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Date: Fri, 11 Sep 2020 16:28:17 +0200 (CEST)
From: Dietmar Maurer <dietmar@proxmox.com>
To: Proxmox Backup Server development discussion <pbs-devel@lists.proxmox.com>, 
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Subject: Re: [pbs-devel] [PATCH proxmox-backup 5/6] BackupDir: make
 constructor fallible
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> On 09/11/2020 4:12 PM Dietmar Maurer <dietmar@proxmox.com> wrote:
> 
>  
> > since converting from i64 epoch timestamp to DateTime is not always
> > possible. 
> 
> In our case we use UTC, and nanosecs is 0. So when will that fail?

The chrono source code contains the following comment:

  /// Converts the UTC `NaiveDateTime` to the local time.
  /// The UTC is continuous and thus this cannot fail (but can give the duplicate local time).
  fn from_utc_datetime(&self, utc: &NaiveDateTime) -> DateTime<Self> {


So what does that mean?