Update recipes

recipes/wip/benchmarks/cargo-benchcmp/recipe.toml

@@ -1,4 +1,4 @@
-#TODO Not compiled or tested
+#TODO compiled but not tested (after cargo update)
 [source]
 git = "https://github.com/BurntSushi/cargo-benchcmp"
 [build]

recipes/wip/benchmarks/glassbench/recipe.toml

@@ -2,4 +2,7 @@
 [source]
 git = "https://github.com/Canop/glassbench"
 [build]
-template = "cargo"
+template = "custom"
+script = """
+cookbook_cargo_examples lettersorter
+"""

recipes/wip/benchmarks/rpc-perf/recipe.toml

@@ -1,5 +1,8 @@
-#TODO Not compiled or tested
+#TODO make zstd work
 [source]
 git = "https://github.com/iopsystems/rpc-perf"
 [build]
 template = "cargo"
+dependencies = [
+    "zstd",
+]