[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] testing christopherjmedlin/hackman against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Fhackman" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherjmedlin/hackman on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b4438e40ebf08b59d0efc572d6074b72a334cd8db1e6febf47b679fdf26109e
[INFO] running `Command { std: "docker" "start" "-a" "4b4438e40ebf08b59d0efc572d6074b72a334cd8db1e6febf47b679fdf26109e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b4438e40ebf08b59d0efc572d6074b72a334cd8db1e6febf47b679fdf26109e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4438e40ebf08b59d0efc572d6074b72a334cd8db1e6febf47b679fdf26109e", kill_on_drop: false }`
[INFO] [stdout] 4b4438e40ebf08b59d0efc572d6074b72a334cd8db1e6febf47b679fdf26109e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d9db2323b01b0533a3b0ebe7337a5e3a639c7a9e66ef52a6d45117aeedd7c0
[INFO] running `Command { std: "docker" "start" "-a" "e1d9db2323b01b0533a3b0ebe7337a5e3a639c7a9e66ef52a6d45117aeedd7c0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/nightly/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: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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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)]` 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: 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: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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is 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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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)]` 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)]` 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)]` 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:1381:17
[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: 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: 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]    = note: `#[warn(dead_code)]` on by default
[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(()),
[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(()),
[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(()),
[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 7.92s
[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" "e1d9db2323b01b0533a3b0ebe7337a5e3a639c7a9e66ef52a6d45117aeedd7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d9db2323b01b0533a3b0ebe7337a5e3a639c7a9e66ef52a6d45117aeedd7c0", kill_on_drop: false }`
[INFO] [stdout] e1d9db2323b01b0533a3b0ebe7337a5e3a639c7a9e66ef52a6d45117aeedd7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675422e2113a5b5f13c52106daed24ec05243ec7ae6f363a47d5fd1bccbc6ddd
[INFO] running `Command { std: "docker" "start" "-a" "675422e2113a5b5f13c52106daed24ec05243ec7ae6f363a47d5fd1bccbc6ddd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/nightly/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)]` 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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is 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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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/nightly/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)]` 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)]` 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)]` 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:1381:17
[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: unused variable: `mem`
[INFO] [stdout]   --> src/cpu/tests.rs:85:13
[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: 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: `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)]` 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(()),
[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(()),
[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(()),
[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 `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[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" "675422e2113a5b5f13c52106daed24ec05243ec7ae6f363a47d5fd1bccbc6ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675422e2113a5b5f13c52106daed24ec05243ec7ae6f363a47d5fd1bccbc6ddd", kill_on_drop: false }`
[INFO] [stdout] 675422e2113a5b5f13c52106daed24ec05243ec7ae6f363a47d5fd1bccbc6ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84a4734c63df1fe714900bca3666ebcf9e129c508d9c41e118a8f87a41ad6b6f
[INFO] running `Command { std: "docker" "start" "-a" "84a4734c63df1fe714900bca3666ebcf9e129c508d9c41e118a8f87a41ad6b6f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:134:18
[INFO] [stderr]     |
[INFO] [stderr] 134 |             (0, 4...7, 0) => {
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:782:21
[INFO] [stderr]     |
[INFO] [stderr] 782 |             (2, _, 0...3) => {
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/cpu/tests.rs:258:22
[INFO] [stderr]     |
[INFO] [stderr] 258 |     cpu.reg.sp = 100;;
[INFO] [stderr]     |                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |         (GAME_ROM_START...GAME_ROM_END, false) => {
