docs: use doc_auto_cfg throughout

Closes #3092.

crates/bench/src/lib.rs

@@ -1 +1,2 @@
-
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]

crates/bin/pclientd/src/lib.rs

@@ -1,3 +1,6 @@
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 use std::net::SocketAddr;
 use std::path::Path;
 

crates/bin/pd/src/lib.rs

@@ -2,6 +2,8 @@
 #![allow(clippy::clone_on_copy)]
 #![deny(clippy::unwrap_used)]
 #![recursion_limit = "512"]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod consensus;
 mod info;

crates/cnidarium-component/src/lib.rs

@@ -37,6 +37,8 @@
 //! appropriate times.
 
 #![deny(clippy::unwrap_used)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod action_handler;
 mod component;

crates/core/app/src/lib.rs

@@ -1,4 +1,6 @@
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 mod action_handler;
 mod community_pool_ext;
 mod mock_client;

crates/core/asset/src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 use once_cell::sync::Lazy;
 
 pub mod asset;

crates/core/component/chain/src/lib.rs

@@ -1,5 +1,5 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub use epoch::Epoch;
 
@@ -8,7 +8,6 @@ mod epoch;
 /// The substore prefix used for storing historic CometBFT block data.
 pub static COMETBFT_SUBSTORE_PREFIX: &'static str = "cometbft-data";
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 pub mod component;
 

crates/core/component/community-pool/src/lib.rs

@@ -1,7 +1,5 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
-
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[cfg(feature = "component")]
 pub mod component;
 
@@ -13,6 +11,5 @@ pub use action::{CommunityPoolDeposit, CommunityPoolOutput, CommunityPoolSpend};
 pub mod genesis;
 pub mod params;
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 pub use component::{StateReadExt, StateWriteExt};

crates/core/component/compact-block/src/lib.rs

@@ -1,5 +1,5 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]

crates/core/component/dex/src/lib.rs

@@ -1,7 +1,6 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
-
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[cfg(feature = "component")]
 pub mod component;
 pub mod event;

crates/core/component/distributions/src/lib.rs

@@ -1,7 +1,5 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
-
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[cfg(feature = "component")]
 pub mod component;
 

crates/core/component/fee/src/lib.rs

@@ -1,5 +1,5 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]

crates/core/component/governance/src/lib.rs

@@ -1,5 +1,6 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #![recursion_limit = "512"]
 
 pub mod delegator_vote;
@@ -42,15 +43,12 @@ pub mod state_key;
 pub mod tally;
 pub use tally::Tally;
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 pub mod component;
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 mod action_handler;
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 pub use component::{StateReadExt, StateWriteExt};
 

crates/core/component/ibc/src/lib.rs

@@ -3,9 +3,9 @@
 // marked as unreachable only when not building in test configuration.
 #![deny(clippy::unwrap_used)]
 #![allow(unreachable_patterns)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+// Requires nightly
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 pub mod component;
 #[cfg(feature = "component")]
@@ -23,6 +23,5 @@ pub use prefix::{IBC_COMMITMENT_PREFIX, IBC_PROOF_SPECS, IBC_SUBSTORE_PREFIX};
 pub use ibc_action::IbcRelay;
 pub use ibc_token::IbcToken;
 
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
 #[cfg(feature = "component")]
 pub use component::{StateReadExt, StateWriteExt};

crates/core/component/sct/src/lib.rs

@@ -1,7 +1,6 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
-
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[cfg(feature = "component")]
 pub mod component;
 

crates/core/component/shielded-pool/src/lib.rs

@@ -1,7 +1,5 @@
 #![deny(clippy::unwrap_used)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
-
-#[cfg_attr(docsrs, doc(cfg(feature = "component")))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[cfg(feature = "component")]
 pub mod component;
 

crates/core/component/stake/src/lib.rs

@@ -1,3 +1,4 @@
+// Requires nightly
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #![deny(clippy::unwrap_used)]
 #![allow(clippy::clone_on_copy)]

crates/core/keys/src/lib.rs

@@ -1,4 +1,7 @@
 #![deny(clippy::unwrap_used)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 use decaf377_fmd as fmd;
 use decaf377_ka as ka;
 use decaf377_rdsa as rdsa;

