[INFO] fetching crate arpa-core 0.3.0-alpha.3...
[INFO] checking arpa-core-0.3.0-alpha.3 against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] extracting crate arpa-core 0.3.0-alpha.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate arpa-core 0.3.0-alpha.3 on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arpa-core 0.3.0-alpha.3
[INFO] finished tweaking crates.io crate arpa-core 0.3.0-alpha.3
[INFO] tweaked toml for crates.io crate arpa-core 0.3.0-alpha.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate arpa-core 0.3.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-bn254 v0.3.0
[INFO] [stderr]   Downloaded unsafe-any-ors v1.0.0
[INFO] [stderr]   Downloaded log4rs v1.3.0
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.13
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.13
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.13
[INFO] [stderr]   Downloaded ethers-contract v2.0.13
[INFO] [stderr]   Downloaded ethers-core v2.0.13
[INFO] [stderr]   Downloaded ethers-middleware v2.0.13
[INFO] [stderr]   Downloaded ethers-providers v2.0.13
[INFO] [stderr]   Downloaded toml_edit v0.22.12
[INFO] [stderr]   Downloaded syn v2.0.63
[INFO] [stderr]   Downloaded enr v0.9.1
[INFO] [stderr]   Downloaded ethers-signers v2.0.13
[INFO] [stderr]   Downloaded ark-ec v0.3.0
[INFO] [stderr]   Downloaded hkdf v0.8.0
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded destructure_traitobject v0.2.0
[INFO] [stderr]   Downloaded typemap-ors v1.0.0
[INFO] [stderr]   Downloaded thread-id v4.2.1
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] [stderr]   Downloaded threshold-bls v0.3.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 668eea21c21c60c526d07aee56af4ac1dce801979d23c7ff75f4fd948d19c799
[INFO] running `Command { std: "docker" "start" "-a" "668eea21c21c60c526d07aee56af4ac1dce801979d23c7ff75f4fd948d19c799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "668eea21c21c60c526d07aee56af4ac1dce801979d23c7ff75f4fd948d19c799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668eea21c21c60c526d07aee56af4ac1dce801979d23c7ff75f4fd948d19c799", kill_on_drop: false }`
[INFO] [stdout] 668eea21c21c60c526d07aee56af4ac1dce801979d23c7ff75f4fd948d19c799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9430a053a7c69537ec2ef25a6609423f0b758a4f4a120fe7bf03fa7b5ca2ef
[INFO] running `Command { std: "docker" "start" "-a" "8b9430a053a7c69537ec2ef25a6609423f0b758a4f4a120fe7bf03fa7b5ca2ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.154
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[INFO] [stderr]     Checking subtle v2.4.1
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[INFO] [stderr]    Compiling thiserror v1.0.60
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
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[INFO] [stderr]    Compiling semver v1.0.23
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[INFO] [stderr]    Compiling anyhow v1.0.83
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[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
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[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling auto_impl v1.2.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
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[INFO] [stderr]    Compiling semver-parser v0.10.2
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[INFO] [stderr]    Compiling ethers-contract-derive v2.0.13
[INFO] [stderr]     Checking ethers-contract v2.0.13
[INFO] [stderr]     Checking ethers-middleware v2.0.13
[INFO] [stderr]     Checking arpa-core v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "8b9430a053a7c69537ec2ef25a6609423f0b758a4f4a120fe7bf03fa7b5ca2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9430a053a7c69537ec2ef25a6609423f0b758a4f4a120fe7bf03fa7b5ca2ef", kill_on_drop: false }`
[INFO] [stdout] 8b9430a053a7c69537ec2ef25a6609423f0b758a4f4a120fe7bf03fa7b5ca2ef