these 37 derivations will be built:
  /nix/store/vvyn6h0dxrqql2wyvnbbn9s4zilpdgqd-system-path.drv
  /nix/store/8skqrv9na6sj8rrm8jsnh3lrfbj5g9cg-dbus-1.drv
  /nix/store/z5fk4djqal9pshr5r8531gx8wlic57dn-X-Restart-Triggers-dbus-broker.drv
  /nix/store/005vygmlvbqq4blgggbri0jycjacaa8r-unit-dbus-broker.service.drv
  /nix/store/0icmx5cvc49pr8056s7rzg7ffhgs9k37-test-script.drv
  /nix/store/0k01mfg3cjr05xlb5hdvxdwdfb49j2fl-system-path.drv
  /nix/store/fkhnj891gz4z4rzgq394mqajdkb57fih-tribuchet-attach.drv
  /nix/store/dag3dcrgz3warglg94h2f4fhby96dq9r-nix.conf.drv
  /nix/store/ngdiq4flk4a6w14pwzi1fmj5j7zzb40c-X-Restart-Triggers-nix-daemon.drv
  /nix/store/0srq0p8aw01cbihz793b5v1r4iy93br0-unit-nix-daemon.service.drv
  /nix/store/j1pi3gjqja12davmpwqb9156smm6hsh6-unit-tribuchet-worker.service.drv
  /nix/store/pl8x0m6qmqnkw4biq7khcy2gqiqizn8d-unit-dbus-broker.service.drv
  /nix/store/bp8hpw74dpspnjr1g5cgp4p5chwabb4w-system-units.drv
  /nix/store/vs0xgc5681wpk7qxkhw1680vdx5krya8-user-units.drv
  /nix/store/rqal83s47cw6ndynv596a5rpl6nyshs8-etc.drv
  /nix/store/ax729l8f83c8yr4552l782mriaf428p0-activate.drv
  /nix/store/93brp31a79ic4x1y48nrg97l2dal3gjs-nixos-system-worker-test.drv
  /nix/store/j67qfgi58m7rv3f3xaawhinm4h1ihgxj-closure-info.drv
  /nix/store/b8i9s9hq8mm9aki4jlqfagwi5brbkhbq-closure-info.drv
  /nix/store/wanxb02j4gisp2axw1wnrlbxzlgj6bbq-run-nixos-vm.drv
  /nix/store/312xawidsdvclvw86w3p03i87qbiww44-nixos-vm.drv
  /nix/store/7sr32dlzs48ppjwihljxgrfkccqd5v3m-dbus-1.drv
  /nix/store/i20drp9mhd6rzrkks8mqsn2n26s3kjzd-X-Restart-Triggers-dbus-broker.drv
  /nix/store/y537447rrj2dys5klf3x704fw6dqzjkh-unit-dbus-broker.service.drv
  /nix/store/lmxkngljybswz7vlzc4vb5x24f2861nb-user-units.drv
  /nix/store/8fimmpqc9mbvbmxypdp823jsxn3b7pkn-unit-tribuchet-hub.service.drv
  /nix/store/vcl12l9h530ci7y4yjh5dap9lxi33qyl-unit-dbus-broker.service.drv
  /nix/store/ph9xp134zpnn9yrsvksrrbi7yy5q1478-system-units.drv
  /nix/store/3bm2jj65s3cr510g4arp8gp33dhnqvir-etc.drv
  /nix/store/s10r2kmmwgz6bbh6gz4p7k4jc2mk72v3-activate.drv
  /nix/store/hqy8vp4m5vrzllcwilavs5kvd87v4vgh-nixos-system-hub-test.drv
  /nix/store/j4559j97ilbhhwzvmqpbgrd9j489amqc-closure-info.drv
  /nix/store/pln4l9wkaiz92lrs7618sjy0q43yxpv0-run-nixos-vm.drv
  /nix/store/mmg5ymyii8ma8mb6w22mx8d476rf2fgk-nixos-vm.drv
  /nix/store/c9j9lws0ahvjv578hc3i824fm36f04v2-driverConfiguration.json.drv
  /nix/store/xlyn4djh03lhlhpm9q8v1zrk87jp436p-nixos-test-driver-tribuchet.drv
  /nix/store/7v8vz3h5ghd01iy7k0qsw67a51dv1gjf-vm-test-run-tribuchet.drv
building '/nix/store/0icmx5cvc49pr8056s7rzg7ffhgs9k37-test-script.drv'
test-script> tribuchet: building on jamie
building '/nix/store/0k01mfg3cjr05xlb5hdvxdwdfb49j2fl-system-path.drv'
