[INFO] fetching crate mmap_buffer 0.1.4... [INFO] checking mmap_buffer-0.1.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mmap_buffer 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mmap_buffer 0.1.4 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 mmap_buffer 0.1.4 [INFO] finished tweaking crates.io crate mmap_buffer 0.1.4 [INFO] tweaked toml for crates.io crate mmap_buffer 0.1.4 written to /workspace/builds/worker-7-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 27 packages to latest compatible versions [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding memmap2 v0.5.10 (latest: v0.9.4) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5097eb4ebae8f8c70b1c1f6b84f1650f256d4277db7bf49735196a7fcd39aa9b [INFO] running `Command { std: "docker" "start" "-a" "5097eb4ebae8f8c70b1c1f6b84f1650f256d4277db7bf49735196a7fcd39aa9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5097eb4ebae8f8c70b1c1f6b84f1650f256d4277db7bf49735196a7fcd39aa9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5097eb4ebae8f8c70b1c1f6b84f1650f256d4277db7bf49735196a7fcd39aa9b", kill_on_drop: false }` [INFO] [stdout] 5097eb4ebae8f8c70b1c1f6b84f1650f256d4277db7bf49735196a7fcd39aa9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b59c0002815c89107075ec60aece3d1eb5de5475083483dc0d2542896c326ace [INFO] running `Command { std: "docker" "start" "-a" "b59c0002815c89107075ec60aece3d1eb5de5475083483dc0d2542896c326ace", kill_on_drop: false }` [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking bytemuck v1.17.1 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking mmap_buffer v0.1.4 (/opt/rustwide/workdir) [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:54:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn new_on_disk(capacity: usize, path: impl AsRef) -> Result> { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | Ok(Self::Disk(BackedBuffer::new(capacity, path)?)) [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:64:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn load_from_disk(path: impl AsRef) -> Result> { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 64 | Ok(Self::Disk(BackedBuffer::load(path)?)) [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:75:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn from_slice_on_disk(data: &[T], path: impl AsRef) -> Result> { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 75 | Ok(Self::Disk(BackedBuffer::copy_from_slice(data, path)?)) [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:173:12 [INFO] [stdout] | [INFO] [stdout] 165 | unsafe fn from_file(file: File) -> Result> { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 170 | let mmap = unsafe { MmapOptions::new().populate().map_mut(&file)? }; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 173 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 174 | | mmap, [INFO] [stdout] 175 | | file: Some(file), [INFO] [stdout] 176 | | len, [INFO] [stdout] 177 | | _ph: PhantomData, [INFO] [stdout] 178 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mmap_buffer` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b59c0002815c89107075ec60aece3d1eb5de5475083483dc0d2542896c326ace", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b59c0002815c89107075ec60aece3d1eb5de5475083483dc0d2542896c326ace", kill_on_drop: false }` [INFO] [stdout] b59c0002815c89107075ec60aece3d1eb5de5475083483dc0d2542896c326ace