[2026-06-08 19:02:08,177][ INFO][PID:473182] Marking build as starting [2026-06-08 19:02:08,232][ INFO][PID:473182] Checking that https://download.copr.fedorainfracloud.org/results/decathorpe/mdbook/fedora-rawhide-s390x//repodata/repomd.xml exists [2026-06-08 19:02:08,537][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:08,566][ INFO][PID:473182] rpmeta: package rust-mdbook-preprocessor not known to model, skipping [2026-06-08 19:02:08,568][ INFO][PID:473182] VM allocation process starts [2026-06-08 19:02:08,582][ INFO][PID:473182] Trying to allocate VM: ResallocHost, ticket_id=3341172, requested_tags=['arch_s390x', 'copr_builder'] [2026-06-08 19:02:13,584][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:18,586][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:23,587][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:26,635][ INFO][PID:473182] Allocated host ResallocHost, ticket_id=3341172, hostname=163.107.84.59, name=copr_ic_s390x_br_sao_2_prod_11573636_20260608_183932, requested_tags=['arch_s390x', 'copr_builder'] [2026-06-08 19:02:26,636][ INFO][PID:473182] Allocating ssh connection to builder [2026-06-08 19:02:26,637][ INFO][PID:473182] Checking that builder machine is OK [2026-06-08 19:02:28,498][ INFO][PID:473182] Installed copr-rpmbuild version: 1.8 [2026-06-08 19:02:28,499][ INFO][PID:473182] Running remote command: copr-builder-ready fedora-rawhide-s390x [2026-06-08 19:02:30,186][ INFO][PID:473182] Red Hat subscription not needed for fedora-rawhide-s390x Builder is ready to be used [2026-06-08 19:02:30,187][ INFO][PID:473182] Filling build.info file with builder info [2026-06-08 19:02:30,188][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:30,190][ INFO][PID:473182] Sending build state back to frontend: { "builds": [ { "timeout": 18000, "frontend_base_url": "https://copr.fedorainfracloud.org", "memory_reqs": 2048, "enable_net": false, "project_owner": "decathorpe", "project_name": "mdbook", "project_dirname": "mdbook", "submitter": "decathorpe", "ended_on": null, "started_on": 1780945350.189879, "submitted_on": null, "status": 3, "chroot": "fedora-rawhide-s390x", "arch": "s390x", "buildroot_pkgs": [], "task_id": "10576680-fedora-rawhide-s390x", "build_id": 10576680, "package_name": "rust-mdbook-preprocessor", "package_version": "0.5.3-1", "git_repo": "https://copr-dist-git.fedorainfracloud.org/git/decathorpe/mdbook/rust-mdbook-preprocessor", "git_hash": "de5419c5760f6625b3e8d8de31699f42a606d673", "git_branch": null, "source_type": null, "source_json": null, "pkg_name": null, "pkg_main_version": null, "pkg_epoch": null, "pkg_release": null, "srpm_url": null, "uses_devel_repo": false, "sandbox": "decathorpe/mdbook--decathorpe", "results": null, "appstream": false, "allow_user_ssh": false, "ssh_public_keys": null, "storage": 1, "repos": [ { "baseurl": "https://download.copr.fedorainfracloud.org/results/decathorpe/mdbook/fedora-rawhide-s390x/", "id": "copr_base", "name": "Copr repository", "priority": null } ], "background": false, "fedora_review": false, "isolation": "default", "repo_priority": null, "tags": [ "arch_s390x" ], "with_opts": [], "without_opts": [], "destdir": "/var/lib/copr/public_html/results/decathorpe/mdbook", "results_repo_url": "https://download.copr.fedorainfracloud.org/results/decathorpe/mdbook", "result_dir": "10576680-rust-mdbook-preprocessor", "built_packages": "", "rpmeta_prediction": null, "id": 10576680, "mockchain_macros": { "copr_username": "decathorpe", "copr_projectname": "mdbook", "vendor": "Fedora Project COPR (decathorpe/mdbook)" } } ] } [2026-06-08 19:02:30,239][ INFO][PID:473182] Sending fedora-messaging bus message in build.start [2026-06-08 19:02:30,771][ INFO][PID:473182] Sending fedora-messaging bus message in chroot.start [2026-06-08 19:02:30,800][ INFO][PID:473182] Starting remote build: copr-rpmbuild --verbose --drop-resultdir --task-url https://copr.fedorainfracloud.org/backend/get-build-task/10576680-fedora-rawhide-s390x --chroot fedora-rawhide-s390x --detached [2026-06-08 19:02:32,940][ INFO][PID:473182] The copr-rpmbuild seems started, per: stdout: stderr: Warning: Permanently added '163.107.84.59' (ED25519) to the list of known hosts. [2026-06-08 19:02:32,942][ INFO][PID:473182] Downloading the builder-live.log file, attempt 1 [2026-06-08 19:02:32,943][ INFO][PID:473182] Popen command started: ssh -F /home/copr/.ssh/config mockbuilder@163.107.84.59 copr-rpmbuild-log [2026-06-08 