I am getting the same errors when compiling data from J 1.51 w/ EC 2.0 to Compile for 1.0+.
Error deleting ../administrator/components/com_export_content/zip/
import_content_data.zipError deleting ../administrator/components/com_export_content/new_version/
import_content_data.zipError deleting ../administrator/components/com_export_content/new_version/
install.mysql.utf.sqlError deleting ../administrator/components/com_export_content/new_version/
install.mysql.nonutf8.sql
It compiles fine for 1.5, i have also changed permissions on zip to 777...