[INFO] fetching crate pulldown-cmark-frontmatter 0.4.0...
[INFO] testing pulldown-cmark-frontmatter-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pulldown-cmark-frontmatter 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate pulldown-cmark-frontmatter 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pulldown-cmark-frontmatter 0.4.0
[INFO] tweaked toml for crates.io crate pulldown-cmark-frontmatter 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pulldown-cmark-frontmatter 0.4.0 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] crate crates.io crate pulldown-cmark-frontmatter 0.4.0 already has a lockfile, it will not be regenerated
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a33bcc3ee4bca482c4955b18f1686164cec108b04671f277a13d7a65b6d8bfb5
[INFO] running `Command { std: "docker" "start" "-a" "a33bcc3ee4bca482c4955b18f1686164cec108b04671f277a13d7a65b6d8bfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33bcc3ee4bca482c4955b18f1686164cec108b04671f277a13d7a65b6d8bfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33bcc3ee4bca482c4955b18f1686164cec108b04671f277a13d7a65b6d8bfb5", kill_on_drop: false }`
[INFO] [stdout] a33bcc3ee4bca482c4955b18f1686164cec108b04671f277a13d7a65b6d8bfb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 314adb292fc3f8460e76c9e849da21e28175ab1915806822f3e7c6067ecd6459
[INFO] running `Command { std: "docker" "start" "-a" "314adb292fc3f8460e76c9e849da21e28175ab1915806822f3e7c6067ecd6459", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.12.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling pulldown-cmark-frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "314adb292fc3f8460e76c9e849da21e28175ab1915806822f3e7c6067ecd6459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314adb292fc3f8460e76c9e849da21e28175ab1915806822f3e7c6067ecd6459", kill_on_drop: false }`
[INFO] [stdout] 314adb292fc3f8460e76c9e849da21e28175ab1915806822f3e7c6067ecd6459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 50f2cdd0a445483161accdf377d9bb0c99b85e4fc40847a03f592470a135fa70
[INFO] running `Command { std: "docker" "start" "-a" "50f2cdd0a445483161accdf377d9bb0c99b85e4fc40847a03f592470a135fa70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling pulldown-cmark v0.12.1
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling pulldown-cmark-frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "50f2cdd0a445483161accdf377d9bb0c99b85e4fc40847a03f592470a135fa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f2cdd0a445483161accdf377d9bb0c99b85e4fc40847a03f592470a135fa70", kill_on_drop: false }`
[INFO] [stdout] 50f2cdd0a445483161accdf377d9bb0c99b85e4fc40847a03f592470a135fa70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cd6f17cd182ec0277343fe412210a6320b37507634ecf646952d46dd9af7fb71
[INFO] running `Command { std: "docker" "start" "-a" "cd6f17cd182ec0277343fe412210a6320b37507634ecf646952d46dd9af7fb71", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pulldown_cmark_frontmatter-908e32d468b3d575)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test extract_buffered ... ok
[INFO] [stdout] test indented_parse_test ... ok
[INFO] [stdout] test attribute_parser_test ... 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]    Doc-tests pulldown_cmark_frontmatter
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 44) ... ignored
[INFO] [stdout] test src/lib.rs - (line 79) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd6f17cd182ec0277343fe412210a6320b37507634ecf646952d46dd9af7fb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6f17cd182ec0277343fe412210a6320b37507634ecf646952d46dd9af7fb71", kill_on_drop: false }`
[INFO] [stdout] cd6f17cd182ec0277343fe412210a6320b37507634ecf646952d46dd9af7fb71