[INFO] fetching crate prost-serde-derive 0.1.5... [INFO] checking prost-serde-derive-0.1.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate prost-serde-derive 0.1.5 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate prost-serde-derive 0.1.5 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 prost-serde-derive 0.1.5 [INFO] finished tweaking crates.io crate prost-serde-derive 0.1.5 [INFO] tweaked toml for crates.io crate prost-serde-derive 0.1.5 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 8 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [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-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] 74c777245d72cd9613254cf5cafe5e9f49d7c9583ef14719a8e7bc84fbc1c446 [INFO] running `Command { std: "docker" "start" "-a" "74c777245d72cd9613254cf5cafe5e9f49d7c9583ef14719a8e7bc84fbc1c446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74c777245d72cd9613254cf5cafe5e9f49d7c9583ef14719a8e7bc84fbc1c446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74c777245d72cd9613254cf5cafe5e9f49d7c9583ef14719a8e7bc84fbc1c446", kill_on_drop: false }` [INFO] [stdout] 74c777245d72cd9613254cf5cafe5e9f49d7c9583ef14719a8e7bc84fbc1c446 [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] 53b618da4132e0deb4fc09f301ee2fe403d1573b83b8581996cab99fb77be028 [INFO] running `Command { std: "docker" "start" "-a" "53b618da4132e0deb4fc09f301ee2fe403d1573b83b8581996cab99fb77be028", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking convert_case v0.6.0 [INFO] [stderr] Checking prost-serde-derive v0.1.5 (/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/serialize.rs:85:17 [INFO] [stdout] | [INFO] [stdout] 85 | let fields = f [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | Ok(quote! { [INFO] [stdout] | ________________- [INFO] [stdout] 92 | | use #serde::ser::SerializeStruct; [INFO] [stdout] 93 | | [INFO] [stdout] 94 | | let mut state = serializer.serialize_struct(#ident_name, #count)?; [INFO] [stdout] 95 | | #(#fields)* [INFO] [stdout] 96 | | state.end() [INFO] [stdout] 97 | | }) [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/serialize.rs:85:17 [INFO] [stdout] | [INFO] [stdout] 85 | let fields = f [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | Ok(quote! { [INFO] [stdout] | ________________- [INFO] [stdout] 92 | | use #serde::ser::SerializeStruct; [INFO] [stdout] 93 | | [INFO] [stdout] 94 | | let mut state = serializer.serialize_struct(#ident_name, #count)?; [INFO] [stdout] 95 | | #(#fields)* [INFO] [stdout] 96 | | state.end() [INFO] [stdout] 97 | | }) [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 `0` is never read [INFO] [stdout] --> src/attr.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | Bytes(ProstBytesType), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 77 | Bytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/attr.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | Bytes(ProstBytesType), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 77 | Bytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tag` is never read [INFO] [stdout] --> src/attr.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 159 | pub struct ProstAttr { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 162 | pub tag: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tag` is never read [INFO] [stdout] --> src/attr.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 159 | pub struct ProstAttr { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 162 | pub tag: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `prost-serde-derive` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `prost-serde-derive` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "53b618da4132e0deb4fc09f301ee2fe403d1573b83b8581996cab99fb77be028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53b618da4132e0deb4fc09f301ee2fe403d1573b83b8581996cab99fb77be028", kill_on_drop: false }` [INFO] [stdout] 53b618da4132e0deb4fc09f301ee2fe403d1573b83b8581996cab99fb77be028