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         (GAME_ROM_START...GAME_ROM_END, true) => Err("Cannot write to ROM."),
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |         (VRAM_TILES_START...VRAM_TILES_END, _) => {
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:84:29
[INFO] [stderr]    |
[INFO] [stderr] 84 |         (VRAM_PALETTES_START...VRAM_PALETTES_END, _) => {
[INFO] [stderr]    |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |         (RAM_START...RAM_END, _) => Ok(Address::Ram((addr - RAM_START) as usize)),
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |         (VRAM_SPRITES_START...VRAM_SPRITES_END, _) => {
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_map.rs:94:28
[INFO] [stderr]    |
[INFO] [stderr] 94 |         (IN0_REGISTER_START...IN0_REGISTER_END, false) => Ok(Address::IN0Register),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory_map.rs:105:28
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (IN1_REGISTER_START...IN1_REGISTER_END, false) => Ok(Address::IN1Register),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory_map.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         (SOUND_START...SOUND_END, true) => Ok(Address::Sound((addr - SOUND_START) as usize)),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory_map.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |         (SPRITE_XY_START...SPRITE_XY_END, true) => {
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory_map.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 |         (DIP_SWITCH_START...DIP_SWITCH_END, _) => Ok(Address::DipSwitchRegister),
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory_map.rs:115:24
[INFO] [stderr]     |
[INFO] [stderr] 115 |         (WATCHDOG_START...WATCHDOG_END, _) => Ok(Address::WatchdogTimerReset),
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/pacman.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         while true {
[INFO] [stderr]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |         memory: &mut Memory,
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 |         memory: &mut dyn Memory,
[INFO] [stderr]    |                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         io: &mut InputOutput,
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 |         io: &mut dyn InputOutput,
[INFO] [stderr]    |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 |         memory: &mut Memory,
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 73 |         memory: &mut dyn Memory,
[INFO] [stderr]    |                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |         io: &mut InputOutput,
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 74 |         io: &mut dyn InputOutput,
[INFO] [stderr]    |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:539:46
[INFO] [stderr]     |
[INFO] [stderr] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stderr]     |                                              ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 539 |     fn run_cb_opcode(&mut self, memory: &mut dyn Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:539:63
[INFO] [stderr]     |
[INFO] [stderr] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut dyn InputOutput, ext: bool) -> usize {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:626:58
[INFO] [stderr]     |
[INFO] [stderr] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut InputOutput) -> usize {
[INFO] [stderr]     |                                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut dyn Memory, io: &mut InputOutput) -> usize {
[INFO] [stderr]     |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:626:75
[INFO] [stderr]     |
[INFO] [stderr] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut InputOutput) -> usize {
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 626 |     fn run_ed_opcode(&mut self, opcode: u8, memory: &mut Memory, io: &mut dyn InputOutput) -> usize {
[INFO] [stderr]     |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:792:42
[INFO] [stderr]     |
[INFO] [stderr] 792 |     fn r(&mut self, index: u8, mem: &mut Memory) -> u8 {
[INFO] [stderr]     |                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 792 |     fn r(&mut self, index: u8, mem: &mut dyn Memory) -> u8 {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:800:58
[INFO] [stderr]     |
[INFO] [stderr] 800 |     fn write_r(&mut self, index: u8, byte: u8, mem: &mut Memory) {
[INFO] [stderr]     |                                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 800 |     fn write_r(&mut self, index: u8, byte: u8, mem: &mut dyn Memory) {
[INFO] [stderr]     |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:808:47
[INFO] [stderr]     |
[INFO] [stderr] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut InputOutput) {
[INFO] [stderr]     |                                               ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut dyn Memory, io: &mut InputOutput) {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:808:64
[INFO] [stderr]     |
[INFO] [stderr] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut InputOutput) {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 808 |     fn bli(&mut self, a: u8, b: u8, mem: &mut Memory, io: &mut dyn InputOutput) {
