[INFO] cloning repository https://github.com/re-masashi/book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/re-masashi/book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-masashi%2Fbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-masashi%2Fbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f2667b7a6a6aec62a45c0eb88954d68b4539e15
[INFO] documenting re-masashi/book against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-masashi%2Fbook" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/re-masashi/book on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/re-masashi/book
[INFO] finished tweaking git repo https://github.com/re-masashi/book
[INFO] tweaked toml for git repo https://github.com/re-masashi/book written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/re-masashi/book 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-2025-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fac8dfdf0ba976a8b0bf061237ff087f6162332300b2ab1df5fd14912dff930
[INFO] running `Command { std: "docker" "start" "-a" "1fac8dfdf0ba976a8b0bf061237ff087f6162332300b2ab1df5fd14912dff930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fac8dfdf0ba976a8b0bf061237ff087f6162332300b2ab1df5fd14912dff930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fac8dfdf0ba976a8b0bf061237ff087f6162332300b2ab1df5fd14912dff930", kill_on_drop: false }`
[INFO] [stdout] 1fac8dfdf0ba976a8b0bf061237ff087f6162332300b2ab1df5fd14912dff930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d6b11526c063f67b5e694c16a2ba43121f7436cc593ca9d463769c985ceca1
[INFO] running `Command { std: "docker" "start" "-a" "d7d6b11526c063f67b5e694c16a2ba43121f7436cc593ca9d463769c985ceca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling inkwell v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#e1a5c2f8)
[INFO] [stderr]     Checking winnow v0.7.6
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking clap_builder v4.5.36
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling llvm-sys v181.2.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling inkwell_internals v0.10.0 (https://github.com/TheDan64/inkwell?branch=master#e1a5c2f8)
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.36
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]  Documenting book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.62s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/book/index.html
[INFO] running `Command { std: "docker" "inspect" "d7d6b11526c063f67b5e694c16a2ba43121f7436cc593ca9d463769c985ceca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d6b11526c063f67b5e694c16a2ba43121f7436cc593ca9d463769c985ceca1", kill_on_drop: false }`
[INFO] [stdout] d7d6b11526c063f67b5e694c16a2ba43121f7436cc593ca9d463769c985ceca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a1820a67d4c32380c6443b4644e527c0c031a0d54c9e44e5a2bde55eacfb09
[INFO] running `Command { std: "docker" "start" "-a" "32a1820a67d4c32380c6443b4644e527c0c031a0d54c9e44e5a2bde55eacfb09", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling llvm-sys v181.2.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling inkwell v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#e1a5c2f8)
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling inkwell_internals v0.10.0 (https://github.com/TheDan64/inkwell?branch=master#e1a5c2f8)
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.36
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]  Documenting book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.81s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/book/index.html
[INFO] running `Command { std: "docker" "inspect" "32a1820a67d4c32380c6443b4644e527c0c031a0d54c9e44e5a2bde55eacfb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a1820a67d4c32380c6443b4644e527c0c031a0d54c9e44e5a2bde55eacfb09", kill_on_drop: false }`
[INFO] [stdout] 32a1820a67d4c32380c6443b4644e527c0c031a0d54c9e44e5a2bde55eacfb09