Crash due to Span.start assertinons in typer.Migrations.implicitParams

[WojciechMazur]

Based on OpenCB failures in following projects

Project	Version	Build URL	Notes
akka/akka-management	1.5.0-M1	Open CB logs
apache/pekko-management	1.1.0	Open CB logs
flxj/platdb	0.14.0	Open CB logs
indoorvivants/scala-uri	4.1.0	Open CB logs
monix/monix	3.4.1	Open CB logs
pjfanning/pekko-http-json	3.0.0	Open CB logs
softwaremill/elasticmq	1.6.11	Open CB logs
dacr/web-echo	1.3.0	Open CB logs
galliaproject/gallia-spark	0.6.1	Open CB logs

Compiler version

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Output (click arrow to expand)

Error:  java.lang.AssertionError: assertion failed
Error:  	at scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:11)
Error:  	at dotty.tools.dotc.util.Spans$Span$.start$extension(Spans.scala:45)
Error:  	at dotty.tools.dotc.typer.Migrations.implicitParams(Migrations.scala:141)
Error:  	at dotty.tools.dotc.typer.Migrations.implicitParams$(Migrations.scala:28)
Error:  	at dotty.tools.dotc.typer.Typer.implicitParams(Typer.scala:154)
Error:  	at dotty.tools.dotc.typer.Typer.adaptToArgs$1(Typer.scala:4167)
Error:  	at dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4826)
Error:  	at dotty.tools.dotc.typer.Typer.adapt(Typer.scala:4070)
Error:  	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3690)
Error:  	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3695)
Error:  	at dotty.tools.dotc.typer.Typer.typedExpr(Typer.scala:3806)
Error:  	at dotty.tools.dotc.typer.Applications.realApply$1(Applications.scala:1089)
Error:  	at dotty.tools.dotc.typer.Applications.typedApply(Applications.scala:1287)
Error:  	at dotty.tools.dotc.typer.Applications.typedApply$(Applications.scala:465)
Error:  	at dotty.tools.dotc.typer.Typer.typedApply(Typer.scala:154)
Error:  	at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:3528)
Error:  	at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:3613)
Error:  	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3690)
Error:  	at dotty.tools.dotc.typer.Typer.addImplicitArgs$1(Typer.scala:4308)
Error:  	at dotty.tools.dotc.typer.Typer.adaptNoArgsImplicitMethod$1(Typer.scala:4338)
Error:  	at dotty.tools.dotc.typer.Typer.adaptNoArgs$1(Typer.scala:4545)
Error:  	at dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4831)
Error:  	at dotty.tools.dotc.typer.Typer.adapt(Typer.scala:4070)
Error:  	at dotty.tools.dotc.typer.Typer.readapt$1(Typer.scala:4080)
Error:  	at dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4819)
Error:  	at dotty.tools.dotc.typer.Typer.adapt(Typer.scala:4070)
Error:  	at dotty.tools.dotc.typer.Implicits.typedImplicit(Implicits.scala:1170)
Error:  	at dotty.tools.dotc.typer.Implicits.typedImplicit$(Implicits.scala:864)
Error:  	at dotty.tools.dotc.typer.Typer.typedImplicit(Typer.scala:154)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.tryImplicit(Implicits.scala:1295)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.rank$1(Implicits.scala:1461)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.searchImplicit(Implicits.scala:1631)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.searchImplicit(Implicits.scala:1749)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.bestImplicit(Implicits.scala:1791)
Error:  	at dotty.tools.dotc.typer.Implicits.inferImplicit(Implicits.scala:1113)
Error:  	at dotty.tools.dotc.typer.Implicits.inferImplicit$(Implicits.scala:864)
Error:  	at dotty.tools.dotc.typer.Typer.inferImplicit(Typer.scala:154)
Error:  	at dotty.tools.dotc.typer.Implicits.inferImplicitArg(Implicits.scala:932)
Error:  	at dotty.tools.dotc.typer.Implicits.inferImplicitArg$(Implicits.scala:864)
Error:  	at dotty.tools.dotc.typer.Typer.inferImplicitArg(Typer.scala:154)
Error:  	at dotty.tools.dotc.typer.Typer.implicitArgs$1(Typer.scala:4210)
Error:  	at dotty.tools.dotc.typer.Typer.addImplicitArgs$1(Typer.scala:4282)
Error:  	at dotty.tools.dotc.typer.Typer.adaptNoArgsImplicitMethod$1(Typer.scala:4338)
Error:  	at dotty.tools.dotc.typer.Typer.adaptNoArgs$1(Typer.scala:4545)
Error:  	at dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4831)
Error:  	at dotty.tools.dotc.typer.Typer.adapt(Typer.scala:4070)
Error:  	at dotty.tools.dotc.typer.Typer.readapt$1(Typer.scala:4080)
Error:  	at dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4819)
Error:  	at dotty.tools.dotc.typer.Typer.adapt(Typer.scala:4070)
Error:  	at dotty.tools.dotc.typer.Implicits.typedImplicit(Implicits.scala:1170)
Error:  	at dotty.tools.dotc.typer.Implicits.typedImplicit$(Implicits.scala:864)
Error:  	at dotty.tools.dotc.typer.Typer.typedImplicit(Typer.scala:154)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.tryImplicit(Implicits.scala:1295)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.rank$1(Implicits.scala:1461)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.searchImplicit(Implicits.scala:1631)
Error:  	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.searchImplicit(Implicits.scala:1749)
Error:  	at sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:425)
Error:  	at sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:137)
Error:  	at sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:2427)
Error:  	at sbt.Defaults$.$anonfun$compileIncrementalTask$2(Defaults.scala:2377)
Error:  	at sbt.internal.server.BspCompileTask$.$anonfun$compute$1(BspCompileTask.scala:41)
Error:  	at sbt.internal.io.Retry$.apply(Retry.scala:47)
Error:  	at sbt.internal.io.Retry$.apply(Retry.scala:29)
Error:  	at sbt.internal.io.Retry$.apply(Retry.scala:24)
Error:  	at sbt.internal.server.BspCompileTask$.compute(BspCompileTask.scala:41)
Error:  	at sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:2375)
Error:  	at scala.Function1.$anonfun$compose$1(Function1.scala:49)
Error:  	at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:63)
Error:  	at sbt.std.Transform$$anon$4.work(Transform.scala:69)
Error:  	at sbt.Execute.$anonfun$submit$2(Execute.scala:283)
Error:  	at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:24)
Error:  	at sbt.Execute.work(Execute.scala:292)
Error:  	at sbt.Execute.$anonfun$submit$1(Execute.scala:283)
Error:  	at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
Error:  	at sbt.CompletionService$$anon$2.call(CompletionService.scala:65)
Error:  	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
Error:  	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
Error:  	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
Error:  	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
Error:  	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
Error:  	at java.lang.Thread.run(Thread.java:750)