Console Output

+ docker build -t 962c94d320c48ba4b62212a8ebabc22f77ed03e1 -f scripts/docker/Dockerfile.gcc scripts/docker
#1 [internal] load .dockerignore
#1 sha256:e474a8a5d8cc7ffa443e62ee74ee60c29f27e7537aac8dbc1fdf07d992f3fcea
#1 transferring context: 2B done
#1 DONE 0.0s

#2 [internal] load build definition from Dockerfile.gcc
#2 sha256:34560e330859e611f1aaa21236bafff0cc5f2480d29da67c51cd24a8a2f48926
#2 transferring dockerfile: 1.75kB done
#2 DONE 0.0s

#3 [internal] load metadata for docker.io/library/ubuntu:20.04
#3 sha256:8e67b796a66f85f06793e026943184e32d365c77929e94d2ac98b34a1e1cb30e
#3 DONE 0.0s

#8 [1/5] FROM docker.io/library/ubuntu:20.04
#8 sha256:243f75845650c92150b34967f79a539dee49ba028b719b1a41e64f43abcdcac5
#8 DONE 0.0s

#5 [4/5] RUN KEYDUMP_URL=https://cloud.cees.ornl.gov/download &&     KEYDUMP_FILE=keydump &&     wget --quiet ${KEYDUMP_URL}/${KEYDUMP_FILE} &&     wget --quiet ${KEYDUMP_URL}/${KEYDUMP_FILE}.sig &&     gpg --import ${KEYDUMP_FILE} &&     gpg --verify ${KEYDUMP_FILE}.sig ${KEYDUMP_FILE} &&     rm ${KEYDUMP_FILE}*
#5 sha256:035b84f81dcb1fbe0f758c815269ed6a56dc6c44764865d28eac5764fe2cac95
#5 CACHED

#7 [2/5] RUN apt-get update && apt-get upgrade -y && apt-get install -y     build-essential     wget     git     bc     ccache     &&     apt-get clean && rm -rf /var/lib/apt/lists/*
#7 sha256:244cba9621c788fd67785a1d49ac9ec2fbc2026a48bf412ee2cf59bd974486bf
#7 CACHED

#6 [3/5] RUN echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" >> /etc/apt/sources.list &&     echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" >> /etc/apt/sources.list &&     apt-get update && apt-get install -y g++-8 &&     update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 8 &&     update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 8 &&     apt-get clean && rm -rf /var/lib/apt/lists/*
#6 sha256:648562ad4fcfbc4cb8a5014f4428c2d07061154f853f1e27f22af9ca976a3035
#6 CACHED

#4 [5/5] RUN CMAKE_URL=https://github.com/Kitware/CMake/releases/download/v3.16.8 &&     CMAKE_SCRIPT=cmake-3.16.8-Linux-x86_64.sh &&     CMAKE_SHA256=cmake-3.16.8-SHA-256.txt &&     wget --quiet ${CMAKE_URL}/${CMAKE_SHA256} &&     wget --quiet ${CMAKE_URL}/${CMAKE_SHA256}.asc &&     wget --quiet ${CMAKE_URL}/${CMAKE_SCRIPT} &&     gpg --verify ${CMAKE_SHA256}.asc ${CMAKE_SHA256} &&     grep -i ${CMAKE_SCRIPT} ${CMAKE_SHA256} | sed -e s/linux/Linux/ | sha256sum --check &&     mkdir -p /opt/cmake &&     sh ${CMAKE_SCRIPT} --skip-license --prefix=/opt/cmake &&     rm cmake*
#4 sha256:f39f048c28c6b89431d733a6d575d4533501e1152fa6ffa79fbf8559b4150f40
#4 CACHED

#9 exporting to image
#9 sha256:0e163f56b08e5914103540dac487f3575bda7d545e793c8e540334b6c2b5dbae
#9 exporting layers done
#9 writing image sha256:b8a8945b4a09a43c3daeb2e23724012c1c87a6761d46f57662b1655e8a2209d9 done
#9 naming to docker.io/library/962c94d320c48ba4b62212a8ebabc22f77ed03e1:latest done
#9 DONE 0.0s