When I execute “docker image build -t spot_rna2 .”，there have an error "ERROR: failed to solve: process "/bin/sh -c cpanm Graph" did not complete successfully: exit code: 1"

[LiFengxia8]

=> ERROR [ 4/13] RUN cpanm Graph 26.2s

[ 4/13] RUN cpanm Graph: #0 14.35 --> Working on Graph #0 14.35 Fetching http://www.cpan.org/authors/id/E/ET/ETJ/Graph-0.9726.tar.gz ... OK #0 26.23 #0 26.23 gzip: stdin: unexpected end of file #0 26.23 /bin/tar: Child returned status 1 #0 26.23 /bin/tar: Error is not recoverable: exiting now #0 26.23 ! Failed to unpack Graph-0.9726.tar.gz: no directory #0 26.23 ! Failed to fetch distribution Graph-0.9726

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Dockerfile:6

4 | RUN rm /bin/sh && ln -s /bin/bash /bin/sh 5 | RUN apt-get update && apt-get install -y build-essential wget virtualenv git python-minimal cpanminus gawk 6 | >>> RUN cpanm Graph 7 | 8 | RUN wget 'https://www.dropbox.com/s/h6j53u7wjyj6uir/SPOT-RNA2.tar.xz' || wget 'https://app.nihaocloud.com/f/3e826caf8efc43adaaa0/?dl=1' && tar -xvf SPOT-RNA2.tar.xz && rm SPOT-RNA2.tar.xz

ERROR: failed to solve: process "/bin/sh -c cpanm Graph" did not complete successfully: exit code: 1