this derivation will be built:
  /nix/store/ggyxmlhrw6cvj17rc25sn15p0rj0hv1m-u001-unstable-2016-08-01.drv
building '/nix/store/ggyxmlhrw6cvj17rc25sn15p0rj0hv1m-u001-unstable-2016-08-01.drv'
u001-unstable-2016-08-01> unpacking sources
u001-unstable-2016-08-01> unpacking source archive /nix/store/fg9b82031692gnzp4hqggg0xlbqj8v4n-source
u001-unstable-2016-08-01> source root is source
u001-unstable-2016-08-01> patching sources
u001-unstable-2016-08-01> configuring
u001-unstable-2016-08-01> no configure script, doing nothing
u001-unstable-2016-08-01> installing
u001-unstable-2016-08-01> post-installation fixup
u001-unstable-2016-08-01> shrinking RPATHs of ELF executables and libraries in /nix/store/hmskaix20b7i7frqxwiry5xrgsd9jqdy-u001-unstable-2016-08-01
u001-unstable-2016-08-01> patching script interpreter paths in /nix/store/hmskaix20b7i7frqxwiry5xrgsd9jqdy-u001-unstable-2016-08-01
u001-unstable-2016-08-01> checking for references to /build/ in /nix/store/hmskaix20b7i7frqxwiry5xrgsd9jqdy-u001-unstable-2016-08-01...

upload niks3: ok