[INFO] fetching crate substrate-browser-utils 0.8.0...
[INFO] documenting substrate-browser-utils-0.8.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate substrate-browser-utils 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.8.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.8.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.8.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e864b430b6d03549f71eb1f4394a43cc94f5445c1ba6766255874c30f6e72b
[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" "90e864b430b6d03549f71eb1f4394a43cc94f5445c1ba6766255874c30f6e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e864b430b6d03549f71eb1f4394a43cc94f5445c1ba6766255874c30f6e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e864b430b6d03549f71eb1f4394a43cc94f5445c1ba6766255874c30f6e72b", kill_on_drop: false }`
[INFO] [stdout] 90e864b430b6d03549f71eb1f4394a43cc94f5445c1ba6766255874c30f6e72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff1079f81f94257614157baf49554916a25482974c74152dd0d4c2afcf1cca8f
[INFO] running `Command { std: "docker" "start" "-a" "ff1079f81f94257614157baf49554916a25482974c74152dd0d4c2afcf1cca8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[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]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling hex-literal v0.3.1
[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 lazycell v1.3.0
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking send_wrapper v0.3.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking lru v0.6.0
[INFO] [stderr]     Checking block-cipher v0.8.0
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[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling minicbor-derive v0.4.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking polyval v0.4.1
[INFO] [stderr]     Checking poly1305 v0.6.1
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking ct-logs v0.7.0
[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 chacha20 v0.5.0
[INFO] [stderr]     Checking sp-serializer v2.0.0
[INFO] [stderr]     Checking jsonrpc-core v15.1.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking miow v0.3.5
[INFO] [stderr]     Checking aes-gcm v0.7.0
[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]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]     Checking async-global-executor v1.4.0
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0
[INFO] [stderr]    Compiling jsonrpc-derive v15.1.0
[INFO] [stderr]    Compiling sc-chain-spec-derive v2.0.0
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking parity-ws v0.10.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking multistream-select v0.8.3
[INFO] [stderr]     Checking yamux v0.8.0
[INFO] [stderr]     Checking soketto v0.4.2
[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 wasmi v0.6.2
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking jsonrpc-pubsub v15.1.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking async-tls v0.8.0
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking jsonrpc-client-transports v15.1.0
[INFO] [stderr]     Checking minicbor v0.5.1
[INFO] [stderr]     Checking jsonrpc-server-utils v15.1.0
[INFO] [stderr]     Checking tokio-named-pipes v0.1.0
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking parity-tokio-ipc v0.4.0
[INFO] [stderr]     Checking jsonrpc-ipc-server v15.1.0
[INFO] [stderr]     Checking jsonrpc-ws-server v15.1.0
[INFO] [stderr]     Checking jsonrpc-core-client v15.1.0
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling libp2p-core v0.22.1
[INFO] [stderr]    Compiling libp2p-identify v0.22.0
[INFO] [stderr]    Compiling libp2p-noise v0.24.0
[INFO] [stderr]    Compiling libp2p-kad v0.23.0
[INFO] [stderr]    Compiling sc-network v0.8.0
[INFO] [stderr]     Checking hyper v0.12.35
[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/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=256139ce4a98781b -C extra-filename=-256139ce4a98781b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-405e78f7f333fa10.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-66db1a145cddfd31.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b533cced430adc3c.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1af776faa820709e.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-11122e24ab27e03e.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" "ff1079f81f94257614157baf49554916a25482974c74152dd0d4c2afcf1cca8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1079f81f94257614157baf49554916a25482974c74152dd0d4c2afcf1cca8f", kill_on_drop: false }`
[INFO] [stdout] ff1079f81f94257614157baf49554916a25482974c74152dd0d4c2afcf1cca8f
