[INFO] fetching crate hooks-macro-core 0.4.0... [INFO] checking hooks-macro-core-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate hooks-macro-core 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate hooks-macro-core 0.4.0 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 hooks-macro-core 0.4.0 [INFO] finished tweaking crates.io crate hooks-macro-core 0.4.0 [INFO] tweaked toml for crates.io crate hooks-macro-core 0.4.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd409b8151f4a0504f6de17ceb9fa1a3bf323dbe3091ddf256495674fdaa2b30 [INFO] running `Command { std: "docker" "start" "-a" "bd409b8151f4a0504f6de17ceb9fa1a3bf323dbe3091ddf256495674fdaa2b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd409b8151f4a0504f6de17ceb9fa1a3bf323dbe3091ddf256495674fdaa2b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd409b8151f4a0504f6de17ceb9fa1a3bf323dbe3091ddf256495674fdaa2b30", kill_on_drop: false }` [INFO] [stdout] bd409b8151f4a0504f6de17ceb9fa1a3bf323dbe3091ddf256495674fdaa2b30 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02ae2a85c7788dc5676f92f0d785b1a798f63b17b6031aef4a5563f01aafd285 [INFO] running `Command { std: "docker" "start" "-a" "02ae2a85c7788dc5676f92f0d785b1a798f63b17b6031aef4a5563f01aafd285", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking darling_core v0.20.10 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Checking darling v0.20.10 [INFO] [stderr] Checking hooks-macro-core v0.4.0 (/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/captures.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 5 | mut iter: I, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | empty: impl FnOnce() -> R, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | exactly_one: impl FnOnce(T) -> R, [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 8 | many: impl FnOnce(std::iter::Chain, I>) -> R, [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 9 | ) -> R { [INFO] [stdout] 10 | if let Some(first) = iter.next() { [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: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/captures.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 5 | mut iter: I, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | empty: impl FnOnce() -> R, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | exactly_one: impl FnOnce(T) -> R, [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 8 | many: impl FnOnce(std::iter::Chain, I>) -> R, [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 9 | ) -> R { [INFO] [stdout] 10 | if let Some(first) = iter.next() { [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: 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/detected.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 14 | mut used_hooks: Vec, [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | hooks_core_path: impl ToTokens, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | let ident_hooks_data = syn::Ident::new("__hooks_hook_data", span); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | let impl_extract_hooks_data = quote_spanned! {span=> [INFO] [stdout] | ___________________________________________- [INFO] [stdout] | |___________________________________________| [INFO] [stdout] 40 | | // SAFETY: pin projection [INFO] [stdout] 41 | | #hooks_core_path::__impl_pin_project_hook_tuple!(#ident_hooks_data, #(#used_id,)*); [INFO] [stdout] 42 | | }; [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] | [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: 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/detected.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 14 | mut used_hooks: Vec, [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | hooks_core_path: impl ToTokens, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | let ident_hooks_data = syn::Ident::new("__hooks_hook_data", span); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | let impl_extract_hooks_data = quote_spanned! {span=> [INFO] [stdout] | ___________________________________________- [INFO] [stdout] | |___________________________________________| [INFO] [stdout] 40 | | // SAFETY: pin projection [INFO] [stdout] 41 | | #hooks_core_path::__impl_pin_project_hook_tuple!(#ident_hooks_data, #(#used_id,)*); [INFO] [stdout] 42 | | }; [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] | [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hooks-macro-core` (lib test) due to 3 previous errors [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `hooks-macro-core` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "02ae2a85c7788dc5676f92f0d785b1a798f63b17b6031aef4a5563f01aafd285", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02ae2a85c7788dc5676f92f0d785b1a798f63b17b6031aef4a5563f01aafd285", kill_on_drop: false }` [INFO] [stdout] 02ae2a85c7788dc5676f92f0d785b1a798f63b17b6031aef4a5563f01aafd285