these 7 derivations will be built:
  /nix/store/gva29xifpn2spmkjrqmvcsa77k80pcyy-cargo-package-toml_writer-1.1.2+spec-1.1.0.drv
  /nix/store/kfp3b40gn0037l0wqsyh8128vjf391q4-cargo-package-toml-1.1.3+spec-1.1.0.drv
  /nix/store/yfjf0iixs916dr1picplhpcfq7inmq48-vendor-registry.drv
  /nix/store/dj630mbrajbw145y2z6mwkw5jzszmqj3-vendor-cargo-deps.drv
  /nix/store/k3j6c23z9yipazi57k83d1vljkgs8pqw-source.drv
  /nix/store/baqv5q5jj7rv3l31jbsqas7s5vyhh1ga-harmonia-deps-3.2.0.drv
  /nix/store/a9w4akjhkk0miv2xkannf4y222xa21gm-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: k3j6c23z9yipazi57k83d1vljkgs8pqw-source.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: baqv5q5jj7rv3l31jbsqas7s5vyhh1ga-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: a9w4akjhkk0miv2xkannf4y222xa21gm-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], [])