[INFO] cloning repository https://github.com/angusholder/NES
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angusholder/NES" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangusholder%2FNES", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangusholder%2FNES'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 090ba6532411b9dc3459f23d433e65dbf704598f
[INFO] checking angusholder/NES against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangusholder%2FNES" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/angusholder/NES
[INFO] finished tweaking git repo https://github.com/angusholder/NES
[INFO] tweaked toml for git repo https://github.com/angusholder/NES written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/angusholder/NES on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/angusholder/NES 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nes_core v0.1.0 (/opt/rustwide/workdir/nes_core)
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[INFO] [stdout] warning: fields `cutoff_freq` and `sample_period` are never read
[INFO] [stdout]    --> nes_core/src/apu.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub struct IIRFilter {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 340 |     last_sample_output: f32,
[INFO] [stdout] 341 |     cutoff_freq: f32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 342 |     sample_period: f32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]    Compiling serde_spanned v0.6.1
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]    Compiling toml v0.7.3
[INFO] [stderr]    Compiling system-deps v6.0.4
[INFO] [stderr]    Compiling glib-sys v0.16.3
[INFO] [stderr]    Compiling gobject-sys v0.16.3
[INFO] [stderr]    Compiling atk-sys v0.16.0
[INFO] [stderr]    Compiling gio-sys v0.16.3
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[INFO] [stdout] warning: unused import: `nes_core::mapper::Mapper`
[INFO] [stdout]  --> nes_core/benches/frame_time.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nes_core::mapper::Mapper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> nes_core/src/test_cpu.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut nes = &mut new_nes();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> nes_core/src/test_cpu.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut nes = &mut new_nes();
[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]   --> nes_core/src/test_cpu.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut nes = &mut new_nes();
[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]   --> nes_core/src/test_cpu.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:218:13
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:386:13
[INFO] [stdout]     |
[INFO] [stdout] 386 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:539:13
[INFO] [stdout]     |
[INFO] [stdout] 539 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:553:13
[INFO] [stdout]     |
[INFO] [stdout] 553 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:592:13
[INFO] [stdout]     |
[INFO] [stdout] 592 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:606:13
[INFO] [stdout]     |
[INFO] [stdout] 606 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:621:13
[INFO] [stdout]     |
[INFO] [stdout] 621 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:639:13
[INFO] [stdout]     |
[INFO] [stdout] 639 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:654:13
[INFO] [stdout]     |
[INFO] [stdout] 654 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:669:13
[INFO] [stdout]     |
[INFO] [stdout] 669 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 710 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:725:13
[INFO] [stdout]     |
[INFO] [stdout] 725 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:744:13
[INFO] [stdout]     |
[INFO] [stdout] 744 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:757:13
[INFO] [stdout]     |
[INFO] [stdout] 757 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:770:13
[INFO] [stdout]     |
[INFO] [stdout] 770 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:815:13
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:840:13
[INFO] [stdout]     |
[INFO] [stdout] 840 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:854:13
[INFO] [stdout]     |
[INFO] [stdout] 854 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:868:13
[INFO] [stdout]     |
[INFO] [stdout] 868 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:892:13
[INFO] [stdout]     |
[INFO] [stdout] 892 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:907:13
[INFO] [stdout]     |
[INFO] [stdout] 907 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:922:13
[INFO] [stdout]     |
[INFO] [stdout] 922 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:948:13
[INFO] [stdout]     |
[INFO] [stdout] 948 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:963:13
[INFO] [stdout]     |
[INFO] [stdout] 963 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:978:13
[INFO] [stdout]     |
[INFO] [stdout] 978 |         let mut nes = &mut new_nes();
