these 5 derivations will be built:
  /nix/store/aqyd0h9r9wqmr2ryk9a980v4iz53k7hm-vendor-registry.drv
  /nix/store/kmmd2p2c96zi5qzxx4rpywbd4y3r9jmi-source.drv
  /nix/store/zbwj1d424n21rd6n1pph95v1jwjpc60k-vendor-cargo-deps.drv
  /nix/store/j9dmb34nla2kgm8akcx4mr31v37lqp74-harmonia-deps-3.2.0.drv
  /nix/store/q3vr9c4rjkflhz67pwdcp93vqjwwhswd-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: j9dmb34nla2kgm8akcx4mr31v37lqp74-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: q3vr9c4rjkflhz67pwdcp93vqjwwhswd-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], [])