this derivation will be built:
  /nix/store/wzrh7xagxs3wj8pw7m6awab73xp1b53b-interpolate-conformance.drv
building '/nix/store/wzrh7xagxs3wj8pw7m6awab73xp1b53b-interpolate-conformance.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/wzrh7xagxs3wj8pw7m6awab73xp1b53b-interpolate-conformance.drv' on farm.numtide.com:50051
interpolate-conformance> mac02: building wzrh7xagxs3wj8pw7m6awab73xp1b53b-interpolate-conformance.drv
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy