[INFO] fetching crate alt_serde_derive 1.0.119... [INFO] checking alt_serde_derive-1.0.119 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate alt_serde_derive 1.0.119 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate alt_serde_derive 1.0.119 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 alt_serde_derive 1.0.119 [INFO] finished tweaking crates.io crate alt_serde_derive 1.0.119 [INFO] tweaked toml for crates.io crate alt_serde_derive 1.0.119 written to /workspace/builds/worker-2-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 7 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e773ecc36dde52cb86de5d45cba380d935f53e42053393d272618f3772567257 [INFO] running `Command { std: "docker" "start" "-a" "e773ecc36dde52cb86de5d45cba380d935f53e42053393d272618f3772567257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e773ecc36dde52cb86de5d45cba380d935f53e42053393d272618f3772567257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e773ecc36dde52cb86de5d45cba380d935f53e42053393d272618f3772567257", kill_on_drop: false }` [INFO] [stdout] e773ecc36dde52cb86de5d45cba380d935f53e42053393d272618f3772567257 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e35a93a849c7503aaaeea98b0109ce4d89d165dc6a33a3728cc4b4efe1e72a8 [INFO] running `Command { std: "docker" "start" "-a" "6e35a93a849c7503aaaeea98b0109ce4d89d165dc6a33a3728cc4b4efe1e72a8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling alt_serde_derive v1.0.119 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts` [INFO] [stdout] --> src/dummy.rs:15:31 [INFO] [stdout] | [INFO] [stdout] 15 | let dummy_const = if cfg!(underscore_consts) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(Option<(TokenStream2, ())>, Option<(TokenStream2, std::string::String)>, Option<(TokenStream2, std::string::String)>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internals/attr.rs:714:11 [INFO] [stdout] | [INFO] [stdout] 710 | untagged: BoolAttr, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 714 | match ( [INFO] [stdout] | ___________^ [INFO] [stdout] 715 | | untagged.0.get_with_tokens(), [INFO] [stdout] 716 | | internal_tag.get_with_tokens(), [INFO] [stdout] 717 | | content.get_with_tokens(), [INFO] [stdout] 718 | | ) { [INFO] [stdout] | |_____^ [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 `(&syn::Data, Option<(TokenStream2, ())>, Option<(TokenStream2, ())>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internals/attr.rs:795:11 [INFO] [stdout] | [INFO] [stdout] 792 | field_identifier: BoolAttr, [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 793 | variant_identifier: BoolAttr, [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 794 | ) -> Identifier { [INFO] [stdout] 795 | match ( [INFO] [stdout] | ___________^ [INFO] [stdout] 796 | | &item.data, [INFO] [stdout] 797 | | field_identifier.0.get_with_tokens(), [INFO] [stdout] 798 | | variant_identifier.0.get_with_tokens(), [INFO] [stdout] 799 | | ) { [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts` [INFO] [stdout] --> src/dummy.rs:15:31 [INFO] [stdout] | [INFO] [stdout] 15 | let dummy_const = if cfg!(underscore_consts) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Generics` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ser.rs:975:17 [INFO] [stdout] | [INFO] [stdout] 956 | let serialize_fields = serialize_struct_visitor(fields, params, true, &struct_trait); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 963 | let let_mut = mut_if(serialized_fields.peek().is_some()); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 975 | let wrapper_generics = bound::with_lifetime_bound(¶ms.generics, "'__a"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 978 | / quote_block! { [INFO] [stdout] 979 | | struct __EnumFlatten #wrapper_generics #where_clause { [INFO] [stdout] 980 | | data: (#(&'__a #fields_ty,)*), [INFO] [stdout] 981 | | phantom: _serde::__private::PhantomData<#this #ty_generics>, [INFO] [stdout] ... | [INFO] [stdout] 1006 | | }) [INFO] [stdout] 1007 | | } [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] | |_____________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] | |_____________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] | |_____________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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1010 | / quote_block! { [INFO] [stdout] 1011 | let #let_mut __serde_state = try!