[INFO] fetching crate serial_test_derive 3.1.1... [INFO] checking serial_test_derive-3.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate serial_test_derive 3.1.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate serial_test_derive 3.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serial_test_derive 3.1.1 [INFO] finished tweaking crates.io crate serial_test_derive 3.1.1 [INFO] tweaked toml for crates.io crate serial_test_derive 3.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.10.2 (available: v0.11.5) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0eed9d553d48584856cde153b02eb3eaa0741cb6cccdf879fd65d7d369d1651f [INFO] running `Command { std: "docker" "start" "-a" "0eed9d553d48584856cde153b02eb3eaa0741cb6cccdf879fd65d7d369d1651f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0eed9d553d48584856cde153b02eb3eaa0741cb6cccdf879fd65d7d369d1651f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eed9d553d48584856cde153b02eb3eaa0741cb6cccdf879fd65d7d369d1651f", kill_on_drop: false }` [INFO] [stdout] 0eed9d553d48584856cde153b02eb3eaa0741cb6cccdf879fd65d7d369d1651f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ea6e94ac94a6abe0bb7feeb450bb17a8bdcc37d42e087cca3a6c3b66078fb59 [INFO] running `Command { std: "docker" "start" "-a" "4ea6e94ac94a6abe0bb7feeb450bb17a8bdcc37d42e087cca3a6c3b66078fb59", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking prettyplease v0.2.22 [INFO] [stderr] Checking serial_test_derive v3.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `proc_macro2::Ident` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:407:21 [INFO] [stdout] | [INFO] [stdout] 376 | ast: syn::ItemFn, [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 385 | let vis = ast.vis; [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 386 | let name = ast.sig.ident; [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 395 | let print_name = quote! {}; [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 400 | let block = ast.block; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 401 | let attrs: Vec = ast.attrs.into_iter().collect(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 407 | let fnname = format_ident!("{}_async_{}_core_with_return", prefix, kind); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 408 | let temp_fn = format_ident!("_{}_internal", name); [INFO] [stdout] 409 | / quote! { [INFO] [stdout] 410 | | #(#attrs) [INFO] [stdout] 411 | | * [INFO] [stdout] 412 | | #vis async fn #name () -> #ret { [INFO] [stdout] ... | [INFO] [stdout] 418 | | } [INFO] [stdout] 419 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 423 | / quote! { [INFO] [stdout] 424 | | #(#attrs) [INFO] [stdout] 425 | | * [INFO] [stdout] 426 | | #vis fn #name () -> #ret { [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 438 | / quote! { [INFO] [stdout] 439 | | #(#attrs) [INFO] [stdout] 440 | | * [INFO] [stdout] 441 | | #vis async fn #name () { [INFO] [stdout] ... | [INFO] [stdout] 447 | | } [INFO] [stdout] 448 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 452 | / quote! { [INFO] [stdout] 453 | | #(#attrs) [INFO] [stdout] 454 | | * [INFO] [stdout] 455 | | #vis fn #name () { [INFO] [stdout] ... | [INFO] [stdout] 458 | | } [INFO] [stdout] 459 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may 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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serial_test_derive` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4ea6e94ac94a6abe0bb7feeb450bb17a8bdcc37d42e087cca3a6c3b66078fb59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ea6e94ac94a6abe0bb7feeb450bb17a8bdcc37d42e087cca3a6c3b66078fb59", kill_on_drop: false }` [INFO] [stdout] 4ea6e94ac94a6abe0bb7feeb450bb17a8bdcc37d42e087cca3a6c3b66078fb59