[INFO] cloning repository https://github.com/cadecolvin/chip8-emu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cadecolvin/chip8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c1bcfb61d1ad2231286798caaca9ed67d0a1e64 [INFO] checking cadecolvin/chip8-emu against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadecolvin%2Fchip8-emu" "/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/cadecolvin/chip8-emu on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cadecolvin/chip8-emu [INFO] finished tweaking git repo https://github.com/cadecolvin/chip8-emu [INFO] tweaked toml for git repo https://github.com/cadecolvin/chip8-emu written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/cadecolvin/chip8-emu already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e5c7136e10b44fc5aea50365dd221b9c1f9170cbe79d9e3ed990ae2d2338220 [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" "6e5c7136e10b44fc5aea50365dd221b9c1f9170cbe79d9e3ed990ae2d2338220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e5c7136e10b44fc5aea50365dd221b9c1f9170cbe79d9e3ed990ae2d2338220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e5c7136e10b44fc5aea50365dd221b9c1f9170cbe79d9e3ed990ae2d2338220", kill_on_drop: false }` [INFO] [stdout] 6e5c7136e10b44fc5aea50365dd221b9c1f9170cbe79d9e3ed990ae2d2338220 [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f1703087e0df6f7d8dd9e209225abd563cce324d3258d70d9d0d12c8c289b07 [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" "9f1703087e0df6f7d8dd9e209225abd563cce324d3258d70d9d0d12c8c289b07", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking chip8-emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `chip8` [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let chip8 = Chip8::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `pixel_flipped` is assigned to, but never used [INFO] [stdout] --> src/chip8.rs:140:25 [INFO] [stdout] | [INFO] [stdout] 140 | let mut pixel_flipped = false; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_pixel_flipped` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_flipped` is never read [INFO] [stdout] --> src/chip8.rs:157:29 [INFO] [stdout] | [INFO] [stdout] 157 | ... pixel_flipped = true; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chip8` [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let chip8 = Chip8::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `pixel_flipped` is assigned to, but never used [INFO] [stdout] --> src/chip8.rs:140:25 [INFO] [stdout] | [INFO] [stdout] 140 | let mut pixel_flipped = false; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_pixel_flipped` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_flipped` is never read [INFO] [stdout] --> src/chip8.rs:157:29 [INFO] [stdout] | [INFO] [stdout] 157 | ... pixel_flipped = true; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | let mut sprite_idx = self.addr_register; [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: associated function is never used: `execute_cycle` [INFO] [stdout] --> src/chip8.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn execute_cycle(&mut self) { [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: `read_word` [INFO] [stdout] --> src/chip8.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_word(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `process_opcode` [INFO] [stdout] --> src/chip8.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn process_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | let mut sprite_idx = self.addr_register; [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: associated function is never used: `execute_cycle` [INFO] [stdout] --> src/chip8.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn execute_cycle(&mut self) { [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: `read_word` [INFO] [stdout] --> src/chip8.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_word(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `process_opcode` [INFO] [stdout] --> src/chip8.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn process_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.15s [INFO] running `Command { std: "docker" "inspect" "9f1703087e0df6f7d8dd9e209225abd563cce324d3258d70d9d0d12c8c289b07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f1703087e0df6f7d8dd9e209225abd563cce324d3258d70d9d0d12c8c289b07", kill_on_drop: false }` [INFO] [stdout] 9f1703087e0df6f7d8dd9e209225abd563cce324d3258d70d9d0d12c8c289b07