diff --git a/cache/CacheIO.scala b/cache/CacheIO.scala
index dad9bd467..ac698c24e 100644
--- a/cache/CacheIO.scala
+++ b/cache/CacheIO.scala
@@ -24,7 +24,7 @@ object CacheIO
 		fromFile[T](file) getOrElse default
 	def fromFile[T](file: File)(implicit format: Format[T], mf: Manifest[Format[T]]): Option[T] =
 		try { Some( Operations.fromFile(file)(stampedFormat(format)) ) }
-		catch { case e: FileNotFoundException => None }
+		catch { case e: Exception => None }
 		
 	def toFile[T](format: Format[T])(value: T)(file: File)(implicit mf: Manifest[Format[T]]): Unit =
 		toFile(value)(file)(format, mf)
diff --git a/cache/FileInfo.scala b/cache/FileInfo.scala
index ae626b827..e4706c1fa 100644
--- a/cache/FileInfo.scala
+++ b/cache/FileInfo.scala
@@ -46,7 +46,7 @@ object FileInfo
 		implicit val format: Format[F]
 		import Cache._
 		implicit def fileInfoEquiv: Equiv[F] = defaultEquiv
-		implicit def infoInputCache: InputCache[F] = basicInput
+		def infoInputCache: InputCache[F] = basicInput
 		implicit def fileInputCache: InputCache[File] = wrapIn[File,F]
 	}
 	object full extends Style
@@ -95,7 +95,7 @@ object FilesInfo
 		val manifest: Manifest[Format[FilesInfo[F]]]
 		def empty: FilesInfo[F] = new FilesInfo[F](Set.empty)
 		import Cache._
-		implicit def infosInputCache: InputCache[FilesInfo[F]] = basicInput
+		def infosInputCache: InputCache[FilesInfo[F]] = basicInput
 		implicit def filesInputCache: InputCache[Set[File]] = wrapIn[Set[File],FilesInfo[F]]
 		implicit def filesInfoEquiv: Equiv[FilesInfo[F]] = defaultEquiv
 	}
@@ -112,4 +112,9 @@ object FilesInfo
 	lazy val hash: Style { type F = HashFileInfo } = new BasicStyle(FileInfo.hash)
 	lazy val lastModified: Style { type F = ModifiedFileInfo } = new BasicStyle(FileInfo.lastModified)
 	lazy val exists: Style { type F = PlainFileInfo } = new BasicStyle(FileInfo.exists)
+
+	implicit def existsInputsCache: InputCache[FilesInfo[PlainFileInfo]] = exists.infosInputCache
+	implicit def hashInputsCache: InputCache[FilesInfo[HashFileInfo]] = hash.infosInputCache
+	implicit def modifiedInputsCache: InputCache[FilesInfo[ModifiedFileInfo]] = lastModified.infosInputCache
+	implicit def fullInputsCache: InputCache[FilesInfo[HashModifiedFileInfo]] = full.infosInputCache
 }
\ No newline at end of file
diff --git a/cache/tracking/Tracked.scala b/cache/tracking/Tracked.scala
index 1add819f4..10b37101f 100644
--- a/cache/tracking/Tracked.scala
+++ b/cache/tracking/Tracked.scala
@@ -3,7 +3,7 @@
  */
 package sbt
 
-import java.io.{File,IOException}
+import java.io.File
 import CacheIO.{fromFile, toFile}
 import sbinary.{Format, JavaIO}
 import scala.reflect.Manifest
@@ -120,7 +120,7 @@ class Changed[O](val cacheFile: File)(implicit equiv: Equiv[O], format: Format[O
 				stream => equiv.equiv(value, format.reads(stream))
 			}
 		} catch {
-			case _: IOException => false
+			case _: Exception => false
 		}
 }
 object Difference