Error compiling Firefox69

[Filippo Moretti]

I have the following error while trying to compile firefox (up to 68 it did compile without hassles)DEBUG: Executing: `rustup which rustc`
DEBUG: The command returned non-zero exit status 1.
DEBUG: Its error output was:
DEBUG: | error: multiple input filenames provided (first two filenames are `which` and `rustc`)
DEBUG: | 
ERROR: Command `rustup which rustc` failed with exit status 1.
===>  Script "configure" failed unexpectedly.
Please report the problem to gecko at FreeBSD.org [maintainer] and attach the
"/usr/ports/www/firefox/work/.build/config.log" including the output of the
failure of your make command. Also, it might be a good idea to provide an
overview of all packages installed on your system (e.g. a
/usr/local/sbin/pkg-static info -g -Ea).
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/www/firefox
*** Error code 1the file config.log was not createdsincerelyFilippo
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