[INFO] fetching crate ethers-signers 0.4.6...
[INFO] checking ethers-signers-0.4.6 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate ethers-signers 0.4.6 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate ethers-signers 0.4.6 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-signers 0.4.6
[INFO] finished tweaking crates.io crate ethers-signers 0.4.6
[INFO] tweaked toml for crates.io crate ethers-signers 0.4.6 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 771a5df47610323b8ecc541aef3d823363a683db94237a183c6f691b6a660651
[INFO] running `Command { std: "docker" "start" "-a" "771a5df47610323b8ecc541aef3d823363a683db94237a183c6f691b6a660651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "771a5df47610323b8ecc541aef3d823363a683db94237a183c6f691b6a660651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771a5df47610323b8ecc541aef3d823363a683db94237a183c6f691b6a660651", kill_on_drop: false }`
[INFO] [stdout] 771a5df47610323b8ecc541aef3d823363a683db94237a183c6f691b6a660651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f36246278b6bd942bffbbe5c8be2ad459304819205c8790c202435adce14e66
[INFO] running `Command { std: "docker" "start" "-a" "3f36246278b6bd942bffbbe5c8be2ad459304819205c8790c202435adce14e66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking subtle v2.4.1
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[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
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[INFO] [stderr]     Checking adler v1.0.2
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[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.3
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling rlp-derive v0.1.0
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[INFO] [stderr]     Checking signature v1.3.1
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[INFO] [stderr]     Checking zeroize v1.4.1
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[INFO] [stderr]    Compiling thiserror v1.0.26
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[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking coins-core v0.2.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking rlp v0.5.1
[INFO] [stderr]     Checking coins-bip32 v0.3.0
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking ethbloom v0.11.0
[INFO] [stderr]     Checking coins-bip39 v0.3.0
[INFO] [stderr]     Checking eth-keystore v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking yubihsm v0.39.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
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[INFO] [stderr]     Checking impl-codec v0.5.1
[INFO] [stderr]     Checking primitive-types v0.9.1
[INFO] [stderr]     Checking ethereum-types v0.11.0
[INFO] [stderr]     Checking ethabi v14.1.0
[INFO] [stderr]     Checking ethers-core v0.4.6
[INFO] [stderr]     Checking ethers-signers v0.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: The #[tokio::test] macro requires rt or rt-multi-thread.
[INFO] [stdout]    --> src/wallet/mnemonic.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `tokio::test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The #[tokio::test] macro requires rt or rt-multi-thread.
[INFO] [stdout]    --> src/wallet/mnemonic.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `tokio::test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The #[tokio::test] macro requires rt or rt-multi-thread.
[INFO] [stdout]    --> src/wallet/private_key.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `tokio::test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The #[tokio::test] macro requires rt or rt-multi-thread.
[INFO] [stdout]    --> src/wallet/private_key.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `tokio::test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The #[tokio::test] macro requires rt or rt-multi-thread.
[INFO] [stdout]    --> src/wallet/private_key.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `tokio::test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/wallet/mnemonic.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::coins_bip39::English`
[INFO] [stdout]    --> src/wallet/mnemonic.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use crate::coins_bip39::English;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]    --> src/wallet/mnemonic.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use tempfile::tempdir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/wallet/private_key.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     use std::fs;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]    --> src/wallet/private_key.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     use tempfile::tempdir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Signer`
[INFO] [stdout]    --> src/wallet/private_key.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use crate::Signer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethers-signers` due to 6 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3f36246278b6bd942bffbbe5c8be2ad459304819205c8790c202435adce14e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f36246278b6bd942bffbbe5c8be2ad459304819205c8790c202435adce14e66", kill_on_drop: false }`
[INFO] [stdout] 3f36246278b6bd942bffbbe5c8be2ad459304819205c8790c202435adce14e66