[INFO] cloning repository https://github.com/mccordryan/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mccordryan/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmccordryan%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmccordryan%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6feded7c8b090eb9dcab2d7cbad8bb0ea31bbf06 [INFO] testing mccordryan/chip8 against 1.95.0 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmccordryan%2Fchip8" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mccordryan/chip8 [INFO] finished tweaking git repo https://github.com/mccordryan/chip8 [INFO] tweaked toml for git repo https://github.com/mccordryan/chip8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mccordryan/chip8 on toolchain 1.95.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mccordryan/chip8 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wayland-cursor v0.31.8 [INFO] [stderr] Downloaded wit-bindgen-rt v0.33.0 [INFO] [stderr] Downloaded quote v1.0.39 [INFO] [stderr] Downloaded cc v1.2.16 [INFO] [stderr] Downloaded pixels v0.15.0 [INFO] [stderr] Downloaded ultraviolet v0.9.2 [INFO] [stderr] Downloaded wayland-backend v0.3.8 [INFO] [stderr] Downloaded zerocopy-derive v0.8.23 [INFO] [stderr] Downloaded sctk-adwaita v0.8.3 [INFO] [stderr] Downloaded wayland-client v0.31.8 [INFO] [stderr] Downloaded wasi v0.13.3+wasi-0.2.2 [INFO] [stderr] Downloaded getrandom v0.3.1 [INFO] [stderr] Downloaded quick-xml v0.37.2 [INFO] [stderr] Downloaded zerocopy v0.8.23 [INFO] [stderr] Downloaded syn v2.0.99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b8f1a93cb62f632798c3bc63c48de512562fba10af2b25b9359adf7435a073a [INFO] running `Command { std: "docker" "start" "-a" "9b8f1a93cb62f632798c3bc63c48de512562fba10af2b25b9359adf7435a073a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b8f1a93cb62f632798c3bc63c48de512562fba10af2b25b9359adf7435a073a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b8f1a93cb62f632798c3bc63c48de512562fba10af2b25b9359adf7435a073a", kill_on_drop: false }` [INFO] [stdout] 9b8f1a93cb62f632798c3bc63c48de512562fba10af2b25b9359adf7435a073a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac3175588ddf52bea5109d91682674329be3deebf1f5cec46a34123189fb52de [INFO] running `Command { std: "docker" "start" "-a" "ac3175588ddf52bea5109d91682674329be3deebf1f5cec46a34123189fb52de", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v2.9.0 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling log v0.4.26 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling bytemuck v1.22.0 [INFO] [stderr] Compiling cc v1.2.16 [INFO] [stderr] Compiling wayland-sys v0.31.6 [INFO] [stderr] Compiling dlib v0.5.2 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling wayland-client v0.31.8 [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling indexmap v2.7.1 [INFO] [stderr] Compiling spirv v0.3.0+sdk-1.3.268.0 [INFO] [stderr] Compiling gpu-descriptor-types v0.1.2 [INFO] [stderr] Compiling gpu-alloc-types v0.3.0 [INFO] [stderr] Compiling quote v1.0.39 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling wgpu-hal v0.19.5 [INFO] [stderr] Compiling getrandom v0.3.1 [INFO] [stderr] Compiling zerocopy v0.8.23 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling syn v2.0.99 [INFO] [stderr] Compiling gpu-alloc v0.6.0 [INFO] [stderr] Compiling symphonia-core v0.5.4 [INFO] [stderr] Compiling ash v0.37.3+1.3.251 [INFO] [stderr] Compiling wgpu-types v0.19.2 [INFO] [stderr] Compiling quick-xml v0.37.2 [INFO] [stderr] Compiling wgpu-core v0.19.4 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling smithay-client-toolkit v0.18.1 [INFO] [stderr] Compiling glow v0.13.1 [INFO] [stderr] Compiling cursor-icon v1.1.0 [INFO] [stderr] Compiling tiny-skia-path v0.11.4 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling khronos-egl v6.0.0 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling wayland-scanner v0.31.6 [INFO] [stderr] Compiling memmap2 v0.9.5 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling safe_arch v0.7.4 [INFO] [stderr] Compiling symphonia-metadata v0.5.4 [INFO] [stderr] Compiling wgpu v0.19.4 [INFO] [stderr] Compiling cpal v0.15.3 [INFO] [stderr] Compiling ogg v0.8.0 [INFO] [stderr] Compiling wayland-backend v0.3.8 [INFO] [stderr] Compiling tinyvec v1.9.0 [INFO] [stderr] Compiling wide v0.7.32 [INFO] [stderr] Compiling gpu-descriptor v0.2.4 [INFO] [stderr] Compiling alsa v0.9.1 [INFO] [stderr] Compiling tiny-skia v0.11.4 [INFO] [stderr] Compiling symphonia-bundle-mp3 v0.5.4 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling winit v0.29.15 [INFO] [stderr] Compiling dasp_sample v0.11.0 [INFO] [stderr] Compiling x11rb-protocol v0.13.1 [INFO] [stderr] Compiling x11-dl v2.21.0 [INFO] [stderr] Compiling xkbcommon-dl v0.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling smol_str v0.2.2 [INFO] [stderr] Compiling hound v3.5.1 [INFO] [stderr] Compiling lewton v0.10.2 [INFO] [stderr] Compiling claxon v0.4.