[INFO] fetching crate regex-syntax 0.8.4...
[INFO] checking regex-syntax-0.8.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate regex-syntax 0.8.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate regex-syntax 0.8.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex-syntax 0.8.4
[INFO] finished tweaking crates.io crate regex-syntax 0.8.4
[INFO] tweaked toml for crates.io crate regex-syntax 0.8.4 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60d501dd632672a7fcecba5f0443389303ed5af6fb7f0128a09abde5ce70cfad
[INFO] running `Command { std: "docker" "start" "-a" "60d501dd632672a7fcecba5f0443389303ed5af6fb7f0128a09abde5ce70cfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d501dd632672a7fcecba5f0443389303ed5af6fb7f0128a09abde5ce70cfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d501dd632672a7fcecba5f0443389303ed5af6fb7f0128a09abde5ce70cfad", kill_on_drop: false }`
[INFO] [stdout] 60d501dd632672a7fcecba5f0443389303ed5af6fb7f0128a09abde5ce70cfad
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df26bc6cebc7306459d701514df47b5fce5c68aa9c17a78fb0238747b9517bb
[INFO] running `Command { std: "docker" "start" "-a" "7df26bc6cebc7306459d701514df47b5fce5c68aa9c17a78fb0238747b9517bb", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Either<SetFlags, ast::Group>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ast/parse.rs:705:15
[INFO] [stdout]     |
[INFO] [stdout] 703 |     fn push_group(&self, mut concat: ast::Concat) -> Result<ast::Concat> {
[INFO] [stdout]     |                          ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 704 |         assert_eq!(self.char(), '(');
[INFO] [stdout] 705 |         match self.parse_group()? {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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<GroupState>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ast/parse.rs:813:15
[INFO] [stdout]     |
[INFO] [stdout] 798 |         let mut stack = self.parser().stack_group.borrow_mut();
[INFO] [stdout]     |             --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 799 |         let ast = match stack.pop() {
[INFO] [stdout]     |             --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 813 |         match stack.pop() {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<ClassState>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ast/parse.rs:877:15
[INFO] [stdout]     |
[INFO] [stdout] 875 |         let prevset = self.pop_class_op(item);
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 876 |         let mut stack = self.parser().stack_class.borrow_mut();
[INFO] [stdout]     |             --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 877 |         match stack.pop() {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Either<SetFlags, ast::Group>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ast/parse.rs:705:15
[INFO] [stdout]     |
[INFO] [stdout] 703 |     fn push_group(&self, mut concat: ast::Concat) -> Result<ast::Concat> {
[INFO] [stdout]     |                          ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 704 |         assert_eq!(self.char(), '(');
[INFO] [stdout] 705 |         match self.parse_group()? {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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<GroupState>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ast/parse.rs:813:15
[INFO] [stdout]     |
[INFO] [stdout] 798 |         let mut stack = self.parser().stack_group.borrow_mut();
[INFO] [stdout]     |             --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 799 |         let ast = match stack.pop() {
[INFO] [stdout]     |             --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 813 |         match stack.pop() {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<ClassState>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ast/parse.rs:877:15
[INFO] [stdout]     |
[INFO] [stdout] 875 |         let prevset = self.pop_class_op(item);
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 876 |         let mut stack = self.parser().stack_class.borrow_mut();
[INFO] [stdout]     |             --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 877 |         match stack.pop() {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex-syntax` (lib) 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 `regex-syntax` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7df26bc6cebc7306459d701514df47b5fce5c68aa9c17a78fb0238747b9517bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df26bc6cebc7306459d701514df47b5fce5c68aa9c17a78fb0238747b9517bb", kill_on_drop: false }`
[INFO] [stdout] 7df26bc6cebc7306459d701514df47b5fce5c68aa9c17a78fb0238747b9517bb