these 3 derivations will be built:
  /nix/store/l669lmhrh29xf7cnrr4g38m0bj24hqp0-source.drv
  /nix/store/ipyrznmy5q96kgi7rzf5pmnaz974szh0-harmonia-deps-3.2.0.drv
  /nix/store/zzn8s1q5cgyhs36z4jmkavfk89rfiyl9-harmonia-clippy-3.2.0.drv
Failed to find a machine for remote build!
derivation: ipyrznmy5q96kgi7rzf5pmnaz974szh0-harmonia-deps-3.2.0.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: zzn8s1q5cgyhs36z4jmkavfk89rfiyl9-harmonia-clippy-3.2.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])