[INFO] [stderr]     |                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:952:42
[INFO] [stderr]     |
[INFO] [stderr] 952 |     fn load_inc_dec(&mut self, mem: &mut Memory, inc: bool) {
[INFO] [stderr]     |                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 952 |     fn load_inc_dec(&mut self, mem: &mut dyn Memory, inc: bool) {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cpu/mod.rs:974:42
[INFO] [stderr]     |
[INFO] [stderr] 974 |     fn comp_inc_dec(&mut self, mem: &mut Memory, inc: bool) {
[INFO] [stderr]     |                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 974 |     fn comp_inc_dec(&mut self, mem: &mut dyn Memory, inc: bool) {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1274:42
[INFO] [stderr]      |
[INFO] [stderr] 1274 |     fn dec_8(&mut self, y: u8, mem: &mut Memory) {
[INFO] [stderr]      |                                          ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1274 |     fn dec_8(&mut self, y: u8, mem: &mut dyn Memory) {
[INFO] [stderr]      |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1288:42
[INFO] [stderr]      |
[INFO] [stderr] 1288 |     fn inc_8(&mut self, y: u8, mem: &mut Memory) {
[INFO] [stderr]      |                                          ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1288 |     fn inc_8(&mut self, y: u8, mem: &mut dyn Memory) {
[INFO] [stderr]      |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1303:34
[INFO] [stderr]      |
[INFO] [stderr] 1303 |     fn call(&mut self, mem: &mut Memory, addr: u16) {
[INFO] [stderr]      |                                  ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1303 |     fn call(&mut self, mem: &mut dyn Memory, addr: u16) {
[INFO] [stderr]      |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1310:33
[INFO] [stderr]      |
[INFO] [stderr] 1310 |     fn ret(&mut self, mem: &mut Memory) {
[INFO] [stderr]      |                                 ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1310 |     fn ret(&mut self, mem: &mut dyn Memory) {
[INFO] [stderr]      |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1316:39
[INFO] [stderr]      |
[INFO] [stderr] 1316 |     fn pop_stack(&mut self, mem: &mut Memory) -> u8 {
[INFO] [stderr]      |                                       ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1316 |     fn pop_stack(&mut self, mem: &mut dyn Memory) -> u8 {
[INFO] [stderr]      |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1324:40
[INFO] [stderr]      |
[INFO] [stderr] 1324 |     fn push_stack(&mut self, mem: &mut Memory, byte: u8) {
[INFO] [stderr]      |                                        ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1324 |     fn push_stack(&mut self, mem: &mut dyn Memory, byte: u8) {
[INFO] [stderr]      |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1333:43
[INFO] [stderr]      |
[INFO] [stderr] 1333 |     fn push_stack_16(&mut self, mem: &mut Memory, word: u16) {
[INFO] [stderr]      |                                           ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1333 |     fn push_stack_16(&mut self, mem: &mut dyn Memory, word: u16) {
[INFO] [stderr]      |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/cpu/mod.rs:1338:42
[INFO] [stderr]      |
[INFO] [stderr] 1338 |     fn pop_stack_16(&mut self, mem: &mut Memory) -> u16 {
[INFO] [stderr]      |                                          ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1338 |     fn pop_stack_16(&mut self, mem: &mut dyn Memory) -> u16 {
[INFO] [stderr]      |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/cpu/io.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn input(&self, port: u8) -> u8 {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/cpu/io.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn output(&mut self, port: u8, byte: u8) {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu/mod.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         for i in 0..iters {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]    --> src/cpu/mod.rs:539:54
[INFO] [stderr]     |
[INFO] [stderr] 539 |     fn run_cb_opcode(&mut self, memory: &mut Memory, io: &mut InputOutput, ext: bool) -> usize {
[INFO] [stderr]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cpu/mod.rs:912:13
[INFO] [stderr]     |
[INFO] [stderr] 870 |             (5, 2) => {
[INFO] [stderr]     |             ------ matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 912 |             (5, 2) => {
[INFO] [stderr]     |             ^^^^^^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cpu/mod.rs:919:13
[INFO] [stderr]     |
[INFO] [stderr] 877 |             (6, 2) => {
[INFO] [stderr]     |             ------ matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 919 |             (6, 2) => {
[INFO] [stderr]     |             ^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cpu/mod.rs:933:13
[INFO] [stderr]     |
[INFO] [stderr] 891 |             (7, 2) => {
[INFO] [stderr]     |             ------ matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 933 |             (7, 2) => {
[INFO] [stderr]     |             ^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cpu/mod.rs:1145:13
