[INFO] fetching crate sc-consensus-epochs 0.9.0...
[INFO] documenting sc-consensus-epochs-0.9.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate sc-consensus-epochs 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sc-consensus-epochs 0.9.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-consensus-epochs 0.9.0
[INFO] finished tweaking crates.io crate sc-consensus-epochs 0.9.0
[INFO] tweaked toml for crates.io crate sc-consensus-epochs 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c29ebeaf46f1b09046a99c8bcb456cede3980ed00f75dd6d2a2815222fcfc4e
[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" "9c29ebeaf46f1b09046a99c8bcb456cede3980ed00f75dd6d2a2815222fcfc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c29ebeaf46f1b09046a99c8bcb456cede3980ed00f75dd6d2a2815222fcfc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c29ebeaf46f1b09046a99c8bcb456cede3980ed00f75dd6d2a2815222fcfc4e", kill_on_drop: false }`
[INFO] [stdout] 9c29ebeaf46f1b09046a99c8bcb456cede3980ed00f75dd6d2a2815222fcfc4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d0c5104cae4c0c805af09353261126e8560f89f1d7553c98cc1344d1334cba8
[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" "5d0c5104cae4c0c805af09353261126e8560f89f1d7553c98cc1344d1334cba8", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking prometheus v0.11.0
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking sp-serializer v3.0.0
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling sp-api-proc-macro v3.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking sp-utils v3.0.0
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking parity-multiaddr v0.11.2
[INFO] [stderr]     Checking parity-scale-codec v2.2.0
[INFO] [stderr]    Compiling libp2p-core v0.27.1
[INFO] [stderr]     Checking impl-codec v0.5.1
[INFO] [stderr]     Checking sp-storage v3.0.0
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking sp-wasm-interface v3.0.0
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]     Checking fork-tree v3.0.0
[INFO] [stderr]     Checking primitive-types v0.9.1
[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 --crate-type lib --emit=dep-info,metadata -C embed-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=23ac115553e26b9c -C extra-filename=-23ac115553e26b9c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-2a288548cf333a87.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-1c68fc617cb6809d.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-b0ca9fd9aebe59ef.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-378fc1a03d31642b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-cf2d99cf6f031797.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-9cad33f00963ea27.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-1b60d376be667165.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-8fa0e6bbb9428c5d.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" "5d0c5104cae4c0c805af09353261126e8560f89f1d7553c98cc1344d1334cba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0c5104cae4c0c805af09353261126e8560f89f1d7553c98cc1344d1334cba8", kill_on_drop: false }`
[INFO] [stdout] 5d0c5104cae4c0c805af09353261126e8560f89f1d7553c98cc1344d1334cba8