjmedlin/hackman 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.31.0
[INFO] [stderr]   Downloaded sdl2-sys v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa927e740fa6f5152e6ce4fc1db65cd9e687ac87d18c43456ba22755235f9d13
[INFO] running `Command { std: "docker" "start" "-a" "fa927e740fa6f5152e6ce4fc1db65cd9e687ac87d18c43456ba22755235f9d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa927e740fa6f5152e6ce4fc1db65cd9e687ac87d18c43456ba22755235f9d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa927e740fa6f5152e6ce4fc1db65cd9e687ac87d18c43456ba22755235f9d13", kill_on_drop: false }`
[INFO] [stdout] fa927e740fa6f5152e6ce4fc1db65cd9e687ac87d18c43456ba22755235f9d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ecdff10f173fd5d642622d73164f879d5e2b68232ba0b47110752a73449365
[INFO] running `Command { std: "docker" "start" "-a" "03ecdff10f173fd5d642622d73164f879d5e2b68232ba0b47110752a73449365", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking pacman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:134:18
[INFO] [stdout]     |
[INFO] [stdout] 134 |             (0, 4...7, 0) => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:782:21
[INFO] [stdout]     |
[INFO] [stdout] 782 |             (2, _, 0...3) => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cpu/tests.rs:258:22
[INFO] [stdout]     |
[INFO] [stdout] 258 |     cpu.reg.sp = 100;;
[INFO] [stdout]     |                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         (GAME_ROM_START...GAME_ROM_END, false) => {
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         (GAME_ROM_START...GAME_ROM_END, true) => Err("Cannot write to ROM."),
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |         (VRAM_TILES_START...VRAM_TILES_END, _) => {
[INFO] [stdout]    |                          ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |         (VRAM_PALETTES_START...VRAM_PALETTES_END, _) => {
[INFO] [stdout]    |                             ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |         (RAM_START...RAM_END, _) => Ok(Address::Ram((addr - RAM_START) as usize)),
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |         (VRAM_SPRITES_START...VRAM_SPRITES_END, _) => {
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |         (IN0_REGISTER_START...IN0_REGISTER_END, false) => Ok(Address::IN0Register),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (IN1_REGISTER_START...IN1_REGISTER_END, false) => Ok(Address::IN1Register),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:107:21
[INFO] [stdout]     |
[INFO] [stdout] 107 |         (SOUND_START...SOUND_END, true) => Ok(Address::Sound((addr - SOUND_START) as usize)),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (SPRITE_XY_START...SPRITE_XY_END, true) => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 |         (DIP_SWITCH_START...DIP_SWITCH_END, _) => Ok(Address::DipSwitchRegister),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:115:24
[INFO] [stdout]     |
[INFO] [stdout] 115 |         (WATCHDOG_START...WATCHDOG_END, _) => Ok(Address::WatchdogTimerReset),
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/pacman.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         while true {
[INFO] [stdout]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |         memory: &mut Memory,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |         memory: &mut dyn Memory,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |         io: &mut InputOutput,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |         io: &mut dyn InputOutput,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |         memory: &mut Memory,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 |         memory: &mut dyn Memory,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |         io: &mut InputOutput,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 |         io: &mut dyn InputOutput,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:134:18
[INFO] [stdout]     |
[INFO] [stdout] 134 |             (0, 4...7, 0) => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:539:46
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut dyn Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:782:21
[INFO] [stdout]     |
[INFO] [stdout] 782 |             (2, _, 0...3) => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:539:63
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut dyn InputOutput, ext: bool) -> usize {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         (GAME_ROM_START...GAME_ROM_END, false) => {
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         (GAME_ROM_START...GAME_ROM_END, true) => Err("Cannot write to ROM."),
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |         (VRAM_TILES_START...VRAM_TILES_END, _) => {
[INFO] [stdout]    |                          ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |         (VRAM_PALETTES_START...VRAM_PALETTES_END, _) => {
[INFO] [stdout]    |                             ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |         (RAM_START...RAM_END, _) => Ok(Address::Ram((addr - RAM_START) as usize)),
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |         (VRAM_SPRITES_START...VRAM_SPRITES_END, _) => {
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_map.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |         (IN0_REGISTER_START...IN0_REGISTER_END, false) => Ok(Address::IN0Register),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (IN1_REGISTER_START...IN1_REGISTER_END, false) => Ok(Address::IN1Register),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:107:21
[INFO] [stdout]     |
[INFO] [stdout] 107 |         (SOUND_START...SOUND_END, true) => Ok(Address::Sound((addr - SOUND_START) as usize)),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (SPRITE_XY_START...SPRITE_XY_END, true) => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 |         (DIP_SWITCH_START...DIP_SWITCH_END, _) => Ok(Address::DipSwitchRegister),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory_map.rs:115:24
[INFO] [stdout]     |
[INFO] [stdout] 115 |         (WATCHDOG_START...WATCHDOG_END, _) => Ok(Address::WatchdogTimerReset),
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/memory_mapper.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[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::boxed::Box`
[INFO] [stdout]   --> src/memory_mapper.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use std::boxed::Box;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/pacman.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         while true {
[INFO] [stdout]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:626:58
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut InputOutput) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut dyn Memory, io: &mut InputOutput) -> usize {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use(matches)]
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:626:75