[INFO] [stderr]      |
[INFO] [stderr] 1145 |         let mut result = left.wrapping_sub(right);
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cpu/mod.rs:1347:13
[INFO] [stderr]      |
[INFO] [stderr] 1347 |         let mut left = left + (carry as u8);
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cpu/mod.rs:1354:13
[INFO] [stderr]      |
[INFO] [stderr] 1354 |         let mut left = left - (carry as u8);
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `number_of_ones` is assigned to, but never used
[INFO] [stderr]     --> src/cpu/mod.rs:1381:17
[INFO] [stderr]      |
[INFO] [stderr] 1381 |         let mut number_of_ones = 0;
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_number_of_ones` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mem`
[INFO] [stderr]   --> src/cpu/tests.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut mem = &mut TestMemory::new();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cpu/tests.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut mem = &mut TestMemory::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/display.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 let result = canvas.fill_rect(Rect::new(x_coord, y_coord, 2, 2));
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_flip`
[INFO] [stderr]   --> src/display.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         x_flip: bool,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_flip`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_flip`
[INFO] [stderr]   --> src/display.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         y_flip: bool,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_flip`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/interrupt_vector.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn input(&self, port: u8) -> u8 {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/interrupt_vector.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn output(&mut self, port: u8, byte: u8) {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rom.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let mut color = &mut self.color_rom[i];
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/rom.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let color = self.color_rom[*byte as usize];
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]    --> src/rom.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             Err(why) => panic!("Missing ROMs"),
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]    --> src/rom.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Err(why) => panic!("Error reading ROM"),
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr] 
[INFO] [stderr] warning: method `draw_sprite` is never used
[INFO] [stderr]   --> src/display.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<'a> Display<'a> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: usize, palette: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/memory_map.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |     VramSprites(usize),
[INFO] [stderr]    |     ----------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 48 |     VramSprites(()),
[INFO] [stderr]    |                 ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/memory_map.rs:59:11
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Sound(usize),
[INFO] [stderr]    |     ----- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Sound(()),
[INFO] [stderr]    |           ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/memory_map.rs:60:22
[INFO] [stderr]    |
[INFO] [stderr] 60 |     SpriteXYRegister(usize),
[INFO] [stderr]    |     ---------------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 60 |     SpriteXYRegister(()),
[INFO] [stderr]    |                      ~~
[INFO] [stderr] 
[INFO] [stderr] warning: variant `VramPalettes` is never constructed
[INFO] [stderr]   --> src/memory_map.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub enum Address {
[INFO] [stderr]    |          ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 46 |     VramPalettes(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `roms` is never read
[INFO] [stderr]   --> src/pacman.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct PacmanSystem<'a> {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 13 |     roms: &'a Box<Roms>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `sound_roms` is never read
[INFO] [stderr]   --> src/rom.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Roms {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub sound_roms: [[u8; 256]; 2],
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pacman` (bin "pacman" test) generated 67 warnings (run `cargo fix --bin "pacman" --tests` to apply 42 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pacman-0b2543a2024dbb18)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test cpu::reg::tests::test_write_16bit_r ... ok
[INFO] [stdout] test cpu::tests::test_16bit_inc_dec ... ok
[INFO] [stdout] test cpu::reg::tests::test_cc ... ok
[INFO] [stdout] test cpu::tests::test_16bit_ld ... ok
[INFO] [stdout] test cpu::reg::tests::test_16bit_registers ... ok
[INFO] [stdout] test cpu::tests::test_8bit_loading ... ok
