these 5 derivations will be built:
  /nix/store/01c1k9fmlqcw7xql0lsgy7mcfj01q03f-vendor-registry.drv
  /nix/store/gr0nqv91jr4cwmqzphm10rcxjwh6sl76-source.drv
  /nix/store/mmdixkcvrgnhgz2s7nsj0q7wyypv1ikb-vendor-cargo-deps.drv
  /nix/store/404rm2z00hxhh2bznh2ajxz06xa8knb0-harmonia-deps-3.3.0.drv
  /nix/store/id275finp9a8zagl4gih482xa18lli3x-harmonia-llvm-cov-3.3.0.drv
Failed to find a machine for remote build!
derivation: 404rm2z00hxhh2bznh2ajxz06xa8knb0-harmonia-deps-3.3.0.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: id275finp9a8zagl4gih482xa18lli3x-harmonia-llvm-cov-3.3.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])