[INFO] cloning repository https://github.com/nullren/vanityeth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nullren/vanityeth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnullren%2Fvanityeth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnullren%2Fvanityeth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fa1cf3f86145d9e5c260bf60d5bde8aa4230063
[INFO] checking nullren/vanityeth against master#cb40c25f6aebb637163d26bf76a680ed6e5d1eda for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnullren%2Fvanityeth" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nullren/vanityeth
[INFO] finished tweaking git repo https://github.com/nullren/vanityeth
[INFO] tweaked toml for git repo https://github.com/nullren/vanityeth written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nullren/vanityeth on toolchain cb40c25f6aebb637163d26bf76a680ed6e5d1eda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nullren/vanityeth 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" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "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 ...
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[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
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[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cca20cced7de2230af04db5bf62cb8a568b77a2c3a709887148638ca64da2679
[INFO] running `Command { std: "docker" "start" "-a" "cca20cced7de2230af04db5bf62cb8a568b77a2c3a709887148638ca64da2679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca20cced7de2230af04db5bf62cb8a568b77a2c3a709887148638ca64da2679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca20cced7de2230af04db5bf62cb8a568b77a2c3a709887148638ca64da2679", kill_on_drop: false }`
[INFO] [stdout] cca20cced7de2230af04db5bf62cb8a568b77a2c3a709887148638ca64da2679
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3780138b4f7467ea8c6869e7676fb3ef26c71d4cfa5b3fa1ca69ca87c6b2fea
[INFO] running `Command { std: "docker" "start" "-a" "f3780138b4f7467ea8c6869e7676fb3ef26c71d4cfa5b3fa1ca69ca87c6b2fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_json v1.0.82
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[INFO] [stderr]    Compiling futures-channel v0.3.21
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[INFO] [stderr]     Checking getrandom v0.2.7
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[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking itoa v1.0.2
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[INFO] [stderr]     Checking crypto-common v0.1.6
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking digest v0.10.3
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustls v0.20.6
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[INFO] [stderr]    Compiling rust_decimal v1.25.0
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[INFO] [stderr]     Checking elliptic-curve v0.12.2
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[INFO] [stderr]    Compiling radium v0.7.0
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[INFO] [stderr]    Compiling funty v2.0.0
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[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling auto_impl v1.0.1
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking convert_case v0.5.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking base58check v0.1.0
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking rlp v0.5.1
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking ethbloom v0.12.1
[INFO] [stderr]    Compiling fastrlp-derive v0.1.1
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]     Checking ripemd v0.1.1
[INFO] [stderr]     Checking blake2 v0.10.4
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking parity-scale-codec v3.1.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking coins-core v0.7.0
[INFO] [stderr]     Checking impl-codec v0.6.0
[INFO] [stderr]     Checking primitive-types v0.11.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking salsa20 v0.9.0
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking ethereum-types v0.13.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fastrlp v0.1.2
[INFO] [stderr]     Checking ethabi v17.1.0
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking coins-bip32 v0.7.0
[INFO] [stderr]     Checking hashers v1.0.1
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking scrypt v0.8.1
[INFO] [stderr]     Checking ethers-core v0.14.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking eth-keystore v0.4.1
[INFO] [stderr]     Checking serde-aux v3.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-locks v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking coins-bip39 v0.7.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking ethers-signers v0.14.0
[INFO] [stderr]     Checking ethers-addressbook v0.14.0
[INFO] [stderr]     Checking ethers-contract-abigen v0.14.0
[INFO] [stderr]     Checking ethers-providers v0.14.0
[INFO] [stderr]     Checking ethers-etherscan v0.14.0
[INFO] [stderr]    Compiling ethers-contract-derive v0.14.0
[INFO] [stderr]     Checking ethers-contract v0.14.0
[INFO] [stderr]     Checking ethers-middleware v0.14.0
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use ethers_core::abi;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use ethers_core::abi::ParamType;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use ethers_core::abi::Token;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use ethers_core::abi::Tokenizable;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use ethers_core::types;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ethers` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethers-middleware-0.14.0/src/transformer/ds_proxy/factory.rs:114:52
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
[INFO] [stdout]     |                                                    ^^^^^^^^ use of unresolved module or unlinked crate `ethers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ethers`, use `cargo add ethers` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `EthEvent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use std::error::Error;
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use std::fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use std::io::Error;
[INFO] [stdout]     |
[INFO] [stdout]  35 +     use core::error::Error;
[INFO] [stdout]     |
[INFO] [stdout]     = and 10 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethers-middleware` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "f3780138b4f7467ea8c6869e7676fb3ef26c71d4cfa5b3fa1ca69ca87c6b2fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3780138b4f7467ea8c6869e7676fb3ef26c71d4cfa5b3fa1ca69ca87c6b2fea", kill_on_drop: false }`
[INFO] [stdout] f3780138b4f7467ea8c6869e7676fb3ef26c71d4cfa5b3fa1ca69ca87c6b2fea
