these 22 derivations will be built:
  /nix/store/f9wmbqy9qj3626bbzxqp80xsacfqx204-system-path.drv
  /nix/store/8b6gb35f2p3pkqd0cmw7wq12a4l0anf3-dbus-1.drv
  /nix/store/7aggn85h9hlfij8s9cgjlyqad39rnw1x-X-Restart-Triggers-dbus-broker.drv
  /nix/store/hayqj0nfcbhyc5cybasz180wi636x48k-unit-dbus-broker.service.drv
  /nix/store/0056b1knnqsfkb9x5rn3hmrfj3w4yjzj-user-units.drv
  /nix/store/jcxpp2nmmysl2i9sk039dm2knk5bd4ki-blocking-build.nix.drv
  /nix/store/46ma4hjm8amq7yyhi4955gy5z3ya5y3m-unit-blocking-build.service.drv
  /nix/store/7h8q376anpr2j5z4g2av40blbww3nj7a-test-script.drv
  /nix/store/jpv030v98fckn2cdqblll6npipynnm4i-unit-dbus-broker.service.drv
  /nix/store/wbsn2fnjz6zsqq474wvlsavlmfb3wsz6-nix.conf.drv
  /nix/store/xf077lnj646ka4axpp5i6qab4c1sbnk0-X-Restart-Triggers-nix-daemon.drv
  /nix/store/k3zk5viswfnbgagy7jfkziv9anw98z04-unit-nix-daemon.service.drv
  /nix/store/k5k31asnk0p23l8y9ilwz63nnp0dc55v-system-units.drv
  /nix/store/byijq2l4hr96nj0hm8d5gifyj442pgcv-etc.drv
  /nix/store/aljjdigvrzjwldjgcxfd725jbc7cmxxz-activate.drv
  /nix/store/kqqsa68cf9p3nlj190j8hyc70a5x91qs-nixos-system-server-test.drv
  /nix/store/na70b1gaqc0vaxjinfxigaprh5rrlcgg-closure-info.drv
  /nix/store/gdpwr6ckll1a7xfd859paryzz9flyx7d-run-nixos-vm.drv
  /nix/store/j6yvm4l1kicbpcb3b4svcfz3shv8sdya-nixos-vm.drv
  /nix/store/l4cir9p7qh3cp5m0p2dxx2pwlachg2ig-driverConfiguration.json.drv
  /nix/store/flqrawrgskxy525lvyabmdwza1vdcmw1-nixos-test-driver-builder.drv
  /nix/store/wm3pwq24ja58a56ggmgqa0n29h5ckrbs-vm-test-run-builder.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
Failed to find a machine for remote build!
derivation: wm3pwq24ja58a56ggmgqa0n29h5ckrbs-vm-test-run-builder.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], [])