[INFO] fetching crate exonum 0.12.2...
[INFO] documenting exonum-0.12.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate exonum 0.12.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate exonum 0.12.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum 0.12.2
[INFO] finished tweaking crates.io crate exonum 0.12.2
[INFO] tweaked toml for crates.io crate exonum 0.12.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate exonum 0.12.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded ctor v0.1.14
[INFO] [stderr]   Downloaded filetime v0.2.10
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded erased-serde v0.3.11
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded protobuf-codegen v2.14.0
[INFO] [stderr]   Downloaded protoc-rust v2.14.0
[INFO] [stderr]   Downloaded socket2 v0.3.12
[INFO] [stderr]   Downloaded tar v0.4.27
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded openssl-sys v0.9.56
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded protoc v2.14.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded rust_decimal v1.6.0
[INFO] [stderr]   Downloaded tinytemplate v1.0.4
[INFO] [stderr]   Downloaded ctrlc v3.1.4
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded openssl v0.10.29
[INFO] [stderr]   Downloaded encoding_rs v0.8.23
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded librocksdb-sys v6.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a52d33cb90619091a35af5c513dedc693449ebddd06f919615d31d0c82c1e980
[INFO] running `Command { std: "docker" "start" "-a" "a52d33cb90619091a35af5c513dedc693449ebddd06f919615d31d0c82c1e980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a52d33cb90619091a35af5c513dedc693449ebddd06f919615d31d0c82c1e980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52d33cb90619091a35af5c513dedc693449ebddd06f919615d31d0c82c1e980", kill_on_drop: false }`
[INFO] [stdout] a52d33cb90619091a35af5c513dedc693449ebddd06f919615d31d0c82c1e980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9fce149c6f398f6932bda3002c924a2423d49749d54442c13ea6886d470816d
[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" "f9fce149c6f398f6932bda3002c924a2423d49749d54442c13ea6886d470816d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling protoc v2.14.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking cookie v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling tar v0.4.27
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling exonum-derive v0.12.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling librocksdb-sys v6.7.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking exonum_sodiumoxide v0.0.22
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rust_decimal v1.6.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking erased-serde v0.3.11
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking pwbox v0.2.1
[INFO] [stderr]     Checking exonum-crypto v0.12.0
[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-2.14.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="serde"' --cfg 'feature="serde_derive"' --cfg 'feature="with-serde"' -C metadata=e47f8597b5a2a1d9 -C extra-filename=-e47f8597b5a2a1d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-bb054cc8dfd84d38.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-c8cc38845b71f1c9.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 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" "f9fce149c6f398f6932bda3002c924a2423d49749d54442c13ea6886d470816d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fce149c6f398f6932bda3002c924a2423d49749d54442c13ea6886d470816d", kill_on_drop: false }`
[INFO] [stdout] f9fce149c6f398f6932bda3002c924a2423d49749d54442c13ea6886d470816d
