[Factor-builds] mason on macosx-x86-64: build loop error

[<fac...@gm...>]

Fatal error on shill.local

Unix system call “open” failed:

No such file or directory (2)

It was called with the following arguments:

"/Users/slava/builds/2014-11-04-08-58/boot-time"
0
438
(U) Quotation: [ set-namestack init-catchstack self quot>> call -> stop ]
(O) Word: build-loop
(O) Word: build
(O) Word: success
(O) Word: successful-report
(O) Word: timings-table
(O) Word: eval-file
(O) Word: file-lines
(O) Method: M\ unix (file-reader)
(O) Method: M\ unix open-file
(O) Word: unix-system-call-error
(O) Method: M\ object throw
(U) Quotation: [
        OBJ-CURRENT-THREAD special-object error-thread set-global
        current-continuation -> error-continuation set-global
        [ original-error set-global ] [ rethrow ] bi
    ]