[INFO] cloning repository https://github.com/ElijahWoelbing/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/ElijahWoelbing/rust-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElijahWoelbing%2Frust-chip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElijahWoelbing%2Frust-chip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9d0b5142686265e35d1ef29f50c86073443be4a2 [INFO] checking ElijahWoelbing/rust-chip8 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElijahWoelbing%2Frust-chip8" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ElijahWoelbing/rust-chip8 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ElijahWoelbing/rust-chip8 [INFO] finished tweaking git repo https://github.com/ElijahWoelbing/rust-chip8 [INFO] tweaked toml for git repo https://github.com/ElijahWoelbing/rust-chip8 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ElijahWoelbing/rust-chip8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a13230cbbf3c500e138e46db667657f80dd37af11148de890a41a25194bb0419 [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" "a13230cbbf3c500e138e46db667657f80dd37af11148de890a41a25194bb0419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a13230cbbf3c500e138e46db667657f80dd37af11148de890a41a25194bb0419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a13230cbbf3c500e138e46db667657f80dd37af11148de890a41a25194bb0419", kill_on_drop: false }` [INFO] [stdout] a13230cbbf3c500e138e46db667657f80dd37af11148de890a41a25194bb0419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5dd1a0218f9b64541681280553cb8b7b359066ed24600ca3734577cd548776e7 [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" "5dd1a0218f9b64541681280553cb8b7b359066ed24600ca3734577cd548776e7", kill_on_drop: false }` [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling wayland-sys v0.27.0 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling minifb v0.19.2 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling clang-sys v1.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling wayland-scanner v0.27.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling wayland-client v0.27.0 [INFO] [stderr] Compiling wayland-protocols v0.27.0 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.3 [INFO] [stderr] Checking wayland-commons v0.27.0 [INFO] [stderr] Checking wayland-cursor v0.27.0 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Checking xkb v0.2.1 [INFO] [stderr] Checking rust-chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut window = match minifb::Window::new("rust chip-8", 64, 32, minifb::WindowOptions::default()) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/cpu.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | for i in 0..8 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut window = match minifb::Window::new("rust chip-8", 64, 32, minifb::WindowOptions::default()) { [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 is never read: `st` [INFO] [stdout] --> src/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | st: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_Vy` [INFO] [stdout] --> src/cpu.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | fn write_Vy(&mut self, value: u8) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | fn write_Vx(&mut self, value: u8) { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `write_vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | fn write_Vy(&mut self, value: u8) { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `write_vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut window = match minifb::Window::new("rust chip-8", 64, 32, minifb::WindowOptions::default()) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/cpu.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | for i in 0..8 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut window = match minifb::Window::new("rust chip-8", 64, 32, minifb::WindowOptions::default()) { [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 is never read: `st` [INFO] [stdout] --> src/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | st: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_Vy` [INFO] [stdout] --> src/cpu.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | fn write_Vy(&mut self, value: u8) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | fn write_Vx(&mut self, value: u8) { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `write_vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | fn write_Vy(&mut self, value: u8) { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `write_vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 48s [INFO] running `Command { std: "docker" "inspect" "5dd1a0218f9b64541681280553cb8b7b359066ed24600ca3734577cd548776e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dd1a0218f9b64541681280553cb8b7b359066ed24600ca3734577cd548776e7", kill_on_drop: false }` [INFO] [stdout] 5dd1a0218f9b64541681280553cb8b7b359066ed24600ca3734577cd548776e7