[INFO] updating cached repository https://github.com/iqlusioninc/ethereum_hsm_signer
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 981c05e3ad2dcbe10880a71aa0237d54060a6169
[INFO] checking iqlusioninc/ethereum_hsm_signer against master#0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf for pr-71814
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiqlusioninc%2Fethereum_hsm_signer" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iqlusioninc/ethereum_hsm_signer on toolchain 0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iqlusioninc/ethereum_hsm_signer
[INFO] finished tweaking git repo https://github.com/iqlusioninc/ethereum_hsm_signer
[INFO] tweaked toml for git repo https://github.com/iqlusioninc/ethereum_hsm_signer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/iqlusioninc/ethereum_hsm_signer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "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] d588699f3e0152dc66c7a719f1e3d1e3ba97311c6c4a8f6409da017cb032d0e5
[INFO] running `"docker" "start" "-a" "d588699f3e0152dc66c7a719f1e3d1e3ba97311c6c4a8f6409da017cb032d0e5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking harp v0.1.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking generational-arena v0.2.7
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking dbl v0.2.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]     Checking anomaly v0.2.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.1
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr] error: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=b35b37a49f0a115d -C extra-filename=-b35b37a49f0a115d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-5eb3a865ee06cdd3.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-0847ce0ad4911a0f.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-df1497346bdc7d4a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2124143f2b03c0ea.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-90f4ba5d5cc63d09.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-955ab8bd60825012.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 `tracing-attributes`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.7/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=4577342514cb4d11 -C extra-filename=-4577342514cb4d11 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-2124143f2b03c0ea.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-955ab8bd60825012.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" "d588699f3e0152dc66c7a719f1e3d1e3ba97311c6c4a8f6409da017cb032d0e5"`
[INFO] running `"docker" "rm" "-f" "d588699f3e0152dc66c7a719f1e3d1e3ba97311c6c4a8f6409da017cb032d0e5"`
[INFO] [stdout] d588699f3e0152dc66c7a719f1e3d1e3ba97311c6c4a8f6409da017cb032d0e5