these 5 derivations will be built:
  /nix/store/yl89ki1yjwy9rm4w2zkwzj2npdidpp9m-bb-app-0.46.1.tgz.drv
  /nix/store/237p47dbx1i3fhbwi97vwvigg19vdh8f-bb-app-src-with-lock.drv
  /nix/store/pzqxfcbcp474qw9lmq4hdhqq9m47p6gm-bb-app-0.46.1-npm-deps.drv
  /nix/store/63w5769l6dpmk84rr0xvk9wza9da98mk-bb-app-0.46.1.drv
  /nix/store/c4isxl2js2an2hb2kpgmbgak53j2m3d5-check-bb-app.drv
these 3 paths will be fetched (4.2 KiB download, 10.6 KiB unpacked):
  /nix/store/z0989k85hcawr2irjbklsm9767id5q34-nodejs-install-executables
  /nix/store/2222dsgdw4zxsa56c7sfn9kjlnd419f0-npm-config-hook
  /nix/store/7agw8myhimk8pvd17vsp1hsscz3qb5w0-npm-install-hook
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy