[INFO] updating cached repository polyswarm/relay
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/polyswarm/relay
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/polyswarm/relay" "work/ex/beta-1.38-1/sources/1.37.0/gh/polyswarm/relay"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/polyswarm/relay'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/polyswarm/relay" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/polyswarm/relay"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/polyswarm/relay'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa28daeed4358c5de7f57fc80584b43ef47939b5
[INFO] sha for GitHub repo polyswarm/relay: fa28daeed4358c5de7f57fc80584b43ef47939b5
[INFO] validating manifest of polyswarm/relay on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of polyswarm/relay on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing polyswarm/relay
[INFO] finished frobbing polyswarm/relay
[INFO] frobbed toml for polyswarm/relay written to work/ex/beta-1.38-1/sources/1.37.0/gh/polyswarm/relay/Cargo.toml
[INFO] started frobbing polyswarm/relay
[INFO] finished frobbing polyswarm/relay
[INFO] frobbed toml for polyswarm/relay written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/polyswarm/relay/Cargo.toml
[INFO] crate polyswarm/relay already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing polyswarm/relay against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/polyswarm/relay:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 80f569db00a9af82a6e59c8d340fcb9e4f4e3cbc8fb2c67947b39ab6e3e49eb5
[INFO] running `"docker" "start" "-a" "80f569db00a9af82a6e59c8d340fcb9e4f4e3cbc8fb2c67947b39ab6e3e49eb5"`
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[INFO] [stderr]    Compiling dir v0.1.2 (https://github.com/paritytech/parity-ethereum#1a2fc030)
[INFO] [stderr]    Compiling web3 v0.4.0 (https://github.com/polyswarm/rust-web3?branch=relay#a8788e98)
[INFO] [stderr]    Compiling ethstore v0.2.0 (https://github.com/paritytech/parity-ethereum#1a2fc030)
[INFO] [stderr]    Compiling common-types v0.1.0 (https://github.com/paritytech/parity-ethereum#1a2fc030)
[INFO] [stderr]    Compiling vm v0.1.0 (https://github.com/paritytech/parity-ethereum#1a2fc030)
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling evm v0.1.0 (https://github.com/paritytech/parity-ethereum#1a2fc030)
[INFO] [stderr]    Compiling ethcore-transaction v0.1.0 (https://github.com/paritytech/parity-ethereum#1a2fc030)
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling polyswarm-relay v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:127:59
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn status(tx: &mpsc::UnboundedSender<RequestType>) -> Box<Future<Item = HttpResponse, Error = EndpointError>> {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = EndpointError>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let request_future: Box<Future<Item = HttpResponse, Error = EndpointError>> = Box::new(
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = EndpointError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |     future: Box<Future<Item = (), Error = ()>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:305:42
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     let futures: Vec<Box<Future<Item = Option<U256>, Error = ()>>> = vec![
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<U256>, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:364:26
[INFO] [stderr]     |
[INFO] [stderr] 364 |     ExtractTransfers(Box<Future<Item = Vec<Transfer>, Error = ()>>),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<Transfer>, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:365:22
[INFO] [stderr]     |
[INFO] [stderr] 365 |     FetchReceipt(Box<Future<Item = Option<TransactionReceipt>, Error = ()>>),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<TransactionReceipt>, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:43:51
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn build(name: &str, level: Level) -> Box<Log> {
[INFO] [stderr]    |                                                   ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:86:51
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn build(name: &str, level: Level) -> Box<Log> {
[INFO] [stderr]    |                                                   ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/missed_transfer.rs:208:38
[INFO] [stderr]     |
[INFO] [stderr] 208 | pub struct HandleMissedTransfers(Box<Future<Item = (), Error = ()>>);
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/missed_transfer.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |     future: Box<Future<Item = bool, Error = ()>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/relay.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |     stream: Box<Stream<Item = I, Error = web3::Error>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = I, Error = web3::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/relay.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |         stream: Box<Stream<Item = I, Error = web3::Error>>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = I, Error = web3::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Send(Box<Future<Item = TransactionReceipt, Error = web3::error::Error>>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = TransactionReceipt, Error = web3::error::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ResyncNonce(Box<Future<Item = U256, Error = ()>>),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     gas_future: Box<Future<Item = U256, Error = ()>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/withdrawal.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |     GetWithdrawal(Box<Future<Item = Withdrawal, Error = ()>>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Withdrawal, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/withdrawal.rs:202:39
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub struct GetWithdrawalApprovals(Box<Future<Item = WithdrawalApprovals, Error = ()>>);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = WithdrawalApprovals, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 32s
[INFO] running `"docker" "inspect" "80f569db00a9af82a6e59c8d340fcb9e4f4e3cbc8fb2c67947b39ab6e3e49eb5"`
[INFO] running `"docker" "rm" "-f" "80f569db00a9af82a6e59c8d340fcb9e4f4e3cbc8fb2c67947b39ab6e3e49eb5"`