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut InputOutput) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut dyn InputOutput) -> usize {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:792:42
[INFO] [stdout]     |
[INFO] [stdout] 792 |     fn r(&mut self, index: u8, mem: &mut Memory) -> u8 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 792 |     fn r(&mut self, index: u8, mem: &mut dyn Memory) -> u8 {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:800:58
[INFO] [stdout]     |
[INFO] [stdout] 800 |     fn write_r(&mut self, index: u8, byte: u8, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 800 |     fn write_r(&mut self, index: u8, byte: u8, mem: &mut dyn Memory) {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:808:47
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut InputOutput) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut dyn Memory, io: &mut InputOutput) {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:808:64
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut InputOutput) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut dyn InputOutput) {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:952:42
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn load_inc_dec(&mut self, mem: &mut Memory, inc: bool) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn load_inc_dec(&mut self, mem: &mut dyn Memory, inc: bool) {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:974:42
[INFO] [stdout]     |
[INFO] [stdout] 974 |     fn comp_inc_dec(&mut self, mem: &mut Memory, inc: bool) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 974 |     fn comp_inc_dec(&mut self, mem: &mut dyn Memory, inc: bool) {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     fn dec_8(&mut self, y: u8, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     fn dec_8(&mut self, y: u8, mem: &mut dyn Memory) {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1288:42
[INFO] [stdout]      |
[INFO] [stdout] 1288 |     fn inc_8(&mut self, y: u8, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1288 |     fn inc_8(&mut self, y: u8, mem: &mut dyn Memory) {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1303:34
[INFO] [stdout]      |
[INFO] [stdout] 1303 |     fn call(&mut self, mem: &mut Memory, addr: u16) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1303 |     fn call(&mut self, mem: &mut dyn Memory, addr: u16) {
[INFO] [stdout]      |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1310:33
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     fn ret(&mut self, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     fn ret(&mut self, mem: &mut dyn Memory) {
[INFO] [stdout]      |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1316:39
[INFO] [stdout]      |
[INFO] [stdout] 1316 |     fn pop_stack(&mut self, mem: &mut Memory) -> u8 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1316 |     fn pop_stack(&mut self, mem: &mut dyn Memory) -> u8 {
[INFO] [stdout]      |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1324:40
[INFO] [stdout]      |
[INFO] [stdout] 1324 |     fn push_stack(&mut self, mem: &mut Memory, byte: u8) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1324 |     fn push_stack(&mut self, mem: &mut dyn Memory, byte: u8) {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1333:43
[INFO] [stdout]      |
[INFO] [stdout] 1333 |     fn push_stack_16(&mut self, mem: &mut Memory, word: u16) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1333 |     fn push_stack_16(&mut self, mem: &mut dyn Memory, word: u16) {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1338:42
[INFO] [stdout]      |
[INFO] [stdout] 1338 |     fn pop_stack_16(&mut self, mem: &mut Memory) -> u16 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1338 |     fn pop_stack_16(&mut self, mem: &mut dyn Memory) -> u16 {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |         memory: &mut Memory,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |         memory: &mut dyn Memory,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |         io: &mut InputOutput,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |         io: &mut dyn InputOutput,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |         memory: &mut Memory,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 |         memory: &mut dyn Memory,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |         io: &mut InputOutput,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 |         io: &mut dyn InputOutput,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:539:46
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut dyn Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:539:63
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut dyn InputOutput, ext: bool) -> usize {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:626:58
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut InputOutput) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut dyn Memory, io: &mut InputOutput) -> usize {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:626:75
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut InputOutput) -> usize {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut dyn InputOutput) -> usize {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:792:42
[INFO] [stdout]     |
[INFO] [stdout] 792 |     fn r(&mut self, index: u8, mem: &mut Memory) -> u8 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 792 |     fn r(&mut self, index: u8, mem: &mut dyn Memory) -> u8 {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:800:58
[INFO] [stdout]     |
[INFO] [stdout] 800 |     fn write_r(&mut self, index: u8, byte: u8, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 800 |     fn write_r(&mut self, index: u8, byte: u8, mem: &mut dyn Memory) {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:808:47
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut InputOutput) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut dyn Memory, io: &mut InputOutput) {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:808:64
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut InputOutput) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut dyn InputOutput) {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:952:42
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn load_inc_dec(&mut self, mem: &mut Memory, inc: bool) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn load_inc_dec(&mut self, mem: &mut dyn Memory, inc: bool) {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/mod.rs:974:42
[INFO] [stdout]     |
[INFO] [stdout] 974 |     fn comp_inc_dec(&mut self, mem: &mut Memory, inc: bool) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 974 |     fn comp_inc_dec(&mut self, mem: &mut dyn Memory, inc: bool) {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1274:42
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     fn dec_8(&mut self, y: u8, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     fn dec_8(&mut self, y: u8, mem: &mut dyn Memory) {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1288:42
[INFO] [stdout]      |
