message: fix toml line wrap.
diff: @@ -63,15 +63,7 @@ std = [
  "thiserror",
  "num/std",
  ]
  -no-std = [
  - "base16/alloc",
  - "hex/alloc",
  - "serde/alloc",
  - "serde_json/alloc",
  - "serde_bytes/alloc",
  - "displaydoc",
  - "num/alloc",
  -]
  +no-std = ["base16/alloc", "hex/alloc", "serde/alloc", "serde_json/alloc", "serde_bytes/alloc", "displaydoc", "num/alloc"]
  gens = ["std", "proptest/std"]
  [[bench]]
  