these 3 derivations will be built:
  /nix/store/d1csnp75vpqwdb3py5pgdc618ij4pjld-devshell-env.bash.drv
  /nix/store/672c1s8phbr80zgnm73hmhgaz4m6ivg2-devshell-dir.drv
  /nix/store/5xn7af05jrmm3xvn66jv8h04flycka92-devshell.drv
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
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
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy