Socket hang up when using axios.get, but not when using https.get

To the best of my knowledge, I am doing the same thing using 2 different approaches:

const https = require("https");
const axios = require("axios");

let httpsAgent = new https.Agent({rejectUnauthorized: false});

axios.get(`https://${hostname}:${port}${path}`, {httpsAgent})
    .then((data) => { console.log("axios success: " + data.substr(0, 100)); })
    .catch((error) => { console.log("axios error: " + error); });

let data = "";
https.get({ hostname, path, port, agent: httpsAgent },
    (response) => {
        response.on("data", (chunk) => { data += chunk; });
        response.on("end", () => { console.log("https success: " + data.substr(0, 100)); });
    })
    .on("error", (error) => { console.log("https error: " + error); });

When I run this code, i get 2 different outcomes:

PS C:\Users\me> .\node\node.exe .\generate-test-data.js
axios error: Error: socket hang up
https success: [{"cool":"data"...

What is going on here? I have a feeling it has to do with asynchronicity, but not quite sure how... Can somebody give me a hint as to how/why these 2 behaviors are different?

via Lucas