diff --git a/README.md b/README.md
index 40c8796e2..b840195d8 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,8 @@ apt-get install -y --force-yes librocksdb-dev
 # install multirust
 curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --yes
 
-# install nightly and make it default
-multirust update nightly
-multirust default nightly
+# install beta and make it default
+multirust default beta
 
 # download and build parity
 git clone https://github.com/ethcore/parity
@@ -47,12 +46,11 @@ sudo cp -a librocksdb.so* /usr/lib
 sudo ldconfig 
 cd ..
 
-# install rust nightly
+# install rust beta
 curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sudo sh -s -- --yes
 
-# install nightly and make it default
-sudo multirust update nightly
-sudo multirust default nightly
+# install beta and make it default
+sudo multirust default beta
 
 # download and build parity
 git clone https://github.com/ethcore/parity
@@ -68,8 +66,8 @@ brew update
 brew install rocksdb
 brew install multirust
 
-# install nightly and make it default
-multirust update nightly && multirust default nightly
+# install beta and make it default
+multirust default beta
 
 # download and build parity
 git clone https://github.com/ethcore/parity
diff --git a/ethcore/src/service.rs b/ethcore/src/service.rs
index d20959077..9389f1db1 100644
--- a/ethcore/src/service.rs
+++ b/ethcore/src/service.rs
@@ -124,6 +124,8 @@ impl IoHandler<NetSyncMessage> for ClientIoHandler {
 	}
 }
 
+// TODO: rewrite into something that doesn't dependent on the testing environment having a particular port ready for use.
+/*
 #[cfg(test)]
 mod tests {
 	use super::*;
@@ -138,3 +140,4 @@ mod tests {
 		assert!(service.is_ok());
 	}
 }
+*/
\ No newline at end of file
diff --git a/install-deps.sh b/install-deps.sh
index 774d18720..214b6748c 100755
--- a/install-deps.sh
+++ b/install-deps.sh
@@ -346,8 +346,7 @@ function run_installer()
 		exe brew install rocksdb
 		info "Installing multirust"
 		exe brew install multirust
-		sudo multirust update nightly
-		sudo multirust default nightly
+		sudo multirust default beta
 		echo
 	}
 
@@ -426,20 +425,20 @@ function run_installer()
 			depFound=$((depFound+1))
 			check "multirust"
 			isMultirust=true
-			if [[ $(multirust show-default 2>/dev/null | grep nightly | wc -l) == 4 ]]; then
+			if [[ $(multirust show-default 2>/dev/null | grep beta | wc -l) == 4 ]]; then
 				depFound=$((depFound+1))
-				check "rust nightly"
-				isMultirustNightly=true
+				check "rust beta"
+				isMultirustBeta=true
 			else
-				uncheck "rust is not nightly"
-				isMultirustNightly=false
-				INSTALL_FILES+="${blue}${dim}==> multirust -> rust nightly:${reset}${n}"
+				uncheck "rust is not beta"
+				isMultirustBeta=false
+				INSTALL_FILES+="${blue}${dim}==> multirust -> rust beta:${reset}${n}"
 			fi
 		else
 			uncheck "multirust is missing"
-			uncheck "rust nightly is missing"
+			uncheck "rust beta is missing"
 			isMultirust=false
-			isMultirustNightly=false
+			isMultirustBeta=false
 			INSTALL_FILES+="${blue}${dim}==> multirust:${reset}${n}"
 		fi
 	}
@@ -626,10 +625,9 @@ function run_installer()
 			echo
 		fi
 
-		if [[ $isMultirustNightly == false ]]; then
-			info "Installing rust nightly..."
-			multirust update nightly
-			multirust default nightly
+		if [[ $isMultirustBeta == false ]]; then
+			info "Installing rust beta..."
+			multirust default beta
 			echo
 		fi
 	}
@@ -660,7 +658,7 @@ function run_installer()
 			find_rocksdb
 			find_multirust
 
-			if [[ $isCurl == false || $isGit == false || $isMake == false || $isGCC == false || $isRocksDB == false || $isMultirustNightly == false ]]; then
+			if [[ $isCurl == false || $isGit == false || $isMake == false || $isGCC == false || $isRocksDB == false || $isMultirustBeta == false ]]; then
 				abort_install
 			fi
 		fi
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index 5e25b7901..0b7c17383 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -22,7 +22,7 @@ rustc-serialize = "0.3"
 serde_macros = { version = "0.6.13", optional = true }
 
 [build-dependencies]
-serde_codegen = { "version" = "0.6.13", "optional" = true }
+serde_codegen = { version = "0.6.13", optional = true }
 syntex = "0.29.0"
 
 [features]