[INFO] fetching crate ethers-core 2.0.11...
[INFO] checking ethers-core-2.0.11 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate ethers-core 2.0.11 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ethers-core 2.0.11 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-core 2.0.11
[INFO] finished tweaking crates.io crate ethers-core 2.0.11
[INFO] tweaked toml for crates.io crate ethers-core 2.0.11 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.18.1
[INFO] [stderr]   Downloaded k256 v0.13.3
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded const-hex v1.11.3
[INFO] [stderr]   Downloaded proptest v1.4.0
[INFO] [stderr]   Downloaded hex-literal v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7941d09916cf99c45d707825c08fee56e236b90ca4d81dc3e0dc4caa986f5896
[INFO] running `Command { std: "docker" "start" "-a" "7941d09916cf99c45d707825c08fee56e236b90ca4d81dc3e0dc4caa986f5896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7941d09916cf99c45d707825c08fee56e236b90ca4d81dc3e0dc4caa986f5896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7941d09916cf99c45d707825c08fee56e236b90ca4d81dc3e0dc4caa986f5896", kill_on_drop: false }`
[INFO] [stdout] 7941d09916cf99c45d707825c08fee56e236b90ca4d81dc3e0dc4caa986f5896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96f64b29dae7237ec15c7a7651e8aad611a7ffb8e9d620ffaaaa03c7921d623d
[INFO] running `Command { std: "docker" "start" "-a" "96f64b29dae7237ec15c7a7651e8aad611a7ffb8e9d620ffaaaa03c7921d623d", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking zeroize v1.7.0
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[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
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[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
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[INFO] [stderr]     Checking rlp v0.5.2
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[INFO] [stderr]     Checking num_enum v0.7.2
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[INFO] [stderr]     Checking ethereum-types v0.14.1
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[INFO] [stderr]     Checking ethabi v18.0.0
[INFO] [stderr]     Checking ethers-core v2.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/types/../../testdata/proof.json: No such file or directory (os error 2)
[INFO] [stdout]   --> src/types/proof.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |         serde_json::from_str::<EIP1186ProofResponse>(include_str!("../../testdata/proof.json"))
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/abi/../../../ethers-contract/tests/solidity-contracts/verifier_abi.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/abi/raw.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             include_str!("../../../ethers-contract/tests/solidity-contracts/verifier_abi.json");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/abi/../../../ethers-contract/tests/solidity-contracts/verifier_abi_hardhat.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/abi/raw.rs:288:36
[INFO] [stdout]     |
[INFO] [stdout] 288 |           const VERIFIER_ABI: &str = include_str!(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 289 | |             "../../../ethers-contract/tests/solidity-contracts/verifier_abi_hardhat.json"
[INFO] [stdout] 290 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/abi/../../../ethers-contract/tests/solidity-contracts/verifier_abi_hardhat.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/abi/raw.rs:328:27
[INFO] [stdout]     |
[INFO] [stdout] 328 |           let hh_artifact = include_str!(
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 329 | |             "../../../ethers-contract/tests/solidity-contracts/verifier_abi_hardhat.json"
[INFO] [stdout] 330 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/abi/../../../ethers-contract/tests/solidity-contracts/greeter.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/abi/raw.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |             include_str!("../../../ethers-contract/tests/solidity-contracts/greeter.json");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/abi/../../testdata/solc-obj.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/abi/raw.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let artifact = include_str!("../../testdata/solc-obj.json");
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/types/transaction/eip712.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/types/signature.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{convert::TryFrom, fmt, str::FromStr};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/types/chain.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/types/chain.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/types/serde_helpers.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/types/serde_helpers.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/utils/units.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{convert::TryFrom, fmt, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/utils/mod.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     convert::{TryFrom, TryInto},
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/utils/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     convert::{TryFrom, TryInto},
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/request.rs:356:64
[INFO] [stdout]     |
[INFO] [stdout] 355 |     use super::*;
[INFO] [stdout]     |         -------- the item `Bytes` is already imported here
[INFO] [stdout] 356 |     use crate::types::{transaction::eip2718::TypedTransaction, Bytes, NameOrAddress, Signature};
[INFO] [stdout]     |                                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NameOrAddress` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/request.rs:356:71
[INFO] [stdout]     |
[INFO] [stdout] 355 |     use super::*;
[INFO] [stdout]     |         -------- the item `NameOrAddress` is already imported here
[INFO] [stdout] 356 |     use crate::types::{transaction::eip2718::TypedTransaction, Bytes, NameOrAddress, Signature};
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Signature` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/request.rs:356:86
[INFO] [stdout]     |
[INFO] [stdout] 355 |     use super::*;
[INFO] [stdout]     |         -------- the item `Signature` is already imported here
[INFO] [stdout] 356 |     use crate::types::{transaction::eip2718::TypedTransaction, Bytes, NameOrAddress, Signature};
[INFO] [stdout]     |                                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Decodable` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/request.rs:357:15
