build error

build failed with exit code: 1, message: None

Build logs:

--> FROM docker.io/library/python:3.8.9@sha256:49d05fff9cb3b185b15ffd92d8e6bd61c20aa916133dca2e3dbe0215270faf53
DONE 0.0s

--> RUN apt-get update && apt-get install -y git-lfs
CACHED

--> RUN git lfs install
CACHED

--> RUN apt-get update && apt-get install -y         ffmpeg         libsm6         libxext6         cmake         libgl1-mesa-glx
CACHED

--> COPY packages.txt /root/packages.txt
DONE 0.0s

--> RUN apt-get update && xargs -r -a /root/packages.txt apt-get install -y
Get:1 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB]
Hit:2 http://deb.debian.org/debian buster InRelease
Get:3 http://deb.debian.org/debian buster-updates InRelease [51.9 kB]
Fetched 117 kB in 16s (7425 B/s)
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
E: Unable to locate package ffmpeg
E: Unable to locate package libsm6

--> ERROR: process "/bin/sh -c apt-get update && xargs -r -a /root/packages.txt apt-get install -y" did not complete successfully: exit code: 123