these 13 derivations will be built:
  /nix/store/54qcflz72pjc9bj8qvhc0snpd3nykhdv-unit-fast-nix-optimise.service.drv
  /nix/store/l5hk7vmjx1yn372h9ys26ajw45kr6chs-unit-fast-nix-gc.service.drv
  /nix/store/1l7ad9inkh0y9wnq5lbdl6733vva004g-system-units.drv
  /nix/store/5rg8yilwkg0d0wn3hla25s43kdi6q138-etc.drv
  /nix/store/aij4n4mgr3kmqs7fz0x7a1qsxvj2rsi7-activate.drv
  /nix/store/pn22bambp9dxr8709698794w58nbmyq8-nixos-system-machine-test.drv
  /nix/store/68m3g4fk1gvi2p1j3hmrard0mxas0qz1-closure-info.drv
  /nix/store/4v1dx5xgliczhrrd7m8f0i5c1ar07nmd-closure-info.drv
  /nix/store/g0qkj8dr56y4wqim4zkwybdrfc9as89h-run-nixos-vm.drv
  /nix/store/770311119z3gh1hha14b5hsqsld9pzpw-nixos-vm.drv
  /nix/store/i88rh0b2knk5c0g12wanadzdlff7mgnn-driverConfiguration.json.drv
  /nix/store/8clznssh485nk4vifxsrylqpzhssl6j6-nixos-test-driver-fast-nix-gc.drv
  /nix/store/d754a0ybb1hb50g3af786a4i6slx7c6v-vm-test-run-fast-nix-gc.drv
Failed to find a machine for remote build!
derivation: d754a0ybb1hb50g3af786a4i6slx7c6v-vm-test-run-fast-nix-gc.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], [])