Disable default features of dependencies to fix no-std support

CHANGELOG.md

@@ -7,6 +7,9 @@ and this library adheres to Rust's notion of
 
 ## [Unreleased]
 
+### Fixed
+- Disabled default features of dependencies to fix no-std support.
+
 ## [0.1.2] - 2024-10-22
 
 ### Added

Cargo.lock

@@ -39,9 +39,9 @@ checksum = "21a53c0a4d288377e7415b53dcfc3c04da5cdc2cc95c8d5ac178b58f0b861ad6"
 
 [[package]]
 name = "memuse"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2145869435ace5ea6ea3d35f59be559317ec9a0d04e1812d5f185a87b6d36f1a"
+checksum = "3d97bbf43eb4f088f8ca469930cde17fa036207c9a5e02ccc5107c4e8b17c964"
 
 [[package]]
 name = "subtle"

Cargo.toml

@@ -14,9 +14,9 @@ edition = "2021"
 rust-version = "1.60"
 
 [dependencies]
-blake2b_simd = "1"
-memuse = "0.2.1"
-subtle = "2.2.3"
+blake2b_simd = { version = "1", default-features = false }
+memuse = { version = "0.2.2", default-features = false }
+subtle = { version = "2.2.3", default-features = false }
 zcash_spec = "0.1.2"
 
 [dev-dependencies]
@@ -24,4 +24,4 @@ assert_matches = "1.5"
 
 [features]
 default = ["std"]
-std = []
+std = ["memuse/std"]

src/arbitrary.rs

@@ -257,7 +257,7 @@ mod tests {
                 .path
                 .into_iter()
                 .map(|i| ChildIndex::from_index(*i).expect("hardened"))
-                .collect::<std::vec::Vec<_>>();
+                .collect::<alloc::vec::Vec<_>>();
             assert_eq!(&full_path[..i], &path);
 
             // The derived master key should be identical to the key at the empty path.

src/fingerprint.rs

@@ -88,8 +88,8 @@ fn test_seed_fingerprint() {
         let fp = SeedFingerprint::from_seed(&tv.root_seed).expect("root_seed has valid length");
         assert_eq!(&fp.to_bytes(), &tv.fingerprint[..]);
         assert_eq!(
-            std::format!("{:?}", fp),
-            std::format!("SeedFingerprint({})", tv.fingerprint_str)
+            alloc::format!("{:?}", fp),
+            alloc::format!("SeedFingerprint({})", tv.fingerprint_str)
         );
     }
 }

src/lib.rs

@@ -7,6 +7,9 @@
 #![deny(unsafe_code)]
 #![deny(rustdoc::broken_intra_doc_links)]
 
+#[cfg(test)]
+extern crate alloc;
+
 #[cfg(feature = "std")]
 extern crate std;