these 11 derivations will be built:
  /nix/store/h2v25fhnnscjkyl02wcbjb52cswddhlm-unit-harmonia-gc.service.drv
  /nix/store/8fdh21w83ayc7rppibkl59mcx3cggm16-system-units.drv
  /nix/store/x06ghfc7xpswvgfv5xcf6a04ln50rsp2-etc.drv
  /nix/store/zlzpr8dpxalcixypicmpkscdllrrnb4k-activate.drv
  /nix/store/kj9ahkicw7508vr3w55arfljxvkfrjf0-nixos-system-machine-test.drv
  /nix/store/azd5b70p1ickr59ycbzmpkn2q9cm54pn-closure-info.drv
  /nix/store/0impzkgzrq23mi1rxc5hk83x3wvfn0sx-run-nixos-vm.drv
  /nix/store/5ns6s5l6kx4nq54h2596c4zs3v3zarm6-nixos-vm.drv
  /nix/store/91fhhx16zdzhzgdi8m8ll9cl3lilbg6i-driverConfiguration.json.drv
  /nix/store/7hf877qrypjz4y0gwnp7ipzkgfvj3l6a-nixos-test-driver-gc.drv
  /nix/store/4ica3rksg8142lkq86zx26w60dkh6lxz-vm-test-run-gc.drv
building '/nix/store/h2v25fhnnscjkyl02wcbjb52cswddhlm-unit-harmonia-gc.service.drv'
unit-harmonia-gc.service> tribuchet: building on jamie
unit-harmonia-gc.service> structuredAttrs is enabled
building '/nix/store/8fdh21w83ayc7rppibkl59mcx3cggm16-system-units.drv'
system-units> tribuchet: building on jamie