[INFO] fetching crate ethers-signers 0.2.0...
[INFO] checking ethers-signers-0.2.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate ethers-signers 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ethers-signers 0.2.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-signers 0.2.0
[INFO] finished tweaking crates.io crate ethers-signers 0.2.0
[INFO] tweaked toml for crates.io crate ethers-signers 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23f134afc8e42261747eb2ec93c5d0c9bbee91117bdeeb70b8f698fb900dd136
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23f134afc8e42261747eb2ec93c5d0c9bbee91117bdeeb70b8f698fb900dd136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23f134afc8e42261747eb2ec93c5d0c9bbee91117bdeeb70b8f698fb900dd136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f134afc8e42261747eb2ec93c5d0c9bbee91117bdeeb70b8f698fb900dd136", kill_on_drop: false }`
[INFO] [stdout] 23f134afc8e42261747eb2ec93c5d0c9bbee91117bdeeb70b8f698fb900dd136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e76f67920b5932ac0e6792d3e9cadcf6da33713a759230a837701b73ca58b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86e76f67920b5932ac0e6792d3e9cadcf6da33713a759230a837701b73ca58b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking const-oid v0.4.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking harp v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking der v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking pkcs8 v0.3.3
[INFO] [stderr]    Compiling libflate v1.0.3
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking dbl v0.3.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking ccm v0.3.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking cmac v0.5.1
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling libusb1-sys v0.4.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking anomaly v0.2.0
[INFO] [stderr]     Checking rusb v0.6.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking elliptic-curve v0.8.4
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking ecdsa v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking k256 v0.7.2
[INFO] [stderr]     Checking p384 v0.6.1
[INFO] [stderr]     Checking p256 v0.7.2
[INFO] [stderr]     Checking serde v1.0.120
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking ethbloom v0.10.0
[INFO] [stderr]     Checking eth-keystore v0.1.0
[INFO] [stderr]     Checking yubihsm v0.37.0
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.8.0
[INFO] [stderr]     Checking ethereum-types v0.10.0
[INFO] [stderr]     Checking ethabi-next v13.0.0
[INFO] [stderr]     Checking ethers-core v0.2.0
[INFO] [stderr]     Checking ethers-signers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The #[tokio::test] macro requires rt or rt-multi-thread.
[INFO] [stdout]    --> src/wallet/private_key.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in an attribute macro (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:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in an attribute macro (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:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     #[tokio::test]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/wallet/private_key.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use std::fs;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]    --> src/wallet/private_key.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use tempfile::tempdir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Signer`
[INFO] [stdout]    --> src/wallet/private_key.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::Signer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethers-signers`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "86e76f67920b5932ac0e6792d3e9cadcf6da33713a759230a837701b73ca58b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e76f67920b5932ac0e6792d3e9cadcf6da33713a759230a837701b73ca58b1", kill_on_drop: false }`
[INFO] [stdout] 86e76f67920b5932ac0e6792d3e9cadcf6da33713a759230a837701b73ca58b1