"hg push" hangs for one minute (exactly one minute)

[Anton Shestakov]

There are also --debug and --profile, maybe they can help. Although
some parts of the push process may not have debug logging, and
profiling is for when you wish to delve into source code.

I suspect there's something in the setup of the network or network
file system, because 1 minute looks like a net IO timeout. But it
could also be a timeout for waiting for a file lock, --profile should
show it if that's the case.