these 4 derivations will be built:
  /nix/store/4hk0pmmr9835ss6m424ds8fkqaa01srw-Cargo.toml.drv
  /nix/store/aqcywy6iavdf021q17ca7y9rbxkzl7mc-source.drv
  /nix/store/fkiamham58n0af7hyy66aqbryp48lzc3-harmonia-deps-3.2.0.drv
  /nix/store/6gfr3l219mgwrkwsvnhaz8g0gyf02s7m-harmonia-clippy-3.2.0.drv
Failed to find a machine for remote build!
derivation: 4hk0pmmr9835ss6m424ds8fkqaa01srw-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: aqcywy6iavdf021q17ca7y9rbxkzl7mc-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: fkiamham58n0af7hyy66aqbryp48lzc3-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: 6gfr3l219mgwrkwsvnhaz8g0gyf02s7m-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], [])