Always getting Broken pipe (32) on rsync

**Description**

Every cron'd rsync invocation results in this message:

```plaintext
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1668) [Receiver=3.1.2]
rsync: [Receiver] write error: Broken pipe (32)
```

Files will synchronize successfully, but users could definitely be led to thinking something is wrong.

**Steps to Reproduce**
Steps to reproduce the behavior:
1. put a file in /groundstation
2. wait a minute
3. check the contents of `logs/spacestation-sync.log`

**Expected behavior**

groundstation to spacestation synchronization without errors

**Actual behavior**

the error always occurs

**Additional context**

n/a