these 11 derivations will be built:
  /nix/store/v9q8g3wgd0wz1qamvn72g0jqbbc1k365-unit-harmonia-dev.service.drv
  /nix/store/ar2zyqdjvc37kvh69pm70qr7izmw5c4x-system-units.drv
  /nix/store/c6wmqs8v5n172p1bjaqc4x3sx9zsqfk0-etc.drv
  /nix/store/lacr9v120pvh426r8ciz6klbwni9ynn3-activate.drv
  /nix/store/db0mx2lmw5q32dmj0q89sdqci0sjm8ja-nixos-system-harmonia-test.drv
  /nix/store/bpwl7wx1ghknqcba7iijbwhhkhznkavp-closure-info.drv
  /nix/store/5w1b0jsmib462ld8b0ivrli69nagyicc-run-nixos-vm.drv
  /nix/store/z2nnnskkrq6wmd3gajawx5zm4zghmy34-nixos-vm.drv
  /nix/store/wnawa1kjq0l8ckmmnl3gks6jv759rry5-driverConfiguration.json.drv
  /nix/store/6c28igd3gs8swzr0a7wk5hxj9lr12wqk-nixos-test-driver-basic.drv
  /nix/store/pp6plyvp7b81smcnfylhs6vgmbrfbj5l-vm-test-run-basic.drv
building '/nix/store/ar2zyqdjvc37kvh69pm70qr7izmw5c4x-system-units.drv'
system-units> tribuchet: building on jamie