[INFO] fetching crate ethers-middleware 0.2.2...
[INFO] checking ethers-middleware-0.2.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ethers-middleware 0.2.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ethers-middleware 0.2.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-middleware 0.2.2
[INFO] finished tweaking crates.io crate ethers-middleware 0.2.2
[INFO] tweaked toml for crates.io crate ethers-middleware 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers-contract-abigen v0.2.2
[INFO] [stderr]   Downloaded ethers-contract v0.2.2
[INFO] [stderr]   Downloaded ethers-providers v0.2.2
[INFO] [stderr]   Downloaded ethers-contract-derive v0.2.2
[INFO] [stderr]   Downloaded ethers-signers v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76023a00c314899cf4f6f268a23aa30189702446e52360ad4cbbc63d45c3dc2f
[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" "76023a00c314899cf4f6f268a23aa30189702446e52360ad4cbbc63d45c3dc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76023a00c314899cf4f6f268a23aa30189702446e52360ad4cbbc63d45c3dc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76023a00c314899cf4f6f268a23aa30189702446e52360ad4cbbc63d45c3dc2f", kill_on_drop: false }`
[INFO] [stdout] 76023a00c314899cf4f6f268a23aa30189702446e52360ad4cbbc63d45c3dc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d051779569ec22d4026bbffeef0bc7617035205e83e5799ccfc2838e82d140
[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" "27d051779569ec22d4026bbffeef0bc7617035205e83e5799ccfc2838e82d140", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling curl v0.4.36
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking base64ct v1.0.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking password-hash v0.1.3
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling bitvec v0.18.5
[INFO] [stderr]    Compiling elliptic-curve v0.9.6
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking pbkdf2 v0.7.5
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking scrypt v0.6.5
[INFO] [stderr]     Checking syn v1.0.69
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]    Compiling ff v0.8.0
[INFO] [stderr]    Compiling group v0.8.0
[INFO] [stderr]    Compiling elliptic-curve v0.8.5
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling ecdsa v0.10.2
[INFO] [stderr]    Compiling k256 v0.7.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking tokio v1.5.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking impl-codec v0.5.0
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking ethbloom v0.11.0
[INFO] [stderr]     Checking primitive-types v0.9.0
[INFO] [stderr]     Checking eth-keystore v0.2.1
[INFO] [stderr]     Checking serde-aux v2.2.0
[INFO] [stderr]     Checking ethereum-types v0.11.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking ethabi-next v13.3.0
[INFO] [stderr]     Checking ethers-core v0.2.2
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking ethers-contract-abigen v0.2.2
[INFO] [stderr]     Checking ethers-signers v0.2.2
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]    Compiling ethers-contract-derive v0.2.2
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking ethers-providers v0.2.2
[INFO] [stderr]     Checking ethers-contract v0.2.2
[INFO] [stderr]     Checking ethers-middleware v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ethers`
[INFO] [stdout]    --> src/signer.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     use ethers::{providers::Provider, signers::LocalWallet};
[INFO] [stdout]     |         ^^^^^^ use of undeclared crate or module `ethers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/signer.rs:306:14
[INFO] [stdout]     |
[INFO] [stdout] 306 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hex`
[INFO] [stdout]    --> src/signer.rs:342:40
[INFO] [stdout]     |
[INFO] [stdout] 342 | ...   let expected_rlp = Bytes::from(hex::decode("f869808504e3b29200831e848094f0109fc8df283027b6285cc889f5aa624eac1f55843b9aca008025a0c9c...
[INFO] [stdout]     |                                      ^^^ use of undeclared crate or module `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Provider`
[INFO] [stdout]    --> src/signer.rs:326:24
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let provider = Provider::try_from("http://localhost:8545").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 302 |     use ethers_providers::Provider;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `LocalWallet` in this scope
[INFO] [stdout]    --> src/signer.rs:328:22
[INFO] [stdout]     |
[INFO] [stdout] 328 |             .parse::<LocalWallet>()
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 302 |     use ethers_signers::LocalWallet;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]    --> src/signer.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     use std::convert::TryFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethers-middleware`
[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" "27d051779569ec22d4026bbffeef0bc7617035205e83e5799ccfc2838e82d140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d051779569ec22d4026bbffeef0bc7617035205e83e5799ccfc2838e82d140", kill_on_drop: false }`
[INFO] [stdout] 27d051779569ec22d4026bbffeef0bc7617035205e83e5799ccfc2838e82d140