docusaurus build exists early

[littledivy]

git clone https://github.com/denoland/deno-docs && cd deno-docs

deno upgrade --canary
DENO_FUTURE=1 deno task build

[littledivy]

Painful to debug but I think I tracked it down to the SSG plugin in Docusaurus. https://github.com/facebook/docusaurus/blob/73016d4936164ba38d4b86ec2aa8c168b5904a21/packages/docusaurus/src/ssg.ts#L249-L250

[littledivy]

Process 34400 launched: '/home/divy/gh/littledivy/deno/target/debug/deno' (x86_64)
[INFO] [en] Creating an optimized production build...
[ "/home/divy/gh/littledivy/my-website/static" ]

✔ Client
  Compiled successfully in 1.87s

✔ Server
  

Process 34400 stopped
* thread #1, name = 'deno', stop reason = signal SIGSEGV: invalid address (fault address: 0x0)
    frame #0: 0x000055555eff0ca2 deno`core::core_arch::x86::sse2::_mm_loadu_si128::h7a2c9eedf3d
5ad06 [inlined] core::intrinsics::copy_nonoverlapping::hd9d136cadbb174fa(src="", dst="", count=
16) at intrinsics.rs:2702:9
(lldb) up
frame #1: 0x000055555eff0ca2 deno`core::core_arch::x86::sse2::_mm_loadu_si128::h7a2c9eedf3d5ad0
6(mem_addr=0x000096a589c915f0) at sse2.rs:1241:5
(lldb) up
frame #2: 0x000055555efdd180 deno`hashbrown::raw::RawTable$LT$T$C$A$GT$::find::h7fffc08ef3e260e
9 at sse2.rs:53:15
(lldb) up
frame #3: 0x000055555efdd17b deno`hashbrown::raw::RawTable$LT$T$C$A$GT$::find::h7fffc08ef3e260e
9 at mod.rs:2187:34
(lldb) up
frame #4: 0x000055555efdd0d7 deno`hashbrown::raw::RawTable$LT$T$C$A$GT$::find::h7fffc08ef3e260e
9(self=0x0000555565a8c7f0, hash=14514092052931611360, eq={closure_env#0}<core::any::TypeId, cor
e::any::TypeId, v8::isolate::RawSlot> @ 0x00007ffffffc1e28) at mod.rs:1464:26
(lldb) up
frame #5: 0x000055555efdcfdb deno`hashbrown::raw::RawTable$LT$T$C$A$GT$::get::h0a8ba4edb5b17f06
(self=0x0000555565a8c7f0, hash=14514092052931611360, eq={closure_env#0}<core::any::TypeId, core
::any::TypeId, v8::isolate::RawSlot> @ 0x00007ffffffc20c0) at mod.rs:1481:15
(lldb) up
frame #6: 0x000055555eff8497 deno`hashbrown::map::HashMap$LT$K$C$V$C$S$C$A$GT$::get::h2f4edba0c
a847629 at map.rs:1359:13
(lldb) up
frame #7: 0x000055555eff8447 deno`hashbrown::map::HashMap$LT$K$C$V$C$S$C$A$GT$::get::h2f4edba0c
a847629(self=0x0000555565a8c7f0, k=0x00007ffffffc2528) at map.rs:1313:20
(lldb) up
frame #8: 0x000055555f000434 deno`std::collections::hash::map::HashMap$LT$K$C$V$C$S$GT$::get::h
ef8cd182ac67cc96(self=0x0000555565a8c7f0, k=0x00007ffffffc2528) at map.rs:879:9
(lldb) up
frame #9: 0x000055555ebde9c0 deno`deno_core::runtime::bindings::promise_reject_callback::h1c51e
b30389968db at context.rs:227:7
   224      isolate: &'a mut Isolate,
   225    ) -> Option<&'a T> {
   226      if let Some(annex) = self.get_annex_mut(isolate, false) {
-> 227        annex.slots.get(&TypeId::of::<T>()).map(|slot| {
   228          // SAFETY: `Self::set_slot` guarantees that only values of type T will be
   229          // stored with T's TypeId as their key.
   230          unsafe { slot.borrow::<T>() }
(lldb) up
frame #10: 0x000055555ebde914 deno`deno_core::runtime::bindings::promise_reject_callback::h1c51
eb30389968db at jsrealm.rs:216:5
   213      scope: &mut v8::HandleScope,
   214    ) -> Rc<ExceptionState> {
   215      let context = scope.get_current_context();
-> 216      context
   217        .get_slot::<Rc<ContextState>>(scope)
   218        .unwrap()
   219        .exception_state
(lldb) up
frame #11: 0x000055555ebde2df deno`deno_core::runtime::bindings::promise_reject_callback::h1c51
eb30389968db(message=PromiseRejectMessage @ 0x00007ffffffc25f0) at bindings.rs:657:25
   654    // SAFETY: `CallbackScope` can be safely constructed from `&PromiseRejectMessage`
   655    let scope = &mut unsafe { v8::CallbackScope::new(&message) };
   656 
-> 657    let exception_state = JsRealm::exception_state_from_scope(scope);
   658    exception_state.track_promise_rejection(
   659      scope,
   660      message.get_promise(),
(lldb) up
frame #12: 0x000055555f100ba2 deno`v8::internal::Isolate::ReportPromiseReject(v8::internal::Han
dle<v8::internal::JSPromise>, v8::internal::Handle<v8::internal::Object>, v8::PromiseRejectEven
t) at isolate.cc:6074:3
(lldb) up
frame #13: 0x000055555fa8b193 deno`v8::internal::Runtime_PromiseResolveAfterResolved(int, unsig
ned long*, v8::internal::Isolate*) at runtime-promise.cc:42:1
(lldb) up
frame #14: 0x000055555f7f2c36 deno`Builtins_CEntry_Return1_ArgvOnStack_NoBuiltinExit + 54
deno`Builtins_CEntry_Return1_ArgvOnStack_NoBuiltinExit:
->  0x55555f7f2c36 <+54>: cmpq   0x2d0(%r13), %rax
    0x55555f7f2c3d <+61>: je     0x55555f7f2c5d            ; <+93>
    0x55555f7f2c43 <+67>: leave  
    0x55555f7f2c44 <+68>: movq   0xa0(%r13), %rsi
(lldb) up
frame #15: 0x000055555f86a64d deno`Builtins_PromiseCapabilityDefaultResolve + 141
deno`Builtins_PromiseCapabilityDefaultResolve:
->  0x55555f86a64d <+141>: jmp    0x55555f86a61e            ; <+94>
    0x55555f86a64f <+143>: movq   %rsi, -0x20(%rbp)
    0x55555f86a653 <+147>: movq   0x3cd0(%r13), %rbx
    0x55555f86a65a <+154>: xorl   %eax, %eax