[INFO] fetching crate exonum-supervisor 1.0.0...
[INFO] documenting exonum-supervisor-1.0.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate exonum-supervisor 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate exonum-supervisor 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-supervisor 1.0.0
[INFO] finished tweaking crates.io crate exonum-supervisor 1.0.0
[INFO] tweaked toml for crates.io crate exonum-supervisor 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate exonum-supervisor 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 920704b08bbd9e8224e94b61ea9ba9b7acc91da172437ae74ed3fc1b456092cf
[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" "920704b08bbd9e8224e94b61ea9ba9b7acc91da172437ae74ed3fc1b456092cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920704b08bbd9e8224e94b61ea9ba9b7acc91da172437ae74ed3fc1b456092cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920704b08bbd9e8224e94b61ea9ba9b7acc91da172437ae74ed3fc1b456092cf", kill_on_drop: false }`
[INFO] [stdout] 920704b08bbd9e8224e94b61ea9ba9b7acc91da172437ae74ed3fc1b456092cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ed2d89c49a58a1b231b57bc806c3c82a08bc78f838409b8150971143cb73d4a9
[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" "ed2d89c49a58a1b231b57bc806c3c82a08bc78f838409b8150971143cb73d4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling clang-sys v0.29.2
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling time v0.1.42
[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 socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling protoc v2.12.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking parking_lot v0.10.0
[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 tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.27
[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]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.7.3
[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 brotli-sys v0.3.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking secret-tree v0.2.0
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-rt v1.0.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.23
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking actix-server v1.0.2
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking base64-serde v0.5.0
[INFO] [stderr]     Checking exonum_sodiumoxide v0.0.23
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking rust_decimal v1.4.0
[INFO] [stderr]     Checking os_info v2.0.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_str v0.1.0
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking pwbox v0.3.0
[INFO] [stderr]    Compiling exonum-derive v1.0.0
[INFO] [stderr]    Compiling librocksdb-sys v6.6.4
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]    Compiling protobuf-codegen v2.12.0
[INFO] [stderr] error: could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.12.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="serde"' --cfg 'feature="serde_derive"' --cfg 'feature="with-serde"' -C metadata=52bba388a576469f -C extra-filename=-52bba388a576469f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-faa6c3899c2b5ce7.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-863505b9ad84989b.so --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1pluscargo:warning=c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed2d89c49a58a1b231b57bc806c3c82a08bc78f838409b8150971143cb73d4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2d89c49a58a1b231b57bc806c3c82a08bc78f838409b8150971143cb73d4a9", kill_on_drop: false }`
[INFO] [stdout] ed2d89c49a58a1b231b57bc806c3c82a08bc78f838409b8150971143cb73d4a9