Upgrades dependencies to latest versions

Cargo.toml

@@ -19,7 +19,7 @@ error-chain = "0.12"
 lazy_static = "1"
 rocksdb = "0.10"
 url = "1"
-uuid = { version = "0.6", features = ["v4"] }
+uuid = { version = "0.7", features = ["v4"] }
 bzip2 = "0.3"
 byteorder = "1"
 
@@ -27,4 +27,4 @@ byteorder = "1"
 peg = "0.5"
 
 [dev-dependencies]
-reqwest = "0.8"
+reqwest = "0.9"

src/errors.rs

@@ -3,7 +3,6 @@ use std::sync::PoisonError;
 error_chain! {
     foreign_links {
         Url(::url::ParseError);
-        Uuid(::uuid::ParseError);
         RocksDB(::rocksdb::Error);
         Utf8(::std::str::Utf8Error);
         Io(::std::io::Error);

src/model/blank_node.rs

@@ -18,7 +18,7 @@ impl Deref for BlankNode {
 
 impl fmt::Display for BlankNode {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "_:{}", self.id)
+        write!(f, "_:{}", self.id.to_simple())
     }
 }
 

src/sparql/algebra.rs

@@ -31,8 +31,8 @@ impl fmt::Display for Variable {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
             Variable::Variable { name } => write!(f, "?{}", name),
-            Variable::BlankNode { id } => write!(f, "_:{}", id.simple()),
+            Variable::BlankNode { id } => write!(f, "_:{}", id.to_simple()),
-            Variable::Internal { id } => write!(f, "?{}", id.simple()),
+            Variable::Internal { id } => write!(f, "?{}", id.to_simple()),
         }
     }
 }

src/store/numeric_encoder.rs

@@ -86,7 +86,7 @@ impl<R: Read> TermReader for R {
             TYPE_BLANK_NODE_ID => {
                 let mut uuid_buffer = [0 as u8; 16];
                 self.read_exact(&mut uuid_buffer)?;
-                Ok(EncodedTerm::BlankNode(Uuid::from_bytes(&uuid_buffer)?))
+                Ok(EncodedTerm::BlankNode(Uuid::from_bytes(uuid_buffer)))
             }
             TYPE_LANG_STRING_LITERAL_ID => Ok(EncodedTerm::LangStringLiteral {
                 language_id: self.read_u64::<NetworkEndian>()?,