Acme timer broken?

acme-redbrick.dcu.ie.service

# /nix/store/yrr0bgdbrr2cf0dqclrxr2d5ynj6vrps-unit-acme-redbrick.dcu.ie.service/acme-redbrick.dcu.ie.service
[Unit]
After=network.target network-online.target
Description=Renew ACME Certificate for redbrick.dcu.ie
Wants=network-online.target

[Service]
Environment="LOCALE_ARCHIVE=/nix/store/da0h55nhsipysryz9zcb9i7chbqffa45-glibc-locales-2.30/lib/locale/locale-archive"
Environment="PATH=/nix/store/sn2fzbavnsb9sfff39ylkd6njfmh9gif-coreutils-8.31/bin:/nix/store/0c9izfknmjqgxwlnszi35ps5ds35yfi1-findutils-4.7.0/bin:/nix/store/g9317haqh75hj5x05yq6na2y21xcl2a5-gnugrep-3.4/bin:/nix/store/r540lhrdmgzccx3q6s55w08bikj7z5lr-gnused-4.8/bin:/nix/st>
Environment="TZDIR=/nix/store/rqzv14x4jnw5025n6r2chr6ar8wadr8g-tzdata-2019c/share/zoneinfo"



EnvironmentFile=/var/secrets/certs.secret
ExecStart=/nix/store/59dkm521an89x1fhwhsyp6nfcgvrfdw0-acme-start
ExecStartPost=+/nix/store/2r6vi106zj8pmp01da41klz0zmmpd3l6-acme-post-start
Group=root
PrivateTmp=true
RemainAfterExit=true
StateDirectory=acme/.lego acme/redbrick.dcu.ie
StateDirectoryMode=700
Type=oneshot
User=root
WorkingDirectory=/var/lib/acme/.lego

acme-redbrick.dcu.ie.timer

# /nix/store/vx6j7k668niysvg43c16wvkkadhnn7g8-unit-acme-redbrick.dcu.ie.timer/acme-redbrick.dcu.ie.timer
[Unit]
Description=Renew ACME Certificate for redbrick.dcu.ie

[Timer]
AccuracySec=5m
OnCalendar=weekly
Persistent=yes
RandomizedDelaySec=1h
Unit=acme-redbrick.dcu.ie.service

logs.txt

[root@hardcase:~]# systemctl status acme-redbrick.dcu.ie.timer
● acme-redbrick.dcu.ie.timer - Renew ACME Certificate for redbrick.dcu.ie
   Loaded: loaded (/nix/store/vx6j7k668niysvg43c16wvkkadhnn7g8-unit-acme-redbrick.dcu.ie.timer/acme-redbrick.dcu.ie.timer; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2020-02-23 18:20:35 GMT; 1 months 11 days ago
  Trigger: n/a

Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

[root@hardcase:~]# systemctl status acme-redbrick.dcu.ie.service
● acme-redbrick.dcu.ie.service - Renew ACME Certificate for redbrick.dcu.ie
   Loaded: loaded (/nix/store/yrr0bgdbrr2cf0dqclrxr2d5ynj6vrps-unit-acme-redbrick.dcu.ie.service/acme-redbrick.dcu.ie.service; linked; vendor preset: enabled)
   Active: active (exited) since Tue 2020-03-03 18:49:12 GMT; 1 months 2 days ago
 Main PID: 8622 (code=exited, status=0/SUCCESS)
       IP: 4.6K in, 1.0K out
    Tasks: 0 (limit: 4915)
   Memory: 0B
      CPU: 0
   CGroup: /system.slice/acme-redbrick.dcu.ie.service

Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.