these 4 derivations will be built:
  /nix/store/1j1rapg2dzlhhhdjkp4xlbb9s4a7ngi1-nix-tarmac-0.1.0.drv
  /nix/store/vavi5g2ilnmfkpmwcz0f6hd4gfjrf96r-nix-tarmac-0.1.0.drv
  /nix/store/zyaaxp4aibl4dbqbr5wiq2mjxqba9ss4-nix-tarmac-0.1.0.drv
  /nix/store/q9fbzxmv0zi05bmmg18s1nqlvdz37zc5-nix-tarmac-dispatcher.drv
Failed to find a machine for remote build!
derivation: 1j1rapg2dzlhhhdjkp4xlbb9s4a7ngi1-nix-tarmac-0.1.0.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: vavi5g2ilnmfkpmwcz0f6hd4gfjrf96r-nix-tarmac-0.1.0.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: zyaaxp4aibl4dbqbr5wiq2mjxqba9ss4-nix-tarmac-0.1.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])