Truncated offloading (failed) build logs

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  • Maxim Cournoyer
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Maxim Cournoyer
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M
M
Maxim Cournoyer wrote on 9 Aug 2021 17:15
(name . bug-guix)(address . bug-guix@gnu.org)
87o8a61wfe.fsf@gmail.com
Hello,

I've been bit by this for some time already, but just thought now to
look if the problem was known (it seems not!) and report it otherwise,
so here is an example:

Toggle snippet (36 lines)
building /gnu/store/cld6pxi337zjh7r177vvfnqi1v5mwbhq-shepherd-containerd.scm.drv...
The following builds are still in progress:
/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv
/gnu/store/cld6pxi337zjh7r177vvfnqi1v5mwbhq-shepherd-containerd.scm.drv
/gnu/store/z5fiwm0srghdgadyglhphkl2d9p16qhl-linux-modules.drv
/gnu/store/l0p2ks1zv4sqmska9aig4kf1vbx3xf7v-linux-module-database.drv

applying 7 grafts for /gnu/store/4kkhyjyl80707ywi5ciy7qvh91d699g2-alsa-plugins-1.2.2.drv ...
build of /gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv failed
View build log at '/var/log/guix/drvs/i4/694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv'.
The following builds are still in progress:
/gnu/store/4kkhyjyl80707ywi5ciy7qvh91d699g2-alsa-plugins-1.2.2.drv
/gnu/store/z5fiwm0srghdgadyglhphkl2d9p16qhl-linux-modules.drv
/gnu/store/l0p2ks1zv4sqmska9aig4kf1vbx3xf7v-linux-module-database.drv

cannot build derivation `/gnu/store/yn1a2p3fszyxfgcvlvl2q9rn7l9pgshm-profile.drv': 1 dependencies couldn't be built
building /gnu/store/fcwwmdrby872iia0hyqslc9zp9bk41yb-shepherd-dockerd.scm.drv...
building /gnu/store/w076c88069a16in66jdybf4laby81hmq-shepherd-file-system--data.scm.drv...
building /gnu/store/p7ad6vs4clm35zjs2hkwyv6w4nj8qp7c-shepherd-file-system--home.scm.drv...
cannot build derivation `/gnu/store/c42qvzkkxbdajlr01qq2yg3bdj2dfw30-shepherd-mcron.scm.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/cbkhf7pnghcb6ilcsyb28df6jsgiwdld-system.drv': 1 dependencies couldn't be built
guix system: error: build of `/gnu/store/cbkhf7pnghcb6ilcsyb28df6jsgiwdld-system.drv' failed

$ tail /var/log/guix/drvs/i4/694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/schedule-2.sh' -> `./tests/schedule-2.sh'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/schedule.sh' -> `./tests/schedule.sh'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/utils.scm' -> `./tests/utils.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/vixie-time.scm' -> `./tests/vixie-time.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/cron.in' -> `./src/cron.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/crontab.in' -> `./src/crontab.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron.in' -> `./src/mcron.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/base.scm' -> `./src/mcron/base.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/config.scm.in' -> `./src/mcron/config.scm.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/core.s

The failure is no where to be seen in the mcron build log. I've
attempting to build a custom version of mcron with a local patch, and it
probably is missing dev inputs such as autoconf and automake.

Manually rebuilding the failed derivation lead to a correct build log:

