# rustc version rustc 1.97.0-nightly (9eb3be26b 2026-05-18)
# docs.rs version docsrs 0.0.0 (e50152ed411bb913753b1dfd203f22cb8711f097 2026-05-17 )
# 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" "c214c99fe9418e863bb4821ffe57657c0c3309b38756e6e02f5e60b41064994d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260518-1.97.0-nightly-9eb3be26b\", \"--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: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting existential v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples` [INFO] [stderr] --> src/lib.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | rustdoc::missing_doc_code_examples, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the `rustdoc::missing_doc_code_examples` lint is unstable [INFO] [stderr] = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information [INFO] [stderr] = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-18; consider upgrading it if it is out of date [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a trait [INFO] [stderr] --> src/lib.rs:106:1 [INFO] [stderr] | [INFO] [stderr] 106 | pub trait TyConFor<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | missing_docs, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for an associated type [INFO] [stderr] --> src/lib.rs:107:5 [INFO] [stderr] | [INFO] [stderr] 107 | type Applied; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a type alias [INFO] [stderr] --> src/lib.rs:110:1 [INFO] [stderr] | [INFO] [stderr] 110 | pub type Apply<'a, C> = <C as TyConFor<'a>>::Applied; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a trait [INFO] [stderr] --> src/lib.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub trait TyCon: for<'a> TyConFor<'a> {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a struct [INFO] [stderr] --> src/lib.rs:115:1 [INFO] [stderr] | [INFO] [stderr] 115 | pub struct Existential<'lower_bound, C> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for an associated function [INFO] [stderr] --> src/lib.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | pub fn new<'a: 'lower_bound>(inner: Apply<'a, C>) -> Existential<'lower_bound, C> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a method [INFO] [stderr] --> src/lib.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | / pub fn with<'s, F, O>(&'s self, f: F) -> O [INFO] [stderr] 137 | | where [INFO] [stderr] 138 | | F: for<'a> FnOnce(&'s Apply<'a, C>, PhantomData<&'lower_bound &'a ()>) -> O, [INFO] [stderr] | |____________________________________________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a method [INFO] [stderr] --> src/lib.rs:142:5 [INFO] [stderr] | [INFO] [stderr] 142 | / pub fn with_mut<'s, F, O>(&'s mut self, f: F) -> O [INFO] [stderr] 143 | | where [INFO] [stderr] 144 | | F: for<'a> FnOnce(&'s mut Apply<'a, C>, PhantomData<&'lower_bound &'a ()>) -> O, [INFO] [stderr] | |________________________________________________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for a method [INFO] [stderr] --> src/lib.rs:148:5 [INFO] [stderr] | [INFO] [stderr] 148 | / pub fn with_owned<F, O>(self, f: F) -> O [INFO] [stderr] 149 | | where [INFO] [stderr] 150 | | F: for<'a> FnOnce(Apply<'a, C>, PhantomData<&'lower_bound &'a ()>) -> O, [INFO] [stderr] | |________________________________________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: `existential` (lib doc) generated 10 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/existential/index.html [INFO] running `Command { std: "docker" "inspect" "c214c99fe9418e863bb4821ffe57657c0c3309b38756e6e02f5e60b41064994d", kill_on_drop: false }`