[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]    --> nes_core/src/test_cpu.rs:997:13
[INFO] [stdout]     |
[INFO] [stdout] 997 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1010:13
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1023:13
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1036:13
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1049:13
[INFO] [stdout]      |
[INFO] [stdout] 1049 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1064:13
[INFO] [stdout]      |
[INFO] [stdout] 1064 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1079:13
[INFO] [stdout]      |
[INFO] [stdout] 1079 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1098:13
[INFO] [stdout]      |
[INFO] [stdout] 1098 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1114:13
[INFO] [stdout]      |
[INFO] [stdout] 1114 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1130:13
[INFO] [stdout]      |
[INFO] [stdout] 1130 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1150:13
[INFO] [stdout]      |
[INFO] [stdout] 1150 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1167:13
[INFO] [stdout]      |
[INFO] [stdout] 1167 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1184:13
[INFO] [stdout]      |
[INFO] [stdout] 1184 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1205:13
[INFO] [stdout]      |
[INFO] [stdout] 1205 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1220:13
[INFO] [stdout]      |
[INFO] [stdout] 1220 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1236:13
[INFO] [stdout]      |
[INFO] [stdout] 1236 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1252:13
[INFO] [stdout]      |
[INFO] [stdout] 1252 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1267:13
[INFO] [stdout]      |
[INFO] [stdout] 1267 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1283:13
[INFO] [stdout]      |
[INFO] [stdout] 1283 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1299:13
[INFO] [stdout]      |
[INFO] [stdout] 1299 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1314:13
[INFO] [stdout]      |
[INFO] [stdout] 1314 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1326:13
[INFO] [stdout]      |
[INFO] [stdout] 1326 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1349:13
[INFO] [stdout]      |
[INFO] [stdout] 1349 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1361:13
[INFO] [stdout]      |
[INFO] [stdout] 1361 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1377:13
[INFO] [stdout]      |
[INFO] [stdout] 1377 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1390:13
[INFO] [stdout]      |
[INFO] [stdout] 1390 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1414:13
[INFO] [stdout]      |
[INFO] [stdout] 1414 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1427:13
[INFO] [stdout]      |
[INFO] [stdout] 1427 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1444:13
[INFO] [stdout]      |
[INFO] [stdout] 1444 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1455:13
[INFO] [stdout]      |
[INFO] [stdout] 1455 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1470:13
[INFO] [stdout]      |
[INFO] [stdout] 1470 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1481:13
[INFO] [stdout]      |
[INFO] [stdout] 1481 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1511:13
[INFO] [stdout]      |
[INFO] [stdout] 1511 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1526:13
[INFO] [stdout]      |
[INFO] [stdout] 1526 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1545:13
[INFO] [stdout]      |
[INFO] [stdout] 1545 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1561:13
[INFO] [stdout]      |
[INFO] [stdout] 1561 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1577:13
[INFO] [stdout]      |
[INFO] [stdout] 1577 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1597:13
[INFO] [stdout]      |
[INFO] [stdout] 1597 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1614:13
[INFO] [stdout]      |
[INFO] [stdout] 1614 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1631:13
[INFO] [stdout]      |
[INFO] [stdout] 1631 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1652:13
[INFO] [stdout]      |
[INFO] [stdout] 1652 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1668:13
[INFO] [stdout]      |
[INFO] [stdout] 1668 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1685:13
[INFO] [stdout]      |
[INFO] [stdout] 1685 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1704:13
[INFO] [stdout]      |
[INFO] [stdout] 1704 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1722:13
[INFO] [stdout]      |
[INFO] [stdout] 1722 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1742:13
[INFO] [stdout]      |
[INFO] [stdout] 1742 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1762:13
[INFO] [stdout]      |
[INFO] [stdout] 1762 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1783:13
[INFO] [stdout]      |
[INFO] [stdout] 1783 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1804:13
[INFO] [stdout]      |
[INFO] [stdout] 1804 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1817:13
[INFO] [stdout]      |