(_serde::Serializer::serialize_map( [INFO] [stdout] 1012 | __serializer, [INFO] [stdout] 1013 | _serde::__private::None)); [INFO] [stdout] ... [INFO] [stdout] 1020 | _serde::ser::SerializeMap::end(__serde_state) [INFO] [stdout] 1021 | | } [INFO] [stdout] | |_____________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1024 | / quote_block! { [INFO] [stdout] 1025 | let #let_mut __serde_state = try!(_serde::Serializer::serialize_map( [INFO] [stdout] 1026 | __serializer, [INFO] [stdout] 1027 | _serde::__private::None)); [INFO] [stdout] 1028 | #(#serialize_fields)* [INFO] [stdout] 1029 | _serde::ser::SerializeMap::end(__serde_state) [INFO] [stdout] 1030 | | } [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `alt_serde_derive` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `(Option<(TokenStream2, ())>, Option<(TokenStream2, std::string::String)>, Option<(TokenStream2, std::string::String)>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internals/attr.rs:714:11 [INFO] [stdout] | [INFO] [stdout] 710 | untagged: BoolAttr, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 714 | match ( [INFO] [stdout] | ___________^ [INFO] [stdout] 715 | | untagged.0.get_with_tokens(), [INFO] [stdout] 716 | | internal_tag.get_with_tokens(), [INFO] [stdout] 717 | | content.get_with_tokens(), [INFO] [stdout] 718 | | ) { [INFO] [stdout] | |_____^ [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 `(&syn::Data, Option<(TokenStream2, ())>, Option<(TokenStream2, ())>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/internals/attr.rs:795:11 [INFO] [stdout] | [INFO] [stdout] 792 | field_identifier: BoolAttr, [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 793 | variant_identifier: BoolAttr, [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 794 | ) -> Identifier { [INFO] [stdout] 795 | match ( [INFO] [stdout] | ___________^ [INFO] [stdout] 796 | | &item.data, [INFO] [stdout] 797 | | field_identifier.0.get_with_tokens(), [INFO] [stdout] 798 | | variant_identifier.0.get_with_tokens(), [INFO] [stdout] 799 | | ) { [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Generics` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ser.rs:975:17 [INFO] [stdout] | [INFO] [stdout] 956 | let serialize_fields = serialize_struct_visitor(fields, params, true, &struct_trait); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 963 | let let_mut = mut_if(serialized_fields.peek().is_some()); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 975 | let wrapper_generics = bound::with_lifetime_bound(¶ms.generics, "'__a"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 978 | / quote_block! { [INFO] [stdout] 979 | | struct __EnumFlatten #wrapper_generics #where_clause { [INFO] [stdout] 980 | | data: (#(&'__a #fields_ty,)*), [INFO] [stdout] 981 | | phantom: _serde::__private::PhantomData<#this #ty_generics>, [INFO] [stdout] ... | [INFO] [stdout] 1006 | | }) [INFO] [stdout] 1007 | | } [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] | |_____________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] | |_____________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] | |_____________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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1010 | / quote_block! { [INFO] [stdout] 1011 | let #let_mut __serde_state = try!(_serde::Serializer::serialize_map( [INFO] [stdout] 1012 | __serializer, [INFO] [stdout] 1013 | _serde::__private::None)); [INFO] [stdout] ... [INFO] [stdout] 1020 | _serde::ser::SerializeMap::end(__serde_state) [INFO] [stdout] 1021 | | } [INFO] [stdout] | |_____________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1024 | / quote_block! { [INFO] [stdout] 1025 | let #let_mut __serde_state = try!(_serde::Serializer::serialize_map( [INFO] [stdout] 1026 | __serializer, [INFO] [stdout] 1027 | _serde::__private::None)); [INFO] [stdout] 1028 | #(#serialize_fields)* [INFO] [stdout] 1029 | _serde::ser::SerializeMap::end(__serde_state) [INFO] [stdout] 1030 | | } [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `alt_serde_derive` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "6e35a93a849c7503aaaeea98b0109ce4d89d165dc6a33a3728cc4b4efe1e72a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e35a93a849c7503aaaeea98b0109ce4d89d165dc6a33a3728cc4b4efe1e72a8", kill_on_drop: false }` [INFO] [stdout] 6e35a93a849c7503aaaeea98b0109ce4d89d165dc6a33a3728cc4b4efe1e72a8