chore: fix all warnings (#890)

ethers-signers/src/wallet/private_key.rs

@@ -144,8 +144,8 @@ impl FromStr for Wallet<SigningKey> {
 #[cfg(not(target_arch = "wasm32"))]
 mod tests {
     use super::*;
-    use crate::{Signer, TypedTransaction};
+    use crate::Signer;
-    use ethers_core::types::{Address, U64};
+    use ethers_core::types::Address;
     use tempfile::tempdir;
 
     #[tokio::test]
@@ -194,7 +194,8 @@ mod tests {
     #[tokio::test]
     #[cfg(not(feature = "celo"))]
     async fn signs_tx() {
-        use ethers_core::types::TransactionRequest;
+        use crate::TypedTransaction;
+        use ethers_core::types::{TransactionRequest, U64};
         // retrieved test vector from:
         // https://web3js.readthedocs.io/en/v1.2.0/web3-eth-accounts.html#eth-accounts-signtransaction
         let tx: TypedTransaction = TransactionRequest {

ethers-solc/src/cache.rs

@@ -727,6 +727,9 @@ impl<'a, T: ArtifactOutput> ArtifactsCache<'a, T> {
     }
 
     #[cfg(test)]
+    #[allow(unused)]
+    #[doc(hidden)]
+    // only useful for debugging for debugging purposes
     pub fn as_cached(&self) -> Option<&ArtifactsCacheInner<'a, T>> {
         match self {
             ArtifactsCache::Ephemeral(_, _) => None,

ethers-solc/src/compile/mod.rs

@@ -1,7 +1,7 @@
 use crate::{
     artifacts::Source,
     error::{Result, SolcError},
-    report, utils, CompilerInput, CompilerOutput,
+    utils, CompilerInput, CompilerOutput,
 };
 use semver::{Version, VersionReq};
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
@@ -423,9 +423,9 @@ impl Solc {
     #[cfg(feature = "svm")]
     pub async fn install(version: &Version) -> std::result::Result<(), svm::SolcVmError> {
         tracing::trace!("installing solc version \"{}\"", version);
-        report::solc_installation_start(version);
+        crate::report::solc_installation_start(version);
         let result = svm::install(version).await;
-        report::solc_installation_success(version);
+        crate::report::solc_installation_success(version);
         result
     }
 
@@ -433,9 +433,9 @@ impl Solc {
     #[cfg(all(feature = "svm", feature = "async"))]
     pub fn blocking_install(version: &Version) -> std::result::Result<(), svm::SolcVmError> {
         tracing::trace!("blocking installing solc version \"{}\"", version);
-        report::solc_installation_start(version);
+        crate::report::solc_installation_start(version);
         tokio::runtime::Runtime::new().unwrap().block_on(svm::install(version))?;
-        report::solc_installation_success(version);
+        crate::report::solc_installation_success(version);
         Ok(())
     }
 

ethers-solc/src/lib.rs

@@ -571,11 +571,11 @@ impl<Artifacts: ArtifactOutput> ArtifactOutput for Project<Artifacts> {
 }
 
 #[cfg(test)]
+#[cfg(all(feature = "svm", feature = "async"))]
 mod tests {
     use crate::remappings::Remapping;
 
     #[test]
-    #[cfg(all(feature = "svm", feature = "async"))]
     fn test_build_all_versions() {
         use super::*;
 
@@ -593,7 +593,6 @@ mod tests {
     }
 
     #[test]
-    #[cfg(all(feature = "svm", feature = "async"))]
     fn test_build_many_libs() {
         use super::*;
 
@@ -625,7 +624,6 @@ mod tests {
     }
 
     #[test]
-    #[cfg(all(feature = "svm", feature = "async"))]
     fn test_build_remappings() {
         use super::*;
 

ethers-solc/src/report.rs

@@ -75,10 +75,12 @@ pub(crate) fn solc_success(solc: &Solc, version: &Version, output: &CompilerOutp
     with_global(|r| r.reporter.on_solc_success(solc, version, output));
 }
 
+#[allow(unused)]
 pub(crate) fn solc_installation_start(version: &Version) {
     with_global(|r| r.reporter.on_solc_installation_start(version));
 }
 
+#[allow(unused)]
 pub(crate) fn solc_installation_success(version: &Version) {
     with_global(|r| r.reporter.on_solc_installation_success(version));
 }