building '/nix/store/vvyn6h0dxrqql2wyvnbbn9s4zilpdgqd-system-path.drv'
building '/nix/store/8fimmpqc9mbvbmxypdp823jsxn3b7pkn-unit-tribuchet-hub.service.drv'
building '/nix/store/j1pi3gjqja12davmpwqb9156smm6hsh6-unit-tribuchet-worker.service.drv'
system-path> tribuchet: building on jamie
system-path> tribuchet: building on jamie
test-script> tribuchet worker error: output path /nix/store/fp3k7y4nmwda09nqmzd0z2aqikv0wi76-test-script already exists on this worker
unit-tribuchet-hub.service> tribuchet: building on jamie
error: Cannot build '/nix/store/0icmx5cvc49pr8056s7rzg7ffhgs9k37-test-script.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/fp3k7y4nmwda09nqmzd0z2aqikv0wi76-test-script
       Last 2 log lines:
       > tribuchet: building on jamie
       > tribuchet worker error: output path /nix/store/fp3k7y4nmwda09nqmzd0z2aqikv0wi76-test-script already exists on this worker
       For full logs, run:
         nix log /nix/store/0icmx5cvc49pr8056s7rzg7ffhgs9k37-test-script.drv
unit-tribuchet-worker.service> tribuchet: building on jamie
system-path> structuredAttrs is enabled
system-path> structuredAttrs is enabled
system-path> created 1910 symlinks in user environment
system-path> created 2131 symlinks in user environment
building '/nix/store/7sr32dlzs48ppjwihljxgrfkccqd5v3m-dbus-1.drv'
building '/nix/store/8skqrv9na6sj8rrm8jsnh3lrfbj5g9cg-dbus-1.drv'
dbus-1> tribuchet: building on jamie
dbus-1> tribuchet: building on jamie
building '/nix/store/i20drp9mhd6rzrkks8mqsn2n26s3kjzd-X-Restart-Triggers-dbus-broker.drv'
X-Restart-Triggers-dbus-broker> tribuchet: building on jamie
building '/nix/store/z5fk4djqal9pshr5r8531gx8wlic57dn-X-Restart-Triggers-dbus-broker.drv'
building '/nix/store/vcl12l9h530ci7y4yjh5dap9lxi33qyl-unit-dbus-broker.service.drv'
building '/nix/store/y537447rrj2dys5klf3x704fw6dqzjkh-unit-dbus-broker.service.drv'
X-Restart-Triggers-dbus-broker> tribuchet: building on jamie
unit-dbus-broker.service> tribuchet: building on jamie
unit-dbus-broker.service> tribuchet: building on jamie
building '/nix/store/005vygmlvbqq4blgggbri0jycjacaa8r-unit-dbus-broker.service.drv'
building '/nix/store/pl8x0m6qmqnkw4biq7khcy2gqiqizn8d-unit-dbus-broker.service.drv'
unit-dbus-broker.service> tribuchet: building on jamie
unit-dbus-broker.service> tribuchet: building on jamie
building '/nix/store/lmxkngljybswz7vlzc4vb5x24f2861nb-user-units.drv'
user-units> tribuchet: building on jamie
building '/nix/store/vs0xgc5681wpk7qxkhw1680vdx5krya8-user-units.drv'
user-units> tribuchet: building on jamie
building '/nix/store/bp8hpw74dpspnjr1g5cgp4p5chwabb4w-system-units.drv'
system-units> tribuchet: building on jamie
building '/nix/store/dag3dcrgz3warglg94h2f4fhby96dq9r-nix.conf.drv'
