[INFO] cloning repository https://github.com/1500256797/erc20_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1500256797/erc20_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1500256797%2Ferc20_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1500256797%2Ferc20_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 937718abfc4be6942c4b782e45080b018b22c2c2
[INFO] building 1500256797/erc20_lib against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1500256797%2Ferc20_lib" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1500256797/erc20_lib on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1500256797/erc20_lib
[INFO] finished tweaking git repo https://github.com/1500256797/erc20_lib
[INFO] tweaked toml for git repo https://github.com/1500256797/erc20_lib written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/1500256797/erc20_lib 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc99603aa8a70f7d0836cb47c0b8c8710bbbb91befca1851ccff5aa824055b1b
[INFO] running `Command { std: "docker" "start" "-a" "dc99603aa8a70f7d0836cb47c0b8c8710bbbb91befca1851ccff5aa824055b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc99603aa8a70f7d0836cb47c0b8c8710bbbb91befca1851ccff5aa824055b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc99603aa8a70f7d0836cb47c0b8c8710bbbb91befca1851ccff5aa824055b1b", kill_on_drop: false }`
[INFO] [stdout] dc99603aa8a70f7d0836cb47c0b8c8710bbbb91befca1851ccff5aa824055b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5733d12ef370fcb20dbf9979c4c1f2ac4dc70d41cec586e32a714deb97d040
[INFO] running `Command { std: "docker" "start" "-a" "bf5733d12ef370fcb20dbf9979c4c1f2ac4dc70d41cec586e32a714deb97d040", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling coins-core v0.7.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling scale-info v2.11.3
[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling coins-bip32 v0.7.0
[INFO] [stderr]    Compiling rlp v0.5.2
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling open-fastrlp-derive v0.1.1
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling cargo_metadata v0.15.4
[INFO] [stderr]    Compiling primitive-types v0.12.2
[INFO] [stderr]    Compiling ethbloom v0.13.0
[INFO] [stderr]    Compiling coins-bip39 v0.7.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling tungstenite v0.17.3
[INFO] [stderr]    Compiling serde-aux v4.5.0
[INFO] [stderr]    Compiling eth-keystore v0.5.0
[INFO] [stderr]    Compiling ethereum-types v0.14.1
[INFO] [stderr]    Compiling open-fastrlp v0.1.4
[INFO] [stderr]    Compiling ethabi v18.0.0
[INFO] [stderr]    Compiling ethers-core v1.0.2
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling solang-parser v0.1.18
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
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[INFO] [stderr]    Compiling hyper v0.14.30
[INFO] [stderr]    Compiling ethers-signers v1.0.2
[INFO] [stderr]    Compiling ethers-addressbook v1.0.2
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling ethers-contract-abigen v1.0.2
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling ethers-contract-derive v1.0.2
[INFO] [stderr]    Compiling ethers-providers v1.0.2
[INFO] [stderr]    Compiling svm-rs v0.2.23
[INFO] [stderr]    Compiling ethers-etherscan v1.0.2
[INFO] [stderr]    Compiling ethers-contract v1.0.2
[INFO] [stderr]    Compiling ethers-solc v1.0.2
[INFO] [stderr]    Compiling ethers-middleware v1.0.2
[INFO] [stderr]    Compiling ethers v1.0.2
[INFO] [stderr]    Compiling erc20_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "bf5733d12ef370fcb20dbf9979c4c1f2ac4dc70d41cec586e32a714deb97d040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5733d12ef370fcb20dbf9979c4c1f2ac4dc70d41cec586e32a714deb97d040", kill_on_drop: false }`
[INFO] [stdout] bf5733d12ef370fcb20dbf9979c4c1f2ac4dc70d41cec586e32a714deb97d040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b8af611cbd3de3c30b98602e7108b0d56a72a312d05d011e25b421b6a8158e
[INFO] running `Command { std: "docker" "start" "-a" "10b8af611cbd3de3c30b98602e7108b0d56a72a312d05d011e25b421b6a8158e", kill_on_drop: false }`
[INFO] [stderr]    Compiling erc20_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | /         get_erc20_token_top_holders_balance(
[INFO] [stdout] 81 | |             contract_address,
[INFO] [stdout] 82 | |             from_block,
[INFO] [stdout] 83 | |             to_block,
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |         .await;
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _ = get_erc20_token_top_holders_balance(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "10b8af611cbd3de3c30b98602e7108b0d56a72a312d05d011e25b421b6a8158e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b8af611cbd3de3c30b98602e7108b0d56a72a312d05d011e25b421b6a8158e", kill_on_drop: false }`
[INFO] [stdout] 10b8af611cbd3de3c30b98602e7108b0d56a72a312d05d011e25b421b6a8158e