this derivation will be built: /nix/store/i0xl520bjns8ay1as59h84pj5r4q3vpr-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/i0xl520bjns8ay1as59h84pj5r4q3vpr-bcachefs-module-7.0.0-39-generic.drv'...