these 6 derivations will be built:
  /nix/store/6slficwripf35077rbywj547jlf46hr2-cargo-package-syn-3.0.5.drv
  /nix/store/676m6ib21v6ljiqmc8l8alrjyijqjara-vendor-registry.drv
  /nix/store/1452hcr752z7wkap7l0b8rffkw8lmda4-vendor-cargo-deps.drv
  /nix/store/2hdx66i2wl18b4g75anpdmwvm939gw1a-source.drv
  /nix/store/w8z3xgm4l4dl18l80myc8qmsgs59il3d-harmonia-deps-3.2.0.drv
  /nix/store/299hfxq2yvlxmq5n0k6r1xfa5x3lg03s-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: w8z3xgm4l4dl18l80myc8qmsgs59il3d-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: 299hfxq2yvlxmq5n0k6r1xfa5x3lg03s-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], [])