factor/Cargo.toml: Document feature pending a MinRustV bump
@@ -19,7 +19,7 @@ clap = { version = "2.33", features = ["wrap_help"] }
coz = { version = "0.1.3", optional = true }
num-traits = "0.2.13" # Needs at least version 0.2.13 for "OverflowingAdd"
rand = { version = "0.7", features = ["small_rng"] }
-smallvec = "1.7"
+smallvec = "1.7" # TODO(nicoo): Use `union` feature, requires Rust 1.49 or later.
uucore = { version = ">=0.0.8", package = "uucore", path = "../../uucore" }
uucore_procs = { version=">=0.0.7", package = "uucore_procs", path = "../../uucore_procs" }
