these 31 derivations will be built:
  /nix/store/zdy10nd4pg382yqwri8ry37iqy52zhnx-greet-world.drv
  /nix/store/ipmqnr1x55z0ffr2m9swf6xks5dqc6r2-system-path.drv
  /nix/store/kndmczg22mzyffdb5d21vc8s4hgsrblv-dbus-1.drv
  /nix/store/0zfdp4p32l9cyd6k2m19d0higd6zqrxd-X-Restart-Triggers-dbus-broker.drv
  /nix/store/2zlf4s25sav8lgsz0a1sp27kybsn90sh-unit-dbus-broker.service.drv
  /nix/store/v0svd8klz8fqjjdn84bi6vdrk7bqsvd9-greet-world.drv
  /nix/store/fhj09q2vxc0a1gmywg8c6zjfyzzrl6sw-system-path.drv
  /nix/store/4c2097as19b56q8vd0kg3m5sqxawgvnw-dbus-1.drv
  /nix/store/k4gbjsrbfwqk7qa0vv3kysq0whyd2irz-X-Restart-Triggers-dbus-broker.drv
  /nix/store/fcwc3b68xlgzg0ifjmza1c0pjkh1y2cc-unit-dbus-broker.service.drv
  /nix/store/359205x8ldy1rqiplfg0b5rfag4l0r2c-system-units.drv
  /nix/store/f7m8nq7fipc7l8q8qsib5kqsyxrd9a8k-unit-dbus-broker.service.drv
  /nix/store/8knwnpcz8x05h2ckdx0i2pb92jp8qr18-user-units.drv
  /nix/store/bfvibcd5s9w31xn5sfprmc0nrmhxky23-vars-check-hello-service.drv
  /nix/store/ms3i4kc0dibrgb8gi004k5a90h5l6491-extra-hosts.drv
  /nix/store/bldl1h3r03ihvx3ijnm7n5lxwfrcp6lm-hosts.drv
  /nix/store/db9ickdjhlp1mn5k2sb4cjxk6cfxyp90-fontconfig-etc.drv
  /nix/store/kqhfbk3g09l8acimn8n0hl6nds512732-etc.drv
  /nix/store/8b7gc1z7w1gzfgcw6g7phsij225gnl0z-activate.drv
  /nix/store/35gcz4r6019cs6sav1rhf8pkz2klsm1h-nixos-system-peer2-test.drv
  /nix/store/5vcjm6dnabzakrmv8kxb5862pxnqrash-closure-info.drv
  /nix/store/fdkzkjiphyhv42fcx2h3fc1034j9fpr1-hosts.drv
  /nix/store/k45qviyy4nqqvb586sjl5jbh8zfkx413-unit-dbus-broker.service.drv
  /nix/store/g7jlz5xpcszdblhfqzbnfj4850hajgr6-system-units.drv
  /nix/store/y0x026h5pag9xq1hmvm8rhz6b24h56vn-user-units.drv
  /nix/store/qwkml9jv5gj7lb8aiiqib0yxckcd2d3l-etc.drv
  /nix/store/ab7fmz2cjvak96f1crxbx6z4325bb3a5-activate.drv
  /nix/store/g20ybjgm90801qhzihkrcv8rjb8c3xwn-nixos-system-peer1-test.drv
  /nix/store/ynnzr63hpss7h30fskxd040x0pp0mb2y-closure-info.drv
  /nix/store/wmdagjqf7gd9c4mw5ncrwd6llfz25640-nixos-test-driver-hello-service.drv
  /nix/store/ni05g4f3iyp7z5d71ial47dkrk98rzls-container-test-run-hello-service.drv
these 2 paths will be fetched (1.3 KiB download, 9.6 KiB unpacked):
  /nix/store/s1wj0b1gybm1v3w8sxbr139p4g42gw79-fc-00-nixos-cache.conf
  /nix/store/dm5iw56fha7568kaypnn64s1bwdgcyxd-fontconfig-conf
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy