[INFO] fetching crate mdbook-readme 0.0.4...
[INFO] testing mdbook-readme-0.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mdbook-readme 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mdbook-readme 0.0.4
[INFO] finished tweaking crates.io crate mdbook-readme 0.0.4
[INFO] tweaked toml for crates.io crate mdbook-readme 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-readme 0.0.4 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 272 packages to latest compatible versions
[INFO] [stderr]       Adding lazy-regex v2.5.0 (available: v3.4.1)
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5105def889bfebfa81502339b29da98600b253444b38d217643cdb6380832a94
[INFO] running `Command { std: "docker" "start" "-a" "5105def889bfebfa81502339b29da98600b253444b38d217643cdb6380832a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5105def889bfebfa81502339b29da98600b253444b38d217643cdb6380832a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5105def889bfebfa81502339b29da98600b253444b38d217643cdb6380832a94", kill_on_drop: false }`
[INFO] [stdout] 5105def889bfebfa81502339b29da98600b253444b38d217643cdb6380832a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 36ea28fb715c2023201b03c54c5b7b871936a5f9b6c875b26bb3207fdd999e78
[INFO] running `Command { std: "docker" "start" "-a" "36ea28fb715c2023201b03c54c5b7b871936a5f9b6c875b26bb3207fdd999e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling tungstenite v0.28.0
[INFO] [stderr]    Compiling cssparser v0.35.0
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling notify-debouncer-mini v0.6.0
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling handlebars v6.3.2
[INFO] [stderr]    Compiling markup5ever v0.35.0
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling html5ever v0.35.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.28.0
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling elasticlunr-rs v3.0.2
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling clap_complete v4.5.58
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling opener v0.8.3
[INFO] [stderr]    Compiling axum v0.8.6
[INFO] [stderr]    Compiling ammonia v4.1.2
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.4.1
[INFO] [stderr]    Compiling lazy-regex v2.5.0
[INFO] [stderr]    Compiling mdbook v0.4.52
[INFO] [stderr]    Compiling mdbook-readme v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.68s
[INFO] running `Command { std: "docker" "inspect" "36ea28fb715c2023201b03c54c5b7b871936a5f9b6c875b26bb3207fdd999e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ea28fb715c2023201b03c54c5b7b871936a5f9b6c875b26bb3207fdd999e78", kill_on_drop: false }`
[INFO] [stdout] 36ea28fb715c2023201b03c54c5b7b871936a5f9b6c875b26bb3207fdd999e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1a75618ef594405c41792859ee0b602cf627b71d629358a76ffb79cd008c10a3
[INFO] running `Command { std: "docker" "start" "-a" "1a75618ef594405c41792859ee0b602cf627b71d629358a76ffb79cd008c10a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-readme v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "1a75618ef594405c41792859ee0b602cf627b71d629358a76ffb79cd008c10a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a75618ef594405c41792859ee0b602cf627b71d629358a76ffb79cd008c10a3", kill_on_drop: false }`
[INFO] [stdout] 1a75618ef594405c41792859ee0b602cf627b71d629358a76ffb79cd008c10a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d7deb4c1d1505dd0806c3654b0b8c455ab0d09a8c70c09e165123cd7a21bbb62
[INFO] running `Command { std: "docker" "start" "-a" "d7deb4c1d1505dd0806c3654b0b8c455ab0d09a8c70c09e165123cd7a21bbb62", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdbook_readme-cb8c841f314ae4b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::file_stem_exactly_matches_readme_case_insensitively ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdbook_readme
[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" "d7deb4c1d1505dd0806c3654b0b8c455ab0d09a8c70c09e165123cd7a21bbb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7deb4c1d1505dd0806c3654b0b8c455ab0d09a8c70c09e165123cd7a21bbb62", kill_on_drop: false }`
[INFO] [stdout] d7deb4c1d1505dd0806c3654b0b8c455ab0d09a8c70c09e165123cd7a21bbb62