[INFO] fetching crate variant_enum 0.1.0... [INFO] checking variant_enum-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate variant_enum 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate variant_enum 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 variant_enum 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate variant_enum 0.1.0 [INFO] tweaked toml for crates.io crate variant_enum 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate variant_enum 0.1.0 already has a lockfile, it will not be regenerated [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 06e24a5e50c1edb38d350fb5bcc04feca6721cfa9af5131ac33e303ffb49fd46 [INFO] running `Command { std: "docker" "start" "-a" "06e24a5e50c1edb38d350fb5bcc04feca6721cfa9af5131ac33e303ffb49fd46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06e24a5e50c1edb38d350fb5bcc04feca6721cfa9af5131ac33e303ffb49fd46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06e24a5e50c1edb38d350fb5bcc04feca6721cfa9af5131ac33e303ffb49fd46", kill_on_drop: false }` [INFO] [stdout] 06e24a5e50c1edb38d350fb5bcc04feca6721cfa9af5131ac33e303ffb49fd46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 60e80594186ca504e0f098e0a1190f1f797767865d2019a68d662a2a31c9aa32 [INFO] running `Command { std: "docker" "start" "-a" "60e80594186ca504e0f098e0a1190f1f797767865d2019a68d662a2a31c9aa32", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking quote v1.0.36 [INFO] [stderr] Checking syn v2.0.68 [INFO] [stderr] Checking variant_enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `parse_quote_spanned` [INFO] [stdout] --> src/lib.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibility}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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:17:53 [INFO] [stdout] | [INFO] [stdout] 17 | let inner_attr = inner_attr.and_then(|n| n.parse_args().ok().map(|n: Expr| quote! {#[#n]})); [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will 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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `variant_enum` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "60e80594186ca504e0f098e0a1190f1f797767865d2019a68d662a2a31c9aa32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60e80594186ca504e0f098e0a1190f1f797767865d2019a68d662a2a31c9aa32", kill_on_drop: false }` [INFO] [stdout] 60e80594186ca504e0f098e0a1190f1f797767865d2019a68d662a2a31c9aa32