these 41 derivations will be built:
  /nix/store/5cbrj5gncav0yywkw4qwa4srsd342pnp-tribuchet-attach.drv
  /nix/store/6gyc2cg824vgr07grqp4n1h63kb8lx82-nix.conf.drv
  /nix/store/gawcxl2vapf78q09pyf77zs833dq4nmj-X-Restart-Triggers-nix-daemon.drv
  /nix/store/0196f01pgdgc77w6mjli8p7pq1356h40-unit-nix-daemon.service.drv
  /nix/store/w05gbr7aaxxnvy2vad4zn79j395grn4s-system-path.drv
  /nix/store/8l64y1bdnvcdjwbzadnn3rhaxizhag15-dbus-1.drv
  /nix/store/52c3fz967mrf93s4wam0zd1m4h4n34yc-X-Restart-Triggers-dbus-broker.drv
  /nix/store/hks2fspszs38w66cj7mqswcckzzd2ss8-unit-dbus-broker.service.drv
  /nix/store/hc6r72knlrhy6m8rqffccl466q914aii-user-units.drv
  /nix/store/100jl3530kxh3lkm57crl9cj3amq6mbk-unit-tribuchet-worker.service.drv
  /nix/store/f69ldg5bg9pr50jfkflbclkwpfdq2kaj-tribuchet-agent.drv
  /nix/store/2s46xip8ba3pd906hmahca8idhzy16rw-unit-tribuchet-agent-.service.drv
  /nix/store/nnp467fnqi5j0amjgf4fmjwmg33cz7a2-unit-dbus-broker.service.drv
  /nix/store/zayimys2rdkh318plnfh7p6183072w28-system-units.drv
  /nix/store/b2cq684vvnvq0fv5j47wc0sixjg5ghsw-etc.drv
  /nix/store/x6xxk580pkgff7964rhccmp3vhbakcd9-activate.drv
  /nix/store/05bisbbkpr7kgqrbiaa9fw3lhfblzafh-nixos-system-worker-test.drv
  /nix/store/nh5rsnfrcd35z8hn6gl3yi3nhlxl9a5p-tribuchet-e2e-0.1.0.drv
  /nix/store/g3060scvy0qm1bs4972i7i6fnd2vl1mn-string-references.drv
  /nix/store/06l4c3c8251ddd0mhh7w0apg75yjash2-closure-info.drv
  /nix/store/0gq7za85r2hc40pi80w5ddznamfg2m5y-system-path.drv
  /nix/store/ssn9waidm05qq6wqzqfncsp96lsqzx46-closure-info.drv
  /nix/store/jrl893301h76py97nkgr5v9n1ad4mj11-run-nixos-vm.drv
  /nix/store/18qvc052a0dird2phaf22vz9appckiyx-nixos-vm.drv
  /nix/store/baix63sn2gb68qbphpjimbjwpp1biqyz-dbus-1.drv
  /nix/store/mlgsmlqwz8pxzd21kdc47cbc8invih78-X-Restart-Triggers-dbus-broker.drv
  /nix/store/m18v2l0ps3g5k55ykrm23884wx3nx2gr-unit-dbus-broker.service.drv
  /nix/store/sy89mf9b1pg67dn95ih6khq4k0qjs5a9-unit-tribuchet-hub.service.drv
  /nix/store/bc9hn17amj8ss9jdga07vwrrjbsww8aq-system-units.drv
  /nix/store/hgj1vdw1lbjvlszh0b4ny2zmm3fjd2aa-unit-dbus-broker.service.drv
  /nix/store/p74j40wl692dlnhfwfwz7pkr7bg9jl2c-user-units.drv
  /nix/store/wja92y0kw9q77mn5s92n6vklv4zd5fqm-etc.drv
  /nix/store/aky3dmh2pxj63cgnlyibzy3gr955wjwc-activate.drv
  /nix/store/swwm7n81231rirawcsx7y2h00xp1zpy2-nixos-system-hub-test.drv
  /nix/store/w31h7v47hvs450g56babx57zvsi3mfrg-closure-info.drv
  /nix/store/lkmzqsjxx88j8z4cy35fbcpvmri9941l-run-nixos-vm.drv
  /nix/store/s8h1j692i23y969pi37gv2bggfwnynrw-nixos-vm.drv
  /nix/store/v9sp3923qvx68faqf6r36n3sswj5jxzz-test-script.drv
  /nix/store/banf90nwlf6ph4zxw8g8llbjzyhwm5b8-driverConfiguration.json.drv
  /nix/store/d0hvhmd3fd0wcm8fnzh3msya95k2a90j-nixos-test-driver-tribuchet-nspawn.drv
  /nix/store/3hazmwwb7mzlsgpfn398cm2w9xbynayl-vm-test-run-tribuchet-nspawn.drv
building '/nix/store/0gq7za85r2hc40pi80w5ddznamfg2m5y-system-path.drv'
building '/nix/store/w05gbr7aaxxnvy2vad4zn79j395grn4s-system-path.drv'
system-path> tribuchet: building on jamie
system-path> tribuchet: building on jamie
system-path> structuredAttrs is enabled
system-path> structuredAttrs is enabled
system-path> created 1925 symlinks in user environment
system-path> created 2154 symlinks in user environment
building '/nix/store/baix63sn2gb68qbphpjimbjwpp1biqyz-dbus-1.drv'
building '/nix/store/8l64y1bdnvcdjwbzadnn3rhaxizhag15-dbus-1.drv'
