[INFO] cloning repository https://github.com/pmasucci/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmasucci/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0276d2f684223062d78417b452176b7bd7d768b4 [INFO] testing pmasucci/chip8 against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmasucci/chip8 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pmasucci/chip8 [INFO] finished tweaking git repo https://github.com/pmasucci/chip8 [INFO] tweaked toml for git repo https://github.com/pmasucci/chip8 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/pmasucci/chip8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce114cab42c909575dce095938f85219ea24ad336b538f6792c74598b3eb2ee5 [INFO] running `Command { std: "docker" "start" "-a" "ce114cab42c909575dce095938f85219ea24ad336b538f6792c74598b3eb2ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce114cab42c909575dce095938f85219ea24ad336b538f6792c74598b3eb2ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce114cab42c909575dce095938f85219ea24ad336b538f6792c74598b3eb2ee5", kill_on_drop: false }` [INFO] [stdout] ce114cab42c909575dce095938f85219ea24ad336b538f6792c74598b3eb2ee5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d959d4424c01b62988db6e78354686549f4c0001b82b6e204bdc76f0aa7b47e [INFO] running `Command { std: "docker" "start" "-a" "8d959d4424c01b62988db6e78354686549f4c0001b82b6e204bdc76f0aa7b47e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling piston-float v1.0.0 [INFO] [stderr] Compiling nix v0.13.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling downcast-rs v1.0.4 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling shader_version v0.3.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling piston-texture v0.6.0 [INFO] [stderr] Compiling interpolation v0.2.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling read_color v1.0.0 [INFO] [stderr] Compiling piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling getopts v0.2.19 [INFO] [stderr] Compiling stb_truetype v0.2.6 [INFO] [stderr] Compiling piston-viewport v1.0.0 [INFO] [stderr] Compiling vecmath v1.0.0 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling gif v0.10.1 [INFO] [stderr] Compiling wayland-scanner v0.21.12 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling wayland-sys v0.21.12 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling wayland-client v0.21.12 [INFO] [stderr] Compiling wayland-protocols v0.21.12 [INFO] [stderr] Compiling rusttype v0.7.6 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling piston2d-graphics v0.32.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling wayland-commons v0.21.12 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.21.1 [INFO] [stderr] Compiling pistoncore-input v0.25.0 [INFO] [stderr] Compiling pistoncore-window v0.38.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.43.0 [INFO] [stderr] Compiling piston v0.43.0 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.62.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.5 [INFO] [stderr] Compiling winit v0.18.1 [INFO] [stderr] Compiling pistoncore-glutin_window v0.55.0 [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/chip.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/chip.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(u) = e.update_args() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes_read` [INFO] [stdout] --> src/cpu.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let bytes_read = if let Ok(bytes_read) = f.read(&mut buffer) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Screen` [INFO] [stdout] --> src/drivers/displayDriver.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Screen { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DisplayDriver` [INFO] [stdout] --> src/drivers/displayDriver.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DisplayDriver { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/drivers/displayDriver.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(screen: Screen, scale: u8, primary_color: [u8; 4]) -> DisplayDriver { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `display` [INFO] [stdout] --> src/drivers/displayDriver.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn display(&mut self, screen: [u8; 2048]) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:22:30 [INFO] [stdout] | [INFO] [stdout] 22 | Err(error) => panic!(error.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 22 | Err(error) => panic!("{}", error.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `displayDriver` should have a snake case name [INFO] [stdout] --> src/drivers/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod displayDriver; [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `display_driver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.26s [INFO] running `Command { std: "docker" "inspect" "8d959d4424c01b62988db6e78354686549f4c0001b82b6e204bdc76f0aa7b47e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d959d4424c01b62988db6e78354686549f4c0001b82b6e204bdc76f0aa7b47e", kill_on_drop: false }` [INFO] [stdout] 8d959d4424c01b62988db6e78354686549f4c0001b82b6e204bdc76f0aa7b47e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bd6108a73d81cb691f3cc4d096632c70789b2186ba8a8f16663f09adf0251f6 [INFO] running `Command { std: "docker" "start" "-a" "1bd6108a73d81cb691f3cc4d096632c70789b2186ba8a8f16663f09adf0251f6", kill_on_drop: false }` [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/chip.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/chip.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(u) = e.update_args() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes_read` [INFO] [stdout] --> src/cpu.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let bytes_read = if let Ok(bytes_read) = f.read(&mut buffer) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Screen` [INFO] [stdout] --> src/drivers/displayDriver.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Screen { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DisplayDriver` [INFO] [stdout] --> src/drivers/displayDriver.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DisplayDriver { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/drivers/displayDriver.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(screen: Screen, scale: u8, primary_color: [u8; 4]) -> DisplayDriver { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `display` [INFO] [stdout] --> src/drivers/displayDriver.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn display(&mut self, screen: [u8; 2048]) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:22:30 [INFO] [stdout] | [INFO] [stdout] 22 | Err(error) => panic!(error.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 22 | Err(error) => panic!("{}", error.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `displayDriver` should have a snake case name [INFO] [stdout] --> src/drivers/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod displayDriver; [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `display_driver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.57s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-1cec5b70608331fc) [INFO] running `Command { std: "docker" "inspect" "1bd6108a73d81cb691f3cc4d096632c70789b2186ba8a8f16663f09adf0251f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bd6108a73d81cb691f3cc4d096632c70789b2186ba8a8f16663f09adf0251f6", kill_on_drop: false }` [INFO] [stdout] 1bd6108a73d81cb691f3cc4d096632c70789b2186ba8a8f16663f09adf0251f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5d95abab3fdafd31ded77b8971c3bb6c35df8d35a73d45e33458f512e638a4df [INFO] running `Command { std: "docker" "start" "-a" "5d95abab3fdafd31ded77b8971c3bb6c35df8d35a73d45e33458f512e638a4df", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/chip.rs:13:11 [INFO] [stderr] | [INFO] [stderr] 13 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/chip.rs:53:17 [INFO] [stderr] | [INFO] [stderr] 53 | if let Some(u) = e.update_args() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes_read` [INFO] [stderr] --> src/cpu.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let bytes_read = if let Ok(bytes_read) = f.read(&mut buffer) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Screen` [INFO] [stderr] --> src/drivers/displayDriver.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct Screen { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DisplayDriver` [INFO] [stderr] --> src/drivers/displayDriver.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct DisplayDriver { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/drivers/displayDriver.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new(screen: Screen, scale: u8, primary_color: [u8; 4]) -> DisplayDriver { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `display` [INFO] [stderr] --> src/drivers/displayDriver.rs:20:10 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn display(&mut self, screen: [u8; 2048]) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:22:30 [INFO] [stderr] | [INFO] [stderr] 22 | Err(error) => panic!(error.to_string()), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 22 | Err(error) => panic!("{}", error.to_string()), [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: module `displayDriver` should have a snake case name [INFO] [stderr] --> src/drivers/mod.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod displayDriver; [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `display_driver` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-1cec5b70608331fc) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5d95abab3fdafd31ded77b8971c3bb6c35df8d35a73d45e33458f512e638a4df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d95abab3fdafd31ded77b8971c3bb6c35df8d35a73d45e33458f512e638a4df", kill_on_drop: false }` [INFO] [stdout] 5d95abab3fdafd31ded77b8971c3bb6c35df8d35a73d45e33458f512e638a4df