these 22 derivations will be built:
  /nix/store/7qn5q8wlkaglfmmr37iqswhkliz0abmn-system-path.drv
  /nix/store/2ldwz8jbxihji73il37rpfcsjsyg206g-dbus-1.drv
  /nix/store/va7rs01b37kyz6flapyv9784p36wipnq-X-Restart-Triggers-dbus-broker.drv
  /nix/store/dyyfjh7i9w3fv43cgba594bl1wm84lkr-unit-dbus-broker.service.drv
  /nix/store/0zr5b8x5fvi69gbs1020n6mhf5b84lfg-user-units.drv
  /nix/store/ad7ng8bjadq0r1adbh3plal7j6jj47yr-nix.conf.drv
  /nix/store/718inllif654rsa9ivvgvxr8455fccmw-unit-nix-grpc-daemon.service.drv
  /nix/store/k65rd4gyq8rhv2d95gd9mf8chwhsp5ww-unit-nix-grpc-daemon-mtls.service.drv
  /nix/store/s9cld2dh8nscdnh2w96y3xafllz581sw-unit-nix-grpc-daemon-strict.service.drv
  /nix/store/27pd9lgvhs6w356myg04j6i9xzc8gvh2-X-Restart-Triggers-nix-daemon.drv
  /nix/store/wbx0lqg1d9v6mmki09b52hrxgg7vmij3-unit-nix-daemon.service.drv
  /nix/store/x5f90ll76px6wsxclg4wbn5f8h74hbi6-unit-dbus-broker.service.drv
  /nix/store/p5mcfz9m21phn4m37hzpmyps4wva47kv-system-units.drv
  /nix/store/kv2fgvnifj6lvn606pxhxf2z2b7cdql0-etc.drv
  /nix/store/rgyajkccrmmclkw14ysb2lz6pipxf97j-activate.drv
  /nix/store/0x9m4dp38m8qqjpldib926c9ypmw90rj-nixos-system-machine-test.drv
  /nix/store/476nqd5cw7y0m4arx55cqsk9pbrclq5y-closure-info.drv
  /nix/store/lzng0j1j046pc5p0an74kzgswgyskg11-run-nixos-vm.drv
  /nix/store/n39mn4d63cnnyrxz5566bbsvv2gi9svm-nixos-vm.drv
  /nix/store/swqkvgsgq4830qvhd3i3wq1lm7k4y7mz-driverConfiguration.json.drv
  /nix/store/20bka1w489zqkyj5zi3ih080xyvw1jw2-nixos-test-driver-nix-grpc-store.drv
  /nix/store/lbf0n7cdrqzgcla5zcs8i7j64zpkpv9z-vm-test-run-nix-grpc-store.drv
Failed to find a machine for remote build!
derivation: lbf0n7cdrqzgcla5zcs8i7j64zpkpv9z-vm-test-run-nix-grpc-store.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/lbf0n7cdrqzgcla5zcs8i7j64zpkpv9z-vm-test-run-nix-grpc-store.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/gkxgdhyyah36wnfly7w5x2k6r46i01m3-vm-test-run-nix-grpc-store
       Last 25 log lines:
       > machine: must succeed: nix store sign -k /root/cache-key --store /root/aclsrc '/nix/store/50g59b7rls9r7yzlj9scvwlvx0qcb5sg-acl-blob'
       > machine # added 1 signatures
       > machine: (finished: must succeed: nix store sign -k /root/cache-key --store /root/aclsrc '/nix/store/50g59b7rls9r7yzlj9scvwlvx0qcb5sg-acl-blob', in 0.24 seconds)
       > machine: must succeed: nix copy --no-check-sigs --from /root/aclsrc --to 'grpc://localhost:50052?ca-cert=/run/nix-grpc-certs/ca.pem&client-cert=/run/nix-grpc-certs/rw.pem&client-key=/run/nix-grpc-certs/rw.key' '/nix/store/50g59b7rls9r7yzlj9scvwlvx0qcb5sg-acl-blob'
       > machine # [   45.838581] nix-grpc-daemon[843]: ts=2026-09-21T09:28:14Z level=info event=denied method=Connect cn=rw-client role=write
       > machine # error: gRPC Connect on 'localhost:50052' failed: role 'write' may not call Connect
       > machine # error: cannot open connection to remote store 'grpc://localhost:50052': error: Nix daemon disconnected unexpectedly (maybe it crashed?)
       > machine: output:
       > !!! Test "certificate ACL: write role enforces signatures" failed with error: "command `nix copy --no-check-sigs --from /root/aclsrc --to 'grpc://localhost:50052?ca-cert=/run/nix-grpc-certs/ca.pem&client-cert=/run/nix-grpc-certs/rw.pem&client-key=/run/nix-grpc-certs/rw.key' '/nix/store/50g59b7rls9r7yzlj9scvwlvx0qcb5sg-acl-blob'` failed (exit code 1)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 175, in <module>
       > !!!     machine.succeed(
       > !!! 
       > !!! RequestedAssertionFailed: command `nix copy --no-check-sigs --from /root/aclsrc --to 'grpc://localhost:50052?ca-cert=/run/nix-grpc-certs/ca.pem&client-cert=/run/nix-grpc-certs/rw.pem&client-key=/run/nix-grpc-certs/rw.key' '/nix/store/50g59b7rls9r7yzlj9scvwlvx0qcb5sg-acl-blob'` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 45)
       > machine # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lfh101cfjj8p8npcari9hk0lbqi33yvh-python3-3.14.7/bin/python3.14)
       > (finished: cleanup, in 0.28 seconds)
       > additionally exposed symbols:
       >     machine,
       >     vlan1,
       >     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
       > error: gRPC QueryMissing on 'localhost:50053' failed: server requires a TLS client certificate or bearer token
       >        hint: TLS handshake failed and no client certificate was presented. If the server requires mTLS set 'client-cert'/'client-key' or install client.crt/client.key in $XDG_DATA_HOME/nix-grpc-store or /var/lib/nix-grpc-store. Set NIX_GRPC_DEBUG=1 for a handshake trace.
       >
       For full logs, run:
         nix log /nix/store/lbf0n7cdrqzgcla5zcs8i7j64zpkpv9z-vm-test-run-nix-grpc-store.drv