[INFO] [stdout] 1817 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1834:13
[INFO] [stdout]      |
[INFO] [stdout] 1834 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1848:13
[INFO] [stdout]      |
[INFO] [stdout] 1848 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1873:13
[INFO] [stdout]      |
[INFO] [stdout] 1873 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1887:13
[INFO] [stdout]      |
[INFO] [stdout] 1887 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1905:13
[INFO] [stdout]      |
[INFO] [stdout] 1905 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1920:13
[INFO] [stdout]      |
[INFO] [stdout] 1920 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1946:13
[INFO] [stdout]      |
[INFO] [stdout] 1946 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1961:13
[INFO] [stdout]      |
[INFO] [stdout] 1961 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1986:13
[INFO] [stdout]      |
[INFO] [stdout] 1986 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:1997:13
[INFO] [stdout]      |
[INFO] [stdout] 1997 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2018:13
[INFO] [stdout]      |
[INFO] [stdout] 2018 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2030:13
[INFO] [stdout]      |
[INFO] [stdout] 2030 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2054:13
[INFO] [stdout]      |
[INFO] [stdout] 2054 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2066:13
[INFO] [stdout]      |
[INFO] [stdout] 2066 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2088:13
[INFO] [stdout]      |
[INFO] [stdout] 2088 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2101:13
[INFO] [stdout]      |
[INFO] [stdout] 2101 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2126:13
[INFO] [stdout]      |
[INFO] [stdout] 2126 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2139:13
[INFO] [stdout]      |
[INFO] [stdout] 2139 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2164:13
[INFO] [stdout]      |
[INFO] [stdout] 2164 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2177:13
[INFO] [stdout]      |
[INFO] [stdout] 2177 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2202:13
[INFO] [stdout]      |
[INFO] [stdout] 2202 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2216:13
[INFO] [stdout]      |
[INFO] [stdout] 2216 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2242:13
[INFO] [stdout]      |
[INFO] [stdout] 2242 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2256:13
[INFO] [stdout]      |
[INFO] [stdout] 2256 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2274:13
[INFO] [stdout]      |
[INFO] [stdout] 2274 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2286:13
[INFO] [stdout]      |
[INFO] [stdout] 2286 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2309:13
[INFO] [stdout]      |
[INFO] [stdout] 2309 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2321:13
[INFO] [stdout]      |
[INFO] [stdout] 2321 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2337:13
[INFO] [stdout]      |
[INFO] [stdout] 2337 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2350:13
[INFO] [stdout]      |
[INFO] [stdout] 2350 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2374:13
[INFO] [stdout]      |
[INFO] [stdout] 2374 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2387:13
[INFO] [stdout]      |
[INFO] [stdout] 2387 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2404:13
[INFO] [stdout]      |
[INFO] [stdout] 2404 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2415:13
[INFO] [stdout]      |
[INFO] [stdout] 2415 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2430:13
[INFO] [stdout]      |
[INFO] [stdout] 2430 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2441:13
[INFO] [stdout]      |
[INFO] [stdout] 2441 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2456:13
[INFO] [stdout]      |
[INFO] [stdout] 2456 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2469:13
[INFO] [stdout]      |
[INFO] [stdout] 2469 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2486:13
[INFO] [stdout]      |
[INFO] [stdout] 2486 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2499:13
[INFO] [stdout]      |
[INFO] [stdout] 2499 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2516:13
[INFO] [stdout]      |
[INFO] [stdout] 2516 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2530:13
[INFO] [stdout]      |
[INFO] [stdout] 2530 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2555:13
[INFO] [stdout]      |
[INFO] [stdout] 2555 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2569:13
[INFO] [stdout]      |
[INFO] [stdout] 2569 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2587:13
[INFO] [stdout]      |
[INFO] [stdout] 2587 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2602:13
[INFO] [stdout]      |
[INFO] [stdout] 2602 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2628:13
[INFO] [stdout]      |
[INFO] [stdout] 2628 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2643:13
[INFO] [stdout]      |
[INFO] [stdout] 2643 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2662:13
