[INFO] fetching crate exonum-testkit 1.0.0...
[INFO] documenting exonum-testkit-1.0.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate exonum-testkit 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate exonum-testkit 1.0.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-testkit 1.0.0
[INFO] finished tweaking crates.io crate exonum-testkit 1.0.0
[INFO] tweaked toml for crates.io crate exonum-testkit 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate exonum-testkit 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06a5220752069c6d917c8810029587283b65ce8e12143fabb285e349261c8fd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06a5220752069c6d917c8810029587283b65ce8e12143fabb285e349261c8fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a5220752069c6d917c8810029587283b65ce8e12143fabb285e349261c8fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a5220752069c6d917c8810029587283b65ce8e12143fabb285e349261c8fd1", kill_on_drop: false }`
[INFO] [stdout] 06a5220752069c6d917c8810029587283b65ce8e12143fabb285e349261c8fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726fb8be88d2316bdd2d7911017ccb9cbc19a26ca35d4e4579ccb2a741b59d25
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "726fb8be88d2316bdd2d7911017ccb9cbc19a26ca35d4e4579ccb2a741b59d25", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling clang-sys v0.29.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling protoc v2.12.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking secret-tree v0.2.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.23
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.27
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr] error: could not compile `bindgen`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bindgen /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bindgen-0.53.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clap"' --cfg 'feature="default"' --cfg 'feature="env_logger"' --cfg 'feature="log"' --cfg 'feature="logging"' --cfg 'feature="runtime"' --cfg 'feature="which"' --cfg 'feature="which-rustfmt"' -C metadata=38eca1146559061c -C extra-filename=-38eca1146559061c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-0cd415034ee648ca.rmeta --extern cexpr=/opt/rustwide/target/debug/deps/libcexpr-0eaf070e7f19b50f.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-748f21f0c8637ed0.rmeta --extern clang_sys=/opt/rustwide/target/debug/deps/libclang_sys-8287e9bb1eeb25d7.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-321237147061c2c4.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a5ef0d31a1a14b6a.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-adcdbda25352d993.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-425510ffa76c1998.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-bd59f265bd7f79c1.rmeta --extern peeking_take_while=/opt/rustwide/target/debug/deps/libpeeking_take_while-37f9ef2c95055983.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bc142c9387d61b85.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7e0d3dfed5155798.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bf5b025395c4a02.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-b397106c50969fcf.rmeta --extern shlex=/opt/rustwide/target/debug/deps/libshlex-0212a0586db718a4.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-7907c555363ccbd6.rmeta --cap-lints allow -L native=/opt/rustwide/target/debug/build/libloading-6fa89a888e2f7cb5/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "726fb8be88d2316bdd2d7911017ccb9cbc19a26ca35d4e4579ccb2a741b59d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726fb8be88d2316bdd2d7911017ccb9cbc19a26ca35d4e4579ccb2a741b59d25", kill_on_drop: false }`
[INFO] [stdout] 726fb8be88d2316bdd2d7911017ccb9cbc19a26ca35d4e4579ccb2a741b59d25