[INFO] fetching crate sc-rpc 2.0.0-alpha.7...
[INFO] checking sc-rpc-2.0.0-alpha.7 against try#96b3c169cd2d8959926fa240f10342f1659f8ae3 for pr-71896
[INFO] extracting crate sc-rpc 2.0.0-alpha.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sc-rpc 2.0.0-alpha.7 on toolchain 96b3c169cd2d8959926fa240f10342f1659f8ae3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-rpc 2.0.0-alpha.7
[INFO] finished tweaking crates.io crate sc-rpc 2.0.0-alpha.7
[INFO] tweaked toml for crates.io crate sc-rpc 2.0.0-alpha.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "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] caa702dc726a33350fcf8b73ba5ff630fa9f7f4c8afc9b60ec8dbd0ab56816e8
[INFO] running `"docker" "start" "-a" "caa702dc726a33350fcf8b73ba5ff630fa9f7f4c8afc9b60ec8dbd0ab56816e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling libp2p-core-derive v0.18.0
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-alpha.7
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking ref-cast v1.0.1
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking pin-project v0.4.13
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.62
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking prometheus v0.8.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.62
[INFO] [stderr] error: could not compile `impl-trait-for-tuples`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name impl_trait_for_tuples --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/impl-trait-for-tuples-0.1.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=f86f2bf017179ce8 -C extra-filename=-f86f2bf017179ce8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fcf5ba8fbee74fc4.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e9f1d8dcb6764b3b.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c7d157c5261631c0.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: 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=0e9bc0413bbc60b3 -C extra-filename=-0e9bc0413bbc60b3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-e446b166dcfd8782.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-0a9da74cf9c7eb9b.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-2c1ca2f42eeb6304.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-481da6cbdef228f6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9a23dcd98ad3374d.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-b3d371d023cf7379.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-f52b41cbc3139a77.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-419f22d6ef46313b.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 `"docker" "inspect" "caa702dc726a33350fcf8b73ba5ff630fa9f7f4c8afc9b60ec8dbd0ab56816e8"`
[INFO] running `"docker" "rm" "-f" "caa702dc726a33350fcf8b73ba5ff630fa9f7f4c8afc9b60ec8dbd0ab56816e8"`
[INFO] [stdout] caa702dc726a33350fcf8b73ba5ff630fa9f7f4c8afc9b60ec8dbd0ab56816e8