these 14 derivations will be built:
  /nix/store/2prbkkrhi3y6z5g63rv5s22h2asvhl3i-web-agent_.service.drv
  /nix/store/36ba7kzywihnyfh6wcakiz5l1lc08m7s-web-agent_.socket.drv
  /nix/store/mqnwfqzz09b83jl8wh9v7qvp2yf6n1cp-web.service.drv
  /nix/store/gsjsqi0xqfap2xq13cz7v2p0hhyk731m-flakelet-lib-test-templated.drv
  /nix/store/laa6s2hgb60swvm3fcy1in0kmkw5pkc6-web-pre.target.drv
  /nix/store/lmb96zib7gxjhplvp7mv5zd7q2k54dp3-web.service.drv
  /nix/store/v18kcjhxk4m90f42r9m8p12msihpvb8w-web-health.service.drv
  /nix/store/vlbpc37k4lv178mllqg3a8396d6d6m7y-web.socket.drv
  /nix/store/vwkg0vf7k76m8hdhks9bk43g25fspx42-web-gc.timer.drv
  /nix/store/w7cw83vqiy8pamkbjbnh1dv3b2l0dn85-web-worker.service.drv
  /nix/store/wpnqwgrznvhva1jwhcqgb3sgs2gd3hi4-web-watch.path.drv
  /nix/store/z38i6pdmmwph9blrcx42l2b9880v3xvy-web-dump.service.drv
  /nix/store/mkrm956wshyn8k6llyy03gmz2b27h8s8-flakelet-lib-test-units.drv
  /nix/store/1ccmw0k0r3fl3fjrbyz7p8qfbcxyyzw0-flakelet-lib-test.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
Failed to find a machine for remote build!
derivation: 1ccmw0k0r3fl3fjrbyz7p8qfbcxyyzw0-flakelet-lib-test.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])