Merge pull request #1238 from lqd/update-diesel-benchmark

add `diesel-1.4.8` benchmark

Author: rylev

collector/benchmarks/README.md

@@ -27,6 +27,10 @@ They mostly consist of real-world crates.
   ensure a lot of invariants. Stresses anything related to resolving
   trait bounds, by having a lot of trait impls for a large number of different
   types.
+- **diesel-1.4.8**: A type safe SQL query builder. Utilizes the type system to
+  ensure a lot of invariants. Stresses anything related to resolving
+  trait bounds, by having a lot of trait impls for a large number of different
+  types.
 - **helloworld**: A trivial program. Gives a lower bound on compile time.
 - **html5ever**: An HTML parser. Stresses macro parsing code significantly.
 - **hyper-2**: A fairly large crate. Utilizes async/await, and used by

collector/benchmarks/diesel-1.4.8/.cargo_vcs_info.json

@@ -0,0 +1,5 @@
+{
+  "git": {
+    "sha1": "09f8bcd78e3fb634ed69c66f46695b821a5b3822"
+  }
+}

collector/benchmarks/diesel-1.4.8/0-println.patch

@@ -0,0 +1,12 @@
+diff --git a/src/query_dsl/mod.rs b/src/query_dsl/mod.rs
+index 68c1cf74..1dcd513d 100644
+--- a/src/query_dsl/mod.rs
++++ b/src/query_dsl/mod.rs
+@@ -112,6 +112,7 @@ pub trait QueryDsl: Sized {
+     where
+         Self: methods::DistinctDsl,
+     {
++        println!("testing");
+         methods::DistinctDsl::distinct(self)
+     }
+