[INFO] fetching crate c2rust 0.16.0...
[INFO] documenting c2rust-0.16.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate c2rust 0.16.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate c2rust 0.16.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-40/source/rust-toolchain
[INFO] started tweaking crates.io crate c2rust 0.16.0
[INFO] finished tweaking crates.io crate c2rust 0.16.0
[INFO] tweaked toml for crates.io crate c2rust 0.16.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate c2rust 0.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git-testament v0.2.1
[INFO] [stderr]   Downloaded git-testament-derive v0.1.13
[INFO] [stderr]   Downloaded c2rust-transpile v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 455464569bf5abebcf92b00b1ede9434ab84edd2a1466f807756e7d2068cfabb
[INFO] running `Command { std: "docker" "start" "-a" "455464569bf5abebcf92b00b1ede9434ab84edd2a1466f807756e7d2068cfabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455464569bf5abebcf92b00b1ede9434ab84edd2a1466f807756e7d2068cfabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455464569bf5abebcf92b00b1ede9434ab84edd2a1466f807756e7d2068cfabb", kill_on_drop: false }`
[INFO] [stdout] 455464569bf5abebcf92b00b1ede9434ab84edd2a1466f807756e7d2068cfabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcdcd72d2ba30a655a128d7ba009c2e5b73217b9f6290786035c11b394ba61c
[INFO] running `Command { std: "docker" "start" "-a" "7fcdcd72d2ba30a655a128d7ba009c2e5b73217b9f6290786035c11b394ba61c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]     Checking dtoa v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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 -C debuginfo=2 --cfg 'feature="default"' --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=3da0f9b74b112533 -C extra-filename=-3da0f9b74b112533 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7fcdcd72d2ba30a655a128d7ba009c2e5b73217b9f6290786035c11b394ba61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcdcd72d2ba30a655a128d7ba009c2e5b73217b9f6290786035c11b394ba61c", kill_on_drop: false }`
[INFO] [stdout] 7fcdcd72d2ba30a655a128d7ba009c2e5b73217b9f6290786035c11b394ba61c