these 5 derivations will be built:
  /nix/store/kwhgi42vs1ramg297s1qr5iyhi0wn0vz-source.drv
  /nix/store/qr72j1q86lk2vgh74fg9kzh27k9n4vd3-vendor-registry.drv
  /nix/store/zw8m33binzir9pvb20xdmk4yl3h36r9a-vendor-cargo-deps.drv
  /nix/store/hjwllkjhhx0zipmnhbki2zy9s8ixyz3r-harmonia-deps-3.2.0.drv
  /nix/store/ywybrk90wvbg7vvs75la8icc7di485jz-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: hjwllkjhhx0zipmnhbki2zy9s8ixyz3r-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: ywybrk90wvbg7vvs75la8icc7di485jz-harmonia-llvm-cov-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], [])