[INFO] fetching crate async-ffi 0.5.0... [INFO] checking async-ffi-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-ffi 0.5.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate async-ffi 0.5.0 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 async-ffi 0.5.0 [INFO] finished tweaking crates.io crate async-ffi 0.5.0 [INFO] tweaked toml for crates.io crate async-ffi 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 62 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding libloading v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding tokio v1.29.1 (latest: v1.40.0) [INFO] [stderr] Adding tokio-macros v2.1.0 (latest: v2.4.0) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f28a202e39a47fd25353bd9190df660cc0ba8b181d95c8efb2f2a94a9234223e [INFO] running `Command { std: "docker" "start" "-a" "f28a202e39a47fd25353bd9190df660cc0ba8b181d95c8efb2f2a94a9234223e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f28a202e39a47fd25353bd9190df660cc0ba8b181d95c8efb2f2a94a9234223e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f28a202e39a47fd25353bd9190df660cc0ba8b181d95c8efb2f2a94a9234223e", kill_on_drop: false }` [INFO] [stdout] f28a202e39a47fd25353bd9190df660cc0ba8b181d95c8efb2f2a94a9234223e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f5d76a4ba82d779a08b80909539fa8511413472d01496a974dcb3e23c56b6a6c [INFO] running `Command { std: "docker" "start" "-a" "f5d76a4ba82d779a08b80909539fa8511413472d01496a974dcb3e23c56b6a6c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking async-ffi v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling syn v2.0.77 [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/lib.rs:270:35 [INFO] [stdout] | [INFO] [stdout] 269 | let waker: Waker = (*(*data).waker.owned).clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 270 | Box::into_raw(Box::new(FfiWaker { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 271 | | base: FfiWakerBase { [INFO] [stdout] 272 | | vtable: &C_WAKER_VTABLE_OWNED, [INFO] [stdout] 273 | | }, [INFO] [stdout] ... | [INFO] [stdout] 276 | | }, [INFO] [stdout] 277 | | })) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:316:35 [INFO] [stdout] | [INFO] [stdout] 315 | let waker: Waker = (*(*data).waker.reference).clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 316 | Box::into_raw(Box::new(FfiWaker { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 317 | | base: FfiWakerBase { [INFO] [stdout] 318 | | vtable: &C_WAKER_VTABLE_OWNED, [INFO] [stdout] 319 | | }, [INFO] [stdout] ... | [INFO] [stdout] 322 | | }, [INFO] [stdout] 323 | | })) [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/lib.rs:488:14 [INFO] [stdout] | [INFO] [stdout] 487 | pub fn new + Send + 'a>(fut: F) -> Self { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 488 | Self(LocalBorrowingFfiFuture::new(fut)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-ffi` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f5d76a4ba82d779a08b80909539fa8511413472d01496a974dcb3e23c56b6a6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5d76a4ba82d779a08b80909539fa8511413472d01496a974dcb3e23c56b6a6c", kill_on_drop: false }` [INFO] [stdout] f5d76a4ba82d779a08b80909539fa8511413472d01496a974dcb3e23c56b6a6c