these 11 derivations will be built:
  /nix/store/h2r0cp2iimxfvb7casixg5kwqa2541cp-unit-radicle-mirror.service.drv
  /nix/store/n6fnnchgn98w9n3i0akgs88v9qaqbk7v-system-units.drv
  /nix/store/ykx70c60j35n93ih2mk205m8rgdpn28d-etc.drv
  /nix/store/hy0lhy8rcv8p8spw81i6w5z5zmzwg1nl-activate.drv
  /nix/store/9i36idvrcgz46yl4448y61gl7d2zpzam-nixos-system-machine-test.drv
  /nix/store/fi0i200nmffvnwg19s8l68pa1d9ffw8r-closure-info.drv
  /nix/store/5cgpg0w41jfrib6qn1h5g1i3yj7jmf5i-run-nixos-vm.drv
  /nix/store/465dnk6kc4fhkwljsx36cj7n7kainn63-nixos-vm.drv
  /nix/store/2nl5pi5krr8l9ajl5r63ak2bf357avj1-driverConfiguration.json.drv
  /nix/store/lf0kc4yk7hxxfga5k7d2qmyrwgkm6160-nixos-test-driver-radicle-mirror.drv
  /nix/store/n1v6mh5infxr028j3y2vkn4w51z1gbgj-vm-test-run-radicle-mirror.drv
Failed to find a machine for remote build!
derivation: n1v6mh5infxr028j3y2vkn4w51z1gbgj-vm-test-run-radicle-mirror.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], [])