Today I've made `guix system reconfigure /etc/config.scm` with icecat and ungoogled-chromium in (operating-system (packages (list ...))) variable and have caught an error:

# guix system reconfigure /etc/config.scm
...
kPtr<net::BidirectionalStreamQuicImpl>, net::BidirectionalStreamImpl::Delegate*, int>; long unsigned int ...indices = {0, 1, 2}]’:
 83% [############################################################ ]??@ build-log 3235 86
??mojo_base::mojom::internal::BigBuffer_Data’ is less than 8 [-Wpacked-not-aligned]
 86% [############################################################### ]builder for `/gnu/store/1kfhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-73.0.3683.103-0.4c7fb6d.drv' failed with exit code 1
build of /gnu/store/1kfhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-73.0.3683.103-0.4c7fb6d.drv failed
View build log at '/var/log/guix/drvs/1k/fhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-73.0.3683.103-0.4c7fb6d.drv.bz2'.
guix system: error: build of `/gnu/store/1kfhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-73.0.3683.103-0.4c7fb6d.drv' failed

Log
/var/log/guix/drvs/1k/fhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-73.0.3683.103-0.4c7fb6d.drv.bz2
is here
http://www.filedropper.com/fhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-7303683103-04c7fb6ddrv
and again
https://nofile.io/f/fwp7JUkF2U5/fhs4njz2dvpry3dqkkj8v62kc49xy6-ungoogled-chromium-73.0.3683.103-0.4c7fb6d.drv.bz2
April 12, 2019 10:17 AM, znavko@disroot.org (mailto:znavko@disroot.org) wrote:
My bug report is this https://github.com/Eloston/ungoogled-chromium/issues/730 (https://github.com/Eloston/ungoogled-chromium/issues/730)

During update with `guix pull && guix package -u` ungoogled-chromium build process stops on build derivation on 84% three times in a row.

$ guix describe
Generation 94 Apr 11 2019 21:13:38 (current)
guix a6de569
repository URL: https://git.savannah.gnu.org/git/guix.git (https://git.savannah.gnu.org/git/guix.git)
branch: master
commit: a6de569ea224a2f482c4d13c5f62240d1b1543a0

$ chromium --version
Chromium 73.0.3683.86

It shows this error message http://0x0.st/zNo0.jpg (http://0x0.st/zNo0.jpg)
"A script on this page may be busy, or it have stopped responding...
Script:chrome://global/content/bindings/popup.xml:276"