[INFO] fetching crate sc-chain-spec 2.0.0-alpha.6...
[INFO] testing sc-chain-spec-2.0.0-alpha.6 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate sc-chain-spec 2.0.0-alpha.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sc-chain-spec 2.0.0-alpha.6 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-chain-spec 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate sc-chain-spec 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate sc-chain-spec 2.0.0-alpha.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] bc66d8b0668d8793f2e0854407b98e80d486836f36e92d0f3a9bae8b1b7589cd
[INFO] running `"docker" "start" "-a" "bc66d8b0668d8793f2e0854407b98e80d486836f36e92d0f3a9bae8b1b7589cd"`
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling sp-chain-spec v2.0.0-alpha.6
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling linked_hash_set v0.1.3
[INFO] [stderr]    Compiling sc-chain-spec-derive v2.0.0-alpha.6
[INFO] [stderr]    Compiling libp2p-identify v0.18.0
[INFO] [stderr]    Compiling libp2p-kad v0.18.0
[INFO] [stderr]    Compiling libp2p-noise v0.18.0
[INFO] [stderr]    Compiling sc-network v0.8.0-alpha.6
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-alpha.6
[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 tokio-util v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling substrate-bip39 v0.4.1
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling futures_codec v0.3.4
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.4
[INFO] [stderr]    Compiling async-tls v0.7.0
[INFO] [stderr]    Compiling soketto v0.3.2
[INFO] [stderr]    Compiling yamux v0.4.5
[INFO] [stderr]    Compiling sp-utils v2.0.0-alpha.6
[INFO] [stderr]    Compiling futures-diagnose v1.0.1
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling multistream-select v0.8.0
[INFO] [stderr]    Compiling parity-multiaddr v0.8.0
[INFO] [stderr]    Compiling libp2p-core v0.18.0
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0-alpha.6
[INFO] [stderr]    Compiling fork-tree v2.0.0-alpha.6
[INFO] [stderr]    Compiling primitive-types v0.7.0
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]    Compiling sp-runtime-interface v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-arithmetic v2.0.0-alpha.6
[INFO] [stderr]    Compiling memory-db v0.20.1
[INFO] [stderr]    Compiling kvdb v0.5.0
[INFO] [stderr]    Compiling libp2p-swarm v0.18.1
[INFO] [stderr]    Compiling libp2p-websocket v0.18.0
[INFO] [stderr]    Compiling libp2p-dns v0.18.0
[INFO] [stderr]    Compiling libp2p-wasm-ext v0.18.0
[INFO] [stderr]    Compiling libp2p-mplex v0.18.0
[INFO] [stderr]    Compiling libp2p-yamux v0.18.0
[INFO] [stderr]    Compiling sp-core v2.0.0-alpha.6
[INFO] [stderr]    Compiling libp2p-tcp v0.18.0
[INFO] [stderr] error: could not compile `sp-api-proc-macro`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sp_api_proc_macro --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-api-proc-macro-2.0.0-alpha.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=60f479bf07825588 -C extra-filename=-60f479bf07825588 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-27b3f51098410873.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-51660480698cc4f7.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-80ab273bcce0038d.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-6a7dcfeb42a970e1.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0ed60732b7f77c61.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bc66d8b0668d8793f2e0854407b98e80d486836f36e92d0f3a9bae8b1b7589cd"`
[INFO] running `"docker" "rm" "-f" "bc66d8b0668d8793f2e0854407b98e80d486836f36e92d0f3a9bae8b1b7589cd"`
[INFO] [stdout] bc66d8b0668d8793f2e0854407b98e80d486836f36e92d0f3a9bae8b1b7589cd