[INFO] fetching crate mdbook-boilerplate 0.1.0...
[INFO] checking mdbook-boilerplate-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate mdbook-boilerplate 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mdbook-boilerplate 0.1.0
[INFO] finished tweaking crates.io crate mdbook-boilerplate 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-boilerplate 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-boilerplate 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 164 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding fs-err v2.11.0 (available: v3.1.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_complete v4.5.57
[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded opener v0.8.2
[INFO] [stderr]   Downloaded terminal_size v0.4.3
[INFO] [stderr]   Downloaded num-order v1.2.0
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.1
[INFO] [stderr]   Downloaded handlebars v6.3.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded mdbook v0.4.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f18b55f7f1f4abf75928a5f1ec1202f48bd9ced033263279bacf6386fe0133fb
[INFO] running `Command { std: "docker" "start" "-a" "f18b55f7f1f4abf75928a5f1ec1202f48bd9ced033263279bacf6386fe0133fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f18b55f7f1f4abf75928a5f1ec1202f48bd9ced033263279bacf6386fe0133fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18b55f7f1f4abf75928a5f1ec1202f48bd9ced033263279bacf6386fe0133fb", kill_on_drop: false }`
[INFO] [stdout] f18b55f7f1f4abf75928a5f1ec1202f48bd9ced033263279bacf6386fe0133fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb50448ee9a62ce292b2c14ac8c8b172510217e13a17adc9869afcf68018dff0
[INFO] running `Command { std: "docker" "start" "-a" "bb50448ee9a62ce292b2c14ac8c8b172510217e13a17adc9869afcf68018dff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling owo-colors v4.2.2
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[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking num-modular v0.6.1
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking pulldown-cmark-escape v0.10.1
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking indenter v0.3.4
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]     Checking opener v0.8.2
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking pest v2.8.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking clap_complete v4.5.57
[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 serde v1.0.219
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking handlebars v6.3.2
[INFO] [stderr]     Checking mdbook v0.4.52
[INFO] [stderr]     Checking mdbook-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use assert_matches::assert_matches;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: a similar path exists: `std::assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook-boilerplate` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bb50448ee9a62ce292b2c14ac8c8b172510217e13a17adc9869afcf68018dff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb50448ee9a62ce292b2c14ac8c8b172510217e13a17adc9869afcf68018dff0", kill_on_drop: false }`
[INFO] [stdout] bb50448ee9a62ce292b2c14ac8c8b172510217e13a17adc9869afcf68018dff0