[INFO] cloning repository https://github.com/itwasscience/rust_chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itwasscience/rust_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitwasscience%2Frust_chip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitwasscience%2Frust_chip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f802ff9febd0b3703e0a7aded97ace907e06334 [INFO] testing itwasscience/rust_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%2Fitwasscience%2Frust_chip8" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/itwasscience/rust_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/itwasscience/rust_chip8 [INFO] finished tweaking git repo https://github.com/itwasscience/rust_chip8 [INFO] tweaked toml for git repo https://github.com/itwasscience/rust_chip8 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/itwasscience/rust_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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 266a4e245c738f01b3a204e15ad9bb206005cae746cf0bd886f2f2cc01cbe4cb [INFO] running `Command { std: "docker" "start" "-a" "266a4e245c738f01b3a204e15ad9bb206005cae746cf0bd886f2f2cc01cbe4cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "266a4e245c738f01b3a204e15ad9bb206005cae746cf0bd886f2f2cc01cbe4cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "266a4e245c738f01b3a204e15ad9bb206005cae746cf0bd886f2f2cc01cbe4cb", kill_on_drop: false }` [INFO] [stdout] 266a4e245c738f01b3a204e15ad9bb206005cae746cf0bd886f2f2cc01cbe4cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95df9ede5ffd128341fcddf33fdac249f1500e40be97fb7a9cd2ef209cf17e0b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "95df9ede5ffd128341fcddf33fdac249f1500e40be97fb7a9cd2ef209cf17e0b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling cty v0.2.2 [INFO] [stderr] Compiling khronos-egl v4.1.0 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling ash v0.34.0+1.2.203 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling hexf-parse v0.2.1 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling renderdoc-sys v0.7.1 [INFO] [stderr] Compiling glow v0.11.2 [INFO] [stderr] Compiling bytemuck v1.7.3 [INFO] [stderr] Compiling inplace_it v0.3.3 [INFO] [stderr] Compiling profiling v1.0.5 [INFO] [stderr] Compiling copyless v0.1.5 [INFO] [stderr] Compiling winit v0.26.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling pollster v0.2.4 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling wayland-sys v0.29.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling gpu-descriptor-types v0.1.1 [INFO] [stderr] Compiling gpu-alloc-types v0.2.0 [INFO] [stderr] Compiling x11-dl v2.19.1 [INFO] [stderr] Compiling wgpu-types v0.12.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.15.3 [INFO] [stderr] Compiling codespan-reporting v0.11.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling wgpu-core v0.12.2 [INFO] [stderr] Compiling raw-window-handle v0.4.2 [INFO] [stderr] Compiling safe_arch v0.5.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling dlib v0.5.0 [INFO] [stderr] Compiling gpu-alloc v0.5.2 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling wide v0.6.5 [INFO] [stderr] Compiling wayland-scanner v0.29.4 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling spirv v0.2.0+1.5.4 [INFO] [stderr] Compiling wayland-client v0.29.4 [INFO] [stderr] Compiling wayland-protocols v0.29.4 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling nix v0.22.0 [INFO] [stderr] Compiling memmap2 v0.3.1 [INFO] [stderr] Compiling mio v0.8.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling ultraviolet v0.8.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling xcursor v0.3.4 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling gpu-descriptor v0.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling naga v0.8.2 [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 v0.12.2 [INFO] [stderr] Compiling wgpu v0.12.0 [INFO] [stderr] Compiling pixels v0.9.0 [INFO] [stderr] Compiling winit_input_helper v0.11.0 [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:499:22 [INFO] [stdout] | [INFO] [stdout] 499 | let (value, overflow) = cpu.delay_timer.overflowing_sub(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:509:22 [INFO] [stdout] | [INFO] [stdout] 509 | let (value, overflow) = cpu.sound_timer.overflowing_sub(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:328:21 [INFO] [stdout] | [INFO] [stdout] 328 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `rgba` is never read [INFO] [stdout] --> src/main.rs:336:25 [INFO] [stdout] | [INFO] [stdout] 336 | let mut rgba = [0; 4]; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:328:17 [INFO] [stdout] | [INFO] [stdout] 328 