these 5 derivations will be built:
  /nix/store/mpch914cq5l8pnkgql8wbp10f302ly1v-nix-grpc-e2e.drv
  /nix/store/0bsasajp05cnm0snw0zn0fhnwg2ncz96-test-script.drv
  /nix/store/a3nf1fc622k12z1f7iq1qvd3n1xkqjfy-driverConfiguration.json.drv
  /nix/store/6wzimmczlazvqfl9g7dfjr27w7rki55j-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/l4nwmcjy7h2pc0s2lknlyflwh2857xrm-vm-test-run-nix-grpc-store-main.drv
Failed to find a machine for remote build!
derivation: l4nwmcjy7h2pc0s2lknlyflwh2857xrm-vm-test-run-nix-grpc-store-main.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/l4nwmcjy7h2pc0s2lknlyflwh2857xrm-vm-test-run-nix-grpc-store-main.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8g3qj6hynz4x19g29zzxf9cgj44x0xac-vm-test-run-nix-grpc-store-main
       Last 25 log lines:
       > Note: this requires systemd-ssh-proxy(1) to be enabled (default on NixOS 25.05 and newer).
       >     machine:  ssh -o User=root vsock-mux//build/tmpn6nd1py_/machine_host.socket
       > 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
       > Traceback (most recent call last):
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 437, in run_tests
       >     self.test_script()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 395, in test_script
       >     exec(self.tests, symbols, None)
       >     ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >   File "<string>", line 24, in <module>
       >   File "<string>", line 10, in run_e2e
       >   File "/nix/store/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/lib/python3.14/subprocess.py", line 578, in run
       >     raise CalledProcessError(retcode, process.args,
       >                              output=stdout, stderr=stderr)
       > subprocess.CalledProcessError: Command '['/nix/store/08v1is1qwxn2v5c2gnx7fmbf4vvh9mz0-nix-grpc-e2e/bin/nix-grpc-e2e', 'transfer::', 'access::', '--test-threads=4', '--nocapture']' returned non-zero exit status 101.
       For full logs, run:
         nix log /nix/store/l4nwmcjy7h2pc0s2lknlyflwh2857xrm-vm-test-run-nix-grpc-store-main.drv