[INFO] fetching crate markerml_backend 0.1.2...
[INFO] testing markerml_backend-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate markerml_backend 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate markerml_backend 0.1.2
[INFO] finished tweaking crates.io crate markerml_backend 0.1.2
[INFO] tweaked toml for crates.io crate markerml_backend 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markerml_backend 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 69 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aaab184727311122e875140c2a6f38af093692cf7f321a828be282ae5e2d33e8
[INFO] running `Command { std: "docker" "start" "-a" "aaab184727311122e875140c2a6f38af093692cf7f321a828be282ae5e2d33e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaab184727311122e875140c2a6f38af093692cf7f321a828be282ae5e2d33e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaab184727311122e875140c2a6f38af093692cf7f321a828be282ae5e2d33e8", kill_on_drop: false }`
[INFO] [stdout] aaab184727311122e875140c2a6f38af093692cf7f321a828be282ae5e2d33e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1167ec032adb949d850f3d4ddd36551aadb6494d6a27524341d089453a7ed0b4
[INFO] running `Command { std: "docker" "start" "-a" "1167ec032adb949d850f3d4ddd36551aadb6494d6a27524341d089453a7ed0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling build_html v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stderr]    Compiling markerml_frontend v0.1.4
[INFO] [stderr]    Compiling markerml_middleend v0.1.2
[INFO] [stderr]    Compiling markerml_backend v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "1167ec032adb949d850f3d4ddd36551aadb6494d6a27524341d089453a7ed0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1167ec032adb949d850f3d4ddd36551aadb6494d6a27524341d089453a7ed0b4", kill_on_drop: false }`
[INFO] [stdout] 1167ec032adb949d850f3d4ddd36551aadb6494d6a27524341d089453a7ed0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d881c5b64748947748571af096c97a2f3af3f666d65b269a355447c70a90e073
[INFO] running `Command { std: "docker" "start" "-a" "d881c5b64748947748571af096c97a2f3af3f666d65b269a355447c70a90e073", kill_on_drop: false }`
[INFO] [stderr]    Compiling markerml_backend v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d881c5b64748947748571af096c97a2f3af3f666d65b269a355447c70a90e073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d881c5b64748947748571af096c97a2f3af3f666d65b269a355447c70a90e073", kill_on_drop: false }`
[INFO] [stdout] d881c5b64748947748571af096c97a2f3af3f666d65b269a355447c70a90e073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 69f45bdaa105d92855b2d12a49bc3a3d7a62dda0a0eb10a1222eeaeebd805c3e
[INFO] running `Command { std: "docker" "start" "-a" "69f45bdaa105d92855b2d12a49bc3a3d7a62dda0a0eb10a1222eeaeebd805c3e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markerml_backend-2cb131f1b00e5069)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests markerml_backend
[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 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" "69f45bdaa105d92855b2d12a49bc3a3d7a62dda0a0eb10a1222eeaeebd805c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f45bdaa105d92855b2d12a49bc3a3d7a62dda0a0eb10a1222eeaeebd805c3e", kill_on_drop: false }`
[INFO] [stdout] 69f45bdaa105d92855b2d12a49bc3a3d7a62dda0a0eb10a1222eeaeebd805c3e