[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] checking 1500256797/erc20_lib against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1500256797%2Ferc20_lib" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1500256797/erc20_lib on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.6.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 301bc5feaf382c0891fe97bdbd4e2b8473530199730666cb2a0e83278616557d
[INFO] running `Command { std: "docker" "start" "-a" "301bc5feaf382c0891fe97bdbd4e2b8473530199730666cb2a0e83278616557d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301bc5feaf382c0891fe97bdbd4e2b8473530199730666cb2a0e83278616557d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301bc5feaf382c0891fe97bdbd4e2b8473530199730666cb2a0e83278616557d", kill_on_drop: false }`
[INFO] [stdout] 301bc5feaf382c0891fe97bdbd4e2b8473530199730666cb2a0e83278616557d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3bdbf2dfd3734aef2fd58afa7c7572bd7aa36d8d0079c67b7e8bbeb70c1135b
[INFO] running `Command { std: "docker" "start" "-a" "f3bdbf2dfd3734aef2fd58afa7c7572bd7aa36d8d0079c67b7e8bbeb70c1135b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stderr]    Compiling serde_json v1.0.121
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[INFO] [stderr]    Compiling ethers-contract-derive v1.0.2
[INFO] [stderr]     Checking ethers-contract v1.0.2
[INFO] [stderr]     Checking ethers-solc v1.0.2
[INFO] [stderr]     Checking ethers-middleware v1.0.2
[INFO] [stderr]     Checking ethers v1.0.2
[INFO] [stderr]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `Command { std: "docker" "inspect" "f3bdbf2dfd3734aef2fd58afa7c7572bd7aa36d8d0079c67b7e8bbeb70c1135b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bdbf2dfd3734aef2fd58afa7c7572bd7aa36d8d0079c67b7e8bbeb70c1135b", kill_on_drop: false }`
[INFO] [stdout] f3bdbf2dfd3734aef2fd58afa7c7572bd7aa36d8d0079c67b7e8bbeb70c1135b
