[INFO] updating cached repository https://github.com/bifrost-codes/substrate-rpc-client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/bifrost-codes/substrate-rpc-client
[INFO] [stderr]    6465990..36612f1  develop    -> develop
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1cd17fbd9cfb3f80d1100abed3be1a35d9e8e7e
[INFO] checking bifrost-codes/substrate-rpc-client against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbifrost-codes%2Fsubstrate-rpc-client" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bifrost-codes/substrate-rpc-client on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bifrost-codes/substrate-rpc-client
[INFO] finished tweaking git repo https://github.com/bifrost-codes/substrate-rpc-client
[INFO] tweaked toml for git repo https://github.com/bifrost-codes/substrate-rpc-client written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bifrost-codes/substrate-rpc-client already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 32f09714009e3080a300d5390f25d155dfecbd91cf35435869679865ed82a48f
[INFO] running `"docker" "start" "-a" "32f09714009e3080a300d5390f25d155dfecbd91cf35435869679865ed82a48f"`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking sr-std v2.0.0 (https://github.com/paritytech/substrate?rev=605852eaa414ddae0bb12bb4974b9cba24ccf7db#605852ea)
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking environmental v1.0.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking bitcoin_hashes v0.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling secp256k1 v0.15.3 (https://github.com/bifrost-codes/rust-secp256k1#9c756f7e)
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking tracing-core v0.1.7
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]     Checking uint v0.8.1
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.39
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling substrate-debug-derive v2.0.0 (https://github.com/paritytech/substrate?rev=605852eaa414ddae0bb12bb4974b9cba24ccf7db#605852ea)
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0 (https://github.com/paritytech/substrate?rev=605852eaa414ddae0bb12bb4974b9cba24ccf7db#605852ea)
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling eosio-core-derive v0.2.1 (https://github.com/bifrost-codes/rust-eos?branch=use-rust-secp256k1#ab1b387e)
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking safe-mix v1.0.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking substrate-panic-handler v2.0.0 (https://github.com/paritytech/substrate?rev=605852eaa414ddae0bb12bb4974b9cba24ccf7db#605852ea)
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking merlin v1.2.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.1
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking once_cell v0.1.8
[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=554eb1e10005dbf7 -C extra-filename=-554eb1e10005dbf7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5b87c27662088799.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c48fa406f4174f61.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-276eb66e37b793ba.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 `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=a11843541c304cc7 -C extra-filename=-a11843541c304cc7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-d39c0f6e9dbcac68.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-3b11e3dab09559a5.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-8fe20bec70f4bdd9.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-3c5c0df0fea2dc7e.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" "32f09714009e3080a300d5390f25d155dfecbd91cf35435869679865ed82a48f"`
[INFO] running `"docker" "rm" "-f" "32f09714009e3080a300d5390f25d155dfecbd91cf35435869679865ed82a48f"`
[INFO] [stdout] 32f09714009e3080a300d5390f25d155dfecbd91cf35435869679865ed82a48f