computing 16,067 package derivations for x86_64-linux...
http://ci.guix.gnu.org
  93.7% substitutes available (16,358 out of 17,450)
  at least 95,297.3 MiB of nars (compressed)
  155,013.6 MiB on disk (uncompressed)
  0.001 seconds per request (23.9 seconds in total)
  728.8 requests per second

  0.0% (0 out of 1,092) of the missing items are queued
  10 queued builds
      i586-gnu: 8 (80.0%)
      armhf-linux: 1 (10.0%)
      aarch64-linux: 1 (10.0%)
  build rate: 93.72 builds per hour
      x86_64-linux: 37.58 builds per hour
      aarch64-linux: 8.90 builds per hour
      i686-linux: 47.25 builds per hour
619 packages are missing from 'http://ci.guix.gnu.org' for 'x86_64-linux', among which:
   171	ktextwidgets@5.70.0	/gnu/store/v6vwq31nddqvmmm4m5rq0bh9ps4ixsrp-ktextwidgets-5.70.0 
   169	kwallet@5.70.0	/gnu/store/4ymq5y2pwqgxxsci195yikpc8z7lhwcc-kwallet-5.70.0 
   165	kwayland@5.70.0	/gnu/store/96pj5kgrnjngahnmp1iximi3078fflfy-kwayland-5.70.0 
   119	java-snappy@1.1.7.5	/gnu/store/6iwdafv47k4xdl83qd31iy8jhnml7fvi-java-snappy-1.1.7.5 
    43	kwayland@5.70.0	/gnu/store/96pj5kgrnjngahnmp1iximi3078fflfy-kwayland-5.70.0 
    37	python2-cairocffi@1.2.0	/gnu/store/0ar83vhd2kj2hgf6jsg86hmh5wv58nk3-python2-cairocffi-1.2.0-doc /gnu/store/v2nqi5a3igwk071kpr5g7ja25xcsn596-python2-cairocffi-1.2.0 
    35	antlr4@4.1	/gnu/store/20qfiaf2n25wr6y6fh2wqa4nx2p7xff8-antlr4-4.1 
    33	java-tunnelvisionlabs-antlr4@4.7.4	/gnu/store/l6plmf1319593193nlkkayvpxmyasajk-java-tunnelvisionlabs-antlr4-4.7.4 
    30	python2-numpydoc@0.8.0	/gnu/store/k9hrxv9zcp2jpnqamdc42n438vvhgzrv-python2-numpydoc-0.8.0 
    19	java-slf4j-simple@1.7.25	/gnu/store/ygcycr0zgbcwwqa15s8lapd8ilkrwn95-java-slf4j-simple-1.7.25 
    18	cl-ironclad@0.54	/gnu/store/nkp4a7klqmxm1zybi3cv90s35dfnisiv-cl-ironclad-0.54 
    18	linux-libre@5.10.9	/gnu/store/9i0wz41fv6dxapmkfn06bg19b4hyvgsm-linux-libre-5.10.9 
    13	r-cytolib@2.2.0	/gnu/store/qrz1y4wby42dk75yy16myi9m1zijjrkn-r-cytolib-2.2.0