[INFO] fetching crate ibc-relayer-cli 0.1.1...
[INFO] checking ibc-relayer-cli-0.1.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate ibc-relayer-cli 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ibc-relayer-cli 0.1.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibc-relayer-cli 0.1.1
[INFO] finished tweaking crates.io crate ibc-relayer-cli 0.1.1
[INFO] tweaked toml for crates.io crate ibc-relayer-cli 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ibc-relayer-cli 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded color-backtrace v0.3.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded abscissa_derive v0.5.0
[INFO] [stderr]   Downloaded abscissa_core v0.5.2
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded contracts v0.4.0
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded tendermint v0.18.1
[INFO] [stderr]   Downloaded bitcoin v0.21.0
[INFO] [stderr]   Downloaded bitcoin-wallet v1.1.0
[INFO] [stderr]   Downloaded const-oid v0.4.1
[INFO] [stderr]   Downloaded tendermint-rpc v0.18.1
[INFO] [stderr]   Downloaded async-tungstenite v0.12.0
[INFO] [stderr]   Downloaded ics23 v0.6.0
[INFO] [stderr]   Downloaded ibc-proto v0.7.1
[INFO] [stderr]   Downloaded ibc-relayer v0.1.1
[INFO] [stderr]   Downloaded ibc v0.1.1
[INFO] [stderr]   Downloaded tendermint-light-client v0.18.1
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2987b630f269b9f4f8e99a168746bda43e776ef0da8bc61f50e5270d5aa9fa58
[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" "2987b630f269b9f4f8e99a168746bda43e776ef0da8bc61f50e5270d5aa9fa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2987b630f269b9f4f8e99a168746bda43e776ef0da8bc61f50e5270d5aa9fa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2987b630f269b9f4f8e99a168746bda43e776ef0da8bc61f50e5270d5aa9fa58", kill_on_drop: false }`
[INFO] [stdout] 2987b630f269b9f4f8e99a168746bda43e776ef0da8bc61f50e5270d5aa9fa58
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e702ad8e75dda9f8135ff3c5fa71ed3d8defcd38cf4f1d07769f71c51d7428b8
[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" "e702ad8e75dda9f8135ff3c5fa71ed3d8defcd38cf4f1d07769f71c51d7428b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.2
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[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking const-oid v0.4.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
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[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking bech32 v0.8.0
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling ibc-relayer-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking der v0.1.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking pkcs8 v0.3.3
[INFO] [stderr]     Checking mio v0.7.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking retry v1.2.0
[INFO] [stderr]     Checking bitcoin v0.26.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking hdpath v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[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 embed-bitcode=no -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=198343d164400c19 -C extra-filename=-198343d164400c19 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-03632dd09ca25027.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-fa2c25a6b244a2f2.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-2b7e1d0d910ba857.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-863c41a19aeffee0.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" "e702ad8e75dda9f8135ff3c5fa71ed3d8defcd38cf4f1d07769f71c51d7428b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e702ad8e75dda9f8135ff3c5fa71ed3d8defcd38cf4f1d07769f71c51d7428b8", kill_on_drop: false }`
[INFO] [stdout] e702ad8e75dda9f8135ff3c5fa71ed3d8defcd38cf4f1d07769f71c51d7428b8