[INFO] cloning repository https://github.com/05st/chip8-emulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/05st/chip8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F05st%2Fchip8-emulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F05st%2Fchip8-emulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 561e982f9125df269c371622f94ebb245813347d [INFO] checking 05st/chip8-emulator/561e982f9125df269c371622f94ebb245813347d against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F05st%2Fchip8-emulator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/05st/chip8-emulator on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/05st/chip8-emulator [INFO] finished tweaking git repo https://github.com/05st/chip8-emulator [INFO] tweaked toml for git repo https://github.com/05st/chip8-emulator written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/05st/chip8-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85ebec2bfef53280c055989381f13119d926167a4a31606bf7faec5020caf2e2 [INFO] running `Command { std: "docker" "start" "-a" "85ebec2bfef53280c055989381f13119d926167a4a31606bf7faec5020caf2e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85ebec2bfef53280c055989381f13119d926167a4a31606bf7faec5020caf2e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85ebec2bfef53280c055989381f13119d926167a4a31606bf7faec5020caf2e2", kill_on_drop: false }` [INFO] [stdout] 85ebec2bfef53280c055989381f13119d926167a4a31606bf7faec5020caf2e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a25e6d4c1da5afcebcbd738957af572ae37afa98b0179dab7422a3efe5c1e43 [INFO] running `Command { std: "docker" "start" "-a" "9a25e6d4c1da5afcebcbd738957af572ae37afa98b0179dab7422a3efe5c1e43", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling sdl2 v0.33.0 [INFO] [stderr] Compiling sdl2-sys v0.33.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `chip8` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let chip8: Cpu = Cpu::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `display` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let display: Display = Display::new(_sdl); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `data`, `draw`, and `window` are never read [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | data: [u8; 64 * 32], [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | draw: bool, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | window: sdl2::video::Window, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cpu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 4 | memory: [u8; 4096], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | v: [u8; 16], [INFO] [stdout] | ^ [INFO] [stdout] 6 | i: u16, [INFO] [stdout] | ^ [INFO] [stdout] 7 | stack: [u16; 16], [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | stack_pointer: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 9 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | pc: usize, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cycle` is never used [INFO] [stdout] --> src/cpu.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn cycle(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(_sdl: sdl2::Sdl) -> Display { [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 14 | [INFO] [stdout] 15 | let video_subsystem = _sdl.video().unwrap(); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | window: video_subsystem.window("CHIP-8 Emulator", 1280, 720).build().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chip8-emulator` (bin "chip8-emulator" test) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `chip8` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let chip8: Cpu = Cpu::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `display` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let display: Display = Display::new(_sdl); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `data`, `draw`, and `window` are never read [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | data: [u8; 64 * 32], [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | draw: bool, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | window: sdl2::video::Window, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/cpu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cpu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 4 | memory: [u8; 4096], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | v: [u8; 16], [INFO] [stdout] | ^ [INFO] [stdout] 6 | i: u16, [INFO] [stdout] | ^ [INFO] [stdout] 7 | stack: [u16; 16], [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | stack_pointer: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 9 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | pc: usize, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cycle` is never used [INFO] [stdout] --> src/cpu.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn cycle(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(_sdl: sdl2::Sdl) -> Display { [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 14 | [INFO] [stdout] 15 | let video_subsystem = _sdl.video().unwrap(); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | window: video_subsystem.window("CHIP-8 Emulator", 1280, 720).build().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chip8-emulator` (bin "chip8-emulator") due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9a25e6d4c1da5afcebcbd738957af572ae37afa98b0179dab7422a3efe5c1e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a25e6d4c1da5afcebcbd738957af572ae37afa98b0179dab7422a3efe5c1e43", kill_on_drop: false }` [INFO] [stdout] 9a25e6d4c1da5afcebcbd738957af572ae37afa98b0179dab7422a3efe5c1e43