Lean Kernel Arena / lean4lean / bugs/nested-name-capture

Checker: lean4lean · Version: arena (bce3448) · 📄 Declaration · 🔗 Source

Test: bugs/nested-name-capture · Expected: ✋ reject · Size: 26.1 KB · Lines: 433 · lean4export: 3.1.0 · Lean: 4.34.1 · 📄 Declaration

Result: ✋ rejected · exit code 1 · wall time: 66.6 ms · instructions: 465.1 M · max rss memory: 106.1 MB · run 2026-10-27 21:12:25 UTC

stderr:

PANIC at _private.Lean.Environment.0.Lean.EnvExtension.getStateImpl Lean.Environment:1375:4: invalid environment extension has been accessed
backtrace:
.lake/build/bin/lean4lean(+0x8730425) [0x557b84d5d425]
.lake/build/bin/lean4lean(+0x8727b37) [0x557b84d54b37]
.lake/build/bin/lean4lean(lean_panic_fn_borrowed+0x2b) [0x557b84d54c1b]
.lake/build/bin/lean4lean(Lean.EnvExtension.getStateUnsafe [arity↓, private]+0x910) [0x557b7ed3c560]
.lake/build/bin/lean4lean(Lean.ppExprWithInfos+0xee) [0x557b7ed78f7e]
.lake/build/bin/lean4lean(Lean.MessageData.ofExpr [λ]+0x110) [0x557b7ed80670]
.lake/build/bin/lean4lean(<apply/2>+0x9e9) [0x557b84d628f9]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x164) [0x557b7ed87264]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x557b7ed87b2a]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x764) [0x557b7ed87864]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x557b7ed87b2a]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa19) [0x557b7ed87b19]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa19) [0x557b7ed87b19]
.lake/build/bin/lean4lean(Lean.MessageData.toString+0x15) [0x557b7ed88945]
.lake/build/bin/lean4lean(Lean4Lean.Replay.throwKernelException [arity↓] (lean4lean)+0xb89) [0x557b7eb4b759]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant [λ] (lean4lean)+0x25) [0x557b7eb4e595]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant (lean4lean)+0x709) [0x557b7eb4fd49]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xe8) [0x557b7eb519b8]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xae) [0x557b7eb5197e]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xae) [0x557b7eb5197e]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replay (lean4lean)+0x207) [0x557b7eb54e17]
.lake/build/bin/lean4lean([lean] main+0x9a5) [0x557b7e955545]
.lake/build/bin/lean4lean(+0x8725687) [0x557b84d52687]
.lake/build/bin/lean4lean(+0x8725b55) [0x557b84d52b55]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x9dd53) [0x7efc27be2d53]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x12563c) [0x7efc27c6a63c]
PANIC at _private.Lean.Environment.0.Lean.EnvExtension.getStateImpl Lean.Environment:1375:4: invalid environment extension has been accessed
backtrace:
.lake/build/bin/lean4lean(+0x8730425) [0x557b84d5d425]
.lake/build/bin/lean4lean(+0x8727b37) [0x557b84d54b37]
.lake/build/bin/lean4lean(lean_panic_fn_borrowed+0x2b) [0x557b84d54c1b]
.lake/build/bin/lean4lean(Lean.EnvExtension.getStateUnsafe [arity↓, private]+0x910) [0x557b7ed3c560]
.lake/build/bin/lean4lean(Lean.ppExprWithInfos+0xee) [0x557b7ed78f7e]
.lake/build/bin/lean4lean(Lean.MessageData.ofExpr [λ]+0x110) [0x557b7ed80670]
.lake/build/bin/lean4lean(<apply/2>+0x9e9) [0x557b84d628f9]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x164) [0x557b7ed87264]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x557b7ed87b2a]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x764) [0x557b7ed87864]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x557b7ed87b2a]
.lake/build/bin/lean4lean(Lean.MessageData.toString+0x15) [0x557b7ed88945]
.lake/build/bin/lean4lean(Lean4Lean.Replay.throwKernelException [arity↓] (lean4lean)+0xb89) [0x557b7eb4b759]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant [λ] (lean4lean)+0x25) [0x557b7eb4e595]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant (lean4lean)+0x709) [0x557b7eb4fd49]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xe8) [0x557b7eb519b8]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xae) [0x557b7eb5197e]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xae) [0x557b7eb5197e]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replay (lean4lean)+0x207) [0x557b7eb54e17]
.lake/build/bin/lean4lean([lean] main+0x9a5) [0x557b7e955545]
.lake/build/bin/lean4lean(+0x8725687) [0x557b84d52687]
.lake/build/bin/lean4lean(+0x8725b55) [0x557b84d52b55]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x9dd53) [0x7efc27be2d53]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x12563c) [0x7efc27c6a63c]
uncaught exception: at boom: (kernel) declaration type mismatch, 'boom' has type
  [Error pretty printing expression: (`Inhabited.default` for `IO.Error`). Falling back to raw printer.]
  P ((fold sample).1)
but it is expected to have type
  [Error pretty printing expression: (`Inhabited.default` for `IO.Error`). Falling back to raw printer.]
  False