nix.conf> tribuchet: building on jamie
nix.conf> Validating generated nix.conf
building '/nix/store/ngdiq4flk4a6w14pwzi1fmj5j7zzb40c-X-Restart-Triggers-nix-daemon.drv'
X-Restart-Triggers-nix-daemon> tribuchet: building on jamie
building '/nix/store/rqal83s47cw6ndynv596a5rpl6nyshs8-etc.drv'
etc> tribuchet: building on jamie
building '/nix/store/0srq0p8aw01cbihz793b5v1r4iy93br0-unit-nix-daemon.service.drv'
unit-nix-daemon.service> tribuchet: building on jamie
building '/nix/store/ph9xp134zpnn9yrsvksrrbi7yy5q1478-system-units.drv'
system-units> tribuchet: building on jamie
building '/nix/store/ax729l8f83c8yr4552l782mriaf428p0-activate.drv'
activate> tribuchet: building on jamie
building '/nix/store/93brp31a79ic4x1y48nrg97l2dal3gjs-nixos-system-worker-test.drv'
nixos-system-worker-test> tribuchet: building on jamie
nixos-system-worker-test> structuredAttrs is enabled
building '/nix/store/j67qfgi58m7rv3f3xaawhinm4h1ihgxj-closure-info.drv'
building '/nix/store/3bm2jj65s3cr510g4arp8gp33dhnqvir-etc.drv'
closure-info> tribuchet: building on jamie
etc> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/b8i9s9hq8mm9aki4jlqfagwi5brbkhbq-closure-info.drv'
building '/nix/store/s10r2kmmwgz6bbh6gz4p7k4jc2mk72v3-activate.drv'
closure-info> tribuchet: building on jamie
activate> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/wanxb02j4gisp2axw1wnrlbxzlgj6bbq-run-nixos-vm.drv'
run-nixos-vm> tribuchet: building on jamie
building '/nix/store/hqy8vp4m5vrzllcwilavs5kvd87v4vgh-nixos-system-hub-test.drv'
nixos-system-hub-test> tribuchet: building on jamie
building '/nix/store/312xawidsdvclvw86w3p03i87qbiww44-nixos-vm.drv'
nixos-vm> tribuchet: building on jamie
nixos-system-hub-test> structuredAttrs is enabled
building '/nix/store/j4559j97ilbhhwzvmqpbgrd9j489amqc-closure-info.drv'
closure-info> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/pln4l9wkaiz92lrs7618sjy0q43yxpv0-run-nixos-vm.drv'
run-nixos-vm> tribuchet: building on jamie
building '/nix/store/mmg5ymyii8ma8mb6w22mx8d476rf2fgk-nixos-vm.drv'
nixos-vm> tribuchet: building on jamie
error: Cannot build '/nix/store/c9j9lws0ahvjv578hc3i824fm36f04v2-driverConfiguration.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/fy1rd5b1pj1h056v30x7fhj0dxmzs4pm-driverConfiguration.json
error: Cannot build '/nix/store/xlyn4djh03lhlhpm9q8v1zrk87jp436p-nixos-test-driver-tribuchet.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/fdd4c1vzsd45d8klbyki9miqfhddz8d5-nixos-test-driver-tribuchet
error: Cannot build '/nix/store/7v8vz3h5ghd01iy7k0qsw67a51dv1gjf-vm-test-run-tribuchet.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/wa0w2dcynl4w7b7qfh727hsysc2fa215-vm-test-run-tribuchet