this derivation will be built: /nix/store/rb68sxywhps1a73841yd2asn57x9faw5-u001-unstable-2016-08-01.drv building '/nix/store/rb68sxywhps1a73841yd2asn57x9faw5-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/pbh0x3qgs62bq3dbk660i3pas2jaf2sz-u001-unstable-2016-08-01 u001-unstable-2016-08-01> patching script interpreter paths in /nix/store/pbh0x3qgs62bq3dbk660i3pas2jaf2sz-u001-unstable-2016-08-01 u001-unstable-2016-08-01> checking for references to /build/ in /nix/store/pbh0x3qgs62bq3dbk660i3pas2jaf2sz-u001-unstable-2016-08-01... upload niks3: ok