[INFO] [stdout]      |
[INFO] [stdout] 2662 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2675:13
[INFO] [stdout]      |
[INFO] [stdout] 2675 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2692:13
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2711:13
[INFO] [stdout]      |
[INFO] [stdout] 2711 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2728:13
[INFO] [stdout]      |
[INFO] [stdout] 2728 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2743:13
[INFO] [stdout]      |
[INFO] [stdout] 2743 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2760:13
[INFO] [stdout]      |
[INFO] [stdout] 2760 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2778:13
[INFO] [stdout]      |
[INFO] [stdout] 2778 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2791:13
[INFO] [stdout]      |
[INFO] [stdout] 2791 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2808:13
[INFO] [stdout]      |
[INFO] [stdout] 2808 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2820:13
[INFO] [stdout]      |
[INFO] [stdout] 2820 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2836:13
[INFO] [stdout]      |
[INFO] [stdout] 2836 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2848:13
[INFO] [stdout]      |
[INFO] [stdout] 2848 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2864:13
[INFO] [stdout]      |
[INFO] [stdout] 2864 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2876:13
[INFO] [stdout]      |
[INFO] [stdout] 2876 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2892:13
[INFO] [stdout]      |
[INFO] [stdout] 2892 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2904:13
[INFO] [stdout]      |
[INFO] [stdout] 2904 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2920:13
[INFO] [stdout]      |
[INFO] [stdout] 2920 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2936:13
[INFO] [stdout]      |
[INFO] [stdout] 2936 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2948:13
[INFO] [stdout]      |
[INFO] [stdout] 2948 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2964:13
[INFO] [stdout]      |
[INFO] [stdout] 2964 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2977:13
[INFO] [stdout]      |
[INFO] [stdout] 2977 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:2994:13
[INFO] [stdout]      |
[INFO] [stdout] 2994 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3006:13
[INFO] [stdout]      |
[INFO] [stdout] 3006 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3022:13
[INFO] [stdout]      |
[INFO] [stdout] 3022 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3035:13
[INFO] [stdout]      |
[INFO] [stdout] 3035 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3052:13
[INFO] [stdout]      |
[INFO] [stdout] 3052 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3065:13
[INFO] [stdout]      |
[INFO] [stdout] 3065 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3082:13
[INFO] [stdout]      |
[INFO] [stdout] 3082 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3096:13
[INFO] [stdout]      |
[INFO] [stdout] 3096 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3117:13
[INFO] [stdout]      |
[INFO] [stdout] 3117 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3132:13
[INFO] [stdout]      |
[INFO] [stdout] 3132 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3147:13
[INFO] [stdout]      |
[INFO] [stdout] 3147 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3162:13
[INFO] [stdout]      |
[INFO] [stdout] 3162 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3177:13
[INFO] [stdout]      |
[INFO] [stdout] 3177 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3192:13
[INFO] [stdout]      |
[INFO] [stdout] 3192 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3211:13
[INFO] [stdout]      |
[INFO] [stdout] 3211 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3227:13
[INFO] [stdout]      |
[INFO] [stdout] 3227 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3243:13
[INFO] [stdout]      |
[INFO] [stdout] 3243 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3259:13
[INFO] [stdout]      |
[INFO] [stdout] 3259 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3275:13
[INFO] [stdout]      |
[INFO] [stdout] 3275 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3291:13
[INFO] [stdout]      |
[INFO] [stdout] 3291 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3318:13
[INFO] [stdout]      |
[INFO] [stdout] 3318 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3334:13
[INFO] [stdout]      |
[INFO] [stdout] 3334 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3350:13
[INFO] [stdout]      |
[INFO] [stdout] 3350 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3366:13
[INFO] [stdout]      |
[INFO] [stdout] 3366 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3382:13
[INFO] [stdout]      |
[INFO] [stdout] 3382 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3398:13
[INFO] [stdout]      |
[INFO] [stdout] 3398 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3418:13
[INFO] [stdout]      |
[INFO] [stdout] 3418 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3435:13
