[INFO] cloning repository https://github.com/fstnetwork/relayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fstnetwork/relayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffstnetwork%2Frelayer", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c843c995c39eb42c24c4bbe03e077f44f885f8b8
[INFO] checking fstnetwork/relayer against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffstnetwork%2Frelayer" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fstnetwork/relayer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] removed /workspace/builds/worker-75/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fstnetwork/relayer
[INFO] finished tweaking git repo https://github.com/fstnetwork/relayer
[INFO] tweaked toml for git repo https://github.com/fstnetwork/relayer written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/fstnetwork/relayer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking ethstore v0.2.0 (https://github.com/paritytech/parity-ethereum#81b76984)
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[INFO] [stderr]     Checking common-types v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
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[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking traits v0.1.0 (/opt/rustwide/workdir/core/traits)
[INFO] [stderr]     Checking contract-abi v0.1.0 (/opt/rustwide/workdir/core/contract_abi)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = AccountState, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = H256, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthRpcTransaction>, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = EthTransactionConfirmation, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/machine.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Address) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = AccountState, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = H256, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthRpcTransaction>, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = EthTransactionConfirmation, Error = Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/machine.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Address) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pool v0.1.0 (/opt/rustwide/workdir/core/pool)
[INFO] [stderr]     Checking pricer v0.1.0 (/opt/rustwide/workdir/core/pricer)
[INFO] [stderr]     Checking network v0.1.0 (/opt/rustwide/workdir/core/network)
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> core/contract_abi/src/abi_encoder/dispatcher/fst_dispatcher.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let requests: Vec<SignedRequest> = IntoIterator::into_iter([0u32; 10])
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking collation v0.1.0 (/opt/rustwide/workdir/core/collation)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> core/network/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> core/network/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pool/src/service.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pool/src/service.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> core/pool/src/tests.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = Self::PricerError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> core/pricer/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     mode: PriceServiceMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> core/pricer/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     mode: PriceServiceMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/pool/src/filter.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn new() -> DummyAddressFilter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/pool/src/queue.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new() -> RequestQueue<R, S> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ethereum`
[INFO] [stdout]   --> core/pool/src/service.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ethereum: Arc<Mutex<E>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]   --> core/pool/src/service.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     network: Arc<Mutex<N>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/pool/src/filter.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn new() -> DummyAddressFilter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/pool/src/queue.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new() -> RequestQueue<R, S> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ethereum`
[INFO] [stdout]   --> core/pool/src/service.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ethereum: Arc<Mutex<E>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]   --> core/pool/src/service.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     network: Arc<Mutex<N>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ethereum v0.1.0 (/opt/rustwide/workdir/core/ethereum)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/ethereum/src/client/client.rs:472:25
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::LowerHex`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/ethereum/src/client/client.rs:472:25
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::LowerHex`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `task`
[INFO] [stdout]    --> core/ethereum/src/monitor/poller.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn task(&self) -> &EthereumMonitorTask {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/ethereum/src/monitor/service.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 117 |             None => panic!("watcher {:?} does not exist", watcher_id),
[INFO] [stdout]     |                           --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `task`
[INFO] [stdout]    --> core/ethereum/src/monitor/poller.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn task(&self) -> &EthereumMonitorTask {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/ethereum/src/monitor/service.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 117 |             None => panic!("watcher {:?} does not exist", watcher_id),
[INFO] [stdout]     |                           --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking machine v0.1.0 (/opt/rustwide/workdir/core/machine)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Preparation, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:101:26
[INFO] [stdout]     |
[INFO] [stdout] 101 | type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = H256, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ClosedCollation, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:274:31
[INFO] [stdout]     |
[INFO] [stdout] 274 |         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Info, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/service.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Preparation, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:101:26
[INFO] [stdout]     |
[INFO] [stdout] 101 | type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = H256, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ClosedCollation, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:274:31
[INFO] [stdout]     |
[INFO] [stdout] 274 |         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Info, Error = Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/service.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `event_sender`
[INFO] [stdout]    --> core/machine/src/machine.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn event_sender(&self) -> mpsc::UnboundedSender<RelayerEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_keypair`
[INFO] [stdout]    --> core/machine/src/machine.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn change_keypair(&mut self, keypair: KeyPair) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_dispatcher`
[INFO] [stdout]    --> core/machine/src/machine.rs:404:12
[INFO] [stdout]     |
