this derivation will be built:
  /nix/store/89vbl6vmxc5sb7f3gnx03dqlsg7qn1f1-vm-test-run-nix-grpc-store.drv
Failed to find a machine for remote build!
derivation: 89vbl6vmxc5sb7f3gnx03dqlsg7qn1f1-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/89vbl6vmxc5sb7f3gnx03dqlsg7qn1f1-vm-test-run-nix-grpc-store.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d4zj4b1qdjqk5x71w5c40jvl65kaz2ad-vm-test-run-nix-grpc-store
       Last 25 log lines:
       > machine # error: gRPC BuildPaths on '127.0.0.1:50051' failed: error: creating directory "/nix/var/log/nix/drvs/kk": No space left on device
       > machine # [   17.104525] systemd-coredump[936]: Process 922 (nix-daemon) of user 0 terminated abnormally with signal 6/ABRT, processing...
       > machine # [   17.116327] systemd-coredump[867]: Process 859 (nix-daemon) of user 0 terminated abnormally without generating a coredump.
       > machine # [   17.119737] systemd[1]: Started Process Core Dump (PID 936/UID 0).
       > machine # [   17.127789] nix-daemon[855]: reaped child process 859, status = failed due to signal 6 (Aborted)
       > machine # [   17.129525] nix-daemon[855]: daemon worker 859 crashed
       > machine # [   17.130509] systemd[1]: systemd-coredump@0-1-863_864-0.service: Deactivated successfully.
       > machine # [   17.132148] systemd[1]: systemd-coredump@0-1-863_864-0.service: Consumed 2.097s CPU time over 2.519s wall clock time, 969M memory peak, 938.1M written to disk.
       > machine: output:
       > !!! Test "build over gRPC" failed with error: "command `nix build --store 'grpc://127.0.0.1:50051?insecure=1' --impure -f /etc/hello.nix --no-link --print-out-paths` failed (exit code 1)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 28, in <module>
       > !!!     p = machine.succeed(
       > !!! 
       > !!! RequestedAssertionFailed: command `nix build --store 'grpc://127.0.0.1:50051?insecure=1' --impure -f /etc/hello.nix --no-link --print-out-paths` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 45)
       > machine # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/3inr3nxzqarhb9rh1z7s2s20j8c0395h-python3-3.14.7/bin/python3.14)
       > (finished: cleanup, in 0.57 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
       > {"trusted":true,"url":"grpc://127.0.0.1:50051?insecure=true","version":"2.36.0pre20260828_df1878b6"}
       >
       For full logs, run:
         nix log /nix/store/89vbl6vmxc5sb7f3gnx03dqlsg7qn1f1-vm-test-run-nix-grpc-store.drv