[INFO] fetching crate sc-rpc 2.0.0-rc4...
[INFO] checking sc-rpc-2.0.0-rc4 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate sc-rpc 2.0.0-rc4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sc-rpc 2.0.0-rc4 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-rpc 2.0.0-rc4
[INFO] finished tweaking crates.io crate sc-rpc 2.0.0-rc4
[INFO] tweaked toml for crates.io crate sc-rpc 2.0.0-rc4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", 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] 5b8fd9d161d5296e68778245391dd6a33b0aa9a9f1f29289fac1ada1dc07ef29
[INFO] running `Command { std: "docker" "start" "-a" "5b8fd9d161d5296e68778245391dd6a33b0aa9a9f1f29289fac1ada1dc07ef29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8fd9d161d5296e68778245391dd6a33b0aa9a9f1f29289fac1ada1dc07ef29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8fd9d161d5296e68778245391dd6a33b0aa9a9f1f29289fac1ada1dc07ef29", kill_on_drop: false }`
[INFO] [stdout] 5b8fd9d161d5296e68778245391dd6a33b0aa9a9f1f29289fac1ada1dc07ef29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df66851c2572b8d01a287d854914234bf09778224bb8a7f65910811a83761a98
[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" "df66851c2572b8d01a287d854914234bf09778224bb8a7f65910811a83761a98", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.65
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0-rc4
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc4
[INFO] [stderr]    Compiling jsonrpc-derive v14.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking sp-serializer v2.0.0-rc4
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking sp-chain-spec v2.0.0-rc4
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]     Checking jsonrpc-pubsub v14.2.0
[INFO] [stderr]     Checking jsonrpc-client-transports v14.2.0
[INFO] [stderr]     Checking jsonrpc-core-client v14.2.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.65
[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=0a301548f4e24897 -C extra-filename=-0a301548f4e24897 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-d5880a884e958d38.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-f82de0a028e97c5c.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-815ae64e263cb2b5.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-b379ebfa90a58bb8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9317b6554e82644b.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-60e8832ecc4cebf1.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-78c92267a2857fd3.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-f2b5c05cc0c21f96.rmeta --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 `Command { std: "docker" "inspect" "df66851c2572b8d01a287d854914234bf09778224bb8a7f65910811a83761a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df66851c2572b8d01a287d854914234bf09778224bb8a7f65910811a83761a98", kill_on_drop: false }`
[INFO] [stdout] df66851c2572b8d01a287d854914234bf09778224bb8a7f65910811a83761a98