[INFO] cloning repository https://github.com/OrangSquid/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/OrangSquid/CHIP-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrangSquid%2FCHIP-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrangSquid%2FCHIP-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 995092aee504f8acdfd60195aa9214e8e59a9786 [INFO] building OrangSquid/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%2FOrangSquid%2FCHIP-8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OrangSquid/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/OrangSquid/CHIP-8 [INFO] finished tweaking git repo https://github.com/OrangSquid/CHIP-8 [INFO] tweaked toml for git repo https://github.com/OrangSquid/CHIP-8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/OrangSquid/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] [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 005990f28d7a0d26a6bcdda43d32ae5e532f1b8d07a22a6b099e3846d8400516 [INFO] running `Command { std: "docker" "start" "-a" "005990f28d7a0d26a6bcdda43d32ae5e532f1b8d07a22a6b099e3846d8400516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "005990f28d7a0d26a6bcdda43d32ae5e532f1b8d07a22a6b099e3846d8400516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "005990f28d7a0d26a6bcdda43d32ae5e532f1b8d07a22a6b099e3846d8400516", kill_on_drop: false }` [INFO] [stdout] 005990f28d7a0d26a6bcdda43d32ae5e532f1b8d07a22a6b099e3846d8400516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 46be48ffbb90a2a4ed13cd441f390aa9a2d102eba168cdc1a33c5c34b26372dd [INFO] running `Command { std: "docker" "start" "-a" "46be48ffbb90a2a4ed13cd441f390aa9a2d102eba168cdc1a33c5c34b26372dd", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling sdl2 v0.35.2 [INFO] [stderr] Compiling sdl2-sys v0.35.2 [INFO] [stderr] Compiling chip_8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> src/main.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, env::{self}, thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use sdl2::pixels::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/cpu.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(mut canvas: Canvas) -> Cpu { [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: fields `delay_timer` and `stack` are never read [INFO] [stdout] --> src/cpu.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Cpu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 32 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 33 | registers: [u8; 16], [INFO] [stdout] 34 | stack: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ch8display.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | self.canvas.fill_rect(Rect::new(j as i32 * 5, i as i32 * 5, 5, 5)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = self.canvas.fill_rect(Rect::new(j as i32 * 5, i as i32 * 5, 5, 5)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s [INFO] running `Command { std: "docker" "inspect" "46be48ffbb90a2a4ed13cd441f390aa9a2d102eba168cdc1a33c5c34b26372dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46be48ffbb90a2a4ed13cd441f390aa9a2d102eba168cdc1a33c5c34b26372dd", kill_on_drop: false }` [INFO] [stdout] 46be48ffbb90a2a4ed13cd441f390aa9a2d102eba168cdc1a33c5c34b26372dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 254b81986c1cb2b8423160d0addad511dca6470c2736414c15697c449a4236f5 [INFO] running `Command { std: "docker" "start" "-a" "254b81986c1cb2b8423160d0addad511dca6470c2736414c15697c449a4236f5", kill_on_drop: false }` [INFO] [stderr] Compiling chip_8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> src/main.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, env::{self}, thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use sdl2::pixels::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/cpu.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(mut canvas: Canvas) -> Cpu { [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: fields `delay_timer` and `stack` are never read [INFO] [stdout] --> src/cpu.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Cpu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 32 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 33 | registers: [u8; 16], [INFO] [stdout] 34 | stack: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ch8display.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | self.canvas.fill_rect(Rect::new(j as i32 * 5, i as i32 * 5, 5, 5)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = self.canvas.fill_rect(Rect::new(j as i32 * 5, i as i32 * 5, 5, 5)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "254b81986c1cb2b8423160d0addad511dca6470c2736414c15697c449a4236f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "254b81986c1cb2b8423160d0addad511dca6470c2736414c15697c449a4236f5", kill_on_drop: false }` [INFO] [stdout] 254b81986c1cb2b8423160d0addad511dca6470c2736414c15697c449a4236f5