A file has been added to the lookaside cache for mercurial: 22eac5602d777f9601e23700e641503f mercurial-1.5.1.tar.gz OK, so why: http://koji.fedoraproject.org/koji/getfile?taskID=2095322&name=build.log says: error: File /builddir/build/SOURCES/mercurial-1.5.1.tar.gz: No such file or directory