unpacking 'https://github.com/NixOS/nixpkgs/archive/e2587caef70cea85dd97d7daab492899902dbf5d.tar.gz' into the Git cache...
unpacking 'https://github.com/NixOS/nixpkgs/archive/e7a3ca8092b61ff85b6a45bf863ea2b2d6a661b3.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/5fvv6d61qfd8xf7bz59l9gx8i30x8vqv-bcachefs-module-7.1.4-arch1-2.drv
this path will be fetched (231.75 MiB download, 643.75 MiB unpacked):
  /nix/store/ggahyz0wss4bjdk0a3dxh6qdvb116zqp-linux-7.1.4-dev
copying path '/nix/store/ggahyz0wss4bjdk0a3dxh6qdvb116zqp-linux-7.1.4-dev' from 'https://cache.nixos.org'...
building '/nix/store/5fvv6d61qfd8xf7bz59l9gx8i30x8vqv-bcachefs-module-7.1.4-arch1-2.drv'...