[INFO] fetching crate fauxgen-macros 0.1.4...
[INFO] checking fauxgen-macros-0.1.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate fauxgen-macros 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fauxgen-macros 0.1.4 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 fauxgen-macros 0.1.4
[INFO] finished tweaking crates.io crate fauxgen-macros 0.1.4
[INFO] tweaked toml for crates.io crate fauxgen-macros 0.1.4 written to /workspace/builds/worker-7-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 4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] caa3a58e33e19d57a2f33a0588643a998eb055e02ebc03c5f67105371b716a36
[INFO] running `Command { std: "docker" "start" "-a" "caa3a58e33e19d57a2f33a0588643a998eb055e02ebc03c5f67105371b716a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa3a58e33e19d57a2f33a0588643a998eb055e02ebc03c5f67105371b716a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa3a58e33e19d57a2f33a0588643a998eb055e02ebc03c5f67105371b716a36", kill_on_drop: false }`
[INFO] [stdout] caa3a58e33e19d57a2f33a0588643a998eb055e02ebc03c5f67105371b716a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5620b72317865eb75a8317db8c1b2926ab042f6b009d50e7ded0540e6b866153
[INFO] running `Command { std: "docker" "start" "-a" "5620b72317865eb75a8317db8c1b2926ab042f6b009d50e7ded0540e6b866153", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking fauxgen-macros v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::boxed::Box<syn::Expr>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/generator.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |                   let expr = match &y.expr {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |                   *i = syn::parse_quote_spanned!( y.yield_token.span =>
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 201 | |                     #( #attrs )*
[INFO] [stdout] 202 | |                     #token.yield_(#expr).await
[INFO] [stdout] 203 | |                 );
[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 <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 `std::boxed::Box<syn::Expr>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/generator.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |                   let expr = match &y.expr {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |                   *i = syn::parse_quote_spanned!( y.yield_token.span =>
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 201 | |                     #( #attrs )*
[INFO] [stdout] 202 | |                     #token.yield_(#expr).await
[INFO] [stdout] 203 | |                 );
[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 <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 `Result<proc_macro2::TokenStream, syn::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]  --> src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn generator(attr: TokenStream, mut item: TokenStream) -> TokenStream {
[INFO] [stdout]   |                                     -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 9 |     match generator::expand(attr.into(), item.clone().into()) {
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Result<proc_macro2::TokenStream, syn::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]  --> src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn generator(attr: TokenStream, mut item: TokenStream) -> TokenStream {
[INFO] [stdout]   |                                     -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 9 |     match generator::expand(attr.into(), item.clone().into()) {
[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 `fauxgen-macros` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fauxgen-macros` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5620b72317865eb75a8317db8c1b2926ab042f6b009d50e7ded0540e6b866153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5620b72317865eb75a8317db8c1b2926ab042f6b009d50e7ded0540e6b866153", kill_on_drop: false }`
[INFO] [stdout] 5620b72317865eb75a8317db8c1b2926ab042f6b009d50e7ded0540e6b866153