these 8 derivations will be built:
  /nix/store/sfdqpgb2xarjbf6nfwqcng5awaj3wpin-system-units.drv
  /nix/store/f41zjq28l8076fpg9s7plw8ymg6bcq8x-etc.drv
  /nix/store/7c6fdx8jm4q14r5jyf9raq8dpf3nrknf-nixos-system-server-test.drv
  /nix/store/w96bhpw4y3x1vzgy6nyqyifla9cmc3sm-system-units.drv
  /nix/store/ybp697m8096qzrzdnxn59a9jilmd8fvp-etc.drv
  /nix/store/pwi5mg1kzw14f7byk6c286jak2q8nw2z-nixos-system-server-test.drv
  /nix/store/7cci7ismhmqq9gnalkxcl7gshgbd3mwa-nixos-test-driver-pgroonga.drv
  /nix/store/23l1f3sw2szx3g9gcblxchq4vpazlrn8-vm-test-run-pgroonga.drv
these 11 paths will be fetched (118.1 KiB download, 773.4 KiB unpacked):
  /nix/store/dzynlzr5axhx64a5k4i08yqpwynkvvvi-activate
  /nix/store/qs38xcqmklicvla6pl309q79g1fmgbyp-activate
  /nix/store/qbijbgqqrll9hdcxj2dqdwb4qad3qys5-closure-info
  /nix/store/1qbm7svqksanhl7y64ydn33scg3vadkq-etc
  /nix/store/sfdjpqzm8p5i2gi2szgy5daq4y8h642j-etc
  /nix/store/aji8vxigi4a37xgwpjiafqklr98lzx9q-nixos-system-server-test
  /nix/store/x2vk8ny1n6x2k85r1xxk18nwvbyl69ra-nixos-system-server-test
  /nix/store/h62w5q7qi1c5jkv31gdq9pc7vj9j5wvg-nixos-vm
  /nix/store/py76vzhay4rrf2dsrlva2hkj45dvqns6-run-nixos-vm
  /nix/store/i5z7p2d6wmbsqb0j54mlyilfk4021idl-system-units
  /nix/store/llzi51c4ny6ig7y8y80wr8x9f1symxka-system-units