[INFO] fetching crate wolfram-library-link-macros 0.2.10... [INFO] checking wolfram-library-link-macros-0.2.10 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate wolfram-library-link-macros 0.2.10 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate wolfram-library-link-macros 0.2.10 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 wolfram-library-link-macros 0.2.10 [INFO] finished tweaking crates.io crate wolfram-library-link-macros 0.2.10 [INFO] tweaked toml for crates.io crate wolfram-library-link-macros 0.2.10 written to /workspace/builds/worker-2-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 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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] [stderr] Blocking waiting for file lock on package cache [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] f63fd3d51ce6271c278bc4223b1c2def8fdf007410c6f2a4fc33e6cc10a16777 [INFO] running `Command { std: "docker" "start" "-a" "f63fd3d51ce6271c278bc4223b1c2def8fdf007410c6f2a4fc33e6cc10a16777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f63fd3d51ce6271c278bc4223b1c2def8fdf007410c6f2a4fc33e6cc10a16777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f63fd3d51ce6271c278bc4223b1c2def8fdf007410c6f2a4fc33e6cc10a16777", kill_on_drop: false }` [INFO] [stdout] f63fd3d51ce6271c278bc4223b1c2def8fdf007410c6f2a4fc33e6cc10a16777 [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] 7aa5da5812997b0542752c6ed7da6d75d79dcde3143345c0a9c2f12701d65349 [INFO] running `Command { std: "docker" "start" "-a" "7aa5da5812997b0542752c6ed7da6d75d79dcde3143345c0a9c2f12701d65349", kill_on_drop: false }` [INFO] [stderr] Checking wolfram-library-link-macros v0.2.10 (/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:19:11 [INFO] [stdout] | [INFO] [stdout] 16 | attr: proc_macro::TokenStream, [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 17 | item: proc_macro::TokenStream, [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | ) -> proc_macro::TokenStream { [INFO] [stdout] 19 | match init_(attr.into(), item) { [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:19:11 [INFO] [stdout] | [INFO] [stdout] 16 | attr: proc_macro::TokenStream, [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 17 | item: proc_macro::TokenStream, [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | ) -> proc_macro::TokenStream { [INFO] [stdout] 19 | match init_(attr.into(), item) { [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:109:11 [INFO] [stdout] | [INFO] [stdout] 104 | attrs: proc_macro::TokenStream, [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 105 | item: proc_macro::TokenStream, [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 106 | ) -> proc_macro::TokenStream { [INFO] [stdout] 107 | let attrs: syn::AttributeArgs = syn::parse_macro_input!(attrs); [INFO] [stdout] | ----- ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 108 | [INFO] [stdout] 109 | match self::export::export(attrs, item) { [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/export.rs:369:8 [INFO] [stdout] | [INFO] [stdout] 289 | fn parse_export_attribute_args(attrs: syn::AttributeArgs) -> Result { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 292 | let mut exported_name: Option = None; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 369 | Ok(ExportArgs { [INFO] [stdout] | ________^ [INFO] [stdout] 370 | | use_wstp, [INFO] [stdout] 371 | | exported_name, [INFO] [stdout] 372 | | hidden, [INFO] [stdout] 373 | | }) [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] [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:109:11 [INFO] [stdout] | [INFO] [stdout] 104 | attrs: proc_macro::TokenStream, [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 105 | item: proc_macro::TokenStream, [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 106 | ) -> proc_macro::TokenStream { [INFO] [stdout] 107 | let attrs: syn::AttributeArgs = syn::parse_macro_input!(attrs); [INFO] [stdout] | ----- ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 108 | [INFO] [stdout] 109 | match self::export::export(attrs, item) { [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/export.rs:369:8 [INFO] [stdout] | [INFO] [stdout] 289 | fn parse_export_attribute_args(attrs: syn::AttributeArgs) -> Result { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 292 | let mut exported_name: Option = None; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 369 | Ok(ExportArgs { [INFO] [stdout] | ________^ [INFO] [stdout] 370 | | use_wstp, [INFO] [stdout] 371 | | exported_name, [INFO] [stdout] 372 | | hidden, [INFO] [stdout] 373 | | }) [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 `wolfram-library-link-macros` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `wolfram-library-link-macros` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "7aa5da5812997b0542752c6ed7da6d75d79dcde3143345c0a9c2f12701d65349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7aa5da5812997b0542752c6ed7da6d75d79dcde3143345c0a9c2f12701d65349", kill_on_drop: false }` [INFO] [stdout] 7aa5da5812997b0542752c6ed7da6d75d79dcde3143345c0a9c2f12701d65349