>>> Emerging : portage://dev-lang/crystal-1.21.0:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-lang/crystal-1.21.0
             │           └─ file ─┤ 55.23 Mb  	 crystal-1.21.0-1-linux-x86_64.tar.gz
             │                    │ 4.03 Mb  	 crystal-1.21.0.gh.tar.gz
             │ download  portage://dev-libs/boehm-gc-8.2.12
             │           └─ file ─┤ 1.17 Mb  	 gc-8.2.12.tar.gz
             │ download  portage://dev-libs/libatomic_ops-7.10.0
             │           └─ file ─┤ 530.58 Kb  	 libatomic_ops-7.10.0.tar.gz
             │ download  portage://dev-libs/pcl-1.12-r2
             │           └─ file ─┤ 375.96 Kb  	 pcl-1.12.tar.gz

Total: 4 actions (4 downloads), grouped into 1 step.
       61.32 Mb to be downloaded.