[INFO] fetching crate exonum-explorer-service 1.0.0...
[INFO] testing exonum-explorer-service-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate exonum-explorer-service 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate exonum-explorer-service 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3b860d88bb203e0d578329dbb07367ae4c4881b0e9e1293eef57d79cf395e6
[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" "ec3b860d88bb203e0d578329dbb07367ae4c4881b0e9e1293eef57d79cf395e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3b860d88bb203e0d578329dbb07367ae4c4881b0e9e1293eef57d79cf395e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3b860d88bb203e0d578329dbb07367ae4c4881b0e9e1293eef57d79cf395e6", kill_on_drop: false }`
[INFO] [stdout] ec3b860d88bb203e0d578329dbb07367ae4c4881b0e9e1293eef57d79cf395e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8028b632e848c7ab579733b55496683e205f2e5a78d0bb1a3e0b490acf5152f5
[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" "8028b632e848c7ab579733b55496683e205f2e5a78d0bb1a3e0b490acf5152f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]    Compiling protobuf-convert v0.4.0
[INFO] [stderr]    Compiling exonum-rust-runtime v1.0.0
[INFO] [stderr]    Compiling exonum-proto v1.0.0
[INFO] [stderr]    Compiling exonum-crypto v1.0.0
[INFO] [stderr]    Compiling exonum-merkledb v1.0.0
[INFO] [stderr]    Compiling exonum v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling actix-connect v1.0.2
[INFO] [stderr]    Compiling exonum-keys v1.0.0
[INFO] [stderr]    Compiling actix-http v1.0.1
[INFO] [stderr]    Compiling librocksdb-sys v6.11.4
[INFO] [stderr]    Compiling awc v1.0.1
[INFO] [stderr]    Compiling actix v0.9.0
[INFO] [stderr]    Compiling actix-web v2.0.0
[INFO] [stderr]    Compiling actix-cors v0.2.0
[INFO] [stderr]    Compiling actix-web-actors v2.0.0
[INFO] [stderr]    Compiling exonum-api v1.0.0
[INFO] [stderr] error: could not compile `exonum-api`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name exonum_api --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum-api-1.0.0/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 -C metadata=16cef6606db812ce -C extra-filename=-16cef6606db812ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix_cors=/opt/rustwide/target/debug/deps/libactix_cors-773bc2bd8be2cf80.rmeta --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-0f0192c809ba8902.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-7e5d481e181a2dc8.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-35265deee4aeadc6.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-beb630d60bdb7088.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-fc460fbdfae0b290.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2d9282416d6ceb7d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c330d2f21d148297.rmeta --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-889e9ef4f00fc1c8.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-0c6cd0b5d94593f4.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/brotli-sys-ae53c477eed1d6e6/out` (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" "8028b632e848c7ab579733b55496683e205f2e5a78d0bb1a3e0b490acf5152f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8028b632e848c7ab579733b55496683e205f2e5a78d0bb1a3e0b490acf5152f5", kill_on_drop: false }`
[INFO] [stdout] 8028b632e848c7ab579733b55496683e205f2e5a78d0bb1a3e0b490acf5152f5