[INFO] cloning repository https://github.com/Blowdire/chip_8_emulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Blowdire/chip_8_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlowdire%2Fchip_8_emulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlowdire%2Fchip_8_emulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d7b84118482d31c181a5d6439fb4fd6bcde96c1 [INFO] checking Blowdire/chip_8_emulator against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlowdire%2Fchip_8_emulator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Blowdire/chip_8_emulator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Blowdire/chip_8_emulator [INFO] finished tweaking git repo https://github.com/Blowdire/chip_8_emulator [INFO] tweaked toml for git repo https://github.com/Blowdire/chip_8_emulator written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Blowdire/chip_8_emulator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded version-compare v0.0.10 [INFO] [stderr] Downloaded sdl2 v0.34.5 [INFO] [stderr] Downloaded sdl2-sys v0.34.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44847570c3a62b9b6b23f0bcf3bbbf4724462630f5a46199c575c4bce95969e5 [INFO] running `Command { std: "docker" "start" "-a" "44847570c3a62b9b6b23f0bcf3bbbf4724462630f5a46199c575c4bce95969e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44847570c3a62b9b6b23f0bcf3bbbf4724462630f5a46199c575c4bce95969e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44847570c3a62b9b6b23f0bcf3bbbf4724462630f5a46199c575c4bce95969e5", kill_on_drop: false }` [INFO] [stdout] 44847570c3a62b9b6b23f0bcf3bbbf4724462630f5a46199c575c4bce95969e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1aa79ad5e4591f1d7f6c2a980c3bf2a8805542d02f14d8c5424fc34f66984c3f [INFO] running `Command { std: "docker" "start" "-a" "1aa79ad5e4591f1d7f6c2a980c3bf2a8805542d02f14d8c5424fc34f66984c3f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling sdl2 v0.34.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling sdl2-sys v0.34.5 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chip_8_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/chip8.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs` [INFO] [stdout] --> src/chip8.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::rngs; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `chip8` should have an upper camel case name [INFO] [stdout] --> src/chip8.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct chip8 { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/disassembler.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chip8::OpCode` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use chip8::OpCode; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::video::{self, Window}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/chip8.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs` [INFO] [stdout] --> src/chip8.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::rngs; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `chip8` should have an upper camel case name [INFO] [stdout] --> src/chip8.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct chip8 { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/disassembler.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chip8::OpCode` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use chip8::OpCode; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::video::{self, Window}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | for evt in event_pump.poll_event() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 53 | while let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | for evt in event_pump.poll_event() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 53 | while let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s [INFO] running `Command { std: "docker" "inspect" "1aa79ad5e4591f1d7f6c2a980c3bf2a8805542d02f14d8c5424fc34f66984c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aa79ad5e4591f1d7f6c2a980c3bf2a8805542d02f14d8c5424fc34f66984c3f", kill_on_drop: false }` [INFO] [stdout] 1aa79ad5e4591f1d7f6c2a980c3bf2a8805542d02f14d8c5424fc34f66984c3f [INFO] checking Blowdire/chip_8_emulator against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlowdire%2Fchip_8_emulator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Blowdire/chip_8_emulator on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Blowdire/chip_8_emulator [INFO] finished tweaking git repo https://github.com/Blowdire/chip_8_emulator [INFO] tweaked toml for git repo https://github.com/Blowdire/chip_8_emulator written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Blowdire/chip_8_emulator 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8301ed709facb2108d012a3f23649d396ad8b75895a6711129c837a23375c08c [INFO] running `Command { std: "docker" "start" "-a" "8301ed709facb2108d012a3f23649d396ad8b75895a6711129c837a23375c08c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8301ed709facb2108d012a3f23649d396ad8b75895a6711129c837a23375c08c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8301ed709facb2108d012a3f23649d396ad8b75895a6711129c837a23375c08c", kill_on_drop: false }` [INFO] [stdout] 8301ed709facb2108d012a3f23649d396ad8b75895a6711129c837a23375c08c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bd1fea0c3f745f7b70d776d211dd6ac61dda89605c97f2a92500ba7d3122236 [INFO] running `Command { std: "docker" "start" "-a" "9bd1fea0c3f745f7b70d776d211dd6ac61dda89605c97f2a92500ba7d3122236", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling sdl2 v0.34.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling sdl2-sys v0.34.5 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chip_8_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/chip8.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs` [INFO] [stdout] --> src/chip8.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::rngs; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `chip8` should have an upper camel case name [INFO] [stdout] --> src/chip8.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct chip8 { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/disassembler.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chip8::OpCode` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use chip8::OpCode; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::video::{self, Window}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/chip8.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs` [INFO] [stdout] --> src/chip8.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::rngs; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `chip8` should have an upper camel case name [INFO] [stdout] --> src/chip8.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct chip8 { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/disassembler.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chip8::OpCode` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use chip8::OpCode; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::video::{self, Window}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | for evt in event_pump.poll_event() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 53 | while let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | for evt in event_pump.poll_event() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 53 | while let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(evt) = event_pump.poll_event() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s [INFO] running `Command { std: "docker" "inspect" "9bd1fea0c3f745f7b70d776d211dd6ac61dda89605c97f2a92500ba7d3122236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bd1fea0c3f745f7b70d776d211dd6ac61dda89605c97f2a92500ba7d3122236", kill_on_drop: false }` [INFO] [stdout] 9bd1fea0c3f745f7b70d776d211dd6ac61dda89605c97f2a92500ba7d3122236