[INFO] [stdout] 1288 |     fn inc_8(&mut self, y: u8, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1288 |     fn inc_8(&mut self, y: u8, mem: &mut dyn Memory) {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1303:34
[INFO] [stdout]      |
[INFO] [stdout] 1303 |     fn call(&mut self, mem: &mut Memory, addr: u16) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1303 |     fn call(&mut self, mem: &mut dyn Memory, addr: u16) {
[INFO] [stdout]      |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1310:33
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     fn ret(&mut self, mem: &mut Memory) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     fn ret(&mut self, mem: &mut dyn Memory) {
[INFO] [stdout]      |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1316:39
[INFO] [stdout]      |
[INFO] [stdout] 1316 |     fn pop_stack(&mut self, mem: &mut Memory) -> u8 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1316 |     fn pop_stack(&mut self, mem: &mut dyn Memory) -> u8 {
[INFO] [stdout]      |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1324:40
[INFO] [stdout]      |
[INFO] [stdout] 1324 |     fn push_stack(&mut self, mem: &mut Memory, byte: u8) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1324 |     fn push_stack(&mut self, mem: &mut dyn Memory, byte: u8) {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1333:43
[INFO] [stdout]      |
[INFO] [stdout] 1333 |     fn push_stack_16(&mut self, mem: &mut Memory, word: u16) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1333 |     fn push_stack_16(&mut self, mem: &mut dyn Memory, word: u16) {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cpu/mod.rs:1338:42
[INFO] [stdout]      |
[INFO] [stdout] 1338 |     fn pop_stack_16(&mut self, mem: &mut Memory) -> u16 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1338 |     fn pop_stack_16(&mut self, mem: &mut dyn Memory) -> u16 {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/cpu/io.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn input(&self, port: u8) -> u8 {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/cpu/io.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn output(&mut self, port: u8, byte: u8) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cpu/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         for i in 0..iters {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]    --> src/cpu/mod.rs:539:54
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:912:13
[INFO] [stdout]     |
[INFO] [stdout] 870 |             (5, 2) => {
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 912 |             (5, 2) => {
[INFO] [stdout]     |             ^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:919:13
[INFO] [stdout]     |
[INFO] [stdout] 877 |             (6, 2) => {
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 919 |             (6, 2) => {
[INFO] [stdout]     |             ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 891 |             (7, 2) => {
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 933 |             (7, 2) => {
[INFO] [stdout]     |             ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/cpu/mod.rs:1145:13
[INFO] [stdout]      |
[INFO] [stdout] 1145 |         let mut result = left.wrapping_sub(right);
[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/cpu/mod.rs:1347:13
[INFO] [stdout]      |
[INFO] [stdout] 1347 |         let mut left = left + (carry as u8);
[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/cpu/mod.rs:1354:13
[INFO] [stdout]      |
[INFO] [stdout] 1354 |         let mut left = left - (carry as u8);
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `number_of_ones` is assigned to, but never used
[INFO] [stdout]     --> src/cpu/mod.rs:1381:13
[INFO] [stdout]      |
[INFO] [stdout] 1381 |         let mut number_of_ones = 0;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_number_of_ones` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `number_of_ones` is never read
[INFO] [stdout]     --> src/cpu/mod.rs:1384:17
[INFO] [stdout]      |
[INFO] [stdout] 1384 |                 number_of_ones += 1
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/display.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let result = canvas.fill_rect(Rect::new(x_coord, y_coord, 2, 2));
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_flip`
[INFO] [stdout]   --> src/display.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         x_flip: bool,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_flip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_flip`
[INFO] [stdout]   --> src/display.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         y_flip: bool,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_flip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/interrupt_vector.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn input(&self, port: u8) -> u8 {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/interrupt_vector.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn output(&mut self, port: u8, byte: u8) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/cpu/io.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn input(&self, port: u8) -> u8 {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/cpu/io.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn output(&mut self, port: u8, byte: u8) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rom.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let mut color = &mut self.color_rom[i];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/rom.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let color = self.color_rom[*byte as usize];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/rom.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Err(why) => panic!("Missing ROMs"),
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/rom.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Err(why) => panic!("Error reading ROM"),
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestIO` is never constructed
[INFO] [stdout]   --> src/cpu/io.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TestIO {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/cpu/io.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl TestIO {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestMemory` is never constructed
[INFO] [stdout]   --> src/cpu/mem.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TestMemory {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/cpu/mem.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl TestMemory {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_sprite` is never used
[INFO] [stdout]   --> src/display.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> Display<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: usize, palette: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memory_map.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |     VramSprites(usize),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 -     VramSprites(usize),
[INFO] [stdout] 48 +     VramSprites(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memory_map.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Sound(usize),
