these 2 derivations will be built:
  /nix/store/9hqyrypa2z2nr1yqg8s4x3055ada86ws-python3-3.13.14-env.drv
  /nix/store/q00cp0674a745zfs28gkq7108d6ia4dn-pytest-impure.drv
these 6 paths will be fetched (37.0 MiB download, 127.8 MiB unpacked):
  /nix/store/nvj4m47x6c3n3kqfk70fk5y598x8c4s8-python3-3.13.14
  /nix/store/hj67nmmr2mfj58lv7xsppl2qqp0bl9ih-python3.13-iniconfig-2.3.0
  /nix/store/8y9g1ywy0bhfllmvy47z0bzm9mjz8miz-python3.13-packaging-26.2
  /nix/store/xm30dc419wxdclg0vfp9cvaid7sr0rpv-python3.13-pluggy-1.6.0
  /nix/store/gf4152r6gz7x7hlfkbrafr8b719knhp9-python3.13-pygments-2.20.0
  /nix/store/p54qjhcsv7hl5hga1lg72nw802w7y2y3-python3.13-pytest-9.1.1
building '/nix/store/9hqyrypa2z2nr1yqg8s4x3055ada86ws-python3-3.13.14-env.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/9hqyrypa2z2nr1yqg8s4x3055ada86ws-python3-3.13.14-env.drv'
python3-3.13.14-env> structuredAttrs is enabled
python3-3.13.14-env> created 238 symlinks in user environment
Failed to find a machine for remote build!
derivation: 4njx31l8v7gcj98flhz1bbgmbwaw4cf1-pytest-impure.drv
required (system, features): (aarch64-darwin, [ca-derivations])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/4njx31l8v7gcj98flhz1bbgmbwaw4cf1-pytest-impure.drv'.
       Reason: platform mismatch
       Required system: 'aarch64-darwin'
       Current system: 'x86_64-linux'
error: build of resolved derivation '/nix/store/4njx31l8v7gcj98flhz1bbgmbwaw4cf1-pytest-impure.drv' failed