[INFO] updating cached repository https://github.com/bryantheastronaut/chip8 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 57efca0a1156c6542f7bf5bd73bde08e4c8e02be [INFO] testing bryantheastronaut/chip8 against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryantheastronaut%2Fchip8" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bryantheastronaut/chip8 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bryantheastronaut/chip8 [INFO] finished tweaking git repo https://github.com/bryantheastronaut/chip8 [INFO] tweaked toml for git repo https://github.com/bryantheastronaut/chip8 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/bryantheastronaut/chip8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3f8f5568b644476952f819159288433685ab0e465afd14b623e22a01cd08ffda [INFO] running `"docker" "start" "-a" "3f8f5568b644476952f819159288433685ab0e465afd14b623e22a01cd08ffda"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.1 [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling sdl2 v0.31.0 [INFO] [stderr] Compiling CHIP8_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `sdl2::event::Event` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use sdl2::event::Event; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_pump` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_pump` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut i = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `chip` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let chip = Chip::new(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_chip` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `opcode` [INFO] [stderr] --> src/chip.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | opcode: u16, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> src/chip.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | v: [u8; 16], // cpu registers [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `i` [INFO] [stderr] --> src/chip.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | i: usize, // index register [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pc` [INFO] [stderr] --> src/chip.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | pc: usize, // program counter [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `gfx` [INFO] [stderr] --> src/chip.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | gfx: [u8; 2048], // on screen graphics. each represents one pixel 64px x 32px [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stack` [INFO] [stderr] --> src/chip.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | stack: [u16; 16], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sp` [INFO] [stderr] --> src/chip.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | sp: usize, // stack pointer [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `delay_timer` [INFO] [stderr] --> src/chip.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | delay_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sound_timer` [INFO] [stderr] --> src/chip.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | sound_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `key` [INFO] [stderr] --> src/chip.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | key: [u16; 16], // might not need. i think sdl2 will handle key events for me [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `CHIP8_emulator` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `chip8_emulator` [INFO] [stderr] [INFO] [stderr] warning: static variable `fontset` should have an upper case name [INFO] [stderr] --> src/chip.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | static fontset: [u8; 80] = [ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `FONTSET` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.45s [INFO] running `"docker" "inspect" "3f8f5568b644476952f819159288433685ab0e465afd14b623e22a01cd08ffda"` [INFO] running `"docker" "rm" "-f" "3f8f5568b644476952f819159288433685ab0e465afd14b623e22a01cd08ffda"` [INFO] [stdout] 3f8f5568b644476952f819159288433685ab0e465afd14b623e22a01cd08ffda [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3fd3adbd34c8756da5fee4279e8bf2c363ca05b06b5d880c9c68f6f939fc5f4b [INFO] running `"docker" "start" "-a" "3fd3adbd34c8756da5fee4279e8bf2c363ca05b06b5d880c9c68f6f939fc5f4b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling CHIP8_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `sdl2::event::Event` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use sdl2::event::Event; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_pump` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_pump` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut i = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `chip` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let chip = Chip::new(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_chip` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `opcode` [INFO] [stderr] --> src/chip.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | opcode: u16, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> src/chip.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | v: [u8; 16], // cpu registers [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `i` [INFO] [stderr] --> src/chip.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | i: usize, // index register [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pc` [INFO] [stderr] --> src/chip.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | pc: usize, // program counter [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `gfx` [INFO] [stderr] --> src/chip.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | gfx: [u8; 2048], // on screen graphics. each represents one pixel 64px x 32px [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stack` [INFO] [stderr] --> src/chip.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | stack: [u16; 16], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sp` [INFO] [stderr] --> src/chip.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | sp: usize, // stack pointer [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `delay_timer` [INFO] [stderr] --> src/chip.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | delay_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sound_timer` [INFO] [stderr] --> src/chip.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | sound_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `key` [INFO] [stderr] --> src/chip.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | key: [u16; 16], // might not need. i think sdl2 will handle key events for me [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `CHIP8_emulator` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `chip8_emulator` [INFO] [stderr] [INFO] [stderr] warning: static variable `fontset` should have an upper case name [INFO] [stderr] --> src/chip.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | static fontset: [u8; 80] = [ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `FONTSET` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `"docker" "inspect" "3fd3adbd34c8756da5fee4279e8bf2c363ca05b06b5d880c9c68f6f939fc5f4b"` [INFO] running `"docker" "rm" "-f" "3fd3adbd34c8756da5fee4279e8bf2c363ca05b06b5d880c9c68f6f939fc5f4b"` [INFO] [stdout] 3fd3adbd34c8756da5fee4279e8bf2c363ca05b06b5d880c9c68f6f939fc5f4b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 539e6183785199c201e729bf60dec008705198051c0d682fedfea616b2ef7d63 [INFO] running `"docker" "start" "-a" "539e6183785199c201e729bf60dec008705198051c0d682fedfea616b2ef7d63"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `sdl2::event::Event` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use sdl2::event::Event; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_pump` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_pump` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut i = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `chip` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let chip = Chip::new(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_chip` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `opcode` [INFO] [stderr] --> src/chip.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | opcode: u16, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> src/chip.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | v: [u8; 16], // cpu registers [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `i` [INFO] [stderr] --> src/chip.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | i: usize, // index register [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pc` [INFO] [stderr] --> src/chip.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | pc: usize, // program counter [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `gfx` [INFO] [stderr] --> src/chip.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | gfx: [u8; 2048], // on screen graphics. each represents one pixel 64px x 32px [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stack` [INFO] [stderr] --> src/chip.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | stack: [u16; 16], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sp` [INFO] [stderr] --> src/chip.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | sp: usize, // stack pointer [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `delay_timer` [INFO] [stderr] --> src/chip.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | delay_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sound_timer` [INFO] [stderr] --> src/chip.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | sound_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `key` [INFO] [stderr] --> src/chip.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | key: [u16; 16], // might not need. i think sdl2 will handle key events for me [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `CHIP8_emulator` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `chip8_emulator` [INFO] [stderr] [INFO] [stderr] warning: static variable `fontset` should have an upper case name [INFO] [stderr] --> src/chip.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | static fontset: [u8; 80] = [ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `FONTSET` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/CHIP8_emulator-00ab87a7b5d89f7a [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "539e6183785199c201e729bf60dec008705198051c0d682fedfea616b2ef7d63"` [INFO] running `"docker" "rm" "-f" "539e6183785199c201e729bf60dec008705198051c0d682fedfea616b2ef7d63"` [INFO] [stdout] 539e6183785199c201e729bf60dec008705198051c0d682fedfea616b2ef7d63