these 43 derivations will be built:
  /nix/store/c3k9wvfixy8ls54s97dgk2v8vr3rg711-tribuchet-agent.drv
  /nix/store/4pp3lpcc2zx096phb65wp4adbzqwds8s-unit-tribuchet-agent-.service.drv
  /nix/store/sspm1prhck94cn0c7smss5b8byynbc8c-unit-tribuchet-worker.service.drv
  /nix/store/af17aiykxmyqljkr3c5fnmxncwqwdbx3-system-path.drv
  /nix/store/8pz91n7wj8qlr2zwjziwykbpqikszp61-dbus-1.drv
  /nix/store/y01qv8p6wdyyxs7yvdwzvg9dqvn90l0q-X-Restart-Triggers-dbus-broker.drv
  /nix/store/xqbjj824ryvj8xmjbb571323lkh1n7jf-unit-dbus-broker.service.drv
  /nix/store/83jggr2ivx0dsvwj54y7lkjns5m5fc92-system-units.drv
  /nix/store/8dbipnwwlc7p5642i94d6mzaj9j23zsy-tribuchet-agents.drv
  /nix/store/qpibcpph7iyv4vbk1zc04nfcb0vcndkg-system-generators.drv
  /nix/store/nddg5j8xrz2qhiw7vzp8b6h3f6hcwx4z-unit-dbus-broker.service.drv
  /nix/store/r38fhbmv1cjqvamp25svdb1cs9yj5hfb-user-units.drv
  /nix/store/98iak8xia562gbs5fgzdfslr81514mlk-etc.drv
  /nix/store/mc8w5313qxcickx9qrzwqpd7qf081fzx-activate.drv
  /nix/store/293my509yh6ar3wa8wnkrrq1ahcnnp8i-nixos-system-worker-test.drv
  /nix/store/ybgah54v0nw48n97458p0f4cxvlli319-tribuchet-e2e-0.1.0.drv
  /nix/store/hnch3qmxficr0q6cp4nzqkj90l81c1r0-string-references.drv
  /nix/store/20whv433y8z4fqi92fcc2ixhabih2m1k-closure-info.drv
  /nix/store/26h6f5cs2vc3pc5sqmk7rrvd21r6sxz9-system-path.drv
  /nix/store/dmx0dh66mr71rqa2g2plb4nvpmjqplh7-closure-info.drv
  /nix/store/2gdyldxzxm6yh5glq1wz41fbrfv8a6sw-run-nixos-vm.drv
  /nix/store/307z3pv578sdhkj4j850c2kvr7rdxy0a-test-script.drv
  /nix/store/v51ysx1nq2b519ssn6asq1vn0dfw8a0f-tribuchet-attach.drv
  /nix/store/3wb2d1vjqfdb60vvi6jsjmp9grb854q2-nix.conf.drv
  /nix/store/av30fkmgklns1rxbhiy5p65gq728ksxl-dbus-1.drv
  /nix/store/5aqfk88hj4s8qwgpnhfh69wkcznsgz4g-X-Restart-Triggers-dbus-broker.drv
  /nix/store/9i8x251vm6c4sf73zhchwn0mqcxsk74y-unit-dbus-broker.service.drv
  /nix/store/4d2cifr40088l1xvpbjy74f2625gdw49-X-Restart-Triggers-nix-daemon.drv
  /nix/store/lsq8xq267yalyvd66dladphjp9h0q8dy-unit-nix-daemon.service.drv
  /nix/store/vw4jaxgbbclams7hwvccbpyzxkdi7ncx-unit-tribuchet-hub.service.drv
  /nix/store/fx61fl3qxbnb5q209d2iczbixzma11bs-system-units.drv
  /nix/store/al2lhq05xzmsz0lji1pjvw9f4hqiwlv2-unit-dbus-broker.service.drv
  /nix/store/ryzmydsx3bkph6fj6j12ycx0g2fnbhfw-user-units.drv
  /nix/store/6v4h69kz2rgn23g3xin8nn8sras1plvn-etc.drv
  /nix/store/7zbzqc61f0vz91gg97w68yhwjkjslv1q-activate.drv
  /nix/store/3j9c8z655x6ypcm0sj5lnpyfbz8gw0bk-nixos-system-hub-test.drv
  /nix/store/f4i5pflhlv4fxkv1jrxbklq4xd0djgcg-closure-info.drv
  /nix/store/h0spipdn8dkw3qgyakw91bv7718kvkky-run-nixos-vm.drv
  /nix/store/avclkj4m7qf18iadqamy45is6lkhvd9y-nixos-vm.drv
  /nix/store/vwqg9n49v4jq2q6jzz904k71sdgc8vnn-nixos-vm.drv
  /nix/store/dz8g0schq1sj5cqzc8blwic590g378sc-driverConfiguration.json.drv
  /nix/store/khd86s959yn2585bfw2fnrhdmc0wwprg-nixos-test-driver-tribuchet-nspawn.drv
  /nix/store/rhqhjjgqsrgbg75whlfvb12ss5bp8g4l-vm-test-run-tribuchet-nspawn.drv