[INFO] fetching crate ethers-middleware 0.2.2...
[INFO] building ethers-middleware-0.2.2 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate ethers-middleware 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ethers-middleware 0.2.2 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.38
[INFO] [stderr]   Downloaded ethers-providers v0.2.2
[INFO] [stderr]   Downloaded ethers-signers v0.2.2
[INFO] [stderr]   Downloaded ethers-contract-derive v0.2.2
[INFO] [stderr]   Downloaded curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]   Downloaded ethers-contract-abigen v0.2.2
[INFO] [stderr]   Downloaded ethers-contract v0.2.2
[INFO] [stderr]   Downloaded serde-aux v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", 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] 568d8ce2d5a69a459c2124138268d51a194b8ddb83de538f2525c346c9cd96a1
[INFO] running `Command { std: "docker" "start" "-a" "568d8ce2d5a69a459c2124138268d51a194b8ddb83de538f2525c346c9cd96a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568d8ce2d5a69a459c2124138268d51a194b8ddb83de538f2525c346c9cd96a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568d8ce2d5a69a459c2124138268d51a194b8ddb83de538f2525c346c9cd96a1", kill_on_drop: false }`
[INFO] [stdout] 568d8ce2d5a69a459c2124138268d51a194b8ddb83de538f2525c346c9cd96a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--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] a58fc93073340079b1351a291c8ec789ac1f50562a9d6c573d81646ffa685fc3
[INFO] running `Command { std: "docker" "start" "-a" "a58fc93073340079b1351a291c8ec789ac1f50562a9d6c573d81646ffa685fc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
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[INFO] [stderr]    Compiling elliptic-curve v0.8.5
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling pbkdf2 v0.7.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling ecdsa v0.10.2
[INFO] [stderr]    Compiling scrypt v0.6.5
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling k256 v0.7.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling parity-scale-codec v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rlp v0.5.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling impl-codec v0.5.0
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling primitive-types v0.9.0
[INFO] [stderr]    Compiling ethbloom v0.11.0
[INFO] [stderr]    Compiling eth-keystore v0.2.1
[INFO] [stderr]    Compiling serde-aux v2.2.0
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling ethereum-types v0.11.0
[INFO] [stderr]    Compiling ethabi-next v13.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling ethers-core v0.2.2
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling ethers-contract-abigen v0.2.2
[INFO] [stderr]    Compiling ethers-signers v0.2.2
[INFO] [stderr]    Compiling ethers-contract-derive v0.2.2
[INFO] [stderr]    Compiling hyper v0.14.8
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling ethers-providers v0.2.2
[INFO] [stderr]    Compiling ethers-contract v0.2.2
[INFO] [stderr]    Compiling ethers-middleware v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "a58fc93073340079b1351a291c8ec789ac1f50562a9d6c573d81646ffa685fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58fc93073340079b1351a291c8ec789ac1f50562a9d6c573d81646ffa685fc3", kill_on_drop: false }`
[INFO] [stdout] a58fc93073340079b1351a291c8ec789ac1f50562a9d6c573d81646ffa685fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69b8f377d79f7127068bb77e0315c09ef14745519e3f519075cfe8ebe5dcfb4e
[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" "69b8f377d79f7127068bb77e0315c09ef14745519e3f519075cfe8ebe5dcfb4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ethers-middleware v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `ethers_providers::Ws`
[INFO] [stdout]  --> tests/gas_escalator.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ethers_providers::{Middleware, Provider, Ws};
[INFO] [stdout]   |                                              ^^ no `Ws` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/gas_escalator.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/nonce_manager.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/signer.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> tests/transformer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::Rng;
[INFO] [stdout]    |     ^^^^ help: a similar path exists: `ethers_core::rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/transformer.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> tests/transformer.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[tokio::test]
[INFO] [stdout]     |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/gas_oracle.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/gas_oracle.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/gas_oracle.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/gas_oracle.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/gas_oracle.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[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 `rand`
[INFO] [stdout]   --> tests/transformer.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |                   ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/stack.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[tokio::test]
[INFO] [stdout]    |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/stack.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[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 `rand`
[INFO] [stdout]    --> tests/transformer.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |                   ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/gas_escalator.rs:37:52
[INFO] [stdout]    |
[INFO] [stdout] 37 |         .send_transaction(tx.clone().nonce(nonce + 1), None)
[INFO] [stdout]    |                                                    ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/gas_escalator.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     provider
[INFO] [stdout] 37 | |         .send_transaction(tx.clone().nonce(nonce + 1), None)
[INFO] [stdout] 38 | |         .await
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/gas_escalator.rs:41:52
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .send_transaction(tx.clone().nonce(nonce + 2), None)
[INFO] [stdout]    |                                                    ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/gas_escalator.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     provider
[INFO] [stdout] 41 | |         .send_transaction(tx.clone().nonce(nonce + 2), None)
[INFO] [stdout] 42 | |         .await
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[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] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "69b8f377d79f7127068bb77e0315c09ef14745519e3f519075cfe8ebe5dcfb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b8f377d79f7127068bb77e0315c09ef14745519e3f519075cfe8ebe5dcfb4e", kill_on_drop: false }`
[INFO] [stdout] 69b8f377d79f7127068bb77e0315c09ef14745519e3f519075cfe8ebe5dcfb4e
