these 4 derivations will be built:
  /nix/store/2j4r2h7zx4mm2kz91x0g80jdyn89c2w6-build-test-ami.drv
  /nix/store/wkikyzg47znplnc5jx03i5v60bnhm6dh-build-test-ami.drv
  /nix/store/qvj2wpsm1a5r2qd3llr6d2nq5ip2wiv8-devshell-dir.drv
  /nix/store/mz256nfjpdprf4dc0l95sh5m9kh9gsh7-devshell.drv
building '/nix/store/2j4r2h7zx4mm2kz91x0g80jdyn89c2w6-build-test-ami.drv'
building '/nix/store/wkikyzg47znplnc5jx03i5v60bnhm6dh-build-test-ami.drv'
building '/nix/store/qvj2wpsm1a5r2qd3llr6d2nq5ip2wiv8-devshell-dir.drv'
devshell-dir> created 472 symlinks in user environment
building '/nix/store/mz256nfjpdprf4dc0l95sh5m9kh9gsh7-devshell.drv'