crates/core/num/src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 mod amount;
 pub mod fixpoint;
 

crates/core/transaction/src/lib.rs

@@ -14,6 +14,8 @@
 
 #![deny(clippy::unwrap_used)]
 #![allow(clippy::clone_on_copy)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod auth_data;
 mod detection_data;

crates/core/txhash/src/lib.rs

@@ -1,3 +1,5 @@
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 mod auth_hash;
 mod context;
 mod effect_hash;

crates/crypto/decaf377-fmd/src/lib.rs

@@ -2,6 +2,8 @@
 //!
 //! [fmd]: https://protocol.penumbra.zone/main/crypto/fmd.html
 #![deny(clippy::unwrap_used)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod clue;
 mod clue_key;

crates/crypto/decaf377-frost/src/lib.rs

@@ -3,6 +3,9 @@
 //! This implementation only supports producing `SpendAuth` signatures, which
 //! use the conventional `decaf377` basepoint.
 
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 use anyhow::anyhow;
 use frost_core::frost;
 use penumbra_proto::crypto::decaf377_frost::v1alpha1 as pb;

crates/crypto/decaf377-ka/src/lib.rs

@@ -1,4 +1,7 @@
 #![deny(clippy::unwrap_used)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 use std::convert::{TryFrom, TryInto};
 
 use ark_ff::UniformRand;

crates/crypto/eddy/src/lib.rs

@@ -12,6 +12,7 @@
 //!
 //! [protocol-batching]: https://protocol.penumbra.zone/main/concepts/batching_flows.html
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod ciphertext;
 mod decryption_share;

crates/crypto/proof-params/src/lib.rs

@@ -1,4 +1,7 @@
 #![deny(clippy::unwrap_used)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 use anyhow::{bail, Result};
 use ark_groth16::{PreparedVerifyingKey, ProvingKey, VerifyingKey};
 use ark_serialize::CanonicalDeserialize;

crates/crypto/proof-setup/src/lib.rs

@@ -1,3 +1,5 @@
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 pub mod all;
 mod parallel_utils;
 pub mod single;

crates/crypto/tct/src/lib.rs

@@ -35,6 +35,7 @@
 
 #![deny(clippy::unwrap_used)]
 #![warn(missing_docs, rustdoc::broken_intra_doc_links)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[macro_use]
 extern crate derivative;

crates/custody/src/lib.rs

@@ -5,6 +5,8 @@
 //! authorization or blind signing.
 
 #![deny(clippy::unwrap_used)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[macro_use]
 extern crate serde_with;
 

crates/misc/tct-visualize/src/lib.rs

@@ -1,3 +1,4 @@
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #[macro_use]
 extern crate serde;
 

crates/proto/src/lib.rs

@@ -21,7 +21,6 @@
 #![allow(clippy::needless_borrow)]
 #![allow(clippy::unwrap_used)]
 #![allow(non_snake_case)]
-// Requires nightly.
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub use prost::{Message, Name};

crates/test/tct-property-test/src/lib.rs

@@ -1,2 +1,4 @@
 //! This is an empty crate that exists solely to contain property tests for the `penumbra_tct`
 //! package, so we can isolate expensive tests and run them with different optimizations.
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]

crates/util/tendermint-proxy/src/lib.rs

@@ -1,3 +1,4 @@
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 mod tendermint_proxy;
 pub use tendermint_proxy::TendermintProxy;

crates/util/tower-trace/src/lib.rs

@@ -1,4 +1,6 @@
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 /// A vendored copy of the unpublished `tracing-tower` crate.
 pub mod trace;
 

crates/view/src/lib.rs

@@ -1,5 +1,7 @@
 #![deny(clippy::unwrap_used)]
 #![recursion_limit = "512"]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 mod client;
 mod metrics;
 mod note_record;

crates/wallet/src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(clippy::unwrap_used)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 mod build;
 pub use build::build_transaction;
 

crates/wasm/src/lib.rs

@@ -1,4 +1,7 @@
 #![allow(dead_code)]
+// Requires nightly.
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 extern crate core;
 
 pub mod build;