19:02:37,951][ INFO][PID:473182] Periodic builder liveness probe: alive [2026-06-08 19:02:37,952][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:42,954][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:47,955][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:52,957][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:02:57,958][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:02,959][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:07,961][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:12,962][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:17,964][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:22,965][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:27,967][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:32,968][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:37,970][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:42,971][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:47,972][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:52,974][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:03:57,977][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:02,979][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:07,980][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:12,982][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:17,983][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:22,987][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:27,989][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:32,990][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:37,992][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:42,996][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:47,998][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:52,999][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:04:58,000][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:03,002][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:08,003][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:13,005][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:18,010][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:23,024][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:28,025][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:33,027][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:38,032][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:43,033][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:48,037][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:53,039][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:05:58,040][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:06:03,042][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:06:08,044][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:06:13,047][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:06:18,048][ INFO][PID:473182] Checking for cancel request [2026-06-08 19:06:18,580][ INFO][PID:473182] Downloading results from builder [2026-06-08 19:06:18,581][ INFO][PID:473182] rsyncing of mockbuilder@163.107.84.59:/var/lib/copr-rpmbuild/results/ to /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor started [2026-06-08 19:06:18,582][ INFO][PID:473182] Popen command started: /usr/bin/rsync -rltDvH --chmod=D755,F644 -e 'ssh -F /home/copr/.ssh/config' mockbuilder@163.107.84.59:/var/lib/copr-rpmbuild/results/ /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/ &> /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/build-10576680.rsync.log [2026-06-08 19:06:22,529][ INFO][PID:473182] rsyncing finished. [2026-06-08 19:06:22,530][ INFO][PID:473182] VM Release request [2026-06-08 19:06:22,554][ INFO][PID:473182] Searching for 'success' file in resultdir [2026-06-08 19:06:22,556][ INFO][PID:473182] Going to sign pkgs from source: 10576680-fedora-rawhide-s390x in chroot: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x [2026-06-08 19:06:22,557][ INFO][PID:473182] Calling '/bin/sign -u decathorpe#mdbook@copr.fedorahosted.org -p' (attempt #1) [2026-06-08 19:06:22,849][ INFO][PID:473182] Calling '/bin/sign -4 -h sha256 -u decathorpe#mdbook@copr.fedorahosted.org -r /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor+default-devel-0.5.3-1.fc45.noarch.rpm' (attempt #1) [2026-06-08 19:06:23,638][ INFO][PID:473182] signed rpm: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor+default-devel-0.5.3-1.fc45.noarch.rpm [2026-06-08 19:06:23,639][ INFO][PID:473182] Calling '/bin/sign -4 -h sha256 -u decathorpe#mdbook@copr.fedorahosted.org -r /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-devel-0.5.3-1.fc45.noarch.rpm' (attempt #1) [2026-06-08 19:06:24,432][ INFO][PID:473182] signed rpm: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-devel-0.5.3-1.fc45.noarch.rpm [2026-06-08 19:06:24,436][ INFO][PID:473182] Calling '/bin/sign -4 -h sha256 -u decathorpe#mdbook@copr.fedorahosted.org -r /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-0.5.3-1.fc45.src.rpm' (attempt #1) [2026-06-08 19:06:25,415][ INFO][PID:473182] signed rpm: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-0.5.3-1.fc45.src.rpm [2026-06-08 19:06:25,416][ INFO][PID:473182] Sign done [2026-06-08 19:06:25,418][ INFO][PID:473182] Pulp: create_content: /api/v3/content/rpm/packages/upload/ /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor+default-devel-0.5.3-1.fc45.noarch.rpm [2026-06-08 19:06:25,769][ INFO][PID:473182] Pulp: create_content: /api/v3/content/rpm/packages/upload/ /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-devel-0.5.3-1.fc45.noarch.rpm [2026-06-08 19:06:25,771][ INFO][PID:473182] [1/3] Uploaded to Pulp: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor+default-devel-0.5.3-1.fc45.noarch.rpm [2026-06-08 19:06:26,192][ INFO][PID:473182] Pulp: create_content: /api/v3/content/rpm/packages/upload/ /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-0.5.3-1.fc45.src.rpm [2026-06-08 19:06:26,199][ INFO][PID:473182] [2/3] Uploaded to Pulp: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-devel-0.5.3-1.fc45.noarch.rpm [2026-06-08 19:06:26,588][ INFO][PID:473182] [3/3] Uploaded to Pulp: /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-0.5.3-1.fc45.src.rpm [2026-06-08 19:06:26,602][ INFO][PID:473182] Pulp: get_repository: /api/v3/repositories/rpm/rpm/?name=decathorpe%2Fmdbook%2Ffedora-rawhide-s390x&offset=0&limit=1 [2026-06-08 19:06:27,005][ INFO][PID:473182] Pulp: polling task status: /api/pulp/public-copr/api/v3/tasks/019ea8a1-0b12-72e7-8731-b7537920a941/ [2026-06-08 19:06:27,006][ INFO][PID:473182] Pulp: get_by_href: /api/pulp/public-copr/api/v3/tasks/019ea8a1-0b12-72e7-8731-b7537920a941/ [2026-06-08 19:06:32,311][ INFO][PID:473182] Pulp: polling task status: /api/pulp/public-copr/api/v3/tasks/019ea8a1-0b12-72e7-8731-b7537920a941/ [2026-06-08 19:06:32,312][ INFO][PID:473182] Pulp: get_by_href: /api/pulp/public-copr/api/v3/tasks/019ea8a1-0b12-72e7-8731-b7537920a941/ [2026-06-08 19:06:32,450][ INFO][PID:473182] Successfully modified Pulp repository content /api/pulp/public-copr/api/v3/repositories/rpm/rpm/019ea3e0-038b-7bc3-983a-2acaa64c0f47/ [2026-06-08 19:06:32,451][ INFO][PID:473182] Pulp: publishing /api/v3/publications/rpm/rpm/ /api/pulp/public-copr/api/v3/repositories/rpm/rpm/019ea3e0-038b-7bc3-983a-2acaa64c0f47/ [2026-06-08 19:06:32,602][ INFO][PID:473182] Pulp: polling task status: /api/pulp/public-copr/api/v3/tasks/019ea8a1-20f2-7d73-9034-c8665f735a17/ [2026-06-08 19:06:32,605][ INFO][PID:473182] Pulp: get_by_href: /api/pulp/public-copr/api/v3/tasks/019ea8a1-20f2-7d73-9034-c8665f735a17/ [2026-06-08 19:06:37,769][ INFO][PID:473182] Pulp: polling task status: /api/pulp/public-copr/api/v3/tasks/019ea8a1-20f2-7d73-9034-c8665f735a17/ [2026-06-08 19:06:37,773][ INFO][PID:473182] Pulp: get_by_href: /api/pulp/public-copr/api/v3/tasks/019ea8a1-20f2-7d73-9034-c8665f735a17/ [2026-06-08 19:06:38,082][ INFO][PID:473182] Successfully created Pulp publication of repository /api/pulp/public-copr/api/v3/repositories/rpm/rpm/019ea3e0-038b-7bc3-983a-2acaa64c0f47/ [2026-06-08 19:06:38,085][ INFO][PID:473182] Pulp: add_content: /api/pulp/public-copr/api/v3/repositories/rpm/rpm/019ea3e0-038b-7bc3-983a-2acaa64c0f47/ (['/api/pulp/public-copr/api/v3/content/rpm/packages/019ea8a1-05f5-7ff5-bbfd-3d1e4de044aa/', '/api/pulp/public-copr/api/v3/content/rpm/packages/019ea8a1-07a1-7023-9cae-847108e79e89/', '/api/pulp/public-copr/api/v3/content/rpm/packages/019ea8a1-0932-76dc-bd66-26b1fed9ab13/']) [1/1] [2026-06-08 19:06:38,092][ INFO][PID:473182] Getting build details [2026-06-08 19:06:38,093][ INFO][PID:473182] Listing built binary packages in /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor [2026-06-08 19:06:38,095][ INFO][PID:473182] Built packages: ['rust-mdbook-preprocessor+default-devel 0.5.3', 'rust-mdbook-preprocessor-devel 0.5.3'] [2026-06-08 19:06:38,099][ INFO][PID:473182] build details: {'built_packages': 