[INFO] crate pallet-babe 2.0.0-rc2 is already in cache
[INFO] testing pallet-babe-2.0.0-rc2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate pallet-babe 2.0.0-rc2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pallet-babe 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 pallet-babe 2.0.0-rc2
[INFO] finished tweaking crates.io crate pallet-babe 2.0.0-rc2
[INFO] tweaked toml for crates.io crate pallet-babe 2.0.0-rc2 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9b3bc9a88c5f15bc9e43e345e10e620aeb848204a76ec89f4ec0bafb4340a195
[INFO] running `"docker" "start" "-a" "9b3bc9a88c5f15bc9e43e345e10e620aeb848204a76ec89f4ec0bafb4340a195"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling uint v0.8.3
[INFO] [stderr]    Compiling sp-panic-handler v2.0.0-rc2
[INFO] [stderr]    Compiling statrs v0.10.0
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.19.1
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling multihash v0.11.2
[INFO] [stderr]    Compiling trie-db v0.20.1
[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling merlin v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc2
[INFO] [stderr]    Compiling parity-multiaddr v0.9.0
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling substrate-bip39 v0.4.1
[INFO] [stderr] error: could not compile `libsecp256k1`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name secp256k1 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libsecp256k1-0.3.5/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="default"' --cfg 'feature="hmac"' --cfg 'feature="hmac-drbg"' --cfg 'feature="sha2"' --cfg 'feature="std"' --cfg 'feature="typenum"' -C metadata=20cf6df7da33206c -C extra-filename=-20cf6df7da33206c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-583f8f6d9dd71331.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-15a80e17be085dd2.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-86c2d46ebf065e8c.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-5bc8e6d4c1193396.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c52ee24b84a5a816.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-d46cb536f70d8010.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-c7bbdba9f4ea8f24.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-39ed46c8e7bd0d00.rmeta --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" "9b3bc9a88c5f15bc9e43e345e10e620aeb848204a76ec89f4ec0bafb4340a195"`
[INFO] running `"docker" "rm" "-f" "9b3bc9a88c5f15bc9e43e345e10e620aeb848204a76ec89f4ec0bafb4340a195"`
[INFO] [stdout] 9b3bc9a88c5f15bc9e43e345e10e620aeb848204a76ec89f4ec0bafb4340a195