[INFO] fetching crate position_preserving_moodle_question_xml_edit 0.1.2...
[INFO] testing position_preserving_moodle_question_xml_edit-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate position_preserving_moodle_question_xml_edit 0.1.2 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate position_preserving_moodle_question_xml_edit 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding roxmltree v0.20.0 (available: v0.21.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 139050ec1d7645e22acb89c8f8cb382ca628011644c3cf983b4c87e54ba24b55
[INFO] running `Command { std: "docker" "start" "-a" "139050ec1d7645e22acb89c8f8cb382ca628011644c3cf983b4c87e54ba24b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139050ec1d7645e22acb89c8f8cb382ca628011644c3cf983b4c87e54ba24b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139050ec1d7645e22acb89c8f8cb382ca628011644c3cf983b4c87e54ba24b55", kill_on_drop: false }`
[INFO] [stdout] 139050ec1d7645e22acb89c8f8cb382ca628011644c3cf983b4c87e54ba24b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a636d510e2fa21d05fa35a60ffd1d27e0228f460421d95c13398970f4c15344e
[INFO] running `Command { std: "docker" "start" "-a" "a636d510e2fa21d05fa35a60ffd1d27e0228f460421d95c13398970f4c15344e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling predicates-core v1.0.10
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling predicates-tree v1.0.13
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling predicates v3.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling ignore v0.4.25
[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 27.02s
[INFO] running `Command { std: "docker" "inspect" "a636d510e2fa21d05fa35a60ffd1d27e0228f460421d95c13398970f4c15344e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a636d510e2fa21d05fa35a60ffd1d27e0228f460421d95c13398970f4c15344e", kill_on_drop: false }`
[INFO] [stdout] a636d510e2fa21d05fa35a60ffd1d27e0228f460421d95c13398970f4c15344e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69dae1b1c55b4ad2a9939a12883d858267dc52c2ecd8e3677cb5b5d99bb7ecfc
[INFO] running `Command { std: "docker" "start" "-a" "69dae1b1c55b4ad2a9939a12883d858267dc52c2ecd8e3677cb5b5d99bb7ecfc", 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 1.16s
[INFO] running `Command { std: "docker" "inspect" "69dae1b1c55b4ad2a9939a12883d858267dc52c2ecd8e3677cb5b5d99bb7ecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69dae1b1c55b4ad2a9939a12883d858267dc52c2ecd8e3677cb5b5d99bb7ecfc", kill_on_drop: false }`
[INFO] [stdout] 69dae1b1c55b4ad2a9939a12883d858267dc52c2ecd8e3677cb5b5d99bb7ecfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69be0a25fe979601846555fa73bf92e3295feeebbf479f5610bd8123f880e2f7
[INFO] running `Command { std: "docker" "start" "-a" "69be0a25fe979601846555fa73bf92e3295feeebbf479f5610bd8123f880e2f7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/position_preserving_moodle_question_xml_edit-d5b6d0833f611ac0)
[INFO] [stderr]      Running tests/01_intro.rs (/opt/rustwide/target/debug/deps/01_intro-1b537e11e2497874)
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test change_attribute_value_wrong_way ... ok
[INFO] [stdout] test count_questions_in_content ... ok
[INFO] [stdout] test extract_named_element_from_question ... ok
[INFO] [stdout] test moodle_formated_text_elements ... ok
[INFO] [stdout] test change_attribute_value_correct_way ... ok
[INFO] [stdout] test update_named_element_from_question ... 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-2c883b09724ed5f8)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test trying_to_parse_a_broken_document ... 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] [stderr]      Running tests/03_file_io.rs (/opt/rustwide/target/debug/deps/03_file_io-a5edfd821061c269)
[INFO] [stdout] test overlapping_updates_1_same_target - should panic ... ok
[INFO] [stdout] test using_old_references - should panic ... ok
[INFO] [stdout] test referencing_a_nonexistent_question - should panic ... ok
[INFO] [stdout] test continuing_after_breaking_a_document - 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test trying_to_save_a_broken_document ... ok
[INFO] [stdout] test save_to_file ... ok
[INFO] [stderr]      Running tests/04_stack.rs (/opt/rustwide/target/debug/deps/04_stack-69dbeaa835047ebe)
[INFO] [stdout] test load_from_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] [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" "69be0a25fe979601846555fa73bf92e3295feeebbf479f5610bd8123f880e2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69be0a25fe979601846555fa73bf92e3295feeebbf479f5610bd8123f880e2f7", kill_on_drop: false }`
[INFO] [stdout] 69be0a25fe979601846555fa73bf92e3295feeebbf479f5610bd8123f880e2f7