printSlaveReplicationInfo() appears broken in master

$ mongo

MongoDB shell version: 2.8.0-rc6-pre-

connecting to: test

Server has startup warnings:

2015-01-20T13:29:54.274-0500 I CONTROL  [initandlisten]

replset:PRIMARY> db.foo.insert({x:1})

WriteResult({ "nInserted" : 1 })

replset:PRIMARY> rs.printSlaveReplicationInfo()

source: tab:27018

        syncedTo: Tue Jan 20 2015 13:30:25 GMT-0500 (EST)

        -3630749425 secs (-1008541.51 hrs) behind the freshest member (no primary available at the moment)

source: tab:27019

        syncedTo: Tue Jan 20 2015 13:30:25 GMT-0500 (EST)

        -3630749425 secs (-1008541.51 hrs) behind the freshest member (no primary available at the moment)

replset:PRIMARY> db.serverBuildInfo()

{

        "version" : "2.8.0-rc6-pre-",

        "gitVersion" : "2b5bfa7e3799c9b4dffb38856b5d5f893a500731",

        "OpenSSLVersion" : "",

        "sysInfo" : "Linux tab 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49",

        "loaderFlags" : "-fPIC -pthread -Wl,-z,now -rdynamic",

        "compilerFlags" : "-Wnon-virtual-dtor -Woverloaded-virtual -std=c++11 -fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas -Winvalid-pch -pipe -Werror -O3 -Wno-unused-local-typedefs -Wno-unused-function -Wno-deprecated-declarations -Wno-unused-but-set-variable -Wno-missing-braces -fno-builtin-memcmp -std=c99",

        "allocator" : "tcmalloc",

        "versionArray" : [

                2,

                8,

                0,

                -4

        ],

        "javascriptEngine" : "V8",

        "bits" : 64,

        "debug" : false,

        "maxBsonObjectSize" : 16777216,

        "ok" : 1

}

replset:PRIMARY>