- `builder-db vacuum older-than [--job JOBNAME] RFC3339` removes all
builds in `JOBNAME` (defaults to all jobs) that were built before
`RFC3339`.
- `builder-db vacuum except-latest [--job JOBNAME] LATEST-N` removes all
builds in `JOBNNAME` (defaults to all jobs) except for the latest
`LATEST-N` builds (successful or not).
Cstruct.copy is deprecated
Mirage_crypto_rng_unix.initialize requires the RNG module as paramater (since mirage-crypto-rng 0.11.0)
Lwt_result.catch takes a function (unit -> 'a Lwt.t) since lwt 5.7.0