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling pollster v0.3.0 [INFO] [stderr] Compiling symphonia v0.5.4 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.0 [INFO] [stderr] Compiling ultraviolet v0.9.2 [INFO] [stderr] Compiling rodio v0.20.1 [INFO] [stderr] Compiling polling v3.7.4 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling naga v0.19.2 [INFO] [stderr] Compiling calloop v0.12.4 [INFO] [stderr] Compiling wayland-csd-frame v0.3.0 [INFO] [stderr] Compiling wayland-protocols v0.31.2 [INFO] [stderr] Compiling wayland-cursor v0.31.8 [INFO] [stderr] Compiling calloop-wayland-source v0.2.0 [INFO] [stderr] Compiling wayland-protocols-wlr v0.2.0 [INFO] [stderr] Compiling wayland-protocols-plasma v0.2.0 [INFO] [stderr] Compiling sctk-adwaita v0.8.3 [INFO] [stderr] Compiling x11rb v0.13.1 [INFO] [stderr] Compiling pixels v0.15.0 [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:6:39 [INFO] [stdout] | [INFO] [stdout] 6 | use winit::{dpi::LogicalSize, event::{self, ElementState, Event, WindowEvent}, event_loop::EventLoop, window::WindowBuilder, platform... [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek` is never used [INFO] [stdout] --> src/stack.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Stack { [INFO] [stdout] | ---------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn peek(&mut self) -> T { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `any` is never used [INFO] [stdout] --> src/input.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Input { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn any(&mut self) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "ac3175588ddf52bea5109d91682674329be3deebf1f5cec46a34123189fb52de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac3175588ddf52bea5109d91682674329be3deebf1f5cec46a34123189fb52de", kill_on_drop: false }` [INFO] [stdout] ac3175588ddf52bea5109d91682674329be3deebf1f5cec46a34123189fb52de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 610adca0fc38f7a804b4a8dbf265a9de1ba53216b9e7afdf4e3df40bcac78bc7 [INFO] running `Command { std: "docker" "start" "-a" "610adca0fc38f7a804b4a8dbf265a9de1ba53216b9e7afdf4e3df40bcac78bc7", kill_on_drop: false }` [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:6:39 [INFO] [stdout] | [INFO] [stdout] 6 | use winit::{dpi::LogicalSize, event::{self, ElementState, Event, WindowEvent}, event_loop::EventLoop, window::WindowBuilder, platform... [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `any` is never used [INFO] [stdout] --> src/input.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Input { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn any(&mut 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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/stack.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | stack.add(5); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = stack.add(5); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/stack.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | stack.add(4); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = stack.add(4); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/stack.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | stack.add(3); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = stack.add(3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/stack.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | stack.add(2); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = stack.add(2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "610adca0fc38f7a804b4a8dbf265a9de1ba53216b9e7afdf4e3df40bcac78bc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "610adca0fc38f7a804b4a8dbf265a9de1ba53216b9e7afdf4e3df40bcac78bc7", kill_on_drop: false }` [INFO] [stdout] 610adca0fc38f7a804b4a8dbf265a9de1ba53216b9e7afdf4e3df40bcac78bc7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5b9e98c5b7561d37a396ddf9c01cc20ceeb8b5dd39e4c3bd7bac230d91c65417 [INFO] running `Command { std: "docker" "start" "-a" "5b9e98c5b7561d37a396ddf9c01cc20ceeb8b5dd39e4c3bd7bac230d91c65417", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:6:39 [INFO] [stderr] | [INFO] [stderr] 6 | use winit::{dpi::LogicalSize, event::{self, ElementState, Event, WindowEvent}, event_loop::EventLoop, window::WindowBuilder, platform... [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `any` is never used [INFO] [stderr] --> src/input.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 7 | impl Input { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 19 | pub fn any(&mut self) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/stack.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | stack.add(5); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 67 | let _ = stack.add(5); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/stack.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | stack.add(4); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 68 | let _ = stack.add(4); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/stack.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | stack.add(3); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 69 | let _ = stack.add(3); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/stack.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | stack.add(2); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 72 | let _ = stack.add(2); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 6 warnings (run `cargo fix --bin "chip8" -p chip8 --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-7889bb0d0de63b5a) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test stack::tests::more_complex_test ... ok [INFO] [stdout] test stack::tests::test_stack_push_pop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5b9e98c5b7561d37a396ddf9c01cc20ceeb8b5dd39e4c3bd7bac230d91c65417", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b9e98c5b7561d37a396ddf9c01cc20ceeb8b5dd39e4c3bd7bac230d91c65417", kill_on_drop: false }` [INFO] [stdout] 5b9e98c5b7561d37a396ddf9c01cc20ceeb8b5dd39e4c3bd7bac230d91c65417