this derivation will be built: /nix/store/82vg10pkk6v5j7v6xchznasi2jay1s3i-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/82vg10pkk6v5j7v6xchznasi2jay1s3i-bcachefs-module-7.0.0-38-generic.drv'...