these 3 derivations will be built:
  /nix/store/j0ijhsnmcfd6azgkyn33kjfa0zzg5v7j-source.drv
  /nix/store/p2m2f32ikv3zwkbi0k2ri7pbwpf900mq-harmonia-deps-3.1.0.drv
  /nix/store/imyj9pbzxbynwjrlk5wz82r67wgxjsfa-harmonia-3.1.0.drv
Failed to find a machine for remote build!
derivation: j0ijhsnmcfd6azgkyn33kjfa0zzg5v7j-source.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: p2m2f32ikv3zwkbi0k2ri7pbwpf900mq-harmonia-deps-3.1.0.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: imyj9pbzxbynwjrlk5wz82r67wgxjsfa-harmonia-3.1.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])