these 22 derivations will be built:
  /nix/store/6xhdi3bca5r8mbdnzaslqzwfadsz5bc4-unit-postgresql.service.drv
  /nix/store/01d2x9hfd65sdawfq7zkf2zmyiljf1xl-system-units.drv
  /nix/store/w8q0jfg01hrxhd1hb8lacjdf4rj2m35c-unit-postgresql.service.drv
  /nix/store/9ldy78rd8npyc6kp5siih1z4gmzmrmy6-system-units.drv
  /nix/store/0c6s6ryb35w287ms04cjp2vykvc3dcsw-etc.drv
  /nix/store/0l23byrhsriywgnkqrs5v3f7cc29wa94-unit-dbus.service.drv
  /nix/store/xaic96b13f5ib3bj053nnr4642x19wvm-unit-postgresql.service.drv
  /nix/store/2wg1d4jycys4jy57vjh2xrmjjwm5dr44-system-units.drv
  /nix/store/1p3fs4gpcn940ndz1yvva356ggwnwkpa-unit-dbus.service.drv
  /nix/store/85h5qah6i369q4ajdsw14wj51qlg1214-user-units.drv
  /nix/store/y072pc2b7k6vjcldb9chl6nb6dnhr1c9-etc.drv
  /nix/store/779kn9iav2ydlzl7cfjxc5b5bdj8n3yh-activate.drv
  /nix/store/0lcx5wn5xld9vlmpxl63bpzvjibl3zfm-nixos-system-server-test.drv
  /nix/store/zg01b2q2qnhcnjsikvh5ra05fbjb2a5c-etc.drv
  /nix/store/k88g7812dvxqxqgpvwzsnanirgh1vgl9-nixos-system-server-test.drv
  /nix/store/sz3llf2l3ql6a0gzk95syp3k8na2b6nh-activate.drv
  /nix/store/ggz9wscrj600ls4v7nl0xdrhp84cdjwd-nixos-system-server-test.drv
  /nix/store/jyp68wwm7rkhjdk90yp6sz1yviiq4hk6-closure-info.drv
  /nix/store/8850jrb1q58h7lm9psx8bqaim6hyaysx-run-nixos-vm.drv
  /nix/store/dfv2gnkkd86sm86ql35al8nwy4h17dm2-nixos-vm.drv
  /nix/store/0ddg08n9xkyw6mnjrls1iai7i8w5xd41-nixos-test-driver-pgroonga.drv
  /nix/store/20azip0g87f38w6n063yawfc4fsm2pk0-vm-test-run-pgroonga.drv
these 4 paths will be fetched (13.9 KiB download, 135.5 KiB unpacked):
  /nix/store/rclqfmv57c6bwshp5gw09f580cbp69i6-activate
  /nix/store/d7dh5wzazvjw6mlvpkdygya6nfgwdp7k-etc
  /nix/store/62l00d25yxm16mzwv7pil0apwmyi5zzq-system-units
  /nix/store/zwz26glibkyss8x02a4nc5v72b3xfx3w-unit-postgresql.service