Use insta-cmd for benchmark report snapshots

Cargo.lock

@@ -412,6 +412,7 @@ dependencies = [
  "csv",
  "indicatif",
  "insta",
+ "insta-cmd",
  "libc",
  "nix",
  "once_cell",
@@ -458,11 +459,24 @@ checksum = "86f0f8fee8c926415c58d6ae43a08523a26faccb2323f5e6b644fe7dd4ef6b82"
 dependencies = [
  "console 0.16.6",
  "once_cell",
+ "regex",
  "serde",
  "similar",
+ "strip-ansi-escapes",
  "tempfile",
 ]
 
+[[package]]
+name = "insta-cmd"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bffdf4af1db390cf0401535d7c1303cd079a074d28d8473b026fdb6559c41403"
+dependencies = [
+ "insta",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.13"
@@ -1024,6 +1038,15 @@ dependencies = [
  "rand 0.6.5",
 ]
 
+[[package]]
+name = "strip-ansi-escapes"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a8f8038e7e7969abb3f1b7c2a811225e9296da208539e0f79c5251d6cac0025"
+dependencies = [
+ "vte",
+]
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
@@ -1155,6 +1178,15 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "vte"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "231fdcd7ef3037e8330d8e17e61011a2c244126acc0a982f4040ac3f9f0bc077"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "wait-timeout"
 version = "0.2.1"