[INFO] fetching crate exonum-explorer-service 1.0.0...
[INFO] checking exonum-explorer-service-1.0.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate exonum-explorer-service 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate exonum-explorer-service 1.0.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-explorer-service 1.0.0
[INFO] finished tweaking crates.io crate exonum-explorer-service 1.0.0
[INFO] tweaked toml for crates.io crate exonum-explorer-service 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65ff2cb007bbc74009e113f75caa3456d55567d65edeb404f5bc182b25f97e77
[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" "65ff2cb007bbc74009e113f75caa3456d55567d65edeb404f5bc182b25f97e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ff2cb007bbc74009e113f75caa3456d55567d65edeb404f5bc182b25f97e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ff2cb007bbc74009e113f75caa3456d55567d65edeb404f5bc182b25f97e77", kill_on_drop: false }`
[INFO] [stdout] 65ff2cb007bbc74009e113f75caa3456d55567d65edeb404f5bc182b25f97e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee73a110e870f4805a9dd6d4234be90842e49fac3de8d301ff44daa871c2389
[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" "5ee73a110e870f4805a9dd6d4234be90842e49fac3de8d301ff44daa871c2389", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling zip v0.5.12
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.23
[INFO] [stderr]     Checking websocket-base v0.24.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking base64-serde v0.5.1
[INFO] [stderr]     Checking exonum_sodiumoxide v0.0.23
[INFO] [stderr]     Checking protobuf v2.23.0
[INFO] [stderr]     Checking hex-buffer-serde v0.2.2
[INFO] [stderr]     Checking actix-router v0.2.7
[INFO] [stderr]     Checking rust_decimal v1.13.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking serde_str v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking websocket v0.24.0
[INFO] [stderr]    Compiling exonum-derive v1.0.0
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking pwbox v0.3.0
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]    Compiling librocksdb-sys v6.17.3
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix v0.9.0
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]    Compiling protobuf-codegen v2.23.0
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]    Compiling protoc-rust v2.23.0
[INFO] [stderr]    Compiling exonum-build v1.0.1
[INFO] [stderr]     Checking actix-cors v0.2.0
[INFO] [stderr]     Checking actix-web-actors v2.0.0
[INFO] [stderr]     Checking exonum-api v1.0.0
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.23.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="serde"' --cfg 'feature="serde_derive"' --cfg 'feature="with-serde"' -C metadata=efe1336465fc3fdc -C extra-filename=-efe1336465fc3fdc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-5dd7fabe471f56b7.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-36459f3d8a62c6ad.so --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (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] 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" "5ee73a110e870f4805a9dd6d4234be90842e49fac3de8d301ff44daa871c2389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee73a110e870f4805a9dd6d4234be90842e49fac3de8d301ff44daa871c2389", kill_on_drop: false }`
[INFO] [stdout] 5ee73a110e870f4805a9dd6d4234be90842e49fac3de8d301ff44daa871c2389