[INFO] fetching crate ebml-iterable-specification-derive 0.4.0... [INFO] checking ebml-iterable-specification-derive-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ebml-iterable-specification-derive 0.4.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ebml-iterable-specification-derive 0.4.0 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 ebml-iterable-specification-derive 0.4.0 [INFO] finished tweaking crates.io crate ebml-iterable-specification-derive 0.4.0 [INFO] tweaked toml for crates.io crate ebml-iterable-specification-derive 0.4.0 written to /workspace/builds/worker-6-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 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3ccf5f19f9d8a81b7683218169391b2b73c40fb3a66c451fac54ce745389724f [INFO] running `Command { std: "docker" "start" "-a" "3ccf5f19f9d8a81b7683218169391b2b73c40fb3a66c451fac54ce745389724f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ccf5f19f9d8a81b7683218169391b2b73c40fb3a66c451fac54ce745389724f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ccf5f19f9d8a81b7683218169391b2b73c40fb3a66c451fac54ce745389724f", kill_on_drop: false }` [INFO] [stdout] 3ccf5f19f9d8a81b7683218169391b2b73c40fb3a66c451fac54ce745389724f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5ea206c803ecf1da23e12d03c16c73cd1e5d40d719432f1b226ef486ae5990fc [INFO] running `Command { std: "docker" "start" "-a" "5ea206c803ecf1da23e12d03c16c73cd1e5d40d719432f1b226ef486ae5990fc", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking ebml-iterable-specification v0.4.0 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking ebml-iterable-specification-derive v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/attr.rs:166:21 [INFO] [stdout] | [INFO] [stdout] 166 | let path_array: Vec = path.0.parts.iter().map(|p| match p { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | / quote_spanned! { v.original.span() => [INFO] [stdout] 187 | | #id => &[#(#path_array),*], [INFO] [stdout] 188 | | } [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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/attr.rs:166:21 [INFO] [stdout] | [INFO] [stdout] 166 | let path_array: Vec = path.0.parts.iter().map(|p| match p { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | / quote_spanned! { v.original.span() => [INFO] [stdout] 187 | | #id => &[#(#path_array),*], [INFO] [stdout] 188 | | } [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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tokens` is never read [INFO] [stdout] --> src/ast.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Attribute<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | pub original: &'a syn::Attribute, [INFO] [stdout] 27 | pub tokens: &'a TokenStream, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tokens` is never read [INFO] [stdout] --> src/ast.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Attribute<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | pub original: &'a syn::Attribute, [INFO] [stdout] 27 | pub tokens: &'a TokenStream, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ebml-iterable-specification-derive` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ebml-iterable-specification-derive` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5ea206c803ecf1da23e12d03c16c73cd1e5d40d719432f1b226ef486ae5990fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ea206c803ecf1da23e12d03c16c73cd1e5d40d719432f1b226ef486ae5990fc", kill_on_drop: false }` [INFO] [stdout] 5ea206c803ecf1da23e12d03c16c73cd1e5d40d719432f1b226ef486ae5990fc