[INFO] fetching crate autocxx-integration-tests 0.22.0...
[INFO] documenting autocxx-integration-tests-0.22.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate autocxx-integration-tests 0.22.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate autocxx-integration-tests 0.22.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autocxx-integration-tests 0.22.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate autocxx-integration-tests 0.22.0
[INFO] tweaked toml for crates.io crate autocxx-integration-tests 0.22.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f5d9c7f04dc2be9ce6e385f7ce1d2b8c859c33bff308ac44cbd9f155b37871
[INFO] running `Command { std: "docker" "start" "-a" "02f5d9c7f04dc2be9ce6e385f7ce1d2b8c859c33bff308ac44cbd9f155b37871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f5d9c7f04dc2be9ce6e385f7ce1d2b8c859c33bff308ac44cbd9f155b37871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f5d9c7f04dc2be9ce6e385f7ce1d2b8c859c33bff308ac44cbd9f155b37871", kill_on_drop: false }`
[INFO] [stdout] 02f5d9c7f04dc2be9ce6e385f7ce1d2b8c859c33bff308ac44cbd9f155b37871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0896e24690fe90759e416e27bf5b4cfef389a92816625e655668a9abb9f1cd9
[INFO] running `Command { std: "docker" "start" "-a" "f0896e24690fe90759e416e27bf5b4cfef389a92816625e655668a9abb9f1cd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.68
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling autocxx-bindgen v0.59.16
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling trybuild v1.0.61
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]     Checking rust_info v0.3.2
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[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-0.6.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -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=f083e499a9477ef4 -C extra-filename=-f083e499a9477ef4 --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" "f0896e24690fe90759e416e27bf5b4cfef389a92816625e655668a9abb9f1cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0896e24690fe90759e416e27bf5b4cfef389a92816625e655668a9abb9f1cd9", kill_on_drop: false }`
[INFO] [stdout] f0896e24690fe90759e416e27bf5b4cfef389a92816625e655668a9abb9f1cd9