[INFO] fetching crate position_preserving_moodle_question_xml_edit 0.1.2...
[INFO] testing position_preserving_moodle_question_xml_edit-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate position_preserving_moodle_question_xml_edit 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate position_preserving_moodle_question_xml_edit 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate position_preserving_moodle_question_xml_edit 0.1.2
[INFO] tweaked toml for crates.io crate position_preserving_moodle_question_xml_edit 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate position_preserving_moodle_question_xml_edit 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f677d53d810e6262acef2f6beb1b86200de0a6cd8454b24fb1ad26a00d1ab26
[INFO] running `Command { std: "docker" "start" "-a" "4f677d53d810e6262acef2f6beb1b86200de0a6cd8454b24fb1ad26a00d1ab26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f677d53d810e6262acef2f6beb1b86200de0a6cd8454b24fb1ad26a00d1ab26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f677d53d810e6262acef2f6beb1b86200de0a6cd8454b24fb1ad26a00d1ab26", kill_on_drop: false }`
[INFO] [stdout] 4f677d53d810e6262acef2f6beb1b86200de0a6cd8454b24fb1ad26a00d1ab26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3f366136f1c1437c909aa1f967d6c8d673e94fc8ec01c86681d926a92fc084f
[INFO] running `Command { std: "docker" "start" "-a" "b3f366136f1c1437c909aa1f967d6c8d673e94fc8ec01c86681d926a92fc084f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling globwalk v0.9.1
[INFO] [stderr]    Compiling assert_fs v1.1.3
[INFO] [stderr]    Compiling position_preserving_moodle_question_xml_edit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "b3f366136f1c1437c909aa1f967d6c8d673e94fc8ec01c86681d926a92fc084f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f366136f1c1437c909aa1f967d6c8d673e94fc8ec01c86681d926a92fc084f", kill_on_drop: false }`
[INFO] [stdout] b3f366136f1c1437c909aa1f967d6c8d673e94fc8ec01c86681d926a92fc084f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf07e9ce210c8817344b364fb88568bdaa861d37819a3f6043402015d58b6fba
[INFO] running `Command { std: "docker" "start" "-a" "bf07e9ce210c8817344b364fb88568bdaa861d37819a3f6043402015d58b6fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling position_preserving_moodle_question_xml_edit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "bf07e9ce210c8817344b364fb88568bdaa861d37819a3f6043402015d58b6fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf07e9ce210c8817344b364fb88568bdaa861d37819a3f6043402015d58b6fba", kill_on_drop: false }`
[INFO] [stdout] bf07e9ce210c8817344b364fb88568bdaa861d37819a3f6043402015d58b6fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f307ca58ff302920e239f6114cefe03aa6f26916295932ade497ce29b368e29a
[INFO] running `Command { std: "docker" "start" "-a" "f307ca58ff302920e239f6114cefe03aa6f26916295932ade497ce29b368e29a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/position_preserving_moodle_question_xml_edit-8410304678484605)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/01_intro.rs (/opt/rustwide/target/debug/deps/01_intro-9f5ac490333eaf63)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test change_attribute_value_wrong_way ... ok
[INFO] [stdout] test change_attribute_value_correct_way ... ok
[INFO] [stdout] test count_questions_in_content ... ok
[INFO] [stdout] test update_named_element_from_question ... ok
[INFO] [stdout] test extract_named_element_from_question ... ok
[INFO] [stdout] test moodle_formated_text_elements ... ok
[INFO] [stdout] test whole_element_modification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/02_error_cases.rs (/opt/rustwide/target/debug/deps/02_error_cases-1775475149cbf441)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test trying_to_parse_a_broken_document ... ok
[INFO] [stdout] test continuing_after_breaking_a_document - should panic ... ok
[INFO] [stdout] test overlapping_updates_2_child_and_parent - should panic ... ok
[INFO] [stdout] test overlapping_updates_3_parent_and_child - should panic ... ok
[INFO] [stdout] test referencing_a_nonexistent_question - should panic ... ok
[INFO] [stdout] test overlapping_updates_1_same_target - should panic ... ok
[INFO] [stdout] test using_old_references - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/03_file_io.rs (/opt/rustwide/target/debug/deps/03_file_io-4b13f28ccf0cab25)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test load_from_file ... ok
[INFO] [stdout] test trying_to_save_a_broken_document ... ok
[INFO] [stdout] test save_to_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/04_stack.rs (/opt/rustwide/target/debug/deps/04_stack-9e4af59f7a56263d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test read_as_stack_question ... ok
[INFO] [stdout] test access_by_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests position_preserving_moodle_question_xml_edit
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f307ca58ff302920e239f6114cefe03aa6f26916295932ade497ce29b368e29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f307ca58ff302920e239f6114cefe03aa6f26916295932ade497ce29b368e29a", kill_on_drop: false }`
[INFO] [stdout] f307ca58ff302920e239f6114cefe03aa6f26916295932ade497ce29b368e29a