[INFO] fetching crate union_impl 0.1.3... [INFO] checking union_impl-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate union_impl 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate union_impl 0.1.3 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 union_impl 0.1.3 [INFO] finished tweaking crates.io crate union_impl 0.1.3 [INFO] tweaked toml for crates.io crate union_impl 0.1.3 written to /workspace/builds/worker-0-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] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 706a388b574f5fff542a9ec39428008653cfacc9aa921d7885720b083276f077 [INFO] running `Command { std: "docker" "start" "-a" "706a388b574f5fff542a9ec39428008653cfacc9aa921d7885720b083276f077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "706a388b574f5fff542a9ec39428008653cfacc9aa921d7885720b083276f077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "706a388b574f5fff542a9ec39428008653cfacc9aa921d7885720b083276f077", kill_on_drop: false }` [INFO] [stdout] 706a388b574f5fff542a9ec39428008653cfacc9aa921d7885720b083276f077 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a7a60a5619e797bd13d26d41d1ad1b84700b8265585d3fd157649312e5796b43 [INFO] running `Command { std: "docker" "start" "-a" "a7a60a5619e797bd13d26d41d1ad1b84700b8265585d3fd157649312e5796b43", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking union_impl v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/union/mod.rs:497:21 [INFO] [stdout] | [INFO] [stdout] 487 | / quote! { [INFO] [stdout] 488 | | let __handler = #handler; [INFO] [stdout] 489 | | let (#( #result_vars ),*) = __results; [INFO] [stdout] 490 | | __handler(#( #result_vars ),*) [INFO] [stdout] 491 | | } [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] 497 | | let unwrap_results = generate_results_unwrapper(); [INFO] [stdout] | | ^^^^^^^^^^^^^^ [INFO] [stdout] ... | [INFO] [stdout] 500 | / quote! { [INFO] [stdout] 501 | | let (#( #result_vars ),*) = __results; [INFO] [stdout] 502 | | let __results = #unwrap_results; [INFO] [stdout] 503 | | #results_wrapper.map(|__results| { [INFO] [stdout] ... | [INFO] [stdout] 507 | | }) [INFO] [stdout] 508 | | } [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] | |_____________________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] 509 | } else { [INFO] [stdout] 510 | / quote! { [INFO] [stdout] 511 | | let (#( #result_vars ),*) = __results; [INFO] [stdout] 512 | | let __results = #unwrap_results; [INFO] [stdout] 513 | | #results_wrapper.map(|__results| { [INFO] [stdout] ... | [INFO] [stdout] 519 | | }) [INFO] [stdout] 520 | | } [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] | |_____________________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] 529 | / quote! { [INFO] [stdout] 530 | | let (#( #result_vars ),*) = __results; [INFO] [stdout] 531 | | let __results = #unwrap_results; [INFO] [stdout] 532 | | #results_wrapper.and_then(|__results| { [INFO] [stdout] ... | [INFO] [stdout] 536 | | }) [INFO] [stdout] 537 | | } [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] | |_________________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 `union_impl` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a7a60a5619e797bd13d26d41d1ad1b84700b8265585d3fd157649312e5796b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7a60a5619e797bd13d26d41d1ad1b84700b8265585d3fd157649312e5796b43", kill_on_drop: false }` [INFO] [stdout] a7a60a5619e797bd13d26d41d1ad1b84700b8265585d3fd157649312e5796b43