these 30 derivations will be built:
  /nix/store/50kq5i2kpf7pa0zlzv7s0syixzj8rapj-system-path.drv
  /nix/store/zd8xgdb22idkrhw3ixmlj9hngagn12n4-dbus-1.drv
  /nix/store/1jj7yq51x9k9a5v957xmm51pngf74ayn-X-Restart-Triggers-dbus-broker.drv
  /nix/store/04wbhyxjchx4qz5jrp3px8mrdcpsnwgz-unit-dbus-broker.service.drv
  /nix/store/gggys7sg2jvp2gs9s18avwdvxpiv2g2j-system-path.drv
  /nix/store/8hhs1g6bq79sfzrpz6b2vsmr3zv239yr-dbus-1.drv
  /nix/store/kv84dmsjmcarf166fnicyckbpbbazj94-X-Restart-Triggers-dbus-broker.drv
  /nix/store/hpx38hjz9ja6rh7gdcz129ly4xhwc7rf-unit-dbus-broker.service.drv
  /nix/store/a30zkkzwanvhqyhzybii6pnwr0q0sf8i-user-units.drv
  /nix/store/7rn2nxg6180mmj6cmbh0xp8sj3v22832-unit-dbus-broker.service.drv
  /nix/store/x5l7lrjyh2zgn66i3zl3mjnjdg00akcz-system-units.drv
  /nix/store/w4xg9xymcr4jl24mm23mb1mivck7hqy9-etc.drv
  /nix/store/681apx01yb9s2zyhybg3xxkz2dgkp8hh-activate.drv
  /nix/store/5swas1831l9704pyvsqda0x972rzrwgf-nixos-system-alpha-test.drv
  /nix/store/1ldsk0m2pgrhcn2zqm29rchgdavq6pr1-closure-info.drv
  /nix/store/ghz4dwa5da4jcmvn8v0ni3iv70jz1pmh-run-nixos-vm.drv
  /nix/store/jzrip8j5zscpgnqs7h339zdylmbg83h7-nixos-vm.drv
  /nix/store/2q4dwm6rwng82mzhxsivkg14cjzfj3sb-unit-dbus-broker.service.drv
  /nix/store/vw45g5cc9bx5vbw15z176zimlbrhfnal-unit-tinc-auth.service.drv
  /nix/store/2mmrmb5s59yyb8wqhwp4wjdq170ygca6-system-units.drv
  /nix/store/fan2c7afl51nvnkfsnp0ddww3lr4nq9d-user-units.drv
  /nix/store/k4l7n5rhw6r5qs2qx629sjkl9c3gp2n4-etc.drv
  /nix/store/pvqajsbmx1p9yq59c3v8j5gvm9fynm9j-activate.drv
  /nix/store/rwaprlrlaq1bjpjl6y2difdl4syilwz0-nixos-system-beta-test.drv
  /nix/store/yyzk2chd0vchwvh8hwm1x11pn8k8aihn-closure-info.drv
  /nix/store/l3agqsp5hdy3r0b4lqicvls42v648iyd-run-nixos-vm.drv
  /nix/store/z87kkygccpcxkg5qpzmnk2xx271k24ig-nixos-vm.drv
  /nix/store/1g4xg3dfhc6yhsfjbfmyy2nca5lm4glm-driverConfiguration.json.drv
  /nix/store/hyakqhcwrsgsdzbwbydahajmsnw77z1g-nixos-test-driver-tinc-auth-nixos.drv
  /nix/store/91n17hm7pp43k1ixmvgzc5hwmq5k0b5q-vm-test-run-tinc-auth-nixos.drv
Failed to find a machine for remote build!
derivation: 91n17hm7pp43k1ixmvgzc5hwmq5k0b5q-vm-test-run-tinc-auth-nixos.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], [])
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy