Exceptions on installation

[Altai-man]

This is at least since 2020.06 release. The testing goes ok and then:

➜  ~ zef install Spit
===> Searching for: Spit
===> Searching for missing dependencies: DispatchMap, JSON::Tiny
===> Testing: DispatchMap:ver<0.2.3>
===> Testing [OK] for DispatchMap:ver<0.2.3>
===> Testing: JSON::Tiny:ver<1.0>
===> Testing [OK] for JSON::Tiny:ver<1.0>
===> Testing: Spit:ver<0.0.31>
[Spit] precompiling SETTING
===> Testing [OK] for Spit:ver<0.0.31>
===> Installing: DispatchMap:ver<0.2.3>
===> Installing: JSON::Tiny:ver<1.0>
===> Installing: Spit:ver<0.0.31>
===> Install [FAIL] for Spit:ver<0.0.31>: precompiling SETTING
===SORRY!=== Error while compiling /home/koto/site#sources/439BF46620E5A9ABA6750AED8F3C39E466FF18DE (Spit::PRECOMP::SETTING)
An exception occurred while evaluating a constant
at /home/koto/site#sources/439BF46620E5A9ABA6750AED8F3C39E466FF18DE (Spit::PRECOMP::SETTING):7
Exception details:
  ===SORRY!=== Error while compiling
  Not enough positional arguments; needed at least 2
  at :

precompiling SETTING
===SORRY!=== Error while compiling /home/koto/site#sources/439BF46620E5A9ABA6750AED8F3C39E466FF18DE (Spit::PRECOMP::SETTING)
An exception occurred while evaluating a constant
at /home/koto/site#sources/439BF46620E5A9ABA6750AED8F3C39E466FF18DE (Spit::PRECOMP::SETTING):7
Exception details:
  ===SORRY!=== Error while compiling
  Not enough positional arguments; needed at least 2
  at :

➜  ~ raku --version
This is Rakudo version 2020.06 built on MoarVM version 2020.06
implementing Raku 6.d.
'⏎                                                                                                                                                             ➜  ~