[play211app] $ compile
compile
[info] Compiling 1 Scala source to /path/play211app/target/scala-2.10/classes...
[info] Compiling 9 Scala sources and 1 Java source to /path/play211app/target/scala-2.10/classes...
[warn] there were 3 feature warnings; re-run with -feature for details
[warn] one warning found
[success] Total time: 9 s, completed Jul 30, 2013 11:54:07 AM

[play211app] $ compile -feature
compile -feature
[error] Expected end of input.
[error] compile -feature
[error]        ^
[play211app] $ compile
compile
[success] Total time: 0 s, completed Jul 30, 2013 11:58:17 AM