[INFO] cloning repository https://github.com/blikq/chip8-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blikq/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblikq%2Fchip8-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblikq%2Fchip8-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f2b01e2955d526f1df7c7c688832ed9cbb0f371 [INFO] checking blikq/chip8-rust against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblikq%2Fchip8-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/blikq/chip8-rust [INFO] finished tweaking git repo https://github.com/blikq/chip8-rust [INFO] tweaked toml for git repo https://github.com/blikq/chip8-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/blikq/chip8-rust on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/blikq/chip8-rust 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b101d6309acbbd878c56a41ea0735204b2fc0c605fa14cbfc05cc3bd97454f4d [INFO] running `Command { std: "docker" "start" "-a" "b101d6309acbbd878c56a41ea0735204b2fc0c605fa14cbfc05cc3bd97454f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b101d6309acbbd878c56a41ea0735204b2fc0c605fa14cbfc05cc3bd97454f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b101d6309acbbd878c56a41ea0735204b2fc0c605fa14cbfc05cc3bd97454f4d", kill_on_drop: false }` [INFO] [stdout] b101d6309acbbd878c56a41ea0735204b2fc0c605fa14cbfc05cc3bd97454f4d [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0809388581a6e9f88447ca1c5d968f40211036290daa9b249a182ff1cb47789 [INFO] running `Command { std: "docker" "start" "-a" "f0809388581a6e9f88447ca1c5d968f40211036290daa9b249a182ff1cb47789", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling xml-rs v0.8.19 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling rustix v0.38.26 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking libloading v0.8.1 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking raw-window-handle v0.4.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling wayland-sys v0.29.5 [INFO] [stderr] Compiling x11-dl v2.21.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling wayland-scanner v0.29.5 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling minifb v0.25.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wayland-client v0.29.5 [INFO] [stderr] Compiling wayland-protocols v0.29.5 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking wayland-commons v0.29.5 [INFO] [stderr] Checking xcursor v0.3.4 [INFO] [stderr] Checking wayland-cursor v0.29.5 [INFO] [stderr] Checking chip8-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/cpu.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/cpu.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ram.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut ram = Ram{memory: [0; 4096]}; [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: variable does not need to be mutable [INFO] [stdout] --> src/ram.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut ram = Ram{memory: [0; 4096]}; [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: field `rng` is never read [INFO] [stdout] --> src/cpu.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Cpu { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | rng: ThreadRng, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | window.update_with_buffer(&buffer, 640, 320); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 121 | let _ = window.update_with_buffer(&buffer, 640, 320); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rng` is never read [INFO] [stdout] --> src/cpu.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Cpu { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | rng: ThreadRng, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | window.update_with_buffer(&buffer, 640, 320); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 121 | let _ = window.update_with_buffer(&buffer, 640, 320); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.91s [INFO] running `Command { std: "docker" "inspect" "f0809388581a6e9f88447ca1c5d968f40211036290daa9b249a182ff1cb47789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0809388581a6e9f88447ca1c5d968f40211036290daa9b249a182ff1cb47789", kill_on_drop: false }` [INFO] [stdout] f0809388581a6e9f88447ca1c5d968f40211036290daa9b249a182ff1cb47789