[INFO] fetching crate substrate-frame-rpc-system 2.0.1...
[INFO] checking substrate-frame-rpc-system-2.0.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate substrate-frame-rpc-system 2.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate substrate-frame-rpc-system 2.0.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-frame-rpc-system 2.0.1
[INFO] finished tweaking crates.io crate substrate-frame-rpc-system 2.0.1
[INFO] tweaked toml for crates.io crate substrate-frame-rpc-system 2.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b015d49ef62e1849bee6508795e6bfedf1b9cdfe3d158b01cc5e53fb61bb4ec
[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" "4b015d49ef62e1849bee6508795e6bfedf1b9cdfe3d158b01cc5e53fb61bb4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b015d49ef62e1849bee6508795e6bfedf1b9cdfe3d158b01cc5e53fb61bb4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b015d49ef62e1849bee6508795e6bfedf1b9cdfe3d158b01cc5e53fb61bb4ec", kill_on_drop: false }`
[INFO] [stdout] 4b015d49ef62e1849bee6508795e6bfedf1b9cdfe3d158b01cc5e53fb61bb4ec
[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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8cef15126ddc4962c8a36b8a0b8660986e61439f223cee478035249f5c657d9
[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" "d8cef15126ddc4962c8a36b8a0b8660986e61439f223cee478035249f5c657d9", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.70
[INFO] [stderr]    Compiling bumpalo v3.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking ring v0.16.19
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[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 webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[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=8782a00592da1ba0 -C extra-filename=-8782a00592da1ba0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-569a0efc251ae0a7.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-4361ff58e1bafe6b.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-ac00de12abe71a9d.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-43512897de1efa60.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3058962f0de9386f.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-701dad63d349cd43.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-81e0abbc731073e0.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-49681cb3a11b6934.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" "d8cef15126ddc4962c8a36b8a0b8660986e61439f223cee478035249f5c657d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cef15126ddc4962c8a36b8a0b8660986e61439f223cee478035249f5c657d9", kill_on_drop: false }`
[INFO] [stdout] d8cef15126ddc4962c8a36b8a0b8660986e61439f223cee478035249f5c657d9