$ apt install wget -y

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

Reading package lists...
Building dependency tree...
Reading state information...
E: Unable to locate package wget
section_end:1550325842:build_script
section_start:1550325842:after_script
section_end:1550325842:after_script
section_start:1550325842:upload_artifacts_on_failure
section_end:1550325842:upload_artifacts_on_failure
ERROR: Job failed: command terminated with exit code 1