'rust-mdbook-preprocessor+default-devel 0.5.3\nrust-mdbook-preprocessor-devel 0.5.3'} [2026-06-08 19:06:38,103][ INFO][PID:473182] Retrieving pubkey [2026-06-08 19:06:38,104][ INFO][PID:473182] Calling '/bin/sign -u decathorpe#mdbook@copr.fedorahosted.org -p' (attempt #1) [2026-06-08 19:06:38,408][ INFO][PID:473182] Added pubkey for user decathorpe project mdbook into: /var/lib/copr/public_html/results/decathorpe/mdbook/pubkey.gpg [2026-06-08 19:06:38,409][ INFO][PID:473182] Removing /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor+default-devel-0.5.3-1.fc45.noarch.rpm, it is stored in Pulp [2026-06-08 19:06:38,418][ INFO][PID:473182] Removing /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-devel-0.5.3-1.fc45.noarch.rpm, it is stored in Pulp [2026-06-08 19:06:38,421][ INFO][PID:473182] Removing /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/rust-mdbook-preprocessor-0.5.3-1.fc45.src.rpm, it is stored in Pulp [2026-06-08 19:06:38,426][ INFO][PID:473182] Finished build: id=10576680 failed=False timeout=18000 destdir=/var/lib/copr/public_html/results/decathorpe/mdbook chroot=fedora-rawhide-s390x [2026-06-08 19:06:38,435][ INFO][PID:473182] Worker succeeded build, took 248.24519419670105 [2026-06-08 19:06:38,436][ INFO][PID:473182] Sending build state back to frontend: { "builds": [ { "timeout": 18000, "frontend_base_url": "https://copr.fedorainfracloud.org", "memory_reqs": 2048, "enable_net": false, "project_owner": "decathorpe", "project_name": "mdbook", "project_dirname": "mdbook", "submitter": "decathorpe", "ended_on": 1780945598.4350731, "started_on": 1780945350.189879, "submitted_on": null, "status": 1, "chroot": "fedora-rawhide-s390x", "arch": "s390x", "buildroot_pkgs": [], "task_id": "10576680-fedora-rawhide-s390x", "build_id": 10576680, "package_name": "rust-mdbook-preprocessor", "package_version": "0.5.3-1", "git_repo": "https://copr-dist-git.fedorainfracloud.org/git/decathorpe/mdbook/rust-mdbook-preprocessor", "git_hash": "de5419c5760f6625b3e8d8de31699f42a606d673", "git_branch": null, "source_type": null, "source_json": null, "pkg_name": null, "pkg_main_version": null, "pkg_epoch": null, "pkg_release": null, "srpm_url": null, "uses_devel_repo": false, "sandbox": "decathorpe/mdbook--decathorpe", "results": { "packages": [ { "name": "rust-mdbook-preprocessor+default-devel", "epoch": null, "version": "0.5.3", "release": "1.fc45", "arch": "noarch" }, { "name": "rust-mdbook-preprocessor", "epoch": null, "version": "0.5.3", "release": "1.fc45", "arch": "src" }, { "name": "rust-mdbook-preprocessor-devel", "epoch": null, "version": "0.5.3", "release": "1.fc45", "arch": "noarch" } ] }, "appstream": false, "allow_user_ssh": false, "ssh_public_keys": null, "storage": 1, "repos": [ { "baseurl": "https://download.copr.fedorainfracloud.org/results/decathorpe/mdbook/fedora-rawhide-s390x/", "id": "copr_base", "name": "Copr repository", "priority": null } ], "background": false, "fedora_review": false, "isolation": "default", "repo_priority": null, "tags": [ "arch_s390x" ], "with_opts": [], "without_opts": [], "destdir": "/var/lib/copr/public_html/results/decathorpe/mdbook", "results_repo_url": "https://download.copr.fedorainfracloud.org/results/decathorpe/mdbook", "result_dir": "10576680-rust-mdbook-preprocessor", "built_packages": "rust-mdbook-preprocessor+default-devel 0.5.3\nrust-mdbook-preprocessor-devel 0.5.3", "rpmeta_prediction": null, "id": 10576680, "mockchain_macros": { "copr_username": "decathorpe", "copr_projectname": "mdbook", "vendor": "Fedora Project COPR (decathorpe/mdbook)" } } ] } [2026-06-08 19:06:38,551][ INFO][PID:473182] Sending fedora-messaging bus message in build.end [2026-06-08 19:06:38,623][ INFO][PID:473182] Compressing /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/builder-live.log by gzip [2026-06-08 19:06:38,632][ INFO][PID:473182] Running command 'gzip /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/builder-live.log' as PID 517450 [2026-06-08 19:06:38,714][ INFO][PID:473182] Finished after 0 seconds with exit code 0 (gzip /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/builder-live.log) [2026-06-08 19:06:38,721][ INFO][PID:473182] Compressing /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/backend.log by gzip [2026-06-08 19:06:38,734][ INFO][PID:473182] Running command 'gzip /var/lib/copr/public_html/results/decathorpe/mdbook/fedora-rawhide-s390x/10576680-rust-mdbook-preprocessor/backend.log' as PID 517458