[INFO] [stdout] test cpu::tests::test_8bit_inc_dec ... ok
[INFO] [stdout] test cpu::tests::test_bit_test ... ok
[INFO] [stdout] test cpu::tests::test_add ... ok
[INFO] [stdout] test cpu::tests::test_io ... ok
[INFO] [stdout] test cpu::tests::test_ix_iy_bit_operations ... ok
[INFO] [stdout] test cpu::tests::test_detect_overflow ... ok
[INFO] [stdout] test cpu::tests::test_indirect_loads ... ok
[INFO] [stdout] test cpu::tests::test_interrupt ... ok
[INFO] [stdout] test cpu::tests::test_jr ... ok
[INFO] [stdout] test cpu::tests::test_neg ... ok
[INFO] [stdout] test cpu::tests::test_return ... ok
[INFO] [stdout] test cpu::tests::test_shift ... ok
[INFO] [stdout] test cpu::tests::test_ix_operations ... ok
[INFO] [stdout] test memory_map::tests::test_memory_map ... ok
[INFO] [stdout] test cpu::tests::test_sub ... ok
[INFO] [stdout] test memory_mapper::tests::test_inital_state ... ok
[INFO] [stdout] test cpu::tests::test_stack ... ok
[INFO] [stdout] test memory_mapper::tests::test_read ... ok
[INFO] [stdout] test memory_mapper::tests::test_valid_write ... ok
[INFO] [stdout] test cpu::tests::test_run_opcodes ... ok
[INFO] [stdout] test cpu::tests::test_halt ... FAILED
[INFO] [stdout] test memory_mapper::tests::test_invalid_write - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cpu::tests::test_halt stdout ----
[INFO] [stdout] thread 'cpu::tests::test_halt' panicked at src/cpu/tests.rs:123:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c0926ea4b5a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5c0926ea4b5a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5c0926ea4b5a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c0926ea4b5a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c0926ec9e03 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5c0926ec9e03 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5c0926ea1d23 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5c0926ea49a2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5c0926ea5fba - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5c0926ea5dc4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5c0926e70be9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5c0926e70be9 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5c0926ea6658 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5c0926ea6658 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5c0926ea641a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5c0926ea5039 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5c0926ea60ac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5c0926e2ba60 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5c0926e2be2b - core::panicking::assert_failed_inner::h2ddf1fcc067fa858
[INFO] [stdout]   19:     0x5c0926e2d0a4 - core::panicking::assert_failed::h65481ca39a4cfa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:367:5
[INFO] [stdout]   20:     0x5c0926e30f06 - pacman::cpu::tests::test_halt::h0950a333914fbe67
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu/tests.rs:123:5
[INFO] [stdout]   21:     0x5c0926e30da7 - pacman::cpu::tests::test_halt::{{closure}}::h6b443e7a64eb8943
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu/tests.rs:117:15
[INFO] [stdout]   22:     0x5c0926e2ca96 - core::ops::function::FnOnce::call_once::h9d98bd4778639a0f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c0926e755ab - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c0926e755ab - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5c0926e74de7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5c0926e74de7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5c0926e74de7 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5c0926e74de7 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5c0926e74de7 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5c0926e74de7 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5c0926e74de7 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5c0926e3a0c4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5c0926e3a0c4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5c0926e3d78e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5c0926e3d78e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5c0926e3d78e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5c0926e3d78e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5c0926e3d78e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5c0926e3d78e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5c0926e3d78e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c0926eaa3ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5c0926eaa3ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5c0926eaa3ab - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x79eef54acac3 - <unknown>
[INFO] [stdout]   45:     0x79eef553da04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cpu::tests::test_halt
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 27 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin pacman`
[INFO] running `Command { std: "docker" "inspect" "84a4734c63df1fe714900bca3666ebcf9e129c508d9c41e118a8f87a41ad6b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a4734c63df1fe714900bca3666ebcf9e129c508d9c41e118a8f87a41ad6b6f", kill_on_drop: false }`
[INFO] [stdout] 84a4734c63df1fe714900bca3666ebcf9e129c508d9c41e118a8f87a41ad6b6f
