message: Update cargo.toml for Criterion benchmarks.
diff: @@ -37,6 +37,7 @@ crc32fast = "1.2.0"
  num-complex = "0.2.0"
  glob = "0.3"
  quickcheck = "0.9"
  +criterion = "0.3"
  [features]
  default = ["gif", "jpeg", "ico", "png", "pnm", "tga", "tiff", "webp", "bmp", "hdr", "dxt", "dds", "jpeg_rayon"]
  @@ -52,3 +53,8 @@ dds = ["dxt"]
  jpeg_rayon = ["jpeg/rayon"]
  benchmarks = []
  +
  +[[bench]]
  +path = "bench/bmp.rs"
  +name = "BMPEncoder"
  +harness = false
  