rustup+cargo: command not found on container rebuild

[KaiWalter]

When I rebuild a container based on the template I have these errors in creation log:

2022-01-11T18:08:19:  => [4/4] RUN bash ./setup.sh                                            109.7s
2022-01-11T18:08:19:  => => # ./setup.sh: line 17: rustup: command not found                        
2022-01-11T18:08:19:  => => # ./setup.sh: line 18: rustup: command not found                        
2022-01-11T18:08:19:  => => # ./setup.sh: line 19: rustup: command not found                        
2022-01-11T18:08:19:  => => # ./setup.sh: line 20: rustup: command not found                        
2022-01-11T18:08:19:  => => # ./setup.sh: line 22: cargo: command not found                         
2022-01-11T18:08:19:  => => # ./setup.sh: line 23: cargo: command not found