[INFO] cloning repository https://github.com/JGM01/chip_8_emulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JGM01/chip_8_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJGM01%2Fchip_8_emulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJGM01%2Fchip_8_emulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7c5974d6362e171d8baa1810686dd30e71c6f342 [INFO] building JGM01/chip_8_emulator 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%2FJGM01%2Fchip_8_emulator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JGM01/chip_8_emulator 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/JGM01/chip_8_emulator [INFO] finished tweaking git repo https://github.com/JGM01/chip_8_emulator [INFO] tweaked toml for git repo https://github.com/JGM01/chip_8_emulator written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JGM01/chip_8_emulator 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xkbcommon-sys v0.7.5 [INFO] [stderr] Downloaded unidiff v0.3.3 [INFO] [stderr] Downloaded xkb v0.2.1 [INFO] [stderr] Downloaded minifb v0.20.0 [INFO] [stderr] Downloaded sdl2 v0.34.5 [INFO] [stderr] Downloaded sdl2-sys v0.34.5 [INFO] [stderr] Downloaded libc v0.2.117 [INFO] [stderr] Downloaded orbclient v0.3.31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 10887495725d9d3bbf7fb91c64878c2c48526bb463feda604539b1502c1eef09 [INFO] running `Command { std: "docker" "start" "-a" "10887495725d9d3bbf7fb91c64878c2c48526bb463feda604539b1502c1eef09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10887495725d9d3bbf7fb91c64878c2c48526bb463feda604539b1502c1eef09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10887495725d9d3bbf7fb91c64878c2c48526bb463feda604539b1502c1eef09", kill_on_drop: false }` [INFO] [stdout] 10887495725d9d3bbf7fb91c64878c2c48526bb463feda604539b1502c1eef09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b9e8ba3b84a8271f0decbe979b5f6eeab59fbb94dc6066691bad45467cc4f2b2 [INFO] running `Command { std: "docker" "start" "-a" "b9e8ba3b84a8271f0decbe979b5f6eeab59fbb94dc6066691bad45467cc4f2b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling clang-sys v1.3.1 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling x11-dl v2.19.1 [INFO] [stderr] Compiling cty v0.2.2 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling raw-window-handle v0.4.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling minifb v0.20.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling wayland-commons v0.28.6 [INFO] [stderr] Compiling xcursor v0.3.4 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling raw-window-handle v0.3.4 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling wayland-cursor v0.28.6 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Compiling xkb v0.2.1 [INFO] [stderr] Compiling chip_8_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut last_display_time = Instant::now(); [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: field `rng` is never read [INFO] [stdout] --> src/cpu.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CPU { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | rng: rand::rngs::ThreadRng, [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/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | file.read_to_end(&mut data); [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] 47 | let _ = file.read_to_end(&mut data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `WIDTH` should have a snake case name [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let WIDTH = 640; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `HEIGHT` should have a snake case name [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let HEIGHT = 320; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ROM` should have a snake case name [INFO] [stdout] --> src/chip8.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn load_rom(&mut self, ROM: &Vec) { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `rom` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.07s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b9e8ba3b84a8271f0decbe979b5f6eeab59fbb94dc6066691bad45467cc4f2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e8ba3b84a8271f0decbe979b5f6eeab59fbb94dc6066691bad45467cc4f2b2", kill_on_drop: false }` [INFO] [stdout] b9e8ba3b84a8271f0decbe979b5f6eeab59fbb94dc6066691bad45467cc4f2b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d396c5028a7ded0b7bc5e02077f32b916f9f3ab225e817b9cada87619d83cbd8 [INFO] running `Command { std: "docker" "start" "-a" "d396c5028a7ded0b7bc5e02077f32b916f9f3ab225e817b9cada87619d83cbd8", kill_on_drop: false }` [INFO] [stderr] Compiling chip_8_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut last_display_time = Instant::now(); [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: field `rng` is never read [INFO] [stdout] --> src/cpu.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CPU { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | rng: rand::rngs::ThreadRng, [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/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | file.read_to_end(&mut data); [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] 47 | let _ = file.read_to_end(&mut data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `WIDTH` should have a snake case name [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let WIDTH = 640; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `HEIGHT` should have a snake case name [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let HEIGHT = 320; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ROM` should have a snake case name [INFO] [stdout] --> src/chip8.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn load_rom(&mut self, ROM: &Vec) { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `rom` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d396c5028a7ded0b7bc5e02077f32b916f9f3ab225e817b9cada87619d83cbd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d396c5028a7ded0b7bc5e02077f32b916f9f3ab225e817b9cada87619d83cbd8", kill_on_drop: false }` [INFO] [stdout] d396c5028a7ded0b7bc5e02077f32b916f9f3ab225e817b9cada87619d83cbd8