[INFO] [stdout]      |
[INFO] [stdout] 3435 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3452:13
[INFO] [stdout]      |
[INFO] [stdout] 3452 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3469:13
[INFO] [stdout]      |
[INFO] [stdout] 3469 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3486:13
[INFO] [stdout]      |
[INFO] [stdout] 3486 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3503:13
[INFO] [stdout]      |
[INFO] [stdout] 3503 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3531:13
[INFO] [stdout]      |
[INFO] [stdout] 3531 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3548:13
[INFO] [stdout]      |
[INFO] [stdout] 3548 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3565:13
[INFO] [stdout]      |
[INFO] [stdout] 3565 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3582:13
[INFO] [stdout]      |
[INFO] [stdout] 3582 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3599:13
[INFO] [stdout]      |
[INFO] [stdout] 3599 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3616:13
[INFO] [stdout]      |
[INFO] [stdout] 3616 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3644:13
[INFO] [stdout]      |
[INFO] [stdout] 3644 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3661:13
[INFO] [stdout]      |
[INFO] [stdout] 3661 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3678:13
[INFO] [stdout]      |
[INFO] [stdout] 3678 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3695:13
[INFO] [stdout]      |
[INFO] [stdout] 3695 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3712:13
[INFO] [stdout]      |
[INFO] [stdout] 3712 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3729:13
[INFO] [stdout]      |
[INFO] [stdout] 3729 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3757:13
[INFO] [stdout]      |
[INFO] [stdout] 3757 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3775:13
[INFO] [stdout]      |
[INFO] [stdout] 3775 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3793:13
[INFO] [stdout]      |
[INFO] [stdout] 3793 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3811:13
[INFO] [stdout]      |
[INFO] [stdout] 3811 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3829:13
[INFO] [stdout]      |
[INFO] [stdout] 3829 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3847:13
[INFO] [stdout]      |
[INFO] [stdout] 3847 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3876:13
[INFO] [stdout]      |
[INFO] [stdout] 3876 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3894:13
[INFO] [stdout]      |
[INFO] [stdout] 3894 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3912:13
[INFO] [stdout]      |
[INFO] [stdout] 3912 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3930:13
[INFO] [stdout]      |
[INFO] [stdout] 3930 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3948:13
[INFO] [stdout]      |
[INFO] [stdout] 3948 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3966:13
[INFO] [stdout]      |
[INFO] [stdout] 3966 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:3988:13
[INFO] [stdout]      |
[INFO] [stdout] 3988 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4001:13
[INFO] [stdout]      |
[INFO] [stdout] 4001 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4014:13
[INFO] [stdout]      |
[INFO] [stdout] 4014 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4027:13
[INFO] [stdout]      |
[INFO] [stdout] 4027 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4040:13
[INFO] [stdout]      |
[INFO] [stdout] 4040 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4057:13
[INFO] [stdout]      |
[INFO] [stdout] 4057 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4069:13
[INFO] [stdout]      |
[INFO] [stdout] 4069 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4085:13
[INFO] [stdout]      |
[INFO] [stdout] 4085 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4098:13
[INFO] [stdout]      |
[INFO] [stdout] 4098 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4122:13
[INFO] [stdout]      |
[INFO] [stdout] 4122 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4135:13
[INFO] [stdout]      |
[INFO] [stdout] 4135 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4152:13
[INFO] [stdout]      |
[INFO] [stdout] 4152 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4166:13
[INFO] [stdout]      |
[INFO] [stdout] 4166 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4191:13
[INFO] [stdout]      |
[INFO] [stdout] 4191 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4205:13
[INFO] [stdout]      |
[INFO] [stdout] 4205 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4230:13
[INFO] [stdout]      |
[INFO] [stdout] 4230 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4244:13
[INFO] [stdout]      |
[INFO] [stdout] 4244 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4269:13
[INFO] [stdout]      |
[INFO] [stdout] 4269 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4284:13
[INFO] [stdout]      |
[INFO] [stdout] 4284 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4310:13
[INFO] [stdout]      |
