[INFO] cloning repository polyswarm/relay
[INFO] running `"git" "clone" "--bare" "git://github.com/polyswarm/relay.git" "work/cache/sources/gh/polyswarm/relay"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/polyswarm/relay'...
[INFO] running `"git" "clone" "work/cache/sources/gh/polyswarm/relay" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/polyswarm/relay"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/polyswarm/relay'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/polyswarm/relay" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polyswarm/relay"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polyswarm/relay'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b32469b3118532316021ffbe8aeb36c6b57abcb
[INFO] sha for GitHub repo polyswarm/relay: 1b32469b3118532316021ffbe8aeb36c6b57abcb
[INFO] validating manifest of polyswarm/relay on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of polyswarm/relay on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polyswarm/relay/Cargo.toml
[INFO] crate polyswarm/relay already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/polyswarm/consul-rust`
[INFO] [stderr]     Updating git repository `https://github.com/polyswarm/rust-web3`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-wordlist v1.2.1
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[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking polyswarm/relay against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/polyswarm/relay:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a919b6759b07d76ec4ba231ed283abd442a5824587eb783a385ce03d19eb1180
[INFO] running `"docker" "start" "-a" "a919b6759b07d76ec4ba231ed283abd442a5824587eb783a385ce03d19eb1180"`
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[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] 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 2m 01s
[INFO] running `"docker" "inspect" "a919b6759b07d76ec4ba231ed283abd442a5824587eb783a385ce03d19eb1180"`
[INFO] running `"docker" "rm" "-f" "a919b6759b07d76ec4ba231ed283abd442a5824587eb783a385ce03d19eb1180"`
[INFO] [stdout] a919b6759b07d76ec4ba231ed283abd442a5824587eb783a385ce03d19eb1180