[INFO] fetching crate winex 0.1.0... [INFO] checking winex-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate winex 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate winex 0.1.0 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 crates.io crate winex 0.1.0 [INFO] finished tweaking crates.io crate winex 0.1.0 [INFO] tweaked toml for crates.io crate winex 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate winex 0.1.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 79765127c602bb20c580ff6a00c20ccbd0ae4dccbbf3cd2216e1f404d123f536 [INFO] running `Command { std: "docker" "start" "-a" "79765127c602bb20c580ff6a00c20ccbd0ae4dccbbf3cd2216e1f404d123f536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79765127c602bb20c580ff6a00c20ccbd0ae4dccbbf3cd2216e1f404d123f536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79765127c602bb20c580ff6a00c20ccbd0ae4dccbbf3cd2216e1f404d123f536", kill_on_drop: false }` [INFO] [stdout] 79765127c602bb20c580ff6a00c20ccbd0ae4dccbbf3cd2216e1f404d123f536 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 255af6c6f41cca9632da9de20884946b440ab2db6152238657a9332a22eaee9c [INFO] running `Command { std: "docker" "start" "-a" "255af6c6f41cca9632da9de20884946b440ab2db6152238657a9332a22eaee9c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Checking libloading v0.7.2 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling winit v0.26.1 [INFO] [stderr] Checking dlib v0.5.0 [INFO] [stderr] Checking raw-window-handle v0.4.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling wayland-sys v0.29.3 [INFO] [stderr] Compiling x11-dl v2.19.1 [INFO] [stderr] Compiling smithay-client-toolkit v0.15.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling wayland-scanner v0.29.3 [INFO] [stderr] Checking nix v0.22.0 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking xcursor v0.3.4 [INFO] [stderr] Compiling wayland-client v0.29.3 [INFO] [stderr] Compiling wayland-protocols v0.29.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking winex v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking wayland-commons v0.29.3 [INFO] [stderr] Checking calloop v0.9.3 [INFO] [stdout] warning: unused import: `crate::platform` [INFO] [stdout] --> src/blur.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::platform; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/blur.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn set_blur(window: &H, kind: Blur) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kind` [INFO] [stdout] --> src/blur.rs:6:52 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn set_blur(window: &H, kind: Blur) -> Result<(), Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking wayland-cursor v0.29.3 [INFO] [stdout] warning: unused import: `crate::platform` [INFO] [stdout] --> src/blur.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::platform; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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] --> examples/simple-blur.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 2 | let event_loop = winit::event_loop::EventLoop::new(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 3 | let window = winit::window::WindowBuilder::new() [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 12 | event_loop.run(move |event, _, flow| { [INFO] [stdout] | ____________________^ [INFO] [stdout] 13 | | *flow = winit::event_loop::ControlFlow::Poll; [INFO] [stdout] 14 | | match event { [INFO] [stdout] 15 | | winit::event::Event::WindowEvent { window_id, event } [INFO] [stdout] ... | [INFO] [stdout] 23 | | } [INFO] [stdout] 24 | | }) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `winex` (example "simple-blur") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/blur.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn set_blur(window: &H, kind: Blur) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kind` [INFO] [stdout] --> src/blur.rs:6:52 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn set_blur(window: &H, kind: Blur) -> Result<(), Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "255af6c6f41cca9632da9de20884946b440ab2db6152238657a9332a22eaee9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "255af6c6f41cca9632da9de20884946b440ab2db6152238657a9332a22eaee9c", kill_on_drop: false }` [INFO] [stdout] 255af6c6f41cca9632da9de20884946b440ab2db6152238657a9332a22eaee9c