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WaitingForKey` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | WaitingForKey, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `EmulationStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `status` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | status: EmulationStatus, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Chip8` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 05s [INFO] running `Command { std: "docker" "inspect" "95df9ede5ffd128341fcddf33fdac249f1500e40be97fb7a9cd2ef209cf17e0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95df9ede5ffd128341fcddf33fdac249f1500e40be97fb7a9cd2ef209cf17e0b", kill_on_drop: false }` [INFO] [stdout] 95df9ede5ffd128341fcddf33fdac249f1500e40be97fb7a9cd2ef209cf17e0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ef6cfc4dccb9712cb4fccfe12eeba1142ba31b5a8899c30674790ed14660f1a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2ef6cfc4dccb9712cb4fccfe12eeba1142ba31b5a8899c30674790ed14660f1a", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:499:22 [INFO] [stdout] | [INFO] [stdout] 499 | let (value, overflow) = cpu.delay_timer.overflowing_sub(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:509:22 [INFO] [stdout] | [INFO] [stdout] 509 | let (value, overflow) = cpu.sound_timer.overflowing_sub(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:328:21 [INFO] [stdout] | [INFO] [stdout] 328 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `rgba` is never read [INFO] [stdout] --> src/main.rs:336:25 [INFO] [stdout] | [INFO] [stdout] 336 | let mut rgba = [0; 4]; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:328:17 [INFO] [stdout] | [INFO] [stdout] 328 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WaitingForKey` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | WaitingForKey, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `EmulationStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `status` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | status: EmulationStatus, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Chip8` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.69s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-3feecb4a6b272df4) [INFO] running `Command { std: "docker" "inspect" "2ef6cfc4dccb9712cb4fccfe12eeba1142ba31b5a8899c30674790ed14660f1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ef6cfc4dccb9712cb4fccfe12eeba1142ba31b5a8899c30674790ed14660f1a", kill_on_drop: false }` [INFO] [stdout] 2ef6cfc4dccb9712cb4fccfe12eeba1142ba31b5a8899c30674790ed14660f1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2640cf92cf797cb2ae264eeea02aa3b834bf2c742f5a9232055b6c2f50244251 [INFO] running `Command { std: "docker" "start" "-a" "2640cf92cf797cb2ae264eeea02aa3b834bf2c742f5a9232055b6c2f50244251", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::thread::current` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::thread::current; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:499:22 [INFO] [stderr] | [INFO] [stderr] 499 | let (value, overflow) = cpu.delay_timer.overflowing_sub(1); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:509:22 [INFO] [stderr] | [INFO] [stderr] 509 | let (value, overflow) = cpu.sound_timer.overflowing_sub(1); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:328:21 [INFO] [stderr] | [INFO] [stderr] 328 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `rgba` is never read [INFO] [stderr] --> src/main.rs:336:25 [INFO] [stderr] | [INFO] [stderr] 336 | let mut rgba = [0; 4]; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:328:17 [INFO] [stderr] | [INFO] [stderr] 328 | let mut rng = rand::thread_rng(); [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: variant is never constructed: `WaitingForKey` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | WaitingForKey, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `EmulationStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `status` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | status: EmulationStatus, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Chip8` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:20:10 [INFO] [stderr] | [INFO] [stderr] 20 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `learning_rust` (bin "learning_rust" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-3feecb4a6b272df4) [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" "2640cf92cf797cb2ae264eeea02aa3b834bf2c742f5a9232055b6c2f50244251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2640cf92cf797cb2ae264eeea02aa3b834bf2c742f5a9232055b6c2f50244251", kill_on_drop: false }` [INFO] [stdout] 2640cf92cf797cb2ae264eeea02aa3b834bf2c742f5a9232055b6c2f50244251