D: [iurt_root_command] chroot sh: line 4: [: -j8: integer expression expected sh: line 4: [: -j8: integer expression expected Installing /home/pterjan/rpmbuild/SRPMS/rust-serial_test-1.0.0-1.mga10.src.rpm Building target platforms: x86_64 Building for target x86_64 Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.JnQ6qL + umask 022 + cd /home/pterjan/rpmbuild/BUILD + '[' 1 -eq 1 ']' + '[' 1 -eq 1 ']' + '[' 1 -eq 1 ']' + cd /home/pterjan/rpmbuild/BUILD + rm -rf serial_test-1.0.0 + /usr/lib/rpm/rpmuncompress -x /home/pterjan/rpmbuild/SOURCES/serial_test-1.0.0.crate + STATUS=0 + '[' 0 -ne 0 ']' + cd serial_test-1.0.0 + rm -rf /home/pterjan/rpmbuild/BUILD/serial_test-1.0.0-SPECPARTS + /usr/bin/mkdir -p /home/pterjan/rpmbuild/BUILD/serial_test-1.0.0-SPECPARTS + /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w . + set -euo pipefail + /usr/bin/mkdir -p target/rpm + /usr/bin/ln -s rpm target/release + /usr/bin/rm -rf .cargo/ + /usr/bin/mkdir -p .cargo + cat + cat + /usr/bin/rm -f Cargo.lock + /usr/bin/rm -f Cargo.toml.orig + RPM_EC=0 ++ jobs -p + exit 0 sh: line 4: [: -j8: integer expression expected Executing(%generate_buildrequires): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.zQJZ1q + umask 022 + cd /home/pterjan/rpmbuild/BUILD + cd serial_test-1.0.0 + /usr/bin/cargo2rpm --path Cargo.toml buildrequires + RPM_EC=0 ++ jobs -p + exit 0 sh: line 4: [: -j8: integer expression expected Executing(%build): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.zMotKF + umask 022 + cd /home/pterjan/rpmbuild/BUILD + cd serial_test-1.0.0 + '[' 1 -eq 1 ']' + '[' 1 -eq 1 ']' + /usr/bin/env CARGO_HOME=.cargo RUSTC_BOOTSTRAP=1 'RUSTFLAGS=-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none --cap-lints=warn' /usr/bin/cargo build -j48 -Z avoid-dev-deps --profile rpm error: failed to select a version for the requirement `serial_test_derive = "~1.0.0"` candidate versions found which didn't match: 2.0.0 location searched: directory source `/usr/share/cargo/registry` (which is replacing registry `crates-io`) required by package `serial_test v1.0.0 (/home/pterjan/rpmbuild/BUILD/serial_test-1.0.0)` perhaps a crate was updated and forgotten to be re-vendored? As a reminder, you're using offline mode (--offline) which can sometimes cause surprising resolution failures, if this error is too confusing you may wish to retry without the offline flag. error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.zMotKF (%build) RPM build errors: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.zMotKF (%build) I: [iurt_root_command] ERROR: chroot