these 25 derivations will be built:
  /nix/store/ixpwc51dg8zqrchlrvydi7wl6grsl3xn-tribuchet-attach.drv
  /nix/store/dn2rcan1hvdiyxg009z0abpggdj1z6aw-nix.conf.drv
  /nix/store/k6y70hnbclqmjkl1m3f03w0lzg6wma2b-X-Restart-Triggers-nix-daemon.drv
  /nix/store/20qv20l6407pbrzibjy3li5yvwrm48lx-unit-nix-daemon.service.drv
  /nix/store/4jci9dz7qmwdyxrlshdpppriz9rj57jm-unit-tribuchet-hub.service.drv
  /nix/store/ydb2r76c8iiha84cx4qgx4cn2c0c3fr4-system-units.drv
  /nix/store/zvbl35z6yh3il35wq90bqmacd2rp8dnz-etc.drv
  /nix/store/a2mgrjv8jf8rggy5zp9bccn5x71xzhfc-activate.drv
  /nix/store/a394fvxcjijs4s90hmp1p8kd4j1ivfz6-nixos-system-hub-test.drv
  /nix/store/x08sx12l1ygb2fn7kvi5jsr5n5rj9ljb-closure-info.drv
  /nix/store/i9yyr1b6z09biz8a8ipfhs8blyycj8ww-run-nixos-vm.drv
  /nix/store/jbjhdxxsq7flyr27cf2lr4ql286isp11-nixos-vm.drv
  /nix/store/gh9rqgmzngcvvydvr9v7z09c408b6hqc-unit-tribuchet-worker.service.drv
  /nix/store/nq8y4nksf6lpv5ccx0w52p2fv5mc45dq-unit-tribuchet-sandboxd.service.drv
  /nix/store/64mxhz2f2m7nbahq018c2wnbv0kw5w97-system-units.drv
  /nix/store/hc1ppmcyb6vw449xq0fmwy1hffh4h8lj-etc.drv
  /nix/store/2zzqi80m1w6qi8bzzzl3ny24hlycf393-activate.drv
  /nix/store/6sxs84902jcfsaav00sjc6wlcin4vv8c-nixos-system-worker-test.drv
  /nix/store/k5h9mn77j7md1w3wlx88a1f4ynl0h1kl-closure-info.drv
  /nix/store/z36zqviayb9mvimxs11k49fwgm79qfn1-closure-info.drv
  /nix/store/694nqwwmvhsw5b5nx8ni75pp1zydzhz4-run-nixos-vm.drv
  /nix/store/m86bwq0vhjm69zn7hslwqx9wwvkss2dg-nixos-vm.drv
  /nix/store/qirrv1qlj5896asbhmdx4q8bass9f7wf-driverConfiguration.json.drv
  /nix/store/0kiv6kcqkw6vma0rzdcnpfjk256fhyhc-nixos-test-driver-tribuchet-tailscale.drv
  /nix/store/1lli69x88cxp9v869prph1cif796n90c-vm-test-run-tribuchet-tailscale.drv
building '/nix/store/ixpwc51dg8zqrchlrvydi7wl6grsl3xn-tribuchet-attach.drv'
building '/nix/store/4jci9dz7qmwdyxrlshdpppriz9rj57jm-unit-tribuchet-hub.service.drv'
building '/nix/store/nq8y4nksf6lpv5ccx0w52p2fv5mc45dq-unit-tribuchet-sandboxd.service.drv'
building '/nix/store/gh9rqgmzngcvvydvr9v7z09c408b6hqc-unit-tribuchet-worker.service.drv'
tribuchet-attach> tribuchet: building on jamie
unit-tribuchet-hub.service> tribuchet: building on jamie
unit-tribuchet-sandboxd.service> tribuchet: building on jamie
unit-tribuchet-worker.service> tribuchet: building on jamie
unit-tribuchet-hub.service> structuredAttrs is enabled
tribuchet-attach> mv: cannot remove '/build/.attr-1lf969yddshzhld7sr1vbagr07bnygg99lgl6gk5kxcnp4z9wbcq': Operation not permitted
error: Cannot build '/nix/store/ixpwc51dg8zqrchlrvydi7wl6grsl3xn-tribuchet-attach.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/226wwk791y6kcjl4vyjd3kmqq3v2al30-tribuchet-attach
       Last 2 log lines:
       > tribuchet: building on jamie
       > mv: cannot remove '/build/.attr-1lf969yddshzhld7sr1vbagr07bnygg99lgl6gk5kxcnp4z9wbcq': Operation not permitted
       For full logs, run:
         nix log /nix/store/ixpwc51dg8zqrchlrvydi7wl6grsl3xn-tribuchet-attach.drv
error: Cannot build '/nix/store/dn2rcan1hvdiyxg009z0abpggdj1z6aw-nix.conf.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/fydcvw2ybw7q6sbwxvb5fxvrws7sz3ya-nix.conf
error: Cannot build '/nix/store/k6y70hnbclqmjkl1m3f03w0lzg6wma2b-X-Restart-Triggers-nix-daemon.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/ddh3jpih6d4vazawk7vb3s01ly67wnh1-X-Restart-Triggers-nix-daemon
error: Cannot build '/nix/store/20qv20l6407pbrzibjy3li5yvwrm48lx-unit-nix-daemon.service.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/jfg1gdviirzx28l3qc1j4bz7vr8n2is9-unit-nix-daemon.service
unit-tribuchet-sandboxd.service> structuredAttrs is enabled
