unable to upgrade 2.0.0 node to 2.1

2.1.0-709-rel <manifest><remote name="couchbase" fetch=" git://github.com/couchbase/ "/><remote name="membase" fetch=" git://github.com/membase/ "/><remote name="apache" fetch=" git://github.com/apache/ "/><remote name="erlang" fetch=" git://github.com/erlang/ "/><default remote="couchbase" revision="master"/><project name="tlm" path="tlm" revision="cfca047718129f9ebc1af25ba8fc3e1fe7ad2943"><copyfile src="Makefile.top" dest="Makefile"/></project><project name="bucket_engine" path="bucket_engine" revision="2a797a8d97f421587cce728f2e6aa2cd42c8fa26"/><project name="ep-engine" path="ep-engine" revision="714673ef67a02b51d79360477f996ae55aca2326"/><project name="libconflate" path="libconflate" revision="c0d3e26a51f25a2b020713559cb344d43ce0b06c"/><project name="libmemcached" path="libmemcached" revision="ca739a890349ac36dc79447e37da7caa9ae819f5" remote="membase"/><project name="libvbucket" path="libvbucket" revision="408057ec55da3862ab8d75b1ed25d2848afd640f"/><project name="couchbase-cli" path="couchbase-cli" revision="b5b0402ec414e4f00fca6dcb1acaa89189091bdf" remote="couchbase"/><project name="memcached" path="memcached" revision="b6ceb46fc26ac6f1d6be7a5866d6c6c0f6e6d32a" remote="membase"/><project name="moxi" path="moxi" revision="4b391021af7a453bf88716724d2c644916ebd969"/><project name="ns_server" path="ns_server" revision="a99b0e75521da7d69314dc017d9e067ebff21626"/><project name="portsigar" path="portsigar" revision="b83790af287ce20bfa5dcfce20664e871814f633"/><project name="sigar" path="sigar" revision="63a3cd1b316d2d4aa6dd31ce8fc66101b983e0b0"/><project name="couchbase-examples" path="couchbase-examples" revision="cd9c8600589a1996c1ba6dbea9ac171b937d3379"/><project name="couchbase-python-client" path="couchbase-python-client" revision="f14c0f53b633b5313eca1ef64b0f241330cf02c4"/><project name="couchdb" path="couchdb" revision="db9f48e9e25bb04b7669d57ced4e66a237db33bc"/><project name="couchdbx-app" path="couchdbx-app" revision="3aeb3f93c0a2c6eb74d87c8095346b654652e859"/><project name="couchstore" path="couchstore" revision="ee54a27968356a82d45a7dd7abd3e5bf739d1a45"/><project name="geocouch" path="geocouch" revision="02bea55b2075db97e539415cd9e999f60bf35fdf"/><project name="healthchecker" path="healthchecker" revision="a4479504712273513d78fa580fbae27d789606a1"/><project name="testrunner" path="testrunner" revision="3b28dbb2c3a4425d78a99874f68381efedff5836"/><project name="otp" path="otp" revision="b6dc1a844eab061d0a7153d46e7e68296f15a504" remote="erlang"/><project name="icu4c" path="icu4c" revision="26359393672c378f41f2103a8699c4357c894be7" remote="couchbase"/><project name="snappy" path="snappy" revision="5681dde156e9d07adbeeab79666c9a9d7a10ec95" remote="couchbase"/><project name="v8" path="v8" revision="447decb75060a106131ab4de934bcc374648e7f2" remote="couchbase"/><project name="gperftools" path="gperftools" revision="44a584d1de8c89addfb4f1d0522bdbbbed83ba48" remote="couchbase"/><project name="pysqlite" path="pysqlite" revision="0ff6e32ea05037fddef1eb41a648f2a2141009ea" remote="couchbase"/></manifest>