# rustc version rustc 1.98.0-nightly (13f1859f2 2026-06-27)
# docs.rs version docsrs 0.0.0 (886bc7a22b1adc4b387ce1343447fe3af98d9ce5 2026-06-14 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "ff21b57ff799bad1949f03638b354a2bbca0b7656b83e8b061675eac9f17a77e" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260627-1.98.0-nightly-13f1859f2\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `core_extensions` dependency) [INFO] [stderr] warning: `structural` (manifest) generated 1 warning [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting structural v0.4.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition name: `rust_1_41` [INFO] [stderr] --> src/lib.rs:778:41 [INFO] [stderr] | [INFO] [stderr] 778 | #[cfg(any(feature = "for_examples", all(rust_1_41, doc)))] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 32 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rust_1_41)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rust_1_41)");` to the top of the `build.rs` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `rust_1_41` [INFO] [stderr] --> src/lib.rs:784:50 [INFO] [stderr] | [INFO] [stderr] 784 | #[cfg(all(not(feature = "for_examples"), not(all(rust_1_41, doc))))] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rust_1_41)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rust_1_41)");` to the top of the `build.rs` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `rust_1_42` [INFO] [stderr] --> src/utils.rs:135:11 [INFO] [stderr] | [INFO] [stderr] 135 | #[cfg(feature = "rust_1_42")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `all`, `alloc`, `default`, `disable_const_str`, `for_examples`, `hide_reexports`, `impl_fields`, `nightly_impl_fields`, `nightly_specialization`, `nightly_use_const_str`, `specialization`, `std`, `test_all`, `testing`, and `use_const_str` [INFO] [stderr] = help: consider adding `rust_1_42` as a feature in `Cargo.toml` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `rust_1_42` [INFO] [stderr] --> src/utils.rs:139:15 [INFO] [stderr] | [INFO] [stderr] 139 | #[cfg(not(feature = "rust_1_42"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `all`, `alloc`, `default`, `disable_const_str`, `for_examples`, `hide_reexports`, `impl_fields`, `nightly_impl_fields`, `nightly_specialization`, `nightly_use_const_str`, `specialization`, `std`, `test_all`, `testing`, and `use_const_str` [INFO] [stderr] = help: consider adding `rust_1_42` as a feature in `Cargo.toml` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `StructuralExt::into_fields` [INFO] [stderr] --> src/macros/delegate_structural.rs:24:10 [INFO] [stderr] | [INFO] [stderr] 24 | (using [`StructuralExt::into_fields`] or [`StrucWrapper::vals`]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `StructuralExt` in scope [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `StrucWrapper::vals` [INFO] [stderr] --> src/macros/delegate_structural.rs:24:44 [INFO] [stderr] | [INFO] [stderr] 24 | (using [`StructuralExt::into_fields`] or [`StrucWrapper::vals`]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ no item named `StrucWrapper` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `StructuralExt::into_fields` [INFO] [stderr] --> src/macros/delegate_structural.rs:31:10 [INFO] [stderr] | [INFO] [stderr] 31 | (using [`StructuralExt::into_fields`] or [`StrucWrapper::vals`]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `StructuralExt` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `StrucWrapper::vals` [INFO] [stderr] --> src/macros/delegate_structural.rs:31:44 [INFO] [stderr] | [INFO] [stderr] 31 | (using [`StructuralExt::into_fields`] or [`StrucWrapper::vals`]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ no item named `StrucWrapper` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `StructuralExt::into_fields` [INFO] [stderr] --> src/macros/delegate_structural.rs:36:41 [INFO] [stderr] | [INFO] [stderr] 36 | The order of operations when invoking [`StructuralExt::into_fields`] or [`StrucWrapper::vals`] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `StructuralExt` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `StrucWrapper::vals` [INFO] [stderr] --> src/macros/delegate_structural.rs:36:75 [INFO] [stderr] | [INFO] [stderr] 36 | The order of operations when invoking [`StructuralExt::into_fields`] or [`StrucWrapper::vals`] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ no item named `StrucWrapper` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `GetFieldMut::get_field_raw_mut` [INFO] [stderr] --> src/macros/struct_derivation.rs:5:26 [INFO] [stderr] | [INFO] [stderr] 5 | /// This implements the [GetFieldMut::get_field_raw_mut] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `GetFieldMut` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `GetFieldMut::get_field_raw_mut_fn` [INFO] [stderr] --> src/macros/struct_derivation.rs:7:10 [INFO] [stderr] | [INFO] [stderr] 7 | /// and [GetFieldMut::get_field_raw_mut_fn] by returning [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `GetFieldMut` in scope [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/macros.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | default $($default_impl)* [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/enums/variant_proxy.rs:562:5 [INFO] [stderr] | [INFO] [stderr] 562 | / default_if! { [INFO] [stderr] 563 | | #[inline(always)] [INFO] [stderr] 564 | | cfg(feature="specialization") [INFO] [stderr] 565 | | unsafe fn get_field_raw_mut_inner( [INFO] [stderr] ... | [INFO] [stderr] 581 | | } [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-27; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] = note: this warning originates in the macro `default_if` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/macros.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | default $($default_impl)* [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/field/most_impls.rs:241:5 [INFO] [stderr] | [INFO] [stderr] 241 | / unsafe_delegate_structural_with! { [INFO] [stderr] 242 | | impl[T,] Box<T> [INFO] [stderr] 243 | | where[T:?Sized,] [INFO] [stderr] ... | [INFO] [stderr] 263 | | } [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-27; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] = note: this warning originates in the macro `$crate::default_if` which comes from the expansion of the macro `unsafe_delegate_structural_with` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/macros.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | default $($default_impl)* [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/field/most_impls.rs:345:1 [INFO] [stderr] | [INFO] [stderr] 345 | / unsafe_delegate_structural_with! { [INFO] [stderr] 346 | | impl['a,T:'a,] &'a mut T [INFO] [stderr] 347 | | where [T:?Sized,] [INFO] [stderr] 348 | | self_ident=this; [INFO] [stderr] ... | [INFO] [stderr] 360 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-27; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] = note: this warning originates in the macro `$crate::default_if` which comes from the expansion of the macro `unsafe_delegate_structural_with` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/macros.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | default $($default_impl)* [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/field/rev_get_field/components.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | / default_if! { [INFO] [stderr] 80 | | #[inline(always)] [INFO] [stderr] 81 | | cfg(feature="specialization") [INFO] [stderr] 82 | | unsafe fn rev_get_field_raw_mut_inner( [INFO] [stderr] ... | [INFO] [stderr] 92 | | } [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-27; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] = note: this warning originates in the macro `default_if` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/macros.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | default $($default_impl)* [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/field/rev_get_field/components.rs:197:5 [INFO] [stderr] | [INFO] [stderr] 197 | / default_if! { [INFO] [stderr] 198 | | #[inline(always)] [INFO] [stderr] 199 | | cfg(feature="specialization") [INFO] [stderr] 200 | | unsafe fn rev_get_field_raw_mut_inner( [INFO] [stderr] ... | [INFO] [stderr] 210 | | } [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-27; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] = note: this warning originates in the macro `default_if` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `structural` (lib doc) generated 19 warnings (2 duplicates) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/structural/index.html [INFO] running `Command { std: "docker" "inspect" "ff21b57ff799bad1949f03638b354a2bbca0b7656b83e8b061675eac9f17a77e", kill_on_drop: false }`