[GHC] #16073: Hadrian build fails on Windows

[GHC]

#16073: Hadrian build fails on Windows
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  Build System      |              Version:  8.6.3
  (Hadrian)                          |
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Description changed by bgamari:

Old description:

> See https://gitlab.haskell.org/ghc/ghc/-/jobs/2838.

New description:

 {{{
 /---------------------------------------------------\
 | Successfully built library 'rts' (Stage1, way v). |
 | Library: _build/stage1/rts/build/libHSrts-1.0.a   |
 \---------------------------------------------------/
 | Run Ld Stage1: _build/stage1/rts/build/c/Adjustor.o (and 117 more) =>
 _build/stage1/rts/build/HSrts-1.0.o
 copyFile: does not exist (The system cannot find the file specified.)
 shakeArgsWith     0.001s    0%
 Function shake    0.017s    0%
 Database read     0.337s    0%
 With database     0.033s    0%
 Running rules  4047.874s   99%  =========================
 Total          4048.261s  100%
 Error when running Shake build system:
   at src/Main.hs:58:30-42:
 * Depends on: binary-dist
   at src/Rules/BinaryDist.hs:97:9-21:
 * Depends on: _build/stage1/lib/package.conf.d/rts-1.0.conf
 * Raised the exception:
 ExitFailure 1

 }}}

 See https://gitlab.haskell.org/ghc/ghc/-/jobs/2838.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16073#comment:1>
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