Method 'phasers' not found for invocant of class 'Code'

[cognominal]

Can't run the demo

$ perl6 eg/chat.pl6 --port=8080 http server is ready: http://127.0.0.1:8080/ (pid:82842) request: / request: /echo2 [ERROR] [82842] [11] Method 'phasers' not found for invocant of class 'Code' in method tap at gen/moar/m-CORE.setting line 33837 in method tap at gen/moar/m-CORE.setting line 32309 in method Channel at gen/moar/m-CORE.setting line 32811 in block at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 438 in block at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 431 in block at gen/moar/m-CORE.setting line 13078 in method pull-one at gen/moar/m-CORE.setting line 13094 in method sink-all at gen/moar/m-CORE.setting line 4168 in method sink at gen/moar/m-CORE.setting line 12853 in method send-response at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 323 in method run-app at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 252 in block at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 219 in method parse-body at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 167 in method handle at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 88 in block at /Users/cog/share/perl6/site/sources/57CD93174612D6EAC1BFD1C837C1E00CDC5D99B8 (HTTP::Server::Tiny) line 495 in block at gen/moar/m-CORE.setting line 32434 in block at gen/moar/m-CORE.setting line 32405 in method protect at gen/moar/m-CORE.setting line 31544 in block at gen/moar/m-CORE.setting line 32405 in block at gen/moar/m-CORE.setting line 33645 in method emit at gen/moar/m-CORE.setting line 33642 in method emit at gen/moar/m-CORE.setting line 33682 in block at gen/moar/m-CORE.setting line 34229 in method emit-events at gen/moar/m-CORE.setting line 3045 in block at gen/moar/m-CORE.setting line 3033 in block at gen/moar/m-CORE.setting line 3028 in method protect at gen/moar/m-CORE.setting line 31544 in method process at gen/moar/m-CORE.setting line 3025 in block at gen/moar/m-CORE.setting line 34232 in block at gen/moar/m-CORE.setting line 31688 in block at gen/moar/m-CORE.setting line 31685 in block at gen/moar/m-CORE.setting line 31684 in block at gen/moar/m-CORE.setting line 31681