[INFO] updating cached repository https://github.com/evgeniy-scherbina/rust-electrumx-client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbdc42557fec2b13df02630a0229f8d3096a3576
[INFO] testing evgeniy-scherbina/rust-electrumx-client against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevgeniy-scherbina%2Frust-electrumx-client" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evgeniy-scherbina/rust-electrumx-client on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/evgeniy-scherbina/rust-electrumx-client
[INFO] finished tweaking git repo https://github.com/evgeniy-scherbina/rust-electrumx-client
[INFO] tweaked toml for git repo https://github.com/evgeniy-scherbina/rust-electrumx-client written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/evgeniy-scherbina/rust-electrumx-client already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b84fb4364f1f3619f57292568f55456bcbeb83db55803658b297f209c7d6a54e
[INFO] running `"docker" "start" "-a" "b84fb4364f1f3619f57292568f55456bcbeb83db55803658b297f209c7d6a54e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling bech32 v0.6.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling bitcoin-bech32 v0.9.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling bitcoin v0.18.0
[INFO] [stderr]    Compiling electrumx_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:23:73
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/electrumx_client.rs:31:111
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>> {
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:43:66
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:69:82
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:99:91
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:110:64
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:119:79
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:128:103
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:142:97
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:154:110
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:166:68
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:183:56
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn call(&mut self, req: Request) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interface.rs:8:73
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:19:111
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>>;
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:36:77
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>>;
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:44:82
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:45:66
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:47:91
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:48:64
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:50:103
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:51:97
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:52:110
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:53:68
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.24s
[INFO] running `"docker" "inspect" "b84fb4364f1f3619f57292568f55456bcbeb83db55803658b297f209c7d6a54e"`
[INFO] running `"docker" "rm" "-f" "b84fb4364f1f3619f57292568f55456bcbeb83db55803658b297f209c7d6a54e"`
[INFO] [stdout] b84fb4364f1f3619f57292568f55456bcbeb83db55803658b297f209c7d6a54e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 867826ee5b90708d661987f7b116c2b1bede3ae12a484150520c41b713b96e3b
[INFO] running `"docker" "start" "-a" "867826ee5b90708d661987f7b116c2b1bede3ae12a484150520c41b713b96e3b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling electrumx_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:23:73
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/electrumx_client.rs:31:111
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>> {
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:43:66
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:69:82
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:99:91
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:110:64
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:119:79
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:128:103
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:142:97
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:154:110
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:166:68
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:183:56
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn call(&mut self, req: Request) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interface.rs:8:73
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:19:111
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>>;
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:36:77
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>>;
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:44:82
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:45:66
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:47:91
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:48:64
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:50:103
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:51:97
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:52:110
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:53:68
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:23:73
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/electrumx_client.rs:31:111
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>> {
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:43:66
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:69:82
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:99:91
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:110:64
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:119:79
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:128:103
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:142:97
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:154:110
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:166:68
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:183:56
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn call(&mut self, req: Request) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interface.rs:8:73
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:19:111
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>>;
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:36:77
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>>;
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:44:82
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:45:66
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:47:91
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:48:64
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:50:103
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:51:97
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:52:110
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:53:68
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "867826ee5b90708d661987f7b116c2b1bede3ae12a484150520c41b713b96e3b"`
[INFO] running `"docker" "rm" "-f" "867826ee5b90708d661987f7b116c2b1bede3ae12a484150520c41b713b96e3b"`
[INFO] [stdout] 867826ee5b90708d661987f7b116c2b1bede3ae12a484150520c41b713b96e3b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 676c06bcb48666450603ca2a4513a55dea74ddfc7fd32ba3a2dd8609573d63ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "676c06bcb48666450603ca2a4513a55dea74ddfc7fd32ba3a2dd8609573d63ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:23:73
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/electrumx_client.rs:31:111
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>> {
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:43:66
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:69:82
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:99:91
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:110:64
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:119:79
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:128:103
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:142:97
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:154:110
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:23:73
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/electrumx_client.rs:31:111
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>> {
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:43:66
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:166:68
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:183:56
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn call(&mut self, req: Request) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interface.rs:8:73
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:69:82
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:19:111
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>>;
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:36:77
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>>;
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:44:82
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:45:66
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/electrumx_client.rs:99:91
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>> {
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:110:64
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:119:79
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:47:91
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:48:64
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:128:103
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:142:97
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:154:110
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:50:103
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:51:97
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:166:68
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/electrumx_client.rs:183:56
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn call(&mut self, req: Request) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interface.rs:8:73
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn get_block_header(&mut self, height: usize) -> Result<String, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:52:110
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:53:68
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:19:111
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn get_block_headers(&mut self, start_height: usize, count: usize) -> Result<GetBlockHeadersResponse, Box<Error>>;
[INFO] [stderr]    |                                                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn estimate_fee(&mut self, number: usize) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn relay_fee(&mut self) -> Result<f64, Box<Error>>;
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:36:77
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_balance(&mut self, addr: &str) -> Result<GetBalanceResponse, Box<Error>>;
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:44:82
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_history(&mut self, addr: &str) -> Result<Vec<GetHistoryResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:45:66
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get_mempool(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn history(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:47:91
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_list_unspent(&mut self, addr: &str) -> Result<Vec<GetListUnspentResponse>, Box<Error>>;
[INFO] [stderr]    |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:48:64
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_utxos(&mut self, addr: &str) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn broadcast_transaction(&mut self, raw_tx: String) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:50:103
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn get_transaction(&mut self, tx_hash: String, verbose: bool, merkle: bool) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:51:97
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_merkle_transaction(&mut self, tx_hash: String, height: usize) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:52:110
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn transaction_id_from_pos(&mut self, height: usize, tx_pos: usize, merkle: bool) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interface.rs:53:68
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_fee_histogram_mempool(&mut self) -> Result<Vec<u8>, Box<Error>>;
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/electrumx_client-7b9c5ae67e2b63ca
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/electrumx_client-f58530956ddaa7f2
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests electrumx_client
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "676c06bcb48666450603ca2a4513a55dea74ddfc7fd32ba3a2dd8609573d63ac"`
[INFO] running `"docker" "rm" "-f" "676c06bcb48666450603ca2a4513a55dea74ddfc7fd32ba3a2dd8609573d63ac"`
[INFO] [stdout] 676c06bcb48666450603ca2a4513a55dea74ddfc7fd32ba3a2dd8609573d63ac