[INFO] crate pallet-staking 2.0.0-alpha.5 is already in cache
[INFO] checking pallet-staking-2.0.0-alpha.5 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate pallet-staking 2.0.0-alpha.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pallet-staking 2.0.0-alpha.5 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-staking 2.0.0-alpha.5
[INFO] finished tweaking crates.io crate pallet-staking 2.0.0-alpha.5
[INFO] tweaked toml for crates.io crate pallet-staking 2.0.0-alpha.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f2f9a5ed743e4301bba12c2774a56734bd22f8c4d6a3ea1dd7d79e9cdf2bc7e
[INFO] running `"docker" "start" "-a" "9f2f9a5ed743e4301bba12c2774a56734bd22f8c4d6a3ea1dd7d79e9cdf2bc7e"`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking sp-std v2.0.0-alpha.5
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-alpha.5
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-alpha.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-alpha.5
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking impl-serde v0.3.0
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking paste v0.1.10
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking fixed-hash v0.6.0
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking trie-db v0.20.0
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking sp-storage v2.0.0-alpha.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-externalities v0.8.0-alpha.5
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0-alpha.5
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-alpha.5
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0-alpha.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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="hmac"' --cfg 'feature="hmac-drbg"' --cfg 'feature="sha2"' --cfg 'feature="std"' --cfg 'feature="typenum"' -C metadata=64775abb0422ab79 -C extra-filename=-64775abb0422ab79 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-b63b74a8dc68f841.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-1ac87ca418972eb8.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-109e344b7174ee05.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-227bfdf1ee27aa32.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-4b23162ca23f4d3d.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-cf934e95b7ee1052.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-08f846cffbc51446.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-83d76f16d0d5e1e5.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: 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-alpha.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=932c47e137fcb477 -C extra-filename=-932c47e137fcb477 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-f543d9f8f94fe1cb.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-d2a8f139d8946200.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8e3ab0b21978aa96.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e85f06c4f5f19e7f.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0204b2f8c2c0b354.rlib --extern proc_macro --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 `"docker" "inspect" "9f2f9a5ed743e4301bba12c2774a56734bd22f8c4d6a3ea1dd7d79e9cdf2bc7e"`
[INFO] running `"docker" "rm" "-f" "9f2f9a5ed743e4301bba12c2774a56734bd22f8c4d6a3ea1dd7d79e9cdf2bc7e"`
[INFO] [stdout] 9f2f9a5ed743e4301bba12c2774a56734bd22f8c4d6a3ea1dd7d79e9cdf2bc7e