[INFO] fetching crate introspect-proc-macros 0.1.0... [INFO] checking introspect-proc-macros-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate introspect-proc-macros 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate introspect-proc-macros 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 introspect-proc-macros 0.1.0 [INFO] finished tweaking crates.io crate introspect-proc-macros 0.1.0 [INFO] tweaked toml for crates.io crate introspect-proc-macros 0.1.0 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 6 packages to latest compatible versions [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] 8fb5d1ae0eacb920bbe459f462c332083c59d2598b2d30b0ff57591b991d6f7d [INFO] running `Command { std: "docker" "start" "-a" "8fb5d1ae0eacb920bbe459f462c332083c59d2598b2d30b0ff57591b991d6f7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fb5d1ae0eacb920bbe459f462c332083c59d2598b2d30b0ff57591b991d6f7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fb5d1ae0eacb920bbe459f462c332083c59d2598b2d30b0ff57591b991d6f7d", kill_on_drop: false }` [INFO] [stdout] 8fb5d1ae0eacb920bbe459f462c332083c59d2598b2d30b0ff57591b991d6f7d [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] 2ff3021df4779ed93fe02603776e1d3383b98fdf7b2efb4e3a694c5748dfd1ec [INFO] running `Command { std: "docker" "start" "-a" "2ff3021df4779ed93fe02603776e1d3383b98fdf7b2efb4e3a694c5748dfd1ec", kill_on_drop: false }` [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking introspect-core v0.1.1 [INFO] [stderr] Checking introspect-proc-macros v0.1.0 (/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:25:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn introspect(stream: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | let item = syn::parse_macro_input!(stream as Item); [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] 24 | [INFO] [stdout] 25 | / match item { [INFO] [stdout] 26 | | Item::Enum(enum_) => parse_item_enum(enum_), [INFO] [stdout] 27 | | Item::Struct(struct_) => parse_item_struct(struct_), [INFO] [stdout] 28 | | _ => { [INFO] [stdout] ... | [INFO] [stdout] 32 | | } [INFO] [stdout] 33 | | } [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:51:28 [INFO] [stdout] | [INFO] [stdout] 51 | .map(|field| match Variant::try_from(field) { [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:99:28 [INFO] [stdout] | [INFO] [stdout] 99 | .map(|field| match Field::try_from(field) { [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 `introspect-proc-macros` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:25:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn introspect(stream: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | let item = syn::parse_macro_input!(stream as Item); [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] 24 | [INFO] [stdout] 25 | / match item { [INFO] [stdout] 26 | | Item::Enum(enum_) => parse_item_enum(enum_), [INFO] [stdout] 27 | | Item::Struct(struct_) => parse_item_struct(struct_), [INFO] [stdout] 28 | | _ => { [INFO] [stdout] ... | [INFO] [stdout] 32 | | } [INFO] [stdout] 33 | | } [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:51:28 [INFO] [stdout] | [INFO] [stdout] 51 | .map(|field| match Variant::try_from(field) { [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:99:28 [INFO] [stdout] | [INFO] [stdout] 99 | .map(|field| match Field::try_from(field) { [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 `introspect-proc-macros` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "2ff3021df4779ed93fe02603776e1d3383b98fdf7b2efb4e3a694c5748dfd1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ff3021df4779ed93fe02603776e1d3383b98fdf7b2efb4e3a694c5748dfd1ec", kill_on_drop: false }` [INFO] [stdout] 2ff3021df4779ed93fe02603776e1d3383b98fdf7b2efb4e3a694c5748dfd1ec