[INFO] fetching crate mastodonochrome 0.2.0...
[INFO] documenting mastodonochrome-0.2.0 against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] extracting crate mastodonochrome 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mastodonochrome 0.2.0
[INFO] finished tweaking crates.io crate mastodonochrome 0.2.0
[INFO] tweaked toml for crates.io crate mastodonochrome 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mastodonochrome 0.2.0 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 mastodonochrome 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a71c77d314245ba1fc72039b8cb17ac97bd96bfc9b7f0d911a09cd97740e4ec7
[INFO] running `Command { std: "docker" "start" "-a" "a71c77d314245ba1fc72039b8cb17ac97bd96bfc9b7f0d911a09cd97740e4ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a71c77d314245ba1fc72039b8cb17ac97bd96bfc9b7f0d911a09cd97740e4ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71c77d314245ba1fc72039b8cb17ac97bd96bfc9b7f0d911a09cd97740e4ec7", kill_on_drop: false }`
[INFO] [stdout] a71c77d314245ba1fc72039b8cb17ac97bd96bfc9b7f0d911a09cd97740e4ec7
[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=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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a664b7cb5eca16b8c2ff91f2776b376ce9f778682cdd116127ce85c73abe36a
[INFO] running `Command { std: "docker" "start" "-a" "9a664b7cb5eca16b8c2ff91f2776b376ce9f778682cdd116127ce85c73abe36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking ipnet v2.10.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking sys-locale v0.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=753373d3070b5643 -C extra-filename=-3960058ba173cb75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9a664b7cb5eca16b8c2ff91f2776b376ce9f778682cdd116127ce85c73abe36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a664b7cb5eca16b8c2ff91f2776b376ce9f778682cdd116127ce85c73abe36a", kill_on_drop: false }`
[INFO] [stdout] 9a664b7cb5eca16b8c2ff91f2776b376ce9f778682cdd116127ce85c73abe36a