these 31 derivations will be built:
  /nix/store/b4859hak6dj4h9wdv0j44n4wq36w5nif-unit-nix-grpc-daemon.service.drv
  /nix/store/z8qwwarh0akh0in14hgmdbz8ig2sv4gf-nix.conf.drv
  /nix/store/7rhgrvh41s7m0bm9rkq7yxlbsl6479hb-X-Restart-Triggers-nix-daemon.drv
  /nix/store/y97lcn9i8grvbl3dd75mqn4ijyzl5v3g-unit-nix-daemon.service.drv
  /nix/store/4fwrd3zm7vx45chanhwz467hbacs7y1s-system-units.drv
  /nix/store/66cswxqcd7q6y861g73qrhiavlmmzn0n-etc.drv
  /nix/store/l9k9ncm22q2vxhp3hjp5czac6iyfpzz2-activate.drv
  /nix/store/0glml3zw3v6aqzgwgfim77qxnj78qq1d-nixos-system-worker2-test.drv
  /nix/store/2p0h7260ks7jv9r3p33zwlcw1af9psbh-nix.conf.drv
  /nix/store/bi6yy7hbgkaalgf72n750yqkcilavkcw-X-Restart-Triggers-nix-daemon.drv
  /nix/store/2sxclz53r8d05mvwf812bkpssr9qjhzy-unit-nix-daemon.service.drv
  /nix/store/b4njd3pswkzgx87rqqm7fc82wfxs852y-system-units.drv
  /nix/store/4kpa1hhjw6cqkghqwbx93v1khw5j09mw-etc.drv
  /nix/store/2m7s4g64jg1j4996fakyvhz0sq0kqv9n-activate.drv
  /nix/store/xvhssyq0yz5dl79wx8zp015pjbhkhizy-system-units.drv
  /nix/store/n7ailnd1zpb1rlnh27m0qnjyhwqcq5bh-etc.drv
  /nix/store/qmy7lvakly4zny6qrsla9gm4k9ghcw5w-activate.drv
  /nix/store/cwiakxspjv0kal5jsay2p09i3y302wcz-nixos-system-worker1-test.drv
  /nix/store/2wars79ylvfs3ah40nlbplklfn3awkm3-closure-info.drv
  /nix/store/3a7vamhysnm1xkz6mz92kjqdn284v6jh-nixos-system-client-test.drv
  /nix/store/rw5fxc8alr3dgdkyp52m97zslc1i65aq-closure-info.drv
  /nix/store/41bsn1wy0rslidvma6zl92k8mvk896bx-run-nixos-vm.drv
  /nix/store/qm64yl37r8vl5yzc39m2rp3npkql4i51-run-nixos-vm.drv
  /nix/store/5kjryjqdsjsz1ya881b66n92hkly0626-nixos-vm.drv
  /nix/store/hzk7rynrgbn9hb7hg8r31myia3hxd158-closure-info.drv
  /nix/store/6m46ap0vm0dbicr7mf1m57halqfpc2kf-run-nixos-vm.drv
  /nix/store/dy7gizvbiqdrjnikl4jjvvpbz2yv9v51-nixos-vm.drv
  /nix/store/gnkmy7q3pfgwazi2b4vpllflh6xqgm8d-nixos-vm.drv
  /nix/store/808jiiy242j7k30sz2hh46w60272w92b-driverConfiguration.json.drv
  /nix/store/qg7c539a317jlz8y3ywp5mhgdfiw1hwk-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/irm89sjz6wc2h3bp3zgpm5nmkc7gyksj-vm-test-run-nix-grpc-farm.drv
building '/nix/store/2p0h7260ks7jv9r3p33zwlcw1af9psbh-nix.conf.drv'
building '/nix/store/z8qwwarh0akh0in14hgmdbz8ig2sv4gf-nix.conf.drv'
building '/nix/store/b4859hak6dj4h9wdv0j44n4wq36w5nif-unit-nix-grpc-daemon.service.drv'
nix.conf> tribuchet: building on jamie
nix.conf> tribuchet: building on jamie
unit-nix-grpc-daemon.service> tribuchet: building on jamie
unit-nix-grpc-daemon.service> structuredAttrs is enabled
nix.conf> Validating generated nix.conf
nix.conf> Validating generated nix.conf
building '/nix/store/7rhgrvh41s7m0bm9rkq7yxlbsl6479hb-X-Restart-Triggers-nix-daemon.drv'
building '/nix/store/bi6yy7hbgkaalgf72n750yqkcilavkcw-X-Restart-Triggers-nix-daemon.drv'
X-Restart-Triggers-nix-daemon> tribuchet: building on jamie
X-Restart-Triggers-nix-daemon> tribuchet: building on jamie
building '/nix/store/y97lcn9i8grvbl3dd75mqn4ijyzl5v3g-unit-nix-daemon.service.drv'
unit-nix-daemon.service> tribuchet: building on jamie
building '/nix/store/2sxclz53r8d05mvwf812bkpssr9qjhzy-unit-nix-daemon.service.drv'
unit-nix-daemon.service> tribuchet: building on jamie
unit-nix-daemon.service> structuredAttrs is enabled
unit-nix-daemon.service> structuredAttrs is enabled
building '/nix/store/4fwrd3zm7vx45chanhwz467hbacs7y1s-system-units.drv'
building '/nix/store/xvhssyq0yz5dl79wx8zp015pjbhkhizy-system-units.drv'
system-units> tribuchet: building on jamie
system-units> tribuchet: building on jamie
building '/nix/store/b4njd3pswkzgx87rqqm7fc82wfxs852y-system-units.drv'
system-units> tribuchet: building on jamie