dbus-1> tribuchet: building on jamie
dbus-1> tribuchet: building on jamie
building '/nix/store/mlgsmlqwz8pxzd21kdc47cbc8invih78-X-Restart-Triggers-dbus-broker.drv'
X-Restart-Triggers-dbus-broker> tribuchet: building on jamie
building '/nix/store/52c3fz967mrf93s4wam0zd1m4h4n34yc-X-Restart-Triggers-dbus-broker.drv'
X-Restart-Triggers-dbus-broker> tribuchet: building on jamie
building '/nix/store/hgj1vdw1lbjvlszh0b4ny2zmm3fjd2aa-unit-dbus-broker.service.drv'
building '/nix/store/m18v2l0ps3g5k55ykrm23884wx3nx2gr-unit-dbus-broker.service.drv'
unit-dbus-broker.service> tribuchet: building on jamie
unit-dbus-broker.service> tribuchet: building on jamie
building '/nix/store/hks2fspszs38w66cj7mqswcckzzd2ss8-unit-dbus-broker.service.drv'
building '/nix/store/nnp467fnqi5j0amjgf4fmjwmg33cz7a2-unit-dbus-broker.service.drv'
unit-dbus-broker.service> tribuchet: building on jamie
unit-dbus-broker.service> tribuchet: building on jamie
unit-dbus-broker.service> structuredAttrs is enabled
unit-dbus-broker.service> structuredAttrs is enabled
building '/nix/store/p74j40wl692dlnhfwfwz7pkr7bg9jl2c-user-units.drv'
user-units> tribuchet: building on jamie
unit-dbus-broker.service> structuredAttrs is enabled
building '/nix/store/6gyc2cg824vgr07grqp4n1h63kb8lx82-nix.conf.drv'
building '/nix/store/2s46xip8ba3pd906hmahca8idhzy16rw-unit-tribuchet-agent-.service.drv'
nix.conf> tribuchet: building on jamie
unit-dbus-broker.service> structuredAttrs is enabled
unit-tribuchet-agent-.service> tribuchet: building on jamie
building '/nix/store/hc6r72knlrhy6m8rqffccl466q914aii-user-units.drv'
unit-tribuchet-agent-.service> structuredAttrs is enabled
user-units> tribuchet: building on jamie
nix.conf> Validating generated nix.conf
building '/nix/store/gawcxl2vapf78q09pyf77zs833dq4nmj-X-Restart-Triggers-nix-daemon.drv'
X-Restart-Triggers-nix-daemon> tribuchet: building on jamie
building '/nix/store/zayimys2rdkh318plnfh7p6183072w28-system-units.drv'
system-units> tribuchet: building on jamie
building '/nix/store/0196f01pgdgc77w6mjli8p7pq1356h40-unit-nix-daemon.service.drv'
unit-nix-daemon.service> tribuchet: building on jamie
unit-nix-daemon.service> structuredAttrs is enabled
building '/nix/store/bc9hn17amj8ss9jdga07vwrrjbsww8aq-system-units.drv'
system-units> tribuchet: building on jamie
building '/nix/store/b2cq684vvnvq0fv5j47wc0sixjg5ghsw-etc.drv'
etc> tribuchet: building on jamie
building '/nix/store/x6xxk580pkgff7964rhccmp3vhbakcd9-activate.drv'
building '/nix/store/wja92y0kw9q77mn5s92n6vklv4zd5fqm-etc.drv'
activate> tribuchet: building on jamie
etc> tribuchet: building on jamie
building '/nix/store/05bisbbkpr7kgqrbiaa9fw3lhfblzafh-nixos-system-worker-test.drv'
nixos-system-worker-test> tribuchet: building on jamie
nixos-system-worker-test> structuredAttrs is enabled
building '/nix/store/aky3dmh2pxj63cgnlyibzy3gr955wjwc-activate.drv'
activate> tribuchet: building on jamie
building '/nix/store/swwm7n81231rirawcsx7y2h00xp1zpy2-nixos-system-hub-test.drv'
nixos-system-hub-test> tribuchet: building on jamie
nixos-system-hub-test> structuredAttrs is enabled
building '/nix/store/w31h7v47hvs450g56babx57zvsi3mfrg-closure-info.drv'
closure-info> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/lkmzqsjxx88j8z4cy35fbcpvmri9941l-run-nixos-vm.drv'
run-nixos-vm> tribuchet: building on jamie