these 4 derivations will be built:
  /nix/store/8d41xyw18rvmsczqp5wfaic0ijgajcai-Cargo.toml.drv
  /nix/store/76a51siff7lmhr8zxlmrx9wd36hp1fvs-source.drv
  /nix/store/mb0yjywq7xc9agc4pxbf6bfs04fpdaiq-harmonia-deps-3.2.0.drv
  /nix/store/x9qyl210rjz5h3yg3l6nhd6yncn93z25-harmonia-clippy-3.2.0.drv
Failed to find a machine for remote build!
derivation: x9qyl210rjz5h3yg3l6nhd6yncn93z25-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], [])