[INFO] cloning repository https://github.com/Zij-IT/RustyChip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zij-IT/RustyChip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac12f17c7d0109501eeaea3bc5253b048e6b290f [INFO] checking Zij-IT/RustyChip against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Zij-IT/RustyChip on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Zij-IT/RustyChip [INFO] finished tweaking git repo https://github.com/Zij-IT/RustyChip [INFO] tweaked toml for git repo https://github.com/Zij-IT/RustyChip written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Zij-IT/RustyChip already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.94 [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded rand_chacha v0.3.0 [INFO] [stderr] Downloaded wasi v0.10.2+wasi-snapshot-preview1 [INFO] [stderr] Downloaded rand_core v0.6.2 [INFO] [stderr] Downloaded getrandom v0.2.2 [INFO] [stderr] Downloaded rand v0.8.3 [INFO] [stderr] Downloaded cfg-if v1.0.0 [INFO] [stderr] Downloaded rand_hc v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] d3aa299ff22358542df9a8c946ecd295b35c27094c9f3c1449d756b6ec121c81 [INFO] running `Command { std: "docker" "start" "-a" "d3aa299ff22358542df9a8c946ecd295b35c27094c9f3c1449d756b6ec121c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3aa299ff22358542df9a8c946ecd295b35c27094c9f3c1449d756b6ec121c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3aa299ff22358542df9a8c946ecd295b35c27094c9f3c1449d756b6ec121c81", kill_on_drop: false }` [INFO] [stdout] d3aa299ff22358542df9a8c946ecd295b35c27094c9f3c1449d756b6ec121c81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43f93094721b1bcb868ffef68ed5f2c815136a5ae8960a70b195184f44fce14e [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" "43f93094721b1bcb868ffef68ed5f2c815136a5ae8960a70b195184f44fce14e", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> src/chip8/cpu.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | let byte = bus.read_byte(self.i + nth_idx as u16); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/chip8/cpu.rs:162:25 [INFO] [stdout] | [INFO] [stdout] 162 | let buffer = bus.get_display_mut(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/chip8/cpu.rs:164:25 [INFO] [stdout] | [INFO] [stdout] 164 | let x = self.v[x]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/chip8/cpu.rs:165:25 [INFO] [stdout] | [INFO] [stdout] 165 | let y = self.v[y]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `delay_timer_start` [INFO] [stdout] --> src/chip8/data_bus.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | delay_timer_start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sound_timer` [INFO] [stdout] --> src/chip8/data_bus.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sound_timer_start` [INFO] [stdout] --> src/chip8/data_bus.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | sound_timer_start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sound_timer` [INFO] [stdout] --> src/chip8/data_bus.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn sound_timer(&mut self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Eti660` [INFO] [stdout] --> src/chip8.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Eti660, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> src/chip8/cpu.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | let byte = bus.read_byte(self.i + nth_idx as u16); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/chip8/cpu.rs:162:25 [INFO] [stdout] | [INFO] [stdout] 162 | let buffer = bus.get_display_mut(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/chip8/cpu.rs:164:25 [INFO] [stdout] | [INFO] [stdout] 164 | let x = self.v[x]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/chip8/cpu.rs:165:25 [INFO] [stdout] | [INFO] [stdout] 165 | let y = self.v[y]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `delay_timer_start` [INFO] [stdout] --> src/chip8/data_bus.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | delay_timer_start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sound_timer` [INFO] [stdout] --> src/chip8/data_bus.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sound_timer_start` [INFO] [stdout] --> src/chip8/data_bus.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | sound_timer_start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sound_timer` [INFO] [stdout] --> src/chip8/data_bus.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn sound_timer(&mut self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Eti660` [INFO] [stdout] --> src/chip8.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Eti660, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.48s [INFO] running `Command { std: "docker" "inspect" "43f93094721b1bcb868ffef68ed5f2c815136a5ae8960a70b195184f44fce14e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43f93094721b1bcb868ffef68ed5f2c815136a5ae8960a70b195184f44fce14e", kill_on_drop: false }` [INFO] [stdout] 43f93094721b1bcb868ffef68ed5f2c815136a5ae8960a70b195184f44fce14e