[INFO] fetching crate sc-chain-spec 2.0.0-rc2...
[INFO] testing sc-chain-spec-2.0.0-rc2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate sc-chain-spec 2.0.0-rc2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sc-chain-spec 2.0.0-rc2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-chain-spec 2.0.0-rc2
[INFO] finished tweaking crates.io crate sc-chain-spec 2.0.0-rc2
[INFO] tweaked toml for crates.io crate sc-chain-spec 2.0.0-rc2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1b7dc847ba1928683478ebbca89c073ea280e4965dd6f4e2ab64779f8dc1512
[INFO] running `"docker" "start" "-a" "a1b7dc847ba1928683478ebbca89c073ea280e4965dd6f4e2ab64779f8dc1512"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling ip_network v0.3.4
[INFO] [stderr]    Compiling chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling linked_hash_set v0.1.3
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling uint v0.8.3
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling sp-chain-spec v2.0.0-rc2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling libp2p-identify v0.19.1
[INFO] [stderr]    Compiling libp2p-noise v0.19.0
[INFO] [stderr]    Compiling libp2p-kad v0.19.0
[INFO] [stderr]    Compiling sc-network v0.8.0-rc2
[INFO] [stderr]    Compiling sc-chain-spec-derive v2.0.0-rc2
[INFO] [stderr]    Compiling libp2p-core v0.19.1
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc2
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling js-sys v0.3.40
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling x25519-dalek v0.6.0
[INFO] [stderr]    Compiling substrate-bip39 v0.4.1
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling piper v0.1.3
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling smol v0.1.11
[INFO] [stderr]    Compiling web-sys v0.3.40
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.13
[INFO] [stderr]    Compiling futures_codec v0.3.4
[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,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=8b96436d019904b9 -C extra-filename=-8b96436d019904b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a1b7dc847ba1928683478ebbca89c073ea280e4965dd6f4e2ab64779f8dc1512"`
[INFO] running `"docker" "rm" "-f" "a1b7dc847ba1928683478ebbca89c073ea280e4965dd6f4e2ab64779f8dc1512"`
[INFO] [stdout] a1b7dc847ba1928683478ebbca89c073ea280e4965dd6f4e2ab64779f8dc1512