[INFO] cloning repository https://github.com/KnittelK/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/KnittelK/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnittelK%2Fchip-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnittelK%2Fchip-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 807b1a6520b9d5baaef1bbbcfc63c7b98ff54706 [INFO] building KnittelK/chip-8 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%2FKnittelK%2Fchip-8" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KnittelK/chip-8 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/KnittelK/chip-8 [INFO] finished tweaking git repo https://github.com/KnittelK/chip-8 [INFO] tweaked toml for git repo https://github.com/KnittelK/chip-8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KnittelK/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 44fd8d11b1a8fa527650592bdfe39f213155c8747907afb31850b0445b67b230 [INFO] running `Command { std: "docker" "start" "-a" "44fd8d11b1a8fa527650592bdfe39f213155c8747907afb31850b0445b67b230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44fd8d11b1a8fa527650592bdfe39f213155c8747907afb31850b0445b67b230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44fd8d11b1a8fa527650592bdfe39f213155c8747907afb31850b0445b67b230", kill_on_drop: false }` [INFO] [stdout] 44fd8d11b1a8fa527650592bdfe39f213155c8747907afb31850b0445b67b230 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 11b439be2a11b7e526c3e19de7bb42df80471ab97dddb6e7a7cc01e0627ed009 [INFO] running `Command { std: "docker" "start" "-a" "11b439be2a11b7e526c3e19de7bb42df80471ab97dddb6e7a7cc01e0627ed009", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling getrandom v0.2.11 [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 chip_8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `how_many_ones` is never used [INFO] [stdout] --> src/screen.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Screen { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn how_many_ones(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mapping` is never read [INFO] [stdout] --> src/keyboard.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Keypad { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 38 | mapping: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `keypress` and `any_key_pressed` are never used [INFO] [stdout] --> src/keyboard.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl Keypad { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn keypress(&mut self, key: u8) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn any_key_pressed(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `execute_single_instruction` and `subn` are never used [INFO] [stdout] --> src/cpu.rs:372:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl Chip8 { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 372 | fn execute_single_instruction(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 424 | fn subn(&mut self, x: usize, y: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "11b439be2a11b7e526c3e19de7bb42df80471ab97dddb6e7a7cc01e0627ed009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11b439be2a11b7e526c3e19de7bb42df80471ab97dddb6e7a7cc01e0627ed009", kill_on_drop: false }` [INFO] [stdout] 11b439be2a11b7e526c3e19de7bb42df80471ab97dddb6e7a7cc01e0627ed009 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d0627f96f2eb7436ac8dacd244097dc5f8636e62db54b7393ef8847096a374b1 [INFO] running `Command { std: "docker" "start" "-a" "d0627f96f2eb7436ac8dacd244097dc5f8636e62db54b7393ef8847096a374b1", kill_on_drop: false }` [INFO] [stderr] Compiling chip_8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/cpu.rs:1287:23 [INFO] [stdout] | [INFO] [stdout] 1287 | let first_i = (LOWER_MEMORY_BOUNDARY + 4); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1287 - let first_i = (LOWER_MEMORY_BOUNDARY + 4); [INFO] [stdout] 1287 + let first_i = LOWER_MEMORY_BOUNDARY + 4; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/cpu.rs:934:13 [INFO] [stdout] | [INFO] [stdout] 934 | let height = 5; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start_pixel` [INFO] [stdout] --> src/cpu.rs:958:13 [INFO] [stdout] | [INFO] [stdout] 958 | let start_pixel = (y_coord * 64) + x_coord; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pixel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end_pixel` [INFO] [stdout] --> src/cpu.rs:997:13 [INFO] [stdout] | [INFO] [stdout] 997 | let end_pixel = start_pixel + (64 * height); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_pixel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mapping` is never read [INFO] [stdout] --> src/keyboard.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Keypad { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 38 | mapping: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `subn` is never used [INFO] [stdout] --> src/cpu.rs:424:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 424 | fn subn(&mut self, x: usize, y: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "d0627f96f2eb7436ac8dacd244097dc5f8636e62db54b7393ef8847096a374b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0627f96f2eb7436ac8dacd244097dc5f8636e62db54b7393ef8847096a374b1", kill_on_drop: false }` [INFO] [stdout] d0627f96f2eb7436ac8dacd244097dc5f8636e62db54b7393ef8847096a374b1