[INFO] cloning repository https://github.com/leopnt/chip8-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leopnt/chip8-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleopnt%2Fchip8-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleopnt%2Fchip8-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c076d09d906bf90a0744d7b390a2cfbc823abd20
[INFO] testing leopnt/chip8-interpreter against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleopnt%2Fchip8-interpreter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leopnt/chip8-interpreter
[INFO] finished tweaking git repo https://github.com/leopnt/chip8-interpreter
[INFO] tweaked toml for git repo https://github.com/leopnt/chip8-interpreter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leopnt/chip8-interpreter on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leopnt/chip8-interpreter 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b
[INFO] running `Command { std: "docker" "start" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling libloading v0.7.3
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[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling ash v0.34.0+1.2.203
[INFO] [stderr]    Compiling bit-vec v0.6.3
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[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling wgpu-types v0.12.0
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling wgpu-core v0.12.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling gpu-alloc v0.5.3
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling profiling v1.0.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling pollster v0.2.5
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
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[INFO] [stderr]    Compiling nix v0.22.3
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[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling naga v0.8.5
[INFO] [stderr]    Compiling ultraviolet v0.8.1
[INFO] [stderr]    Compiling wayland-commons v0.29.4
[INFO] [stderr]    Compiling calloop v0.9.3
[INFO] [stderr]    Compiling wayland-cursor v0.29.4
[INFO] [stderr]    Compiling wgpu-hal v0.12.5
[INFO] [stderr]    Compiling wgpu v0.12.0
[INFO] [stderr]    Compiling pixels v0.9.0
[INFO] [stderr]    Compiling winit_input_helper v0.12.0
[INFO] [stderr]    Compiling chip8-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `COSMACVIP`
[INFO] [stdout]  --> src/interpreter.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::keyconf::{COSMACVIP, KEYCONFIG};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/memory.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |             self.data[(PROG_LOC as usize + i)] = *byte;
[INFO] [stdout]    |                       ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -             self.data[(PROG_LOC as usize + i)] = *byte;
[INFO] [stdout] 33 +             self.data[PROG_LOC as usize + i] = *byte;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/memory.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |             self.data[(FONT_LOC as usize + i)] = *byte;
[INFO] [stdout]    |                       ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -             self.data[(FONT_LOC as usize + i)] = *byte;
[INFO] [stdout] 39 +             self.data[FONT_LOC as usize + i] = *byte;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `delta` is never read
[INFO] [stdout]    --> src/main.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 delta = (elapsed.as_micros() as f32) / 1000_000.0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delta` is never read
[INFO] [stdout]    --> src/main.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 delta = (elapsed.as_micros() as f32) / 1000_000.0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut delta: f32 = 0.0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `vf` and `stop` are never used
[INFO] [stdout]   --> src/interpreter.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Interpreter {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn vf(&self) -> u8 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn stop(&self) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `hexdump` and `write_u16` are never used
[INFO] [stdout]   --> src/memory.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memory {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn hexdump(&self, from: u16, len: u16) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn write_u16(&mut self, addr: u16, data: u16) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wgpu-core v0.12.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `COSMACVIP`
[INFO] [stdout]  --> src/interpreter.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::keyconf::{COSMACVIP, KEYCONFIG};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/memory.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |             self.data[(PROG_LOC as usize + i)] = *byte;
[INFO] [stdout]    |                       ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -             self.data[(PROG_LOC as usize + i)] = *byte;
[INFO] [stdout] 33 +             self.data[PROG_LOC as usize + i] = *byte;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/memory.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |             self.data[(FONT_LOC as usize + i)] = *byte;