[INFO] [stdout] 404 |     pub fn change_dispatcher(&mut self, dispatcher: RequestDispatcher<C>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionQueue`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct TransactionQueue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionQueueInner`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TransactionQueueInner {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new() -> TransactionQueue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new() -> TransactionQueueInner {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_nonce`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn current_nonce(&self) -> U256 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn push(&mut self, tx: SignedTransaction) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_by_nonce`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn remove_by_nonce(&mut self, nonce: &U256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_by_hash`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn remove_by_hash(&mut self, hash: &H256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `event_sender`
[INFO] [stdout]    --> core/machine/src/machine.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn event_sender(&self) -> mpsc::UnboundedSender<RelayerEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_keypair`
[INFO] [stdout]    --> core/machine/src/machine.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn change_keypair(&mut self, keypair: KeyPair) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_dispatcher`
[INFO] [stdout]    --> core/machine/src/machine.rs:404:12
[INFO] [stdout]     |
[INFO] [stdout] 404 |     pub fn change_dispatcher(&mut self, dispatcher: RequestDispatcher<C>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionQueue`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct TransactionQueue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionQueueInner`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TransactionQueueInner {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new() -> TransactionQueue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new() -> TransactionQueueInner {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_nonce`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn current_nonce(&self) -> U256 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn push(&mut self, tx: SignedTransaction) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_by_nonce`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn remove_by_nonce(&mut self, nonce: &U256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_by_hash`
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn remove_by_hash(&mut self, hash: &H256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fst-relayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn add_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                         ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn remove_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn add_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fn remove_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |         fn set_interval(&self, u64) -> Result<u64>;
[INFO] [stdout]    |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn is_delegate_enable(&self, Address) -> BoxFuture<bool>;
[INFO] [stdout]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:30
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:37
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |         fn send_token_transfer_request(&self, types::RelayerRpcRequest) -> BoxFuture<H256>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: types::RelayerRpcRequest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn send_token_transfer_requests(&self, Vec<types::RelayerRpcRequest>) -> BoxFuture<Vec<H256>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<types::RelayerRpcRequest>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as PriceServiceError`
[INFO] [stdout]   --> relayer/src/service/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | use pricer::{Error as PriceServiceError, PriceService, PriceServiceMode};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:417:32
[INFO] [stdout]     |
[INFO] [stdout] 21  | use std::path::PathBuf;
[INFO] [stdout]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 417 |     use std::path::{Component, PathBuf};
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitReason, Error = ()> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitReason, Error = ()> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn add_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                         ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn remove_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn add_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fn remove_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |         fn set_interval(&self, u64) -> Result<u64>;
[INFO] [stdout]    |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn is_delegate_enable(&self, Address) -> BoxFuture<bool>;
[INFO] [stdout]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:30
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:37
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |         fn send_token_transfer_request(&self, types::RelayerRpcRequest) -> BoxFuture<H256>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: types::RelayerRpcRequest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn send_token_transfer_requests(&self, Vec<types::RelayerRpcRequest>) -> BoxFuture<Vec<H256>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<types::RelayerRpcRequest>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as PriceServiceError`
[INFO] [stdout]   --> relayer/src/service/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | use pricer::{Error as PriceServiceError, PriceService, PriceServiceMode};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:417:32
[INFO] [stdout]     |
[INFO] [stdout] 21  | use std::path::PathBuf;
[INFO] [stdout]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 417 |     use std::path::{Component, PathBuf};
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitReason, Error = ()> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ExitReason, Error = ()> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `websocket_config`
[INFO] [stdout]    --> relayer/src/jsonrpc/service.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     websocket_config,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ help: try ignoring the field: `websocket_config: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `websocket_config`
[INFO] [stdout]    --> relayer/src/jsonrpc/service.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     websocket_config,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ help: try ignoring the field: `websocket_config: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let (sender, mut receiver) = mpsc::unbounded::<()>();
[INFO] [stdout]     |                          ----^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut token_filter = params.allow_tokens.into_iter().fold(
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let (sender, mut receiver) = mpsc::unbounded::<()>();
[INFO] [stdout]     |                          ----^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut token_filter = params.allow_tokens.into_iter().fold(
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let mut key_file_content = read_file(keyfile_path)?;
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let mut key_file_content = read_file(keyfile_path)?;
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_all`
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn new_all() -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_all`
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn new_all() -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_apis`
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn with_apis(apis: HashSet<Api>) -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ethereum_service`
[INFO] [stdout]   --> relayer/src/service/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ethereum_service: Arc<Mutex<EthereumService>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_apis`
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn with_apis(apis: HashSet<Api>) -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ethereum_service`
[INFO] [stdout]   --> relayer/src/service/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ethereum_service: Arc<Mutex<EthereumService>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "6abd85ea71e83b56b19ea3c187164b4be24a2a4e32bfb1f3e76cf29e414112a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abd85ea71e83b56b19ea3c187164b4be24a2a4e32bfb1f3e76cf29e414112a9", kill_on_drop: false }`
[INFO] [stdout] 6abd85ea71e83b56b19ea3c187164b4be24a2a4e32bfb1f3e76cf29e414112a9
