[INFO] crate sc-offchain 2.0.0-rc4 is already in cache
[INFO] checking sc-offchain-2.0.0-rc4 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate sc-offchain 2.0.0-rc4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sc-offchain 2.0.0-rc4 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-offchain 2.0.0-rc4
[INFO] finished tweaking crates.io crate sc-offchain 2.0.0-rc4
[INFO] tweaked toml for crates.io crate sc-offchain 2.0.0-rc4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b770e50eb2601802b131165a135b56a2f29c8f99d6977103ed9c3331d1e0d0a7
[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" "b770e50eb2601802b131165a135b56a2f29c8f99d6977103ed9c3331d1e0d0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b770e50eb2601802b131165a135b56a2f29c8f99d6977103ed9c3331d1e0d0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b770e50eb2601802b131165a135b56a2f29c8f99d6977103ed9c3331d1e0d0a7", kill_on_drop: false }`
[INFO] [stdout] b770e50eb2601802b131165a135b56a2f29c8f99d6977103ed9c3331d1e0d0a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d734dc1774b56e2c6878d2477d24780e86c8357820ba95e471b4da99e75a90f8
[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" "d734dc1774b56e2c6878d2477d24780e86c8357820ba95e471b4da99e75a90f8", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking prometheus v0.8.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking wasm-bindgen v0.2.64
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking js-sys v0.3.41
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stderr]    Compiling libp2p-kad v0.19.0
[INFO] [stderr]    Compiling libp2p-identify v0.19.2
[INFO] [stderr]    Compiling libp2p-noise v0.19.1
[INFO] [stderr]    Compiling sc-network v0.8.0-rc4
[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=577fcc5c7a554d37 -C extra-filename=-577fcc5c7a554d37 --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-ef3fb4b5ac02065e.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" "d734dc1774b56e2c6878d2477d24780e86c8357820ba95e471b4da99e75a90f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d734dc1774b56e2c6878d2477d24780e86c8357820ba95e471b4da99e75a90f8", kill_on_drop: false }`
[INFO] [stdout] d734dc1774b56e2c6878d2477d24780e86c8357820ba95e471b4da99e75a90f8