buildmaster: unstable - all builders lost

[cocobean]

Status: all builders lost - on both x86_gcc and x64 buildbots

Incompletion of certain builds of haikuports packages. Disconnections or failed to find file (i.e. no such file) conditions.

If build all, some packages are preexisting. Possible needs a cleaned slate for full package build review on R1B4:

Errors observed:

1. "2023-02-26 17:12:21,126: connection failed: [Errno 2] No such file"

2. "some packages already exist at /var/buildmaster/haikuports/packages, revision bump required"

Ref: ​https://build.haiku-os.org/buildmaster

[waddlesplash]

Now fixed. More discussion at ​https://github.com/haikuports/haikuports/issues/7887