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 59 -     Sound(usize),
[INFO] [stdout] 59 +     Sound(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memory_map.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |     SpriteXYRegister(usize),
[INFO] [stdout]    |     ---------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 -     SpriteXYRegister(usize),
[INFO] [stdout] 60 +     SpriteXYRegister(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VramPalettes` is never constructed
[INFO] [stdout]   --> src/memory_map.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum Address {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 46 |     VramPalettes(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roms` is never read
[INFO] [stdout]   --> src/pacman.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PacmanSystem<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 13 |     roms: &'a Box<Roms>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sound_roms` is never read
[INFO] [stdout]   --> src/rom.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Roms {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub sound_roms: [[u8; 256]; 2],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cpu/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         for i in 0..iters {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]    --> src/cpu/mod.rs:539:54
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:912:13
[INFO] [stdout]     |
[INFO] [stdout] 870 |             (5, 2) => {
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 912 |             (5, 2) => {
[INFO] [stdout]     |             ^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:919:13
[INFO] [stdout]     |
[INFO] [stdout] 877 |             (6, 2) => {
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 919 |             (6, 2) => {
[INFO] [stdout]     |             ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 891 |             (7, 2) => {
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 933 |             (7, 2) => {
[INFO] [stdout]     |             ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/cpu/mod.rs:1145:13
[INFO] [stdout]      |
[INFO] [stdout] 1145 |         let mut result = left.wrapping_sub(right);
[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/cpu/mod.rs:1347:13
[INFO] [stdout]      |
[INFO] [stdout] 1347 |         let mut left = left + (carry as u8);
[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/cpu/mod.rs:1354:13
[INFO] [stdout]      |
[INFO] [stdout] 1354 |         let mut left = left - (carry as u8);
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `number_of_ones` is assigned to, but never used
[INFO] [stdout]     --> src/cpu/mod.rs:1381:13
[INFO] [stdout]      |
[INFO] [stdout] 1381 |         let mut number_of_ones = 0;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_number_of_ones` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `number_of_ones` is never read
[INFO] [stdout]     --> src/cpu/mod.rs:1384:17
[INFO] [stdout]      |
[INFO] [stdout] 1384 |                 number_of_ones += 1
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu/tests.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut mem = &mut TestMemory::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]   --> src/cpu/tests.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut mem = &mut TestMemory::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/display.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let result = canvas.fill_rect(Rect::new(x_coord, y_coord, 2, 2));
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_flip`
[INFO] [stdout]   --> src/display.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         x_flip: bool,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_flip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_flip`
[INFO] [stdout]   --> src/display.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         y_flip: bool,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_flip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/interrupt_vector.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn input(&self, port: u8) -> u8 {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/interrupt_vector.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn output(&mut self, port: u8, byte: u8) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rom.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let mut color = &mut self.color_rom[i];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/rom.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let color = self.color_rom[*byte as usize];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/rom.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Err(why) => panic!("Missing ROMs"),
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/rom.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Err(why) => panic!("Error reading ROM"),
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_sprite` is never used
[INFO] [stdout]   --> src/display.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> Display<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: usize, palette: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memory_map.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |     VramSprites(usize),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 -     VramSprites(usize),
[INFO] [stdout] 48 +     VramSprites(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memory_map.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Sound(usize),
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 59 -     Sound(usize),
[INFO] [stdout] 59 +     Sound(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memory_map.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |     SpriteXYRegister(usize),
[INFO] [stdout]    |     ---------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 -     SpriteXYRegister(usize),
[INFO] [stdout] 60 +     SpriteXYRegister(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VramPalettes` is never constructed
[INFO] [stdout]   --> src/memory_map.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum Address {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 46 |     VramPalettes(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roms` is never read
[INFO] [stdout]   --> src/pacman.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PacmanSystem<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 13 |     roms: &'a Box<Roms>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sound_roms` is never read
[INFO] [stdout]   --> src/rom.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Roms {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub sound_roms: [[u8; 256]; 2],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "03ecdff10f173fd5d642622d73164f879d5e2b68232ba0b47110752a73449365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ecdff10f173fd5d642622d73164f879d5e2b68232ba0b47110752a73449365", kill_on_drop: false }`
[INFO] [stdout] 03ecdff10f173fd5d642622d73164f879d5e2b68232ba0b47110752a73449365
