Docker container exiting with error 137

I am using a docker container having base image ubuntu 20.04 for building c/c++ code using llvm compiler. The container is exiting with error code 137 but when I check with docker stats never I see the ram getting exhausted.

The Environment details

Host OS : Ubuntu 20.04

Docker Info out put :
docker info
Client: Docker Engine - Community
Version: 25.0.3
Context: default
Debug Mode: false
buildx: Docker Buildx (Docker Inc.)
Version: v0.12.1
Path: /usr/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v2.24.6
Path: /usr/libexec/docker/cli-plugins/docker-compose

Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 1
Server Version: 25.0.3
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Using metacopy: false
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
Cgroup Version: 1
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
Init Binary: docker-init
containerd version: ae07eda36dd25f8a1b98dfbf587313b99c0190bb
runc version: v1.1.12-0-g51d5e94
init version: de40ad0
Security Options:
Profile: builtin
Kernel Version: 5.15.0-97-generic
Operating System: Ubuntu 20.04.6 LTS
OSType: linux
Architecture: x86_64
CPUs: 12
Total Memory: 31.15GiB
Name: ubn5cd0027709
ID: a8d74087-497e-4cf1-80c1-93d89d2d3b21
Docker Root Dir: /var/lib/docker
Debug Mode: false
Experimental: false
Insecure Registries:
Live Restore Enabled: false