Toggle snippet (98 lines)
$ guix build /gnu/store/c42qvzkkxbdajlr01qq2yg3bdj2dfw30-shepherd-mcron.scm.drvThe following derivations will be built:
/gnu/store/c42qvzkkxbdajlr01qq2yg3bdj2dfw30-shepherd-mcron.scm.drv
/gnu/store/4p3x9ad4mgm7dcaiqm7iji91z6g32kf4-mcron-job.drv
/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv
/gnu/store/7akn409y8j5f06n18c718mgwv67bpxaj-mcron-job.drv
/gnu/store/f3igmc858xz671q9rfzjnrylml9rw30c-mcron-job.drv
/gnu/store/g4p3rpr758kizzk386r043qj15s5n4w9-mcron-job.drv
/gnu/store/vv023f5r962drsilnirv032rj655wsbd-mcron-job.drv
/gnu/store/w8mrns4c5gbsc0lb5sd3069ph7salpnp-mcron-job.drv
process 17285 acquired build slot '/var/guix/offload/127.0.0.1:6666/0'
normalized load on machine '127.0.0.1' is 0.02
building /gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv...
guix offload: sending 0 store items (0 MiB) to '127.0.0.1'...
offloading '/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv' to '127.0.0.1'...
offloading build of /gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv to '127.0.0.1'
@ build-started /gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv - x86_64-linux /var/log/guix/drvs/i4//694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv 24663
starting phase `set-SOURCE-DATE-EPOCH'
phase `set-SOURCE-DATE-EPOCH' succeeded after 0.0 seconds
starting phase `set-paths'
environment variable `PATH' set to `/gnu/store/krpyb0zi700dcrg9cc8932w4v0qivdg9-pkg-config-0.29.2/bin:/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2/bin:/gnu/store/v6f44zccwh9z5zk3pjlywjybbi8n2hjh-tar-1.32/bin:/gnu/store/ncydgq2znms5n1d2k5yqshhf58nsixwv-gzip-1.10/bin:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/bin:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/bin:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/bin:/gnu/store/n4n560pfvvw50a9369axw5vj5rrqfj1n-diffutils-3.7/bin:/gnu/store/cd5qf3kcnlq35p9k392pjdpdzpsnds70-patch-2.7.6/bin:/gnu/store/hic7snhayfl7m6cpfqqr73nmm19bpqkg-findutils-4.7.0/bin:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/bin:/gnu/store/ishk7fswcs4gkwcp8mh788z4mvvl9bxh-sed-4.8/bin:/gnu/store/bhs4rj58v8j1narb2454raan2ps38xd8-grep-3.4/bin:/gnu/store/57xj5gcy1jbl9ai2lnrqnpr0dald9i65-coreutils-8.32/bin:/gnu/store/hm40bxnv8jxmbc1lpb7zfimii4xm9m81-make-4.3/bin:/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin:/gnu/store/mpa04aq8lblbcviyxywxcsb1zbi0mf39-ld-wrapper-0/bin:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/bin:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/bin:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/bin:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/sbin'
environment variable `PKG_CONFIG_PATH' set to `/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2/lib/pkgconfig:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/lib/pkgconfig:/gnu/store/35afkywncrr5xsb4cxcljf6rpjcb7f61-gmp-6.2.0/lib/pkgconfig:/gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-8.0.4/lib/pkgconfig'
environment variable `GUILE_LOAD_PATH' unset
environment variable `GUILE_LOAD_COMPILED_PATH' unset
environment variable `BASH_LOADABLES_PATH' unset
environment variable `C_INCLUDE_PATH' set to `/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2/include:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/include:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/include:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/include:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/include:/gnu/store/hm40bxnv8jxmbc1lpb7zfimii4xm9m81-make-4.3/include:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/include:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include:/gnu/store/35afkywncrr5xsb4cxcljf6rpjcb7f61-gmp-6.2.0/include:/gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-8.0.4/include:/gnu/store/i5a9qb07y9xjh9ry8hp6km43kji16nmd-libltdl-2.4.6/include:/gnu/store/4i9lvjz9z9j4kj412jpqv4zxjcik9qcb-libunistring-0.9.10/include:/gnu/store/gfapkk5c6hvl1d94m4sqnhn7f9l5gqyh-linux-libre-headers-5.4.20/include'
environment variable `CPLUS_INCLUDE_PATH' set to `/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2/include:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/include:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/include:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/include:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/include:/gnu/store/hm40bxnv8jxmbc1lpb7zfimii4xm9m81-make-4.3/include:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/include:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include:/gnu/store/35afkywncrr5xsb4cxcljf6rpjcb7f61-gmp-6.2.0/include:/gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-8.0.4/include:/gnu/store/i5a9qb07y9xjh9ry8hp6km43kji16nmd-libltdl-2.4.6/include:/gnu/store/4i9lvjz9z9j4kj412jpqv4zxjcik9qcb-libunistring-0.9.10/include:/gnu/store/gfapkk5c6hvl1d94m4sqnhn7f9l5gqyh-linux-libre-headers-5.4.20/include'
environment variable `LIBRARY_PATH' set to `/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2/lib:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/lib:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/lib:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/lib:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/lib:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/lib:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib:/gnu/store/s3dcqzwqaakv1yx37by9chksdbkgih17-glibc-2.31-static/lib:/gnu/store/hwcky7446s952w0mwchhmm211ll07zrq-glibc-utf8-locales-2.31/lib:/gnu/store/35afkywncrr5xsb4cxcljf6rpjcb7f61-gmp-6.2.0/lib:/gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-8.0.4/lib:/gnu/store/i5a9qb07y9xjh9ry8hp6km43kji16nmd-libltdl-2.4.6/lib:/gnu/store/4i9lvjz9z9j4kj412jpqv4zxjcik9qcb-libunistring-0.9.10/lib'
environment variable `GUIX_LOCPATH' set to `/gnu/store/hwcky7446s952w0mwchhmm211ll07zrq-glibc-utf8-locales-2.31/lib/locale'
phase `set-paths' succeeded after 0.0 seconds
