these 15 derivations will be built:
  /nix/store/7y6vfjpixsd205ncc8pcb7ngj6sn4mhq-boot.json.drv
  /nix/store/7wn09fdfd2j3ryrmp4pqqhyc9pr1fccn-unit-nix-daemon.service.drv
  /nix/store/4kb30w6wcir3bgzy8symj5f754yn0pfm-system-units.drv
  /nix/store/810g5nnjd8q834qsamni0af8w6m1mzcl-generator-shared-generator.drv
  /nix/store/zj1wxszrakkm0161nmjmcmg623bldxfx-generator-test-generator.drv
  /nix/store/8f6wfby5a7lzs478156i38k5drqfi7y1-vars-check-nixos-test-age-backend.drv
  /nix/store/ff634wi89jigmqkylkf32qzhvxllydld-etc.drv
  /nix/store/cwvj571hb8dqxwqghab1aq3b92bdjs7k-activate.drv
  /nix/store/bjdksg97a7vini70n6lvirkbg5gpzzni-nixos-system-machine-test.drv
  /nix/store/7634hkmyabh1298a8g75bb72cznb35a8-closure-info.drv
  /nix/store/x6pvy6hf2bpnba5amrjhjcqk1dswzvjg-run-nixos-vm.drv
  /nix/store/fh5faxw3j5nakc5qlm51c0pv0mjrd967-nixos-vm.drv
  /nix/store/kka6s7hqcch0ygzr7bwqz2w4i6c1wg38-driverConfiguration.json.drv
  /nix/store/4fpg9k460nq1gi12kk7257xk5rzcfw7a-nixos-test-driver-nixos-test-age-backend.drv
  /nix/store/1pv0my7s2pvb9xylc16wqj9l0hgbzln6-vm-test-run-nixos-test-age-backend.drv
building '/nix/store/7y6vfjpixsd205ncc8pcb7ngj6sn4mhq-boot.json.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/7wn09fdfd2j3ryrmp4pqqhyc9pr1fccn-unit-nix-daemon.service.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/810g5nnjd8q834qsamni0af8w6m1mzcl-generator-shared-generator.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/zj1wxszrakkm0161nmjmcmg623bldxfx-generator-test-generator.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/7wn09fdfd2j3ryrmp4pqqhyc9pr1fccn-unit-nix-daemon.service.drv'
unit-nix-daemon.service> structuredAttrs is enabled
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
building '/nix/store/7y6vfjpixsd205ncc8pcb7ngj6sn4mhq-boot.json.drv'
building '/nix/store/4kb30w6wcir3bgzy8symj5f754yn0pfm-system-units.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/810g5nnjd8q834qsamni0af8w6m1mzcl-generator-shared-generator.drv'
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy