use std::collections::HashMap;

fn main() {
    println!("Main function");

    let mut dynamic_hashmap: HashMap<u128, Vec<u128>> = HashMap::new();

    for i in 0.. {
        println!("Allocating {}", i);

        dynamic_hashmap.insert(i, vec![0u128; 1]);

        println!("Done with {}", i);
    }
}

use wasmtime::*;
use wasmtime_wasi::sync::WasiCtxBuilder;

fn main() {
    let mut config = Config::default();
    config.wasm_backtrace_details(WasmBacktraceDetails::Enable);

    let engine = Engine::new(&config).unwrap();

    let mut linker = Linker::new(&engine);
    wasmtime_wasi::add_to_linker(&mut linker, |s| s).unwrap();

    let module = Module::from_file(
        &engine,
        "../wasi-module/target/wasm32-wasi/release/wasi-module.wasm",
    )
    .expect("Failed to load WASM code");

    let wasi = WasiCtxBuilder::new()
        .inherit_stdio()
        .inherit_args()
        .unwrap()
        .build();

    let mut store = Store::new(&engine, wasi);
    let instance = linker.instantiate(&mut store, &module).unwrap();
    let start = instance.get_func(&mut store, "_start").unwrap();

    start.call(&mut store, &[], &mut []).unwrap();
}

Main function
<skipping the middle part of the output>
Done with 446
Allocating 447
Done with 447
Allocating 448
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: wasm trap: out of bounds memory access
wasm backtrace:
    0: 0xa4a6 - <unknown>!memset
    1:  0xaef - <unknown>!hashbrown::raw::RawTable<T,A>::reserve_rehash::h26bc07c215e67f39
    2: 0x11fc - <unknown>!hashbrown::map::HashMap<K,V,S,A>::insert::hcab14c774053cb72
    3:  0xf02 - <unknown>!wasi_module::main::h5008638d866d37b9
    4:  0xcde - <unknown>!std::sys_common::backtrace::__rust_begin_short_backtrace::hce02bccd1261f8e9
    5:  0xd00 - <unknown>!std::rt::lang_start::{{closure}}::h09d9dc18df59a544
    6: 0x332e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6e78117b8a9d340b
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/core/src/ops/function.rs:284:13
              - std::panicking::try::do_call::h06e5708aa9e78a41
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:500:40
              - std::panicking::try::h30762a74ac0bad1d
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:464:19
              - std::panic::catch_unwind::hca60c708f597587b
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panic.rs:142:14
              - std::rt::lang_start_internal::{{closure}}::ha8ed0958145e857d
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/rt.rs:148:48
              - std::panicking::try::do_call::h43211fa41386895b
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:500:40
              - std::panicking::try::hb63d2e2c3bcb8e02
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:464:19
              - std::panic::catch_unwind::h94d3bed564bf5a92
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panic.rs:142:14
              - std::rt::lang_start_internal::h11733158b4539e84
                    at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/rt.rs:148:20
    7:  0xfbf - <unknown>!__main_void
    8:  0x366 - <unknown>!_start
', src/main.rs:29:42
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace