With devel (downloaded/installed this morning) I get the exact same error:
$ nimble test
Executing task test in /Users/snej/Code/nim/blip/blip.nimble
Verifying dependencies for [email protected]
Info: Dependency on news@>= 0.5.0 already satisfied
Verifying dependencies for [email protected]
Info: Dependency on zip@>= 0.2.1 already satisfied
Verifying dependencies for [email protected]
Compiling /Users/snej/Code/nim/blip/tests/testCodec (from package blip)
using c backend
/Users/snej/.choosenim/toolchains/nim-#devel/lib/system/assertions.nim(23,
11) template/generic instantiation of `sysFatal` from here
/Users/snej/.choosenim/toolchains/nim-#devel/lib/system/fatal.nim(49, 5)
Error: system module needs: nimDestroyAndDispose
Tip: 5 messages have been suppressed, use --verbose to show them.
Error: Execution failed with exit code 256
... Command: "/Users/snej/.nimble/bin/nim" c --noNimblePath
-d:NimblePkgVersion=0.1.0 --path:"/Users/snej/Code/nim/news/src"
--path:"/Users/snej/Code/nim/zip" "-r" "--path:."
"/Users/snej/Code/nim/blip/tests/testCodec"
Run