[INFO] [stdout] 4310 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4325:13
[INFO] [stdout]      |
[INFO] [stdout] 4325 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4350:13
[INFO] [stdout]      |
[INFO] [stdout] 4350 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4363:13
[INFO] [stdout]      |
[INFO] [stdout] 4363 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4379:13
[INFO] [stdout]      |
[INFO] [stdout] 4379 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4393:13
[INFO] [stdout]      |
[INFO] [stdout] 4393 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4417:13
[INFO] [stdout]      |
[INFO] [stdout] 4417 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4431:13
[INFO] [stdout]      |
[INFO] [stdout] 4431 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4448:13
[INFO] [stdout]      |
[INFO] [stdout] 4448 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4463:13
[INFO] [stdout]      |
[INFO] [stdout] 4463 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4488:13
[INFO] [stdout]      |
[INFO] [stdout] 4488 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4503:13
[INFO] [stdout]      |
[INFO] [stdout] 4503 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4521:13
[INFO] [stdout]      |
[INFO] [stdout] 4521 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4534:13
[INFO] [stdout]      |
[INFO] [stdout] 4534 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4547:13
[INFO] [stdout]      |
[INFO] [stdout] 4547 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4564:13
[INFO] [stdout]      |
[INFO] [stdout] 4564 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4578:13
[INFO] [stdout]      |
[INFO] [stdout] 4578 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4592:13
[INFO] [stdout]      |
[INFO] [stdout] 4592 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4617:13
[INFO] [stdout]      |
[INFO] [stdout] 4617 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4631:13
[INFO] [stdout]      |
[INFO] [stdout] 4631 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4645:13
[INFO] [stdout]      |
[INFO] [stdout] 4645 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4663:13
[INFO] [stdout]      |
[INFO] [stdout] 4663 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4678:13
[INFO] [stdout]      |
[INFO] [stdout] 4678 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4693:13
[INFO] [stdout]      |
[INFO] [stdout] 4693 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4719:13
[INFO] [stdout]      |
[INFO] [stdout] 4719 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4734:13
[INFO] [stdout]      |
[INFO] [stdout] 4734 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4749:13
[INFO] [stdout]      |
[INFO] [stdout] 4749 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4768:13
[INFO] [stdout]      |
[INFO] [stdout] 4768 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4781:13
[INFO] [stdout]      |
[INFO] [stdout] 4781 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4798:13
[INFO] [stdout]      |
[INFO] [stdout] 4798 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4814:13
[INFO] [stdout]      |
[INFO] [stdout] 4814 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4834:13
[INFO] [stdout]      |
[INFO] [stdout] 4834 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4849:13
[INFO] [stdout]      |
[INFO] [stdout] 4849 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4864:13
[INFO] [stdout]      |
[INFO] [stdout] 4864 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4883:13
[INFO] [stdout]      |
[INFO] [stdout] 4883 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4899:13
[INFO] [stdout]      |
[INFO] [stdout] 4899 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4915:13
[INFO] [stdout]      |
[INFO] [stdout] 4915 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4942:13
[INFO] [stdout]      |
[INFO] [stdout] 4942 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4958:13
[INFO] [stdout]      |
[INFO] [stdout] 4958 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4974:13
[INFO] [stdout]      |
[INFO] [stdout] 4974 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:4994:13
[INFO] [stdout]      |
[INFO] [stdout] 4994 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5011:13
[INFO] [stdout]      |
[INFO] [stdout] 5011 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5028:13
[INFO] [stdout]      |
[INFO] [stdout] 5028 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5056:13
[INFO] [stdout]      |
[INFO] [stdout] 5056 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5073:13
[INFO] [stdout]      |
[INFO] [stdout] 5073 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5090:13
[INFO] [stdout]      |
[INFO] [stdout] 5090 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5118:13
[INFO] [stdout]      |
[INFO] [stdout] 5118 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5135:13
[INFO] [stdout]      |
[INFO] [stdout] 5135 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5152:13
[INFO] [stdout]      |
[INFO] [stdout] 5152 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5180:13
[INFO] [stdout]      |
