these 5 derivations will be built:
  /nix/store/cnga5i634l4pzrckk7rwzqy7d0r8gdq1-nix-copy-closure.drv
  /nix/store/kljn16w6fwacabhphgi4kqvjgmn7f76j-remote-commands.drv
  /nix/store/cra4y3yqrdvx1h9dj838am5ng8hiqi0v-runtime-references.drv
  /nix/store/z15nnnz5qiifkcpcq3b81azdj5qhn60i-ssh.drv
  /nix/store/89ngh5lc9fvxwa913lsi5cvxp1d2mgm6-effects-lib-ssh.drv
this path will be fetched (75.3 KiB download, 287.5 KiB unpacked):
  /nix/store/4z8ys247h2242760a0pw6y9akab2n09l-hello-2.12.3
Failed to find a machine for remote build!
derivation: cra4y3yqrdvx1h9dj838am5ng8hiqi0v-runtime-references.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
Failed to find a machine for remote build!
derivation: 89ngh5lc9fvxwa913lsi5cvxp1d2mgm6-effects-lib-ssh.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])