these 4 derivations will be built:
  /nix/store/xmbr2xspp7yrarbpbmxjgv4nbi6yrad0-Cargo.toml.drv
  /nix/store/iizl2519y5xbzqcmw5jp9qqmhm4jv6s1-source.drv
  /nix/store/qgpckzqqj64w5zawmwnfv22qks0281vl-harmonia-deps-3.3.0.drv
  /nix/store/2z42sdy0fh8da9izqk2yqnxrkprv6626-harmonia-3.3.0.drv
Failed to find a machine for remote build!
derivation: 2z42sdy0fh8da9izqk2yqnxrkprv6626-harmonia-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], [])