Checker "lean4lean" on test "corner-cases/eta-ctor"
Checker: lean4lean · Version: arena (bce3448) · 📄 Declaration · 🔗 Source
Test: corner-cases/eta-ctor · Expected: 🤷 either · Size: 9.0 KB · Lines: 148 · lean4export: 3.1.0 · Lean: 4.34.1 · 📄 Declaration · 🔗 Source
Result: ✋ rejected · exit code 1 · wall time: 43.7 ms · instructions: 433.3 M · max rss memory: 104.5 MB · run 2026-10-24 16:25:16 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) [0x55a0dce47425]
.lake/build/bin/lean4lean(+0x8727b37) [0x55a0dce3eb37]
.lake/build/bin/lean4lean(lean_panic_fn_borrowed+0x2b) [0x55a0dce3ec1b]
.lake/build/bin/lean4lean(Lean.EnvExtension.getStateUnsafe [arity↓, private]+0x910) [0x55a0d6e26560]
.lake/build/bin/lean4lean(Lean.ppExprWithInfos+0xee) [0x55a0d6e62f7e]
.lake/build/bin/lean4lean(Lean.MessageData.ofExpr [λ]+0x110) [0x55a0d6e6a670]
.lake/build/bin/lean4lean(<apply/2>+0x9e9) [0x55a0dce4c8f9]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x164) [0x55a0d6e71264]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x55a0d6e71b2a]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x764) [0x55a0d6e71864]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x55a0d6e71b2a]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa19) [0x55a0d6e71b19]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa19) [0x55a0d6e71b19]
.lake/build/bin/lean4lean(Lean.MessageData.toString+0x15) [0x55a0d6e72945]
.lake/build/bin/lean4lean(Lean4Lean.Replay.throwKernelException [arity↓] (lean4lean)+0xb89) [0x55a0d6c35759]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant [λ] (lean4lean)+0x25) [0x55a0d6c38595]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant (lean4lean)+0x709) [0x55a0d6c39d49]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xe8) [0x55a0d6c3b9b8]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replay (lean4lean)+0x207) [0x55a0d6c3ee17]
.lake/build/bin/lean4lean([lean] main+0x9a5) [0x55a0d6a3f545]
.lake/build/bin/lean4lean(+0x8725687) [0x55a0dce3c687]
.lake/build/bin/lean4lean(+0x8725b55) [0x55a0dce3cb55]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x9dd53) [0x7fcdcef8ad53]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x12563c) [0x7fcdcf01263c]
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) [0x55a0dce47425]
.lake/build/bin/lean4lean(+0x8727b37) [0x55a0dce3eb37]
.lake/build/bin/lean4lean(lean_panic_fn_borrowed+0x2b) [0x55a0dce3ec1b]
.lake/build/bin/lean4lean(Lean.EnvExtension.getStateUnsafe [arity↓, private]+0x910) [0x55a0d6e26560]
.lake/build/bin/lean4lean(Lean.ppExprWithInfos+0xee) [0x55a0d6e62f7e]
.lake/build/bin/lean4lean(Lean.MessageData.ofExpr [λ]+0x110) [0x55a0d6e6a670]
.lake/build/bin/lean4lean(<apply/2>+0x9e9) [0x55a0dce4c8f9]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x164) [0x55a0d6e71264]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x55a0d6e71b2a]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0x764) [0x55a0d6e71864]
.lake/build/bin/lean4lean(Lean.MessageData.formatAux+0xa2a) [0x55a0d6e71b2a]
.lake/build/bin/lean4lean(Lean.MessageData.toString+0x15) [0x55a0d6e72945]
.lake/build/bin/lean4lean(Lean4Lean.Replay.throwKernelException [arity↓] (lean4lean)+0xb89) [0x55a0d6c35759]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant [λ] (lean4lean)+0x25) [0x55a0d6c38595]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replayConstant (lean4lean)+0x709) [0x55a0d6c39d49]
.lake/build/bin/lean4lean(Std.DTreeMap.Internal.Impl.forInStep spec at Lean4Lean.Replay.replayConstants (lean4lean)+0xe8) [0x55a0d6c3b9b8]
.lake/build/bin/lean4lean(Lean4Lean.Replay.replay (lean4lean)+0x207) [0x55a0d6c3ee17]
.lake/build/bin/lean4lean([lean] main+0x9a5) [0x55a0d6a3f545]
.lake/build/bin/lean4lean(+0x8725687) [0x55a0dce3c687]
.lake/build/bin/lean4lean(+0x8725b55) [0x55a0dce3cb55]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x9dd53) [0x7fcdcef8ad53]
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6(+0x12563c) [0x7fcdcf01263c]
uncaught exception: at etaCtor: (kernel) declaration type mismatch, 'etaCtor' has type
[Error pretty printing expression: (`Inhabited.default` for `IO.Error`). Falling back to raw printer.]
forall (x : True -> T), Eq.{1} (True -> T) x x
but it is expected to have type
[Error pretty printing expression: (`Inhabited.default` for `IO.Error`). Falling back to raw printer.]
forall (x : True -> T), Eq.{1} (True -> T) (T.mk (T.val (x True.intro))) x