this derivation will be built: /nix/store/wkzw18l7llgp500sb7882sakw11zcaa2-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/wkzw18l7llgp500sb7882sakw11zcaa2-bcachefs-module-7.0.0-39-generic.drv'...