these 21 derivations will be built:
  /nix/store/d37w2d0zh933hqiwr0q2s02qc599zkkw-niks3-server-1.4.0.drv
  /nix/store/wdl0ys98ar2gfqzgvzlr2q6la81v861x-niks3-server-customisation-layer.drv
  /nix/store/fapq8yghy6hcdrbry5sfz1nrnavsjyl4-excludePaths.drv
  /nix/store/zdvk5f3jyr3ig1mbrigz6pifcwrjzc5l-layers.json.drv
  /nix/store/sq9d7c34jfpj7yzjm8g2ymb9c2jyg1yr-niks3-server-conf.json.drv
  /nix/store/mn2cvw0axc1a1i0a2gn97pywcz2kzahw-stream-niks3-server.drv
  /nix/store/had6725qi2ygpqf0cgkklgvinc6nw5mi-niks3-server.tar.drv
  /nix/store/bfrpi1dv47w64y5d277l40y2b9da7g8x-10-k3s.conf.drv
  /nix/store/5zhrfkg29kprglzigfcr26l1s1b4wzg9-tmpfiles.d.drv
  /nix/store/8q776d8s98h48kxhiv2knnlda65ywlhv-X-Restart-Triggers-systemd-tmpfiles-resetup.drv
  /nix/store/wszdhynbhbz43wnshgkliilfjsp0pf9g-unit-systemd-tmpfiles-resetup.service.drv
  /nix/store/55vx7a49sxwv9iamxj2z5zr727847c3b-system-units.drv
  /nix/store/67brfsh20hifjdc3vm3n45fx4pz7s5w4-etc.drv
  /nix/store/139srgpvqxq63x06g47a9k96mc7i2dff-activate.drv
  /nix/store/72s7gry169jp8vzx1qq89x4pg8y644wp-nixos-system-machine-test.drv
  /nix/store/vbig68x17vdh7h362wgjicqrwvv0b8lw-closure-info.drv
  /nix/store/ml7r1fw5rbc95i991dkl7crknw0f06fr-run-nixos-vm.drv
  /nix/store/wadnjggcr1nfs4biiaa6k43bvmis3mqh-nixos-vm.drv
  /nix/store/wib1rfc9al4vp8plfx96rma86p8j8iwv-driverConfiguration.json.drv
  /nix/store/42r75bgiwbmm17r6dszgvl371zjl3zn2-nixos-test-driver-nixos-test-k3s.drv
  /nix/store/l6s2zamg8n9ya4m8300gaqgy69bsjfwj-vm-test-run-nixos-test-k3s.drv
Failed to find a machine for remote build!
derivation: l6s2zamg8n9ya4m8300gaqgy69bsjfwj-vm-test-run-nixos-test-k3s.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], [])