error: Cannot build '/nix/store/ydb2r76c8iiha84cx4qgx4cn2c0c3fr4-system-units.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/2pfkqg7m9xiq413alh04nfn844i6wzfl-system-units
error: Cannot build '/nix/store/zvbl35z6yh3il35wq90bqmacd2rp8dnz-etc.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/wmfi2yy0vsklilp8lccwgzblyyln52i0-etc
error: Cannot build '/nix/store/a2mgrjv8jf8rggy5zp9bccn5x71xzhfc-activate.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/g5ifs7s8xphqd7lacy08fzljfij51yrs-activate
error: Cannot build '/nix/store/a394fvxcjijs4s90hmp1p8kd4j1ivfz6-nixos-system-hub-test.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/dv7p8p5ymg8qx3b65yag4sx1fgqfqy5d-nixos-system-hub-test
error: Cannot build '/nix/store/x08sx12l1ygb2fn7kvi5jsr5n5rj9ljb-closure-info.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/i6nkmcwgzgp9pn416k5cwskad0n361m0-closure-info
error: Cannot build '/nix/store/i9yyr1b6z09biz8a8ipfhs8blyycj8ww-run-nixos-vm.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/lwdp0z4yxm6hqm6rq7fc9i67bf55bqm7-run-nixos-vm
error: Cannot build '/nix/store/jbjhdxxsq7flyr27cf2lr4ql286isp11-nixos-vm.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/8rmyiakrv0y8zwvqf2ir118n5g74p0mw-nixos-vm
unit-tribuchet-worker.service> structuredAttrs is enabled
building '/nix/store/64mxhz2f2m7nbahq018c2wnbv0kw5w97-system-units.drv'
system-units> tribuchet: building on jamie
building '/nix/store/hc1ppmcyb6vw449xq0fmwy1hffh4h8lj-etc.drv'
etc> tribuchet: building on jamie
building '/nix/store/2zzqi80m1w6qi8bzzzl3ny24hlycf393-activate.drv'
activate> tribuchet: building on jamie
activate> mv: cannot remove '/build/.attr-1lf969yddshzhld7sr1vbagr07bnygg99lgl6gk5kxcnp4z9wbcq': Operation not permitted
error: Cannot build '/nix/store/2zzqi80m1w6qi8bzzzl3ny24hlycf393-activate.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7xlr7yvgffpv1kmacq46wb01k873sgqf-activate
       Last 2 log lines:
       > tribuchet: building on jamie
       > mv: cannot remove '/build/.attr-1lf969yddshzhld7sr1vbagr07bnygg99lgl6gk5kxcnp4z9wbcq': Operation not permitted
       For full logs, run:
         nix log /nix/store/2zzqi80m1w6qi8bzzzl3ny24hlycf393-activate.drv
error: Cannot build '/nix/store/6sxs84902jcfsaav00sjc6wlcin4vv8c-nixos-system-worker-test.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/nnxw8l7wwz20ymmvhm0b7kfk8h1abq2g-nixos-system-worker-test
error: Cannot build '/nix/store/k5h9mn77j7md1w3wlx88a1f4ynl0h1kl-closure-info.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/bcax75lprg00fz50vc0fvvkk0v292a67-closure-info
error: Cannot build '/nix/store/z36zqviayb9mvimxs11k49fwgm79qfn1-closure-info.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/ka1f0gh98k2iyxjbvd65srkkarz4mgjm-closure-info
error: Cannot build '/nix/store/694nqwwmvhsw5b5nx8ni75pp1zydzhz4-run-nixos-vm.drv'.
       Reason: 3 dependencies failed.
       Output paths:
         /nix/store/4vgimvczpx3r16kwlnd3z0219w6p5354-run-nixos-vm
error: Cannot build '/nix/store/m86bwq0vhjm69zn7hslwqx9wwvkss2dg-nixos-vm.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/bqsn1767glz61nym23xwy9jazmbzzdhf-nixos-vm
error: Cannot build '/nix/store/qirrv1qlj5896asbhmdx4q8bass9f7wf-driverConfiguration.json.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/w9r2j4bmw0wllrsvzm8bbgv76rddjwl5-driverConfiguration.json
error: Cannot build '/nix/store/0kiv6kcqkw6vma0rzdcnpfjk256fhyhc-nixos-test-driver-tribuchet-tailscale.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/bx8pwjfhpz4sgbny1a86m94r1ziqrg61-nixos-test-driver-tribuchet-tailscale
error: Cannot build '/nix/store/1lli69x88cxp9v869prph1cif796n90c-vm-test-run-tribuchet-tailscale.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/cx9qmbj2ka4k0ynp3g2242bb9jhj9xg3-vm-test-run-tribuchet-tailscale