[INFO] [stdout]     |
[INFO] [stdout] 355 |     use super::*;
[INFO] [stdout]     |         -------- the item `Decodable` is already imported here
[INFO] [stdout] 356 |     use crate::types::{transaction::eip2718::TypedTransaction, Bytes, NameOrAddress, Signature};
[INFO] [stdout] 357 |     use rlp::{Decodable, Rlp};
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Decodable` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/eip2718.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |     use rlp::Decodable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 662 |
[INFO] [stdout] 663 |     use super::*;
[INFO] [stdout]     |         -------- the item `Decodable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/eip2718.rs:664:24
[INFO] [stdout]     |
[INFO] [stdout] 663 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] 664 |     use crate::types::{Address, U256};
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U256` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/eip2718.rs:664:33
[INFO] [stdout]     |
[INFO] [stdout] 663 |     use super::*;
[INFO] [stdout]     |         -------- the item `U256` is already imported here
[INFO] [stdout] 664 |     use crate::types::{Address, U256};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypedTransaction` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/eip2930.rs:195:24
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use super::*;
[INFO] [stdout]     |         -------- the item `TypedTransaction` is already imported here
[INFO] [stdout] 195 |     use crate::types::{transaction::eip2718::TypedTransaction, U256};
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U256` is imported redundantly
[INFO] [stdout]    --> src/types/transaction/eip2930.rs:195:64
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use super::*;
[INFO] [stdout]     |         -------- the item `U256` is already imported here
[INFO] [stdout] 195 |     use crate::types::{transaction::eip2718::TypedTransaction, U256};
[INFO] [stdout]     |                                                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/types/transaction/eip712.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Tokenizable` is imported redundantly
[INFO] [stdout]     --> src/types/i256.rs:1621:9
[INFO] [stdout]      |
[INFO] [stdout] 1620 |     use super::*;
[INFO] [stdout]      |         -------- the item `Tokenizable` is already imported here
[INFO] [stdout] 1621 |     use crate::abi::Tokenizable;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Transaction` is imported redundantly
[INFO] [stdout]    --> src/types/block.rs:714:24
[INFO] [stdout]     |
[INFO] [stdout] 713 |     use super::*;
[INFO] [stdout]     |         -------- the item `Transaction` is already imported here
[INFO] [stdout] 714 |     use crate::types::{Transaction, TxHash};
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TxHash` is imported redundantly
[INFO] [stdout]    --> src/types/block.rs:714:37
[INFO] [stdout]     |
[INFO] [stdout] 713 |     use super::*;
[INFO] [stdout]     |         -------- the item `TxHash` is already imported here
[INFO] [stdout] 714 |     use crate::types::{Transaction, TxHash};
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/types/signature.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{convert::TryFrom, fmt, str::FromStr};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/types/chain.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/types/chain.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/types/serde_helpers.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/types/serde_helpers.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U256` is imported redundantly
[INFO] [stdout]    --> src/types/serde_helpers.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |     use super::*;
[INFO] [stdout]     |         -------- the item `U256` is already imported here
[INFO] [stdout] 300 |     use crate::types::U256;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/abi/tokens.rs:459:24
[INFO] [stdout]     |
[INFO] [stdout] 458 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] 459 |     use crate::types::{Address, U256};
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U256` is imported redundantly
[INFO] [stdout]    --> src/abi/tokens.rs:459:33
[INFO] [stdout]     |
[INFO] [stdout] 458 |     use super::*;
[INFO] [stdout]     |         -------- the item `U256` is already imported here
[INFO] [stdout] 459 |     use crate::types::{Address, U256};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Token` is imported redundantly
[INFO] [stdout]    --> src/abi/tokens.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |     use super::*;
[INFO] [stdout]     |         -------- the item `Token` is already imported here
[INFO] [stdout] 459 |     use crate::types::{Address, U256};
[INFO] [stdout] 460 |     use ethabi::Token;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AbiArrayType` is imported redundantly
[INFO] [stdout]    --> src/abi/codec.rs:188:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     use super::*;
[INFO] [stdout]     |         -------- the item `AbiArrayType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 188 |     use crate::abi::{AbiArrayType, TokenizableItem};
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenizableItem` is imported redundantly
[INFO] [stdout]    --> src/abi/codec.rs:188:36
[INFO] [stdout]     |
[INFO] [stdout] 185 |     use super::*;
[INFO] [stdout]     |         -------- the item `TokenizableItem` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 188 |     use crate::abi::{AbiArrayType, TokenizableItem};
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/utils/units.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{convert::TryFrom, fmt, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/utils/mod.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     convert::{TryFrom, TryInto},
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/utils/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     convert::{TryFrom, TryInto},
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethers-core` (lib test) due to 7 previous errors; 27 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "96f64b29dae7237ec15c7a7651e8aad611a7ffb8e9d620ffaaaa03c7921d623d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f64b29dae7237ec15c7a7651e8aad611a7ffb8e9d620ffaaaa03c7921d623d", kill_on_drop: false }`
[INFO] [stdout] 96f64b29dae7237ec15c7a7651e8aad611a7ffb8e9d620ffaaaa03c7921d623d
