computing 16,158 package derivations for x86_64-linux...
http://ci.guix.gnu.org
  93.8% substitutes available (16,450 out of 17,541)
  at least 96,681.5 MiB of nars (compressed)
  17,592,186,196,658.8 MiB on disk (uncompressed)
  0.002 seconds per request (33.9 seconds in total)
  517.7 requests per second

  0.1% (1 out of 1,091) of the missing items are queued
  at least 1,000 queued builds
      i686-linux: 98 (9.8%)
      aarch64-linux: 862 (86.2%)
      i586-gnu: 1 (.1%)
      x86_64-linux: 39 (3.9%)
  build rate: 177.66 builds per hour
      x86_64-linux: 55.25 builds per hour
      aarch64-linux: 58.11 builds per hour
      i686-linux: 64.56 builds per hour
612 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 
    34	python2-setuptools@52.0.0	/gnu/store/ndpp1x6wr0npckqrlynhyqahasa6fs2c-python2-setuptools-52.0.0 
    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	cl-ironclad@0.54	/gnu/store/nkp4a7klqmxm1zybi3cv90s35dfnisiv-cl-ironclad-0.54 
    19	java-slf4j-simple@1.7.25	/gnu/store/ygcycr0zgbcwwqa15s8lapd8ilkrwn95-java-slf4j-simple-1.7.25 
    13	r-cytolib@2.2.0	/gnu/store/qrz1y4wby42dk75yy16myi9m1zijjrkn-r-cytolib-2.2.0