these 16 derivations will be built:
  /nix/store/50yw9sa1c9fqdvxlr8wmhw12vyl5bl96-niks3-1.12.0-beta.3.drv
  /nix/store/074pd3wv6h9g3k8nrx8fj9bj06jf6ngc-niks3-server-customisation-layer.drv
  /nix/store/h0c13isnqab1sqjw7vi361l258g4c2v8-excludePaths.drv
  /nix/store/jr9cmxx2gslbph5mhwrzxy0q05nl92z9-layers.json.drv
  /nix/store/1p0i4pd1nc4gnp0iv5bnclxvhrfar4n6-niks3-server-conf.json.drv
  /nix/store/2p1w7y61v4y02q05xqay1lxdxzv2kz8l-niks3-1.12.0-beta.3.drv
  /nix/store/3yb6lcv1xb5mspkm6sjhbyw4wldaijr6-stream-niks3-server.drv
  /nix/store/pamg5mgnwrp92hmx728vhd5j0i93cc1y-niks3-server-customisation-layer.drv
  /nix/store/zdp5fhqkcr07djblj43zc4qnkk6rjla5-excludePaths.drv
  /nix/store/zjnc485qkkkffclm58jf7z0bq4pifip3-layers.json.drv
  /nix/store/qvbyzb906yf6xq6vn0836ifmrd0bix0k-niks3-server-conf.json.drv
  /nix/store/b28ahza74f0cmydxm9n38mk9ln4rjbm3-stream-niks3-server.drv
  /nix/store/9cbp1iyynxlfka9kwgp7s1bvnmycv2j4-niks3-server.tar.drv
  /nix/store/akk6nm55x21p5hgyxaggcqx74y6p0v2v-niks3-server.tar.drv
  /nix/store/xpnhlxzx8zxn47dhqls6bg6baz5gbf2m-images.drv
  /nix/store/99cs64w0zw5rq85r5bjynbpxyagr1qfp-niks3-server-docker.drv
Failed to find a machine for remote build!
derivation: 2p1w7y61v4y02q05xqay1lxdxzv2kz8l-niks3-1.12.0-beta.3.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: 50yw9sa1c9fqdvxlr8wmhw12vyl5bl96-niks3-1.12.0-beta.3.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: jr9cmxx2gslbph5mhwrzxy0q05nl92z9-layers.json.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: zjnc485qkkkffclm58jf7z0bq4pifip3-layers.json.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: akk6nm55x21p5hgyxaggcqx74y6p0v2v-niks3-server.tar.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: 9cbp1iyynxlfka9kwgp7s1bvnmycv2j4-niks3-server.tar.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: 99cs64w0zw5rq85r5bjynbpxyagr1qfp-niks3-server-docker.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])