these 6 derivations will be built:
  /nix/store/04rfx0gmr98lfx4w1ys92bca9ccv2j2q-source.drv
  /nix/store/x6jpk4b3rj38lgncjw92bwbvp6yxc9y4-cargo-package-syn-3.0.5.drv
  /nix/store/njzd4aybp32bc1wsz8mrkfjv622wdqsx-vendor-registry.drv
  /nix/store/yfcbb745fh63l5z6v2yxwsgxvs2sqv78-vendor-cargo-deps.drv
  /nix/store/dcz80505c136xahd54yy8pia629qbdai-harmonia-deps-3.2.0.drv
  /nix/store/byi6zxq5z639ajbz6xgdf6dip86m7k06-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: dcz80505c136xahd54yy8pia629qbdai-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: byi6zxq5z639ajbz6xgdf6dip86m7k06-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], [])