pg_upgrade_internal.log

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  pg_upgrade run on Fri May 10 08:41:55 2019
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You must identify the directory where the old cluster binaries reside.
Please use the -b command-line option or the PGBINOLD environment variable.

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  pg_upgrade run on Sun May 12 19:53:30 2019
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You must identify the directory where the old cluster binaries reside.
Please use the -b command-line option or the PGBINOLD environment variable.

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  pg_upgrade run on Mon Jun  3 12:39:27 2019
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You must identify the directory where the old cluster binaries reside.
Please use the -b command-line option or the PGBINOLD environment variable.