The following derivations will be built:
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   /gnu/store/vd45lgrs7m4pr7nw28kk1yldr7yw1piw-updmap.cfg-51265.drv
   /gnu/store/vj9klb8dy8fp2k8x1v77l9aax2aq9w94-texlive-latex-amscls-51265.drv
   /gnu/store/sj7g8qrnf9kn340h4fz6fsjjgf73ljnx-texlive-latex-amscls-51265-checkout.drv

building /gnu/store/fcf8d1v2h02g3k3shl2wnxcm0lyl2hm3-texlive-fontname-51265.drv...
building /gnu/store/20g6mvz00kw749y27kyjnw2y22gl6wgh-texlive-bin-pdftex-poppler0.76.patch.drv...
sha256 hash mismatch for /gnu/store/i5a5jv9zipfw30xmvmk9d3zlk1m7j7yg-texlive-bin-pdftex-poppler0.76.patch:
  expected hash: 03vc88dz37mjjyaspzv0fik2fp5gp8qv82114869akd1dhszbaax
  actual hash:   0cx636240vbvy38qp8rkn0992h4gq4sylanwpa1gpzpim2hy3iwx
hash mismatch for store item '/gnu/store/i5a5jv9zipfw30xmvmk9d3zlk1m7j7yg-texlive-bin-pdftex-poppler0.76.patch'
build of /gnu/store/20g6mvz00kw749y27kyjnw2y22gl6wgh-texlive-bin-pdftex-poppler0.76.patch.drv failed
View build log at '/var/log/guix/drvs/20/g6mvz00kw749y27kyjnw2y22gl6wgh-texlive-bin-pdftex-poppler0.76.patch.drv.bz2'.
cannot build derivation `/gnu/store/ijgxlc82f3j0zn3dp6p9b58z6gc545r1-texlive-20190410-source.tar.xz.drv': 1 dependencies couldn't be built
building /gnu/store/4wfgc3m14cj11yf1xsm8h6ffxf3fpq99-texlive-fonts-knuth-lib-51265-checkout.drv...
cannot build derivation `/gnu/store/xl7gsd1366w6607y7dixdamx65kqjdq4-texlive-bin-20190410.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/pj9v2lmfy5463946fzmay3s8kidp1bj5-po4a-0.61.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/bggr6ani8pxzc9q05f4x72ic2pjzwpyv-guix-1.3.0.drv': 1 dependencies couldn't be built
guix system: error: build of `/gnu/store/bggr6ani8pxzc9q05f4x72ic2pjzwpyv-guix-1.3.0.drv' failed