starting phase `install-locale'
using 'en_US.utf8' locale for category "LC_ALL"
phase `install-locale' succeeded after 0.0 seconds
starting phase `unpack'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/.dir-locals.el' -> `./.dir-locals.el'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/.gitignore' -> `./.gitignore'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/.prev-version' -> `./.prev-version'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/AUTHORS' -> `./AUTHORS'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/ChangeLog' -> `./ChangeLog'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/ChangeLog.old' -> `./ChangeLog.old'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/HACKING' -> `./HACKING'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/Makefile.am' -> `./Makefile.am'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/NEWS' -> `./NEWS'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/README' -> `./README'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/TODO' -> `./TODO'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/bootstrap' -> `./bootstrap'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/configure.ac' -> `./configure.ac'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/maint.mk' -> `./maint.mk'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/COPYING' -> `./COPYING'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/base.scm' -> `./tests/base.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/basic.sh' -> `./tests/basic.sh'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/environment.scm' -> `./tests/environment.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/init.sh' -> `./tests/init.sh'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/job-specifier.scm' -> `./tests/job-specifier.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/schedule-2.sh' -> `./tests/schedule-2.sh'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/schedule.sh' -> `./tests/schedule.sh'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/utils.scm' -> `./tests/utils.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/tests/vixie-time.scm' -> `./tests/vixie-time.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/cron.in' -> `./src/cron.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/crontab.in' -> `./src/crontab.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron.in' -> `./src/mcron.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/base.scm' -> `./src/mcron/base.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/config.scm.in' -> `./src/mcron/config.scm.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/core.scm' -> `./src/mcron/core.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/environment.scm' -> `./src/mcron/environment.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/job-specifier.scm' -> `./src/mcron/job-specifier.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/redirect.scm' -> `./src/mcron/redirect.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/utils.scm' -> `./src/mcron/utils.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/vixie-specification.scm' -> `./src/mcron/vixie-specification.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/vixie-time.scm' -> `./src/mcron/vixie-time.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/scripts/cron.scm' -> `./src/mcron/scripts/cron.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/scripts/crontab.scm' -> `./src/mcron/scripts/crontab.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/src/mcron/scripts/mcron.scm' -> `./src/mcron/scripts/mcron.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/doc/config.texi.in' -> `./doc/config.texi.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/doc/mcron.texi' -> `./doc/mcron.texi'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/doc/fdl.texi' -> `./doc/fdl.texi'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/announce-gen' -> `./build-aux/announce-gen'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/do-release-commit-and-tag' -> `./build-aux/do-release-commit-and-tag'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/gnu-web-doc-update' -> `./build-aux/gnu-web-doc-update'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/gnupload' -> `./build-aux/gnupload'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/guix.scm' -> `./build-aux/guix.scm'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/pre-inst-env.in' -> `./build-aux/pre-inst-env.in'
`/gnu/store/7k0zpwb8z6r4s5vsngb484yvvrjk8hx9-mcron-60c35df/build-aux/test-driver.scm' -> `./build-aux/test-driver.scm'
phase `unpack' succeeded after 0.0 seconds
starting phase `bootstrap'
running './bootstrap'
patch-shebang: ./bootstrap: changing `/bin/sh' to `/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin/sh'
+ exec autoreconf -vfi
./bootstrap: line 5: exec: autoreconf: not found
command "./bootstrap" failed with status 127
builder for `/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv' failed with exit code 1
@ build-failed /gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv - 1 builder for `/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv' failed with exit code 1
derivation '/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv' offloaded to '127.0.0.1' failed: build of `/gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv' failed
build of /gnu/store/i4694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv failed
View build log at '/var/log/guix/drvs/i4/694m53nk66izsy3rip2xqwpyaab0cf-mcron-1.2.1.drv'.
cannot build derivation `/gnu/store/c42qvzkkxbdajlr01qq2yg3bdj2dfw30-shepherd-mcron.scm.drv': 1 dependencies couldn't be built
guix build: error: build of `/gnu/store/c42qvzkkxbdajlr01qq2yg3bdj2dfw30-shepherd-mcron.scm.drv' failed

So it seems to have to do when multiple builds are happening
concurrently on the offload machine.

Thanks,

Maxim
?