[INFO] [stdout]    |                       ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -             self.data[(FONT_LOC as usize + i)] = *byte;
[INFO] [stdout] 39 +             self.data[FONT_LOC as usize + i] = *byte;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `delta` is never read
[INFO] [stdout]    --> src/main.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 delta = (elapsed.as_micros() as f32) / 1000_000.0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delta` is never read
[INFO] [stdout]    --> src/main.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 delta = (elapsed.as_micros() as f32) / 1000_000.0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut delta: f32 = 0.0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hexdump` is never used
[INFO] [stdout]   --> src/memory.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memory {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn hexdump(&self, from: u16, len: u16) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wgpu-core v0.12.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `COSMACVIP`
[INFO] [stderr]  --> src/interpreter.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::keyconf::{COSMACVIP, KEYCONFIG};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/memory.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |             self.data[(PROG_LOC as usize + i)] = *byte;
[INFO] [stderr]    |                       ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 33 -             self.data[(PROG_LOC as usize + i)] = *byte;
[INFO] [stderr] 33 +             self.data[PROG_LOC as usize + i] = *byte;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/memory.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |             self.data[(FONT_LOC as usize + i)] = *byte;
[INFO] [stderr]    |                       ^                     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 39 -             self.data[(FONT_LOC as usize + i)] = *byte;
[INFO] [stderr] 39 +             self.data[FONT_LOC as usize + i] = *byte;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: value captured by `delta` is never read
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 delta = (elapsed.as_micros() as f32) / 1000_000.0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `delta` is never read
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 delta = (elapsed.as_micros() as f32) / 1000_000.0;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]   --> src/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut delta: f32 = 0.0;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `hexdump` is never used
[INFO] [stderr]   --> src/memory.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Memory {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn hexdump(&self, from: u16, len: u16) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8-interpreter` (bin "chip8-interpreter" test) generated 7 warnings (run `cargo fix --bin "chip8-interpreter" -p chip8-interpreter --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wgpu-core v0.12.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/chip8_interpreter-62cc11adaf2a32cc)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test interpreter::tests::test_add_to_index ... ok
[INFO] [stdout] test interpreter::tests::test_add_to_vx ... ok
[INFO] [stdout] test interpreter::tests::test_clear_screen ... ok
[INFO] [stdout] test interpreter::tests::test_font_character ... ok
[INFO] [stdout] test interpreter::tests::test_jump ... ok
[INFO] [stdout] test interpreter::tests::test_jump_with_offset ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_and ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_binary_and ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_binary_xor ... ok
[INFO] [stdout] test interpreter::tests::test_display ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_binary_or ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_set ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_bit_shift ... ok
[INFO] [stdout] test interpreter::tests::test_logical_arithmetic_sub ... ok
[INFO] [stdout] test interpreter::tests::test_mem_write_registers ... ok
[INFO] [stdout] test interpreter::tests::test_read_delay_timer ... ok
[INFO] [stdout] test interpreter::tests::test_registers_read_mem ... ok
[INFO] [stdout] test interpreter::tests::test_set_timers ... ok
[INFO] [stdout] test interpreter::tests::test_set_vi ... ok
[INFO] [stdout] test interpreter::tests::test_set_vx ... ok
[INFO] [stdout] test interpreter::tests::test_skip_if_key_not_pressed ... ok
[INFO] [stdout] test interpreter::tests::test_skip_if_key_pressed ... ok
[INFO] [stdout] test interpreter::tests::test_skip_if_vx_equals_nn ... ok
[INFO] [stdout] test interpreter::tests::test_skip_if_vx_equals_vy ... ok
[INFO] [stdout] test interpreter::tests::test_subroutines ... ok
[INFO] [stdout] test memory::tests::test_load_font ... ok
[INFO] [stdout] test memory::tests::test_load_prgm ... ok
[INFO] [stdout] test memory::tests::test_read_write ... ok
[INFO] [stdout] test memory::tests::test_read_write_u16 ... ok
[INFO] [stdout] test interpreter::tests::test_binary_coded_decimal_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b", kill_on_drop: false }`
[INFO] [stdout] 3df25c1e6b177a2f85ea37f0cb20da773360a1684adf7c650450cb0b94e1df9b
