docker-compose up -d fails with errors in crontab file

[okfro]

Running docker-compose up -d eventually fails with this error:

Step 28/28 : RUN chmod 0644 /etc/cron.d/magento2-cron     && crontab -u www-data /etc/cron.d/magento2-cron
 ---> Running in fbdd496e3d53
"/etc/cron.d/magento2-cron":2: bad minute
errors in crontab file, can't install.
ERROR: Service 'web' failed to build: The command '/bin/sh -c chmod 0644 /etc/cron.d/magento2-cron     && crontab -u www-data /etc/cron.d/magento2-cron' returned a non-zero code: 1

Version

• Output of docker version:

Client: Docker Engine - Community
 Version:           19.03.1
 API version:       1.40
 Go version:        go1.12.5
 Git commit:        74b1e89
 Built:             Thu Jul 25 21:17:08 2019
 OS/Arch:           windows/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          19.03.1
  API version:      1.40 (minimum version 1.12)
  Go version:       go1.12.5
  Git commit:       74b1e89
  Built:            Thu Jul 25 21:17:52 2019
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          v1.2.6
  GitCommit:        894b81a4b802e4eb2a91d1ce216b8817763c29fb
 runc:
  Version:          1.0.0-rc8
  GitCommit:        425e105d5a03fabd737a126ad93d62a9eeede87f
 docker-init:
  Version:          0.18.0
  GitCommit:        fec3683

• Output of docker info:

Client:
 Debug Mode: false

Server:
 Containers: 6
  Running: 3
  Paused: 0
  Stopped: 3
 Images: 8
 Server Version: 19.03.1
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: true
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 894b81a4b802e4eb2a91d1ce216b8817763c29fb
 runc version: 425e105d5a03fabd737a126ad93d62a9eeede87f
 init version: fec3683
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 4.9.184-linuxkit
 Operating System: Docker Desktop
 OSType: linux
 Architecture: x86_64
 CPUs: 4
 Total Memory: 6.064GiB
 Name: docker-desktop
 ID: NJTM:5WFU:VTOA:I67C:7BQS:E3I3:TGSU:DVIO:C2EO:RKGA:RG53:E5ET
 Docker Root Dir: /var/lib/docker
 Debug Mode: true
  File Descriptors: 76
  Goroutines: 98
  System Time: 2019-08-12T15:39:09.8028854Z
  EventsListeners: 1
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false
 Product License: Community Engine

• Output of docker-compose version:

docker-compose version 1.24.1, build 4667896b
docker-py version: 3.7.3
CPython version: 3.6.8
OpenSSL version: OpenSSL 1.0.2q  20 Nov 2018