[INFO] [stdout] 5180 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5198:13
[INFO] [stdout]      |
[INFO] [stdout] 5198 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5216:13
[INFO] [stdout]      |
[INFO] [stdout] 5216 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5245:13
[INFO] [stdout]      |
[INFO] [stdout] 5245 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5263:13
[INFO] [stdout]      |
[INFO] [stdout] 5263 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5281:13
[INFO] [stdout]      |
[INFO] [stdout] 5281 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5303:13
[INFO] [stdout]      |
[INFO] [stdout] 5303 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5325:13
[INFO] [stdout]      |
[INFO] [stdout] 5325 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5340:13
[INFO] [stdout]      |
[INFO] [stdout] 5340 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5355:13
[INFO] [stdout]      |
[INFO] [stdout] 5355 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5375:13
[INFO] [stdout]      |
[INFO] [stdout] 5375 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5391:13
[INFO] [stdout]      |
[INFO] [stdout] 5391 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5407:13
[INFO] [stdout]      |
[INFO] [stdout] 5407 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5435:13
[INFO] [stdout]      |
[INFO] [stdout] 5435 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5451:13
[INFO] [stdout]      |
[INFO] [stdout] 5451 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5467:13
[INFO] [stdout]      |
[INFO] [stdout] 5467 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5488:13
[INFO] [stdout]      |
[INFO] [stdout] 5488 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5505:13
[INFO] [stdout]      |
[INFO] [stdout] 5505 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5522:13
[INFO] [stdout]      |
[INFO] [stdout] 5522 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5551:13
[INFO] [stdout]      |
[INFO] [stdout] 5551 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5568:13
[INFO] [stdout]      |
[INFO] [stdout] 5568 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5585:13
[INFO] [stdout]      |
[INFO] [stdout] 5585 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5614:13
[INFO] [stdout]      |
[INFO] [stdout] 5614 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5631:13
[INFO] [stdout]      |
[INFO] [stdout] 5631 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5648:13
[INFO] [stdout]      |
[INFO] [stdout] 5648 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5677:13
[INFO] [stdout]      |
[INFO] [stdout] 5677 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5695:13
[INFO] [stdout]      |
[INFO] [stdout] 5695 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5713:13
[INFO] [stdout]      |
[INFO] [stdout] 5713 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5743:13
[INFO] [stdout]      |
[INFO] [stdout] 5743 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5761:13
[INFO] [stdout]      |
[INFO] [stdout] 5761 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5779:13
[INFO] [stdout]      |
[INFO] [stdout] 5779 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5802:13
[INFO] [stdout]      |
[INFO] [stdout] 5802 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5817:13
[INFO] [stdout]      |
[INFO] [stdout] 5817 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5834:13
[INFO] [stdout]      |
[INFO] [stdout] 5834 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5850:13
[INFO] [stdout]      |
[INFO] [stdout] 5850 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5868:13
[INFO] [stdout]      |
[INFO] [stdout] 5868 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5886:13
[INFO] [stdout]      |
[INFO] [stdout] 5886 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5905:13
[INFO] [stdout]      |
[INFO] [stdout] 5905 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5924:13
[INFO] [stdout]      |
[INFO] [stdout] 5924 |         let mut nes = &mut new_nes();
[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]     --> nes_core/src/test_cpu.rs:5934:13
[INFO] [stdout]      |
[INFO] [stdout] 5934 |         let mut nes = &mut new_nes();
[INFO] [stdout]      |             ----^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cutoff_freq` and `sample_period` are never read
[INFO] [stdout]    --> nes_core/src/apu.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub struct IIRFilter {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 340 |     last_sample_output: f32,
[INFO] [stdout] 341 |     cutoff_freq: f32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 342 |     sample_period: f32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.10s
[INFO] running `Command { std: "docker" "inspect" "4c79775d7ec2e5c626c3efa34f5bd7a02902b0013e7f2529ec8fe92697d62081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c79775d7ec2e5c626c3efa34f5bd7a02902b0013e7f2529ec8fe92697d62081", kill_on_drop: false }`
[INFO] [stdout] 4c79775d7ec2e5c626c3efa34f5bd7a02902b0013e7f2529ec8fe92697d62081
