fix(benchmark): remove old code

It didn't compile anymore, and also probably wasn't
really testing us anyway.

Cargo.toml

@@ -1,9 +1,9 @@
 [package]
 name = "json-tools"
-version = "0.3.0"
+version = "1.0.0"
 authors = ["Sebastian Thiel <[email protected]>"]
 license = "MIT/Apache-2.0"
 description = "A collections of tools to handle json encoded data"
 repository = "https://github.com/Byron/json-tools"
 keywords = ["json", "tools", "lexer"]
-documentation = "http://byron.github.io/json-tools"
+documentation = "https://docs.rs/crate/json-tools"

benches/usage.rs

@@ -1,11 +1,11 @@
-#![feature(test, io)]
+#![feature(test)]
 
 extern crate json_tools;
 extern crate test;
 
 use json_tools::{Lexer, FilterTypedKeyValuePairs, BufferType, TokenType, 
                  TokenReader, Token, Buffer, Span};
-use std::io::{self, Read};
+use std::io;
 
 const NULL_RIDDEN: &'static str = r##"
 {
@@ -257,26 +257,3 @@ fn span_lexer_throughput_with_cursor(b: &mut test::Bencher) {
     });
     b.bytes = NULL_RIDDEN.len() as u64;
 }
-
-
-#[bench]
-fn span_lexer_throughput_with_cursor_and_tee(b: &mut test::Bencher) {
-    use std::io::{Cursor, Read};
-
-    b.iter(|| {
-        let mut keeper = Cursor::new(Vec::<u8>::new());
-        {
-          let it = Lexer::new(Cursor::new(NULL_RIDDEN.as_bytes())
-                                      .tee(&mut keeper)
-                                      .bytes()
-                                      .filter_map(|r|r.ok()),
-                              BufferType::Span);
-          for t in it {
-              test::black_box(t);
-          }
-        }
-        assert_eq!(keeper.into_inner().len(), NULL_RIDDEN.len());
-    });
-    b.bytes = NULL_RIDDEN.len() as u64;
-}
-