use rustversion to avoid an extra feature

Foundation-Devices · Nov 20, 2024 · 11e7e81 · 11e7e81
1 parent b536e49
commit 11e7e81
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Showing 3 changed files with 4 additions and 3 deletions.
diff --git a/Cargo.toml b/Cargo.toml
@@ -45,6 +45,7 @@ minicbor = { version = "0.24", features = ["derive"] }
 nom = { version = "7", default-features = false }
 phf = { version = "0.11", features = ["macros"], default-features = false }
 rand_xoshiro = "0.6"
+rustversion = "1.0"
 secp256k1 = { version = "0.29", default-features = false }
 serde = { version = "1.0.156", features = ["derive"], default-features = false }
 serde_json = "1"

diff --git a/stratum-v1/Cargo.toml b/stratum-v1/Cargo.toml
@@ -20,11 +20,11 @@ embedded-io-async = { workspace = true }
 faster-hex = { version = "0.10", default-features = false }
 heapless = { workspace = true, features = ["serde"] }
 log = { workspace = true, optional = true }
+rustversion = { workspace = true }
 serde = { workspace = true }
 serde-json-core = { workspace = true, features = ["custom-error-messages"] }
 
 [features]
-core-error = [] # bump MSRV to 1.81.0
 defmt-03 = [
     "dep:defmt",
     "embedded-io-async/defmt-03",

diff --git a/stratum-v1/src/error.rs b/stratum-v1/src/error.rs
@@ -73,10 +73,10 @@ pub enum Error {
     HexError(faster_hex::Error),
 }
 
-#[cfg(feature = "core-error")]
+#[rustversion::since(1.81)]
 impl core::error::Error for Error {}
 
-#[cfg(feature = "core-error")]
+#[rustversion::since(1.81)]
 impl core::fmt::Display for Error {
     fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
         write!(f, "{self:?}")