[INFO] [stdout] 80f569db00a9af82a6e59c8d340fcb9e4f4e3cbc8fb2c67947b39ab6e3e49eb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/polyswarm/relay:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cc3e75579fa761b506d5a776e98d63391a7a18b664321d15d1e2897a60ba6c6d
[INFO] running `"docker" "start" "-a" "cc3e75579fa761b506d5a776e98d63391a7a18b664321d15d1e2897a60ba6c6d"`
[INFO] [stderr]    Compiling polyswarm-relay v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:127:59
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn status(tx: &mpsc::UnboundedSender<RequestType>) -> Box<Future<Item = HttpResponse, Error = EndpointError>> {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = EndpointError>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let request_future: Box<Future<Item = HttpResponse, Error = EndpointError>> = Box::new(
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = EndpointError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |     future: Box<Future<Item = (), Error = ()>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:305:42
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     let futures: Vec<Box<Future<Item = Option<U256>, Error = ()>>> = vec![
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<U256>, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:364:26
[INFO] [stderr]     |
[INFO] [stderr] 364 |     ExtractTransfers(Box<Future<Item = Vec<Transfer>, Error = ()>>),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<Transfer>, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/endpoint.rs:365:22
[INFO] [stderr]     |
[INFO] [stderr] 365 |     FetchReceipt(Box<Future<Item = Option<TransactionReceipt>, Error = ()>>),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<TransactionReceipt>, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:43:51
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn build(name: &str, level: Level) -> Box<Log> {
[INFO] [stderr]    |                                                   ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:86:51
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn build(name: &str, level: Level) -> Box<Log> {
[INFO] [stderr]    |                                                   ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/missed_transfer.rs:208:38
[INFO] [stderr]     |
[INFO] [stderr] 208 | pub struct HandleMissedTransfers(Box<Future<Item = (), Error = ()>>);
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/missed_transfer.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |     future: Box<Future<Item = bool, Error = ()>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/relay.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |     stream: Box<Stream<Item = I, Error = web3::Error>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = I, Error = web3::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/relay.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |         stream: Box<Stream<Item = I, Error = web3::Error>>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = I, Error = web3::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Send(Box<Future<Item = TransactionReceipt, Error = web3::error::Error>>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = TransactionReceipt, Error = web3::error::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ResyncNonce(Box<Future<Item = U256, Error = ()>>),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     gas_future: Box<Future<Item = U256, Error = ()>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = U256, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/withdrawal.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |     GetWithdrawal(Box<Future<Item = Withdrawal, Error = ()>>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Withdrawal, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/withdrawal.rs:202:39
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub struct GetWithdrawalApprovals(Box<Future<Item = WithdrawalApprovals, Error = ()>>);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = WithdrawalApprovals, Error = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mock.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub type MockTask<T> = Box<Future<Item = T, Error = Error>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mock.rs:119:35
[INFO] [stderr]     |
[INFO] [stderr] 119 |     type NotificationStream = Box<Stream<Item = rpc::Value, Error = Error> + Send + 'static>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = rpc::Value, Error = Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `"docker" "inspect" "cc3e75579fa761b506d5a776e98d63391a7a18b664321d15d1e2897a60ba6c6d"`
[INFO] running `"docker" "rm" "-f" "cc3e75579fa761b506d5a776e98d63391a7a18b664321d15d1e2897a60ba6c6d"`
[INFO] [stdout] cc3e75579fa761b506d5a776e98d63391a7a18b664321d15d1e2897a60ba6c6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/polyswarm/relay:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 36c345ad6ec75e87d51cb70f1cbea807f54174f1ee23866315a12338ae193671
[INFO] running `"docker" "start" "-a" "36c345ad6ec75e87d51cb70f1cbea807f54174f1ee23866315a12338ae193671"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polyswarm_relay-0845d4025a948326
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test mock::tests::should_build_network_with_mock ... ok
[INFO] [stdout] test mock::tests::should_receive_logs_when_emited ... ok
[INFO] [stdout] test mock::tests::should_receive_header_when_emited ... ok
[INFO] [stdout] test mock::tests::should_respond_with_error_when_no_added_single_response ... ok
[INFO] [stdout] test mock::tests::should_respond_with_add_single_response ... ok
[INFO] [stdout] test mock::tests::should_respond_with_error_when_no_added_batch_response ... ok
[INFO] [stdout] test mock::tests::should_respond_normally_even_with_extra_data ... ok
[INFO] [stdout] test mock::tests::should_have_one_error_when_added_batch_too_short ... ok
[INFO] [stdout] test mock::tests::should_respond_with_result_wrapped_added_batch_response ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "36c345ad6ec75e87d51cb70f1cbea807f54174f1ee23866315a12338ae193671"`
[INFO] running `"docker" "rm" "-f" "36c345ad6ec75e87d51cb70f1cbea807f54174f1ee23866315a12338ae193671"`
[INFO] [stdout] 36c345ad6ec75e87d51cb70f1cbea807f54174f1ee23866315a12338ae193671