[INFO] fetching crate substrate-browser-utils 0.8.0-rc6...
[INFO] documenting substrate-browser-utils-0.8.0-rc6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate substrate-browser-utils 0.8.0-rc6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.8.0-rc6 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.8.0-rc6
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.8.0-rc6
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.8.0-rc6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvdb-web v0.7.0
[INFO] [stderr]   Downloaded send_wrapper v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f79dd8201e558d9071b5c684e08bc27326f2aeb9e693e7e5ca9a0951bebdaa60
[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" "f79dd8201e558d9071b5c684e08bc27326f2aeb9e693e7e5ca9a0951bebdaa60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79dd8201e558d9071b5c684e08bc27326f2aeb9e693e7e5ca9a0951bebdaa60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79dd8201e558d9071b5c684e08bc27326f2aeb9e693e7e5ca9a0951bebdaa60", kill_on_drop: false }`
[INFO] [stdout] f79dd8201e558d9071b5c684e08bc27326f2aeb9e693e7e5ca9a0951bebdaa60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7940f8a53c93ec002f95c3d7c076609d703012cd0ee28394cd840f60586eae5
[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" "f7940f8a53c93ec002f95c3d7c076609d703012cd0ee28394cd840f60586eae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
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[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]     Checking send_wrapper v0.3.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking polling v0.1.7
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking directories v2.0.2
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[INFO] [stderr]     Checking block-cipher v0.7.1
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[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking ct-logs v0.7.0
[INFO] [stderr]     Checking sp-serializer v2.0.0-rc6
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking sp-tracing v2.0.0-rc6
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[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking tokio-rustls v0.14.1
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[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc6
[INFO] [stderr]    Compiling sc-chain-spec-derive v2.0.0-rc6
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking async-tls v0.8.0
[INFO] [stderr]     Checking intervalier v0.4.0
[INFO] [stderr]     Checking futures-diagnose v1.0.1
[INFO] [stderr]     Checking exit-future v0.2.0
[INFO] [stderr]     Checking miow v0.3.5
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking jsonrpc-server-utils v14.2.0
[INFO] [stderr]     Checking tokio-named-pipes v0.1.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.2
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking schnorrkel v0.9.1
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[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking yamux v0.4.9
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking jsonrpc-pubsub v14.2.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking parity-tokio-ipc v0.4.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking jsonrpc-ipc-server v14.2.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking jsonrpc-client-transports v14.2.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking jsonrpc-core-client v14.2.0
[INFO] [stderr]     Checking jsonrpc-ws-server v14.2.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]    Compiling libp2p-identify v0.20.0
[INFO] [stderr]    Compiling libp2p-kad v0.21.0
[INFO] [stderr]    Compiling libp2p-noise v0.22.0
[INFO] [stderr]    Compiling sc-network v0.8.0-rc6
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking jsonrpc-http-server v14.2.0
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-storage v2.0.0-rc6
[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-rc6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=6841007817dbf9fb -C extra-filename=-6841007817dbf9fb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-477df9af4bbd0d1d.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-592fc33a717575c7.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-71c5aa24984e0547.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-86659819dd43cd20.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2e16966c3bded4e9.rlib --extern proc_macro --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f7940f8a53c93ec002f95c3d7c076609d703012cd0ee28394cd840f60586eae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7940f8a53c93ec002f95c3d7c076609d703012cd0ee28394cd840f60586eae5", kill_on_drop: false }`
[INFO] [stdout] f7940f8a53c93ec002f95c3d7c076609d703012cd0ee28394cd840f60586eae5