[INFO] fetching crate nand2tetris 0.0.1... [INFO] checking nand2tetris-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate nand2tetris 0.0.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate nand2tetris 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nand2tetris 0.0.1 [INFO] finished tweaking crates.io crate nand2tetris 0.0.1 [INFO] tweaked toml for crates.io crate nand2tetris 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate nand2tetris 0.0.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded version-compare v0.1.0 [INFO] [stderr] Downloaded sdl2 v0.35.1 [INFO] [stderr] Downloaded sdl2-sys v0.35.1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af52149746ae56420ee89aca6d7e962668ef88353d33c8b0f4402cfdaa3c020d [INFO] running `Command { std: "docker" "start" "-a" "af52149746ae56420ee89aca6d7e962668ef88353d33c8b0f4402cfdaa3c020d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af52149746ae56420ee89aca6d7e962668ef88353d33c8b0f4402cfdaa3c020d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af52149746ae56420ee89aca6d7e962668ef88353d33c8b0f4402cfdaa3c020d", kill_on_drop: false }` [INFO] [stdout] af52149746ae56420ee89aca6d7e962668ef88353d33c8b0f4402cfdaa3c020d [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c908ba79cb8e3f477003e374d33ed3c8a4296ce9647f78baf2e8beb47e36a8f [INFO] running `Command { std: "docker" "start" "-a" "9c908ba79cb8e3f477003e374d33ed3c8a4296ce9647f78baf2e8beb47e36a8f", kill_on_drop: false }` [INFO] [stderr] Compiling version-compare v0.1.0 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling sdl2 v0.35.1 [INFO] [stderr] Compiling sdl2-sys v0.35.1 [INFO] [stderr] Checking nand2tetris v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Keycode` [INFO] [stdout] --> src/main.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use sdl2::keyboard::{Keycode, Scancode, Mod}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:286:14 [INFO] [stdout] | [INFO] [stdout] 286 | for x in (0..256) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 286 - for x in (0..256) { [INFO] [stdout] 286 + for x in 0..256 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:326:18 [INFO] [stdout] | [INFO] [stdout] 326 | for x in (0..512) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 326 - for x in (0..512) { [INFO] [stdout] 326 + for x in 0..512 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:327:22 [INFO] [stdout] | [INFO] [stdout] 327 | for y in (0..256) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 327 - for y in (0..256) { [INFO] [stdout] 327 + for y in 0..256 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Keycode` [INFO] [stdout] --> src/main.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use sdl2::keyboard::{Keycode, Scancode, Mod}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:286:14 [INFO] [stdout] | [INFO] [stdout] 286 | for x in (0..256) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 286 - for x in (0..256) { [INFO] [stdout] 286 + for x in 0..256 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:326:18 [INFO] [stdout] | [INFO] [stdout] 326 | for x in (0..512) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 326 - for x in (0..512) { [INFO] [stdout] 326 + for x in 0..512 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:327:22 [INFO] [stdout] | [INFO] [stdout] 327 | for y in (0..256) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 327 - for y in (0..256) { [INFO] [stdout] 327 + for y in 0..256 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `YRegister` is never used [INFO] [stdout] --> src/main.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | enum YRegister { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Operator` is never used [INFO] [stdout] --> src/main.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum Operator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `InstructionType` is never used [INFO] [stdout] --> src/main.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | enum InstructionType { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `JumpCondition` is never used [INFO] [stdout] --> src/main.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum JumpCondition { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 41 | impl Instruction { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 42 | fn flag(&self, pos: i32) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn instruction_type(&self) -> InstructionType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn y_register(&self) -> YRegister { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn zero_x(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn negate_x(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn zero_y(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn negate_y(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn operator(&self) -> Operator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn negate_out(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn dst_has_a(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn dst_has_d(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn dst_has_m(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | fn loaded_value(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn jump_condition(&self) -> JumpCondition { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_true` is never used [INFO] [stdout] --> src/main.rs:122:8 [INFO] [stdout] | [INFO] [stdout] 121 | impl JumpCondition { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 122 | fn is_true(&self, value: u16) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 170 | impl Hardware { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 171 | fn m_mut(&mut self) -> &mut u16 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn current_instruction(&self) -> &Instruction { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | fn set(&mut self, instruction: Instruction, value: u16) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 195 | fn y_register_value(&self, y_register: YRegister) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 202 | fn compute(&self, instruction: Instruction) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 234 | fn step(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 253 | fn load_program>(&mut self, program: I) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 260 | fn run_program(&mut self, program_length: usize) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s [INFO] running `Command { std: "docker" "inspect" "9c908ba79cb8e3f477003e374d33ed3c8a4296ce9647f78baf2e8beb47e36a8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c908ba79cb8e3f477003e374d33ed3c8a4296ce9647f78baf2e8beb47e36a8f", kill_on_drop: false }` [INFO] [stdout] 9c908ba79cb8e3f477003e374d33ed3c8a4296ce9647f78baf2e8beb47e36a8f