[INFO] fetching crate vcard 0.4.13...
[INFO] documenting vcard-0.4.13 against 1.73.0 for beta-1.74-rustdoc-1
[INFO] extracting crate vcard 0.4.13 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate vcard 0.4.13 on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vcard 0.4.13
[INFO] finished tweaking crates.io crate vcard 0.4.13
[INFO] tweaked toml for crates.io crate vcard 0.4.13 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate vcard 0.4.13 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" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oncemutex v0.1.1
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded regex-cache v0.2.1
[INFO] [stderr]   Downloaded base64-stream v2.0.0
[INFO] [stderr]   Downloaded educe v0.4.22
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.13
[INFO] [stderr]   Downloaded validators v0.20.19
[INFO] [stderr]   Downloaded phonenumber v0.2.4+8.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a26360e72fd5b3a878b303dcdf6c6af4d865749580cd24fc5460db695a1f92d9
[INFO] running `Command { std: "docker" "start" "-a" "a26360e72fd5b3a878b303dcdf6c6af4d865749580cd24fc5460db695a1f92d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26360e72fd5b3a878b303dcdf6c6af4d865749580cd24fc5460db695a1f92d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26360e72fd5b3a878b303dcdf6c6af4d865749580cd24fc5460db695a1f92d9", kill_on_drop: false }`
[INFO] [stdout] a26360e72fd5b3a878b303dcdf6c6af4d865749580cd24fc5460db695a1f92d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aba4f8faac90526e1f88705c8c722ba2fbcbc0343aa61ec8e3b29031ec28f6d
[INFO] running `Command { std: "docker" "start" "-a" "7aba4f8faac90526e1f88705c8c722ba2fbcbc0343aa61ec8e3b29031ec28f6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[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/1.73.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-syntax-0.7.5/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"' -C metadata=b294fa80cd5b8078 -C extra-filename=-b294fa80cd5b8078 --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" "7aba4f8faac90526e1f88705c8c722ba2fbcbc0343aa61ec8e3b29031ec28f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aba4f8faac90526e1f88705c8c722ba2fbcbc0343aa61ec8e3b29031ec28f6d", kill_on_drop: false }`
[INFO] [stdout] 7aba4f8faac90526e1f88705c8c722ba2fbcbc0343aa61ec8e3b29031ec28f6d