[INFO] fetching crate source-demo-tool-impl-proc-macros 0.4.2... [INFO] checking source-demo-tool-impl-proc-macros-0.4.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate source-demo-tool-impl-proc-macros 0.4.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate source-demo-tool-impl-proc-macros 0.4.2 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 source-demo-tool-impl-proc-macros 0.4.2 [INFO] finished tweaking crates.io crate source-demo-tool-impl-proc-macros 0.4.2 [INFO] tweaked toml for crates.io crate source-demo-tool-impl-proc-macros 0.4.2 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [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] 075bf5b1701c5398b266d9aa6aaee28a1dd7c53ba450f14c54ebbfd1068591d8 [INFO] running `Command { std: "docker" "start" "-a" "075bf5b1701c5398b266d9aa6aaee28a1dd7c53ba450f14c54ebbfd1068591d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "075bf5b1701c5398b266d9aa6aaee28a1dd7c53ba450f14c54ebbfd1068591d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "075bf5b1701c5398b266d9aa6aaee28a1dd7c53ba450f14c54ebbfd1068591d8", kill_on_drop: false }` [INFO] [stdout] 075bf5b1701c5398b266d9aa6aaee28a1dd7c53ba450f14c54ebbfd1068591d8 [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] 94e6b0426f2ba8055d998404e11b47b2897c97d24687a365c5acaa7c44d76825 [INFO] running `Command { std: "docker" "start" "-a" "94e6b0426f2ba8055d998404e11b47b2897c97d24687a365c5acaa7c44d76825", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking source-demo-tool-impl-proc-macros v0.4.2 (/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/declare_protobuf_messages_impl.rs:717:12 [INFO] [stdout] | [INFO] [stdout] 705 | let name: Ident = input.parse()?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 709 | let messages; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 710 | let _ = braced!(messages in input); [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 711 | let messages = messages [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 717 | Ok(MessagesContainer { name, messages }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/declare_protobuf_messages_impl.rs:749:12 [INFO] [stdout] | [INFO] [stdout] 736 | let name: Ident = input.parse()?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 737 | let _ : Token![=] = input.parse()?; [INFO] [stdout] 738 | let id: LitInt = input.parse()?; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 741 | let fields; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 742 | let _ = braced!(fields in input); [INFO] [stdout] | ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 749 | Ok(Message { name, fields, id }) [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] = 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/event_impl.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn event(tokens: 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] 10 | let parse_data = parse_macro_input!(tokens as EventParseData); [INFO] [stdout] 11 | gen_event_struct(&parse_data).into() [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/declare_protobuf_messages_impl.rs:717:12 [INFO] [stdout] | [INFO] [stdout] 705 | let name: Ident = input.parse()?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 709 | let messages; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 710 | let _ = braced!(messages in input); [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 711 | let messages = messages [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 717 | Ok(MessagesContainer { name, messages }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/declare_protobuf_messages_impl.rs:749:12 [INFO] [stdout] | [INFO] [stdout] 736 | let name: Ident = input.parse()?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 737 | let _ : Token![=] = input.parse()?; [INFO] [stdout] 738 | let id: LitInt = input.parse()?; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 741 | let fields; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 742 | let _ = braced!(fields in input); [INFO] [stdout] | ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 749 | Ok(Message { name, fields, id }) [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] = 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/event_impl.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn event(tokens: 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] 10 | let parse_data = parse_macro_input!(tokens as EventParseData); [INFO] [stdout] 11 | gen_event_struct(&parse_data).into() [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] [stderr] error: could not compile `source-demo-tool-impl-proc-macros` (lib test) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `source-demo-tool-impl-proc-macros` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "94e6b0426f2ba8055d998404e11b47b2897c97d24687a365c5acaa7c44d76825", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94e6b0426f2ba8055d998404e11b47b2897c97d24687a365c5acaa7c44d76825", kill_on_drop: false }` [INFO] [stdout] 94e6b0426f2ba8055d998404e11b47b2897c97d24687a365c5acaa7c44d76825