[racket-dev] Bugs? Lots of identifiers not defined or imported for phase 0 in compatibility-lib/mzlib/class.rkt:1:0

Hello, Racket.

Later 6.0.0.1, I cannot build the distribution from scratch because of
these errors via:
make base
make install
raco pkg install -i.


Here is the last instance shown.

compatibility-lib/mzlib/class.rkt:1:0: module: provided identifier not
defined or imported for phase 0
  at: ->*m
  in: (#%plain-module-begin (#%require (for-syntax mzscheme)) (require
racket/private/class-internal) (provide-public-names))
  context...:
   standard-module-name-resolver
   standard-module-name-resolver
   standard-module-name-resolver
   /opt/GYDMracket/collects/setup/setup-core.rkt:59:0: setup-core
   /opt/GYDMracket/collects/setup/setup.rkt:56:3
   /opt/GYDMracket/collects/pkg/main.rkt:16:0: setup
   (submod /opt/GYDMracket/collects/pkg/main.rkt main): [running body]
   /opt/GYDMracket/collects/pkg/raco.rkt: [traversing imports]
   /opt/GYDMracket/collects/raco/raco.rkt: [running body]
   /opt/GYDMracket/collects/raco/main.rkt: [running body]


Thanks.
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