this derivation will be built: /nix/store/imr2hdjri3yp87p9cp0vapv1qb3fxa93-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/imr2hdjri3yp87p9cp0vapv1qb3fxa93-bcachefs-module-7.0.0-38-generic.drv'...