these 4 derivations will be built:
  /nix/store/15c4fzrssv9047dhlyx04hp9b27mhw6w-python3-3.10.9-env.drv
  /nix/store/5nih93jgrdqxpkkz9kzp9s6cr1mj95gv-boost-1.78.0.drv
  /nix/store/7dvwbwnjvbfiqhx1bibm1y9wf34x94xh-scons-3.1.2.drv
  /nix/store/z19lk1nygpxvx1prmzayls6izqb1xmin-mongodb-6.0.1.drv
these 11 paths will be fetched (1.6 MiB download, 8.2 MiB unpacked):
  /nix/store/kj747mcnqn8vbr8rmbq4b5p6h99r77fx-boost-build-boost-1.78.0
  /nix/store/k4ysdc54p8630wzl7i4m7awjqczc4jsa-cyrus-sasl-2.1.28
  /nix/store/pm40l33p7lg81w2hg2qqyc1nmipjblwf-cyrus-sasl-2.1.28-bin
  /nix/store/77wsf3mhvba5m91zq3zkmnj0sfsysrlp-cyrus-sasl-2.1.28-dev
  /nix/store/jasy0flnpmkdnnd3fjgj20hvlk7bmq8j-pcre-cpp-8.45
  /nix/store/nj6k5p321zlphkrnxyk19fimrncz9ip2-pcre-cpp-8.45-bin
  /nix/store/1d1n9mnwb11gfax9lvaxd25jlgi9dnp8-pcre-cpp-8.45-dev
  /nix/store/m710vizqyl6p1pbmsnifakrbk174xj9j-python3.10-Cheetah3-3.2.6.post2
  /nix/store/5z39y76p7kmxis1sl63wzhf85kijbq0k-python3.10-psutil-5.9.4
  /nix/store/nfxsy9da09mh6plfzcn42yws8q38xblb-python3.10-pymongo-4.2.0
  /nix/store/6val5gfnz7abrwwsqrl2azy4wr9knw10-snappy-1.1.9-dev
error: timed out after 1200 seconds