[INFO] fetching crate ethers-signers 0.2.0...
[INFO] checking ethers-signers-0.2.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate ethers-signers 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ethers-signers 0.2.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] [stderr]   Downloaded anomaly v0.2.0
[INFO] [stderr]   Downloaded pkcs8 v0.3.3
[INFO] [stderr]   Downloaded der v0.1.0
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded radium v0.6.2
[INFO] [stderr]   Downloaded k256 v0.7.2
[INFO] [stderr]   Downloaded parity-scale-codec v2.0.0
[INFO] [stderr]   Downloaded hidapi v1.2.5
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded ecdsa v0.10.2
[INFO] [stderr]   Downloaded ethbloom v0.11.0
[INFO] [stderr]   Downloaded impl-codec v0.5.0
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded bitvec v0.20.1
[INFO] [stderr]   Downloaded ethereum-types v0.11.0
[INFO] [stderr]   Downloaded p256 v0.7.2
[INFO] [stderr]   Downloaded signature_derive v1.0.0-pre.2
[INFO] [stderr]   Downloaded ccm v0.3.0
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded p384 v0.6.1
[INFO] [stderr]   Downloaded elliptic-curve v0.9.4
[INFO] [stderr]   Downloaded coins-ledger v0.1.0
[INFO] [stderr]   Downloaded ethabi-next v13.1.0
[INFO] [stderr]   Downloaded dbl v0.3.1
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded primitive-types v0.9.0
[INFO] [stderr]   Downloaded rusb v0.6.5
[INFO] [stderr]   Downloaded libusb1-sys v0.4.4
[INFO] [stderr]   Downloaded const-oid v0.4.3
[INFO] [stderr]   Downloaded elliptic-curve v0.8.5
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded ethers-core v0.2.1
[INFO] [stderr]   Downloaded cmac v0.5.1
[INFO] [stderr]   Downloaded harp v0.1.0
[INFO] [stderr]   Downloaded eth-keystore v0.1.0
[INFO] [stderr]   Downloaded yubihsm v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56c615af73b1f249f604a3b47a6133687643846b96c1889b28aa6940e8d7fcf3
[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" "56c615af73b1f249f604a3b47a6133687643846b96c1889b28aa6940e8d7fcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56c615af73b1f249f604a3b47a6133687643846b96c1889b28aa6940e8d7fcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c615af73b1f249f604a3b47a6133687643846b96c1889b28aa6940e8d7fcf3", kill_on_drop: false }`
[INFO] [stdout] 56c615af73b1f249f604a3b47a6133687643846b96c1889b28aa6940e8d7fcf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34f41b4e63557633718d4a7cea7fc6f96a728243a71996a11d89dcd4d8bd24dc
[INFO] running `Command { std: "docker" "start" "-a" "34f41b4e63557633718d4a7cea7fc6f96a728243a71996a11d89dcd4d8bd24dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking const-oid v0.4.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking harp v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking der v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking uint v0.9.0
[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]    Compiling libflate v1.0.3
[INFO] [stderr]     Checking pkcs8 v0.3.3
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking bitvec v0.20.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ccm v0.3.0
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking cmac v0.5.1
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking elliptic-curve v0.9.4
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libusb1-sys v0.4.4
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking addr2line v0.14.1
[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 serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking elliptic-curve v0.8.5
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking ecdsa v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking k256 v0.7.2
[INFO] [stderr]     Checking p384 v0.6.1
[INFO] [stderr]     Checking p256 v0.7.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v2.0.0
[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 v0.11.0
[INFO] [stderr]     Checking eth-keystore v0.1.0
[INFO] [stderr]     Checking yubihsm v0.37.0
[INFO] [stderr]     Checking impl-codec v0.5.0
[INFO] [stderr]     Checking primitive-types v0.9.0
[INFO] [stderr]     Checking ethereum-types v0.11.0
[INFO] [stderr]     Checking ethabi-next v13.1.0
[INFO] [stderr]     Checking ethers-core v0.2.1
[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" "34f41b4e63557633718d4a7cea7fc6f96a728243a71996a11d89dcd4d8bd24dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f41b4e63557633718d4a7cea7fc6f96a728243a71996a11d89dcd4d8bd24dc", kill_on_drop: false }`
[INFO] [stdout] 34f41b4e63557633718d4a7cea7fc6f96a728243a71996a11d89dcd4d8bd24dc