these 4 derivations will be built:
  /nix/store/kjagiydbbp06g4pmz3labjfmy5669kci-Cargo.toml.drv
  /nix/store/72l3ixk34plz9xpzy93ilkhpy01grz62-source.drv
  /nix/store/546paxwdmbkp0hizr02cyq56ymgib27d-harmonia-deps-3.2.0.drv
  /nix/store/0xkz5yv3qkcvn8kwjxjd2j09zbgf661w-harmonia-clippy-3.2.0.drv
Failed to find a machine for remote build!
derivation: kjagiydbbp06g4pmz3labjfmy5669kci-Cargo.toml.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: 72l3ixk34plz9xpzy93ilkhpy01grz62-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: 546paxwdmbkp0hizr02cyq56ymgib27d-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: 0xkz5yv3qkcvn8kwjxjd2j09zbgf661w-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], [])