[INFO] cloning repository https://github.com/webb-tools/relayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/webb-tools/relayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebb-tools%2Frelayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebb-tools%2Frelayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e29f3aebeb49c17b70cfb68ccf930ea7b6127305
[INFO] checking webb-tools/relayer against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebb-tools%2Frelayer" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
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[INFO] validating manifest of git repo https://github.com/webb-tools/relayer on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-114/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-114/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/webb-tools/relayer
[INFO] finished tweaking git repo https://github.com/webb-tools/relayer
[INFO] tweaked toml for git repo https://github.com/webb-tools/relayer written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/webb-tools/relayer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/webb-tools/webb-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] [stderr]   Downloaded pkcs8 v0.7.6
[INFO] [stderr]   Downloaded ecdsa v0.12.4
[INFO] [stderr]   Downloaded ff v0.10.1
[INFO] [stderr]   Downloaded base58check v0.1.0
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded base64ct v1.1.0
[INFO] [stderr]   Downloaded ethers-contract v0.5.2
[INFO] [stderr]   Downloaded ws_stream_wasm v0.7.3
[INFO] [stderr]   Downloaded ark-snark v0.3.0
[INFO] [stderr]   Downloaded ark-bn254 v0.3.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.3.1
[INFO] [stderr]   Downloaded eth-keystore v0.3.0
[INFO] [stderr]   Downloaded k256 v0.9.6
[INFO] [stderr]   Downloaded coins-bip32 v0.3.0
[INFO] [stderr]   Downloaded scrypt v0.7.0
[INFO] [stderr]   Downloaded async_io_stream v0.3.2
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.5
[INFO] [stderr]   Downloaded coins-bip39 v0.3.0
[INFO] [stderr]   Downloaded const-oid v0.6.1
[INFO] [stderr]   Downloaded group v0.10.0
[INFO] [stderr]   Downloaded rfc7239 v0.1.0
[INFO] [stderr]   Downloaded serde-aux v2.3.0
[INFO] [stderr]   Downloaded tracing-test-macro v0.1.0
[INFO] [stderr]   Downloaded ethers-contract-derive v0.5.2
[INFO] [stderr]   Downloaded ethers-signers v0.5.2
[INFO] [stderr]   Downloaded ethers-middleware v0.5.2
[INFO] [stderr]   Downloaded ethers-providers v0.5.3
[INFO] [stderr]   Downloaded ethers-contract-abigen v0.5.2
[INFO] [stderr]   Downloaded ethers-core v0.5.3
[INFO] [stderr]   Downloaded ethers v0.5.2
[INFO] [stderr]   Downloaded elliptic-curve v0.10.6
[INFO] [stderr]   Downloaded ark-nonnative-field v0.3.0
[INFO] [stderr]   Downloaded ark-ff v0.3.0
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.3.0
[INFO] [stderr]   Downloaded tracing-test v0.1.0
[INFO] [stderr]   Downloaded spki v0.4.1
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[INFO] [stderr]   Downloaded pharos v0.5.2
[INFO] [stderr]   Downloaded ark-ed-on-bn254 v0.3.0
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[INFO] [stderr]   Downloaded der v0.4.3
[INFO] [stderr]   Downloaded crypto-bigint v0.2.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d26adcd4eed256be412d19198deb1c7c7718d43cf85c99a9c968f64de12874
[INFO] running `Command { std: "docker" "start" "-a" "a1d26adcd4eed256be412d19198deb1c7c7718d43cf85c99a9c968f64de12874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d26adcd4eed256be412d19198deb1c7c7718d43cf85c99a9c968f64de12874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d26adcd4eed256be412d19198deb1c7c7718d43cf85c99a9c968f64de12874", kill_on_drop: false }`
[INFO] [stdout] a1d26adcd4eed256be412d19198deb1c7c7718d43cf85c99a9c968f64de12874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5acc539ffcab2b403187f925b7a65d99105719c60489abce31e741d8e5f8466
[INFO] running `Command { std: "docker" "start" "-a" "d5acc539ffcab2b403187f925b7a65d99105719c60489abce31e741d8e5f8466", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling const-oid v0.6.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling byte-slice-cast v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling base64ct v1.1.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.29/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="nightly"' --cfg 'feature="proc-macro"' -C metadata=374dd8ba55a08587 -C extra-filename=-374dd8ba55a08587 --out-dir /opt/rustwide/target/debug/build/proc-macro2-374dd8ba55a08587 -L dependency=/opt/rustwide/target/debug/deps --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" "d5acc539ffcab2b403187f925b7a65d99105719c60489abce31e741d8e5f8466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5acc539ffcab2b403187f925b7a65d99105719c60489abce31e741d8e5f8466", kill_on_drop: false }`
[INFO] [stdout] d5acc539ffcab2b403187f925b7a65d99105719c60489abce31e741d8e5f8466