[INFO] fetching crate substrate-browser-utils 0.8.0-rc6...
[INFO] documenting substrate-browser-utils-0.8.0-rc6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate substrate-browser-utils 0.8.0-rc6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.8.0-rc6 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e94506ec76e4f5eb53807f747cf723c96a3328a6fc54bccfbfba9ccf329aa9
[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" "f3e94506ec76e4f5eb53807f747cf723c96a3328a6fc54bccfbfba9ccf329aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e94506ec76e4f5eb53807f747cf723c96a3328a6fc54bccfbfba9ccf329aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e94506ec76e4f5eb53807f747cf723c96a3328a6fc54bccfbfba9ccf329aa9", kill_on_drop: false }`
[INFO] [stdout] f3e94506ec76e4f5eb53807f747cf723c96a3328a6fc54bccfbfba9ccf329aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165e4dde0cc0501bb80feee9775d35f9cd78bcf53809a4c4be20ce67adcfb483
[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" "165e4dde0cc0501bb80feee9775d35f9cd78bcf53809a4c4be20ce67adcfb483", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]     Checking send_wrapper v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.5
[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 sp-tracing v2.0.0-rc6
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking const-random v0.1.8
[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 v0.4.3
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking sp-chain-spec v2.0.0-rc6
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc6
[INFO] [stderr]    Compiling jsonrpc-derive v14.2.1
[INFO] [stderr]    Compiling sc-chain-spec-derive v2.0.0-rc6
[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 chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking jsonrpc-pubsub v14.2.0
[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 jsonrpc-client-transports v14.2.1
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking jsonrpc-core-client v14.2.0
[INFO] [stderr]     Checking jsonrpc-server-utils v14.2.0
[INFO] [stderr]     Checking tokio-named-pipes v0.1.0
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]    Compiling libp2p-kad v0.21.0
[INFO] [stderr]    Compiling libp2p-identify v0.20.0
[INFO] [stderr]    Compiling libp2p-noise v0.22.0
[INFO] [stderr]    Compiling sc-network v0.8.0-rc6
[INFO] [stderr]     Checking parity-tokio-ipc v0.4.0
[INFO] [stderr]     Checking jsonrpc-ws-server v14.2.0
[INFO] [stderr]     Checking jsonrpc-ipc-server v14.2.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking futures v0.3.5
[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 --crate-type lib --emit=dep-info,metadata -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=6c79ed39dadcb561 -C extra-filename=-6c79ed39dadcb561 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-32d0c16c19d96a02.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-19b5ef4769acfb73.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-7c72e2c50a9dba8a.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-2920ae5f43e8f857.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-bce2bc494d84fc0d.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-d73462ec384bab2c.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-b660f96d5b04fd07.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-546f462e1e0cb138.rmeta --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" "165e4dde0cc0501bb80feee9775d35f9cd78bcf53809a4c4be20ce67adcfb483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165e4dde0cc0501bb80feee9775d35f9cd78bcf53809a4c4be20ce67adcfb483", kill_on_drop: false }`
[INFO] [stdout] 165e4dde0cc0501bb80feee9775d35f9cd78bcf53809a4c4be20ce67adcfb483