[INFO] fetching crate mdbook-kroki-preprocessor 0.2.1...
[INFO] checking mdbook-kroki-preprocessor-0.2.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate mdbook-kroki-preprocessor 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mdbook-kroki-preprocessor 0.2.1
[INFO] finished tweaking crates.io crate mdbook-kroki-preprocessor 0.2.1
[INFO] tweaked toml for crates.io crate mdbook-kroki-preprocessor 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-kroki-preprocessor 0.2.1 on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-kroki-preprocessor 0.2.1 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf2aa45198ca2e0e2dab502ea166725fa967a798dafa597228cfbb2d8bb96186
[INFO] running `Command { std: "docker" "start" "-a" "bf2aa45198ca2e0e2dab502ea166725fa967a798dafa597228cfbb2d8bb96186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf2aa45198ca2e0e2dab502ea166725fa967a798dafa597228cfbb2d8bb96186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2aa45198ca2e0e2dab502ea166725fa967a798dafa597228cfbb2d8bb96186", kill_on_drop: false }`
[INFO] [stdout] bf2aa45198ca2e0e2dab502ea166725fa967a798dafa597228cfbb2d8bb96186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 757c96ab626efb7439b652e562bfad3a6631920b3ddf562b4477a0751c7b368c
[INFO] running `Command { std: "docker" "start" "-a" "757c96ab626efb7439b652e562bfad3a6631920b3ddf562b4477a0751c7b368c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking tokio v1.47.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking serde_json v1.0.141
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]     Checking num-modular v0.6.1
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.31
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]     Checking pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling sscanf_macro v0.4.3
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking xml-rs v0.8.27
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking xmltree v0.11.0
[INFO] [stderr]     Checking const_format v0.2.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking pest v2.8.1
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking clap_builder v4.5.42
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking sscanf v0.4.3
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]     Checking opener v0.8.2
[INFO] [stderr]     Checking clap v4.5.42
[INFO] [stderr]     Checking clap_complete v4.5.55
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking handlebars v6.3.2
[INFO] [stderr]     Checking mdbook v0.4.52
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking mdbook-preprocessor-boilerplate v0.1.2
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-1.6.0/src/proto/h2/mod.rs:427:5
[INFO] [stdout]     |
[INFO] [stdout] 427 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "757c96ab626efb7439b652e562bfad3a6631920b3ddf562b4477a0751c7b368c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757c96ab626efb7439b652e562bfad3a6631920b3ddf562b4477a0751c7b368c", kill_on_drop: false }`
[INFO] [stdout] 757c96ab626efb7439b652e562bfad3a6631920b3ddf562b4477a0751c7b368c