AppVeyor R-devel nightly snapshot off pending #2820.
AppVeyor R-devel nightly snapshot off pending #2820.

jangorecki/data.table,vlulla/data.table,vlulla/data.table,Rdatatable/data.table,Rdatatable/data.table,jangorecki/data.table,vlulla/data.table,Rdatatable/data.table,jangorecki/data.table,Rdatatable/data.table,vlulla/data.table,jangorecki/data.table