[INFO] cloning repository https://github.com/Odebe/rusty-chip-8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Odebe/rusty-chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdebe%2Frusty-chip-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdebe%2Frusty-chip-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c02b94a4b7c90bcba7975988930d66effe6c11a8 [INFO] checking Odebe/rusty-chip-8/c02b94a4b7c90bcba7975988930d66effe6c11a8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdebe%2Frusty-chip-8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Odebe/rusty-chip-8 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Odebe/rusty-chip-8 [INFO] finished tweaking git repo https://github.com/Odebe/rusty-chip-8 [INFO] tweaked toml for git repo https://github.com/Odebe/rusty-chip-8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Odebe/rusty-chip-8 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cf6ff6e3fef740a5ab351df53e3129c75936a929c74af1aa8096b10b42c284d [INFO] running `Command { std: "docker" "start" "-a" "3cf6ff6e3fef740a5ab351df53e3129c75936a929c74af1aa8096b10b42c284d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cf6ff6e3fef740a5ab351df53e3129c75936a929c74af1aa8096b10b42c284d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cf6ff6e3fef740a5ab351df53e3129c75936a929c74af1aa8096b10b42c284d", kill_on_drop: false }` [INFO] [stdout] 3cf6ff6e3fef740a5ab351df53e3129c75936a929c74af1aa8096b10b42c284d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b12232dae29e3a889840187ac2f8f0e9ef57d664fd00aa21b2053fe5ac9ea05e [INFO] running `Command { std: "docker" "start" "-a" "b12232dae29e3a889840187ac2f8f0e9ef57d664fd00aa21b2053fe5ac9ea05e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling sdl2 v0.34.3 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Compiling sdl2-sys v0.34.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking rusty-chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `delay_timer` is never read [INFO] [stdout] --> src/chip8/mod.rs:399:5 [INFO] [stdout] | [INFO] [stdout] 390 | pub struct Emulator { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 399 | delay_timer: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant `TIMER_HZ` is never used [INFO] [stdout] --> src/chip8/mod.rs:404:11 [INFO] [stdout] | [INFO] [stdout] 402 | impl Emulator { [INFO] [stdout] | ------------- associated constant in this implementation [INFO] [stdout] 403 | const ROM_START: u16 = 512; [INFO] [stdout] 404 | const TIMER_HZ: u32 = 10; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/chip8/mod.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | self.canvas.fill_rect(rect); [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] 103 | let _ = self.canvas.fill_rect(rect); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/chip8/mod.rs:298:9 [INFO] [stdout] | [INFO] [stdout] 298 | write!(fmt, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/chip8/mod.rs:299:34 [INFO] [stdout] | [INFO] [stdout] 299 | for e in self.0.iter() { write!(fmt, "{:x}, ", *e); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `delay_timer` is never read [INFO] [stdout] --> src/chip8/mod.rs:399:5 [INFO] [stdout] | [INFO] [stdout] 390 | pub struct Emulator { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 399 | delay_timer: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant `TIMER_HZ` is never used [INFO] [stdout] --> src/chip8/mod.rs:404:11 [INFO] [stdout] | [INFO] [stdout] 402 | impl Emulator { [INFO] [stdout] | ------------- associated constant in this implementation [INFO] [stdout] 403 | const ROM_START: u16 = 512; [INFO] [stdout] 404 | const TIMER_HZ: u32 = 10; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/chip8/mod.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | self.canvas.fill_rect(rect); [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] 103 | let _ = self.canvas.fill_rect(rect); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/chip8/mod.rs:298:9 [INFO] [stdout] | [INFO] [stdout] 298 | write!(fmt, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/chip8/mod.rs:299:34 [INFO] [stdout] | [INFO] [stdout] 299 | for e in self.0.iter() { write!(fmt, "{:x}, ", *e); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.95s [INFO] running `Command { std: "docker" "inspect" "b12232dae29e3a889840187ac2f8f0e9ef57d664fd00aa21b2053fe5ac9ea05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b12232dae29e3a889840187ac2f8f0e9ef57d664fd00aa21b2053fe5ac9ea05e", kill_on_drop: false }` [INFO] [stdout] b12232dae29e3a889840187ac2f8f0e9ef57d664fd00aa21b2053fe5ac9ea05e