docs: use doc_cfg for nightly documentation

.github/workflows/ci.yml

@@ -36,7 +36,8 @@ jobs:
     runs-on: blacksmith-2vcpu-ubuntu-2404
 
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           persist-credentials: false
 

.github/workflows/coverage.yml

@@ -15,7 +15,8 @@ jobs:
   coverage:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           persist-credentials: false
       - name: Install Rust

.github/workflows/docs-preview.yml

@@ -18,16 +18,19 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
-      - name: Install Rust
+      - name: Install Rust (nightly)
         uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
+        with:
+          toolchain: nightly
 
       - name: Build documentation
         env:
-          RUSTDOCFLAGS: -D warnings
+          RUSTDOCFLAGS: --cfg=docsrs -D warnings
         run: cargo doc --workspace --no-deps --all-features
 
       - name: Redirect to detrim
@@ -61,7 +64,8 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: main
           persist-credentials: false

.github/workflows/lint.yml

@@ -20,7 +20,8 @@ jobs:
       checks: write
 
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           persist-credentials: false
 
@@ -43,7 +44,8 @@ jobs:
   rustfmt:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           persist-credentials: false
 
@@ -58,18 +60,20 @@ jobs:
   docs:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           persist-credentials: false
 
-      - name: Install Rust
+      - name: Install Rust (nightly)
         uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
+          toolchain: nightly
           components: rust-docs
 
       - name: Check for broken intra-doc links
         env:
-          RUSTDOCFLAGS: -D warnings
+          RUSTDOCFLAGS: --cfg=docsrs -D warnings
         run: cargo doc --workspace --no-deps --all-features
 
   zizmor:
@@ -81,7 +85,8 @@ jobs:
       contents: read
 
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           persist-credentials: false
 

.github/workflows/release.yml

@@ -15,7 +15,8 @@ jobs:
     runs-on: blacksmith-2vcpu-ubuntu-2404
 
     steps:
-      - uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
+      - name: Checkout
+        uses: useblacksmith/checkout@25227e61ff9dafe400e22fa487b673eac4e4409a # v1.8.1
         with:
           fetch-depth: 0
           persist-credentials: true

crates/detrim/src/lib.rs

@@ -17,7 +17,7 @@
 //! ```
 
 #![cfg_attr(not(feature = "std"), no_std)]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 extern crate alloc;
 

crates/double-int/src/lib.rs

@@ -34,7 +34,7 @@
 
 #![no_std]
 #![deny(rust_2018_idioms, nonstandard_style, future_incompatible)]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 use serde_core::{de, Deserialize, Deserializer, Serialize, Serializer};
 

crates/serde-bool/src/lib.rs

@@ -59,7 +59,7 @@
 //! ```
 
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 

crates/serde-decimal/src/lib.rs

@@ -23,7 +23,7 @@
 //! * use `nullable_arbitrary_precision` for `Option<Decimal>` where the field is required but may
 //!   be null.
 
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 pub mod double_option_float;
 pub mod non_required_float;

crates/serde-secrecy/src/lib.rs

@@ -1,6 +1,6 @@
 //! Serde support for [`secrecy`] types.
 
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 use secrecy::{ExposeSecret as _, SecretString};
 use serde_core::Serializer;