[INFO] cloning repository https://github.com/leprekon91/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/leprekon91/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fdb9857d6deb9710819ff08c99426c1417cfc4e0 [INFO] building leprekon91/chip8-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leprekon91/chip8-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/leprekon91/chip8-rust [INFO] finished tweaking git repo https://github.com/leprekon91/chip8-rust [INFO] tweaked toml for git repo https://github.com/leprekon91/chip8-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/leprekon91/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c43f3e43187dfd5fd28b2e4bfafd61715829d0693c05b5a2710b95119294c78 [INFO] running `Command { std: "docker" "start" "-a" "5c43f3e43187dfd5fd28b2e4bfafd61715829d0693c05b5a2710b95119294c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c43f3e43187dfd5fd28b2e4bfafd61715829d0693c05b5a2710b95119294c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c43f3e43187dfd5fd28b2e4bfafd61715829d0693c05b5a2710b95119294c78", kill_on_drop: false }` [INFO] [stdout] 5c43f3e43187dfd5fd28b2e4bfafd61715829d0693c05b5a2710b95119294c78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd8021747d52b8f7d8958d8f9f0edfbaa492426b7881ffdf65028320cc5ffc19 [INFO] running `Command { std: "docker" "start" "-a" "cd8021747d52b8f7d8958d8f9f0edfbaa492426b7881ffdf65028320cc5ffc19", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling chip8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `outputState` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let outputState = cpu.cycle(keypad); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `display`, `display_changed`, and `beep` are never read [INFO] [stdout] --> src/cpu.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct OutputState { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 44 | display: [[u8; DISPLAY_WIDTH]; DISPLAY_HEIGHT], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 45 | display_changed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | beep: bool, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `load_program` is never used [INFO] [stdout] --> src/cpu.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn load_program(&mut self, program: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Display` is never constructed [INFO] [stdout] --> src/display.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/display.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Display { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 13 | pub fn new(width: usize, height: usize) -> Display { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn get_pixel(&self, x: usize, y: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn set_pixel(&mut self, x: usize, y: usize, value: u8) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn toggle_pixel(&mut self, x: usize, y: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn render(&self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `outputState` should have a snake case name [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let outputState = cpu.cycle(keypad); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `output_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s [INFO] running `Command { std: "docker" "inspect" "cd8021747d52b8f7d8958d8f9f0edfbaa492426b7881ffdf65028320cc5ffc19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd8021747d52b8f7d8958d8f9f0edfbaa492426b7881ffdf65028320cc5ffc19", kill_on_drop: false }` [INFO] [stdout] cd8021747d52b8f7d8958d8f9f0edfbaa492426b7881ffdf65028320cc5ffc19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36ced630a80f029f4a8a003e47bb6abf26e2573337b95bc468ad928c39670ba3 [INFO] running `Command { std: "docker" "start" "-a" "36ced630a80f029f4a8a003e47bb6abf26e2573337b95bc468ad928c39670ba3", kill_on_drop: false }` [INFO] [stderr] Compiling chip8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `outputState` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let outputState = cpu.cycle(keypad); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `display`, `display_changed`, and `beep` are never read [INFO] [stdout] --> src/cpu.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct OutputState { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 44 | display: [[u8; DISPLAY_WIDTH]; DISPLAY_HEIGHT], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 45 | display_changed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | beep: bool, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `load_program` is never used [INFO] [stdout] --> src/cpu.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn load_program(&mut self, program: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Display` is never constructed [INFO] [stdout] --> src/display.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/display.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Display { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 13 | pub fn new(width: usize, height: usize) -> Display { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn get_pixel(&self, x: usize, y: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn set_pixel(&mut self, x: usize, y: usize, value: u8) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn toggle_pixel(&mut self, x: usize, y: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn render(&self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `outputState` should have a snake case name [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let outputState = cpu.cycle(keypad); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `output_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "36ced630a80f029f4a8a003e47bb6abf26e2573337b95bc468ad928c39670ba3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36ced630a80f029f4a8a003e47bb6abf26e2573337b95bc468ad928c39670ba3", kill_on_drop: false }` [INFO] [stdout] 36ced630a80f029f4a8a003e47bb6abf26e2573337b95bc468ad928c39670ba3