warning: ignoring untrusted flake configuration setting 'extra-substituters'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
Pass '--accept-flake-config' to trust it
trace: evaluation warning: buildDepsOnly will ignore `src` when `dummySrc` is specified
warning: error: SQLite database '/nix/var/nix/db/db.sqlite' is busy
these 2 paths will be fetched (0.00 MiB download, 339.86 MiB unpacked):
  /nix/store/d0yg87s9vvlx8b1ramvq34kq0qzvkza6-state-lens-ics23-mpt-light-client-deps-0.1.0
  /nix/store/7sm9ar7hb4jgip1p008p49bb2jkq1llr-state-lens-ics23-mpt-light-client-test-0.1.0
these 2 paths will be fetched (0.00 MiB download, 339.86 MiB unpacked):
  /nix/store/d0yg87s9vvlx8b1ramvq34kq0qzvkza6-state-lens-ics23-mpt-light-client-deps-0.1.0
  /nix/store/7sm9ar7hb4jgip1p008p49bb2jkq1llr-state-lens-ics23-mpt-light-client-test-0.1.0