[INFO] fetching crate powerset-enum-attr 0.1.0...
[INFO] checking powerset-enum-attr-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate powerset-enum-attr 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate powerset-enum-attr 0.1.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate powerset-enum-attr 0.1.0
[INFO] finished tweaking crates.io crate powerset-enum-attr 0.1.0
[INFO] tweaked toml for crates.io crate powerset-enum-attr 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.86)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.37)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.77)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b8af65c91edce910d3d0eb8c483efd0a43e9477842a325eda81067f04033ac3
[INFO] running `Command { std: "docker" "start" "-a" "2b8af65c91edce910d3d0eb8c483efd0a43e9477842a325eda81067f04033ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8af65c91edce910d3d0eb8c483efd0a43e9477842a325eda81067f04033ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8af65c91edce910d3d0eb8c483efd0a43e9477842a325eda81067f04033ac3", kill_on_drop: false }`
[INFO] [stdout] 2b8af65c91edce910d3d0eb8c483efd0a43e9477842a325eda81067f04033ac3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b350ad00f9ef43e15135e9431b3f03a98592b7836f8f9f6552bcd2ee014037c2
[INFO] running `Command { std: "docker" "start" "-a" "b350ad00f9ef43e15135e9431b3f03a98592b7836f8f9f6552bcd2ee014037c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking powerset-enum-attr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]  --> src/powerset_macro_impl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PowersetMacroInput {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 8 |     empty_powerset: syn::Type,
[INFO] [stdout] 9 |     comma: Option<syn::token::Comma>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PowersetMacroInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn powerset(args: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                 ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 11 |     match powerset_macro_impl::powerset_macro_impl(parse_macro_input!(args)) {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     _args: proc_macro::TokenStream,
[INFO] [stdout]    |     ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 25 |     input: proc_macro::TokenStream,
[INFO] [stdout]    |     ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 26 | ) -> proc_macro::TokenStream {
[INFO] [stdout] 27 |     match powerset_enum_impl::powerset_enum_impl(parse_macro_input!(input)) {
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]  --> src/powerset_macro_impl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PowersetMacroInput {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 8 |     empty_powerset: syn::Type,
[INFO] [stdout] 9 |     comma: Option<syn::token::Comma>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PowersetMacroInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn powerset(args: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                 ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 11 |     match powerset_macro_impl::powerset_macro_impl(parse_macro_input!(args)) {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     _args: proc_macro::TokenStream,
[INFO] [stdout]    |     ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 25 |     input: proc_macro::TokenStream,
[INFO] [stdout]    |     ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 26 | ) -> proc_macro::TokenStream {
[INFO] [stdout] 27 |     match powerset_enum_impl::powerset_enum_impl(parse_macro_input!(input)) {
[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 `powerset-enum-attr` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `powerset-enum-attr` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b350ad00f9ef43e15135e9431b3f03a98592b7836f8f9f6552bcd2ee014037c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b350ad00f9ef43e15135e9431b3f03a98592b7836f8f9f6552bcd2ee014037c2", kill_on_drop: false }`
[INFO] [stdout] b350ad00f9ef43e15135e9431b3f03a98592b7836f8f9f6552bcd2ee014037c2