feat: patch chrono

javascript-engine/external/chrono/ci/core-test/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "core-test"
+version = "0.1.0"
+authors = [
+    "Kang Seonghoon <public+rust@mearie.org>",
+    "Brandon W Maister <quodlibetor@gmail.com>",
+]
+edition = "2018"
+
+[dependencies]
+chrono = { path = "../..", default-features = false, features = ["serde"] }
+
+[features]
+alloc = ["chrono/alloc"]

javascript-engine/external/chrono/ci/core-test/src/lib.rs

@@ -0,0 +1,7 @@
+#![no_std]
+
+use chrono::{TimeZone, Utc};
+
+pub fn create_time() {
+    let _ = Utc.with_ymd_and_hms(2019, 1, 1, 0, 0, 0).unwrap();
+}