[INFO] updating cached repository https://github.com/evgeniy-scherbina/rust-electrumx-client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevgeniy-scherbina%2Frust-electrumx-client" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evgeniy-scherbina/rust-electrumx-client on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-2/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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 212c0281f6e728880c1b1a50ea0a4c4ea68dfecc6ad8f38f333f31f78ea30244
[INFO] running `"docker" "start" "-a" "212c0281f6e728880c1b1a50ea0a4c4ea68dfecc6ad8f38f333f31f78ea30244"`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling bech32 v0.6.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling bitcoin-bech32 v0.9.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[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]     Finished dev [unoptimized + debuginfo] target(s) in 26.59s
[INFO] running `"docker" "inspect" "212c0281f6e728880c1b1a50ea0a4c4ea68dfecc6ad8f38f333f31f78ea30244"`
[INFO] running `"docker" "rm" "-f" "212c0281f6e728880c1b1a50ea0a4c4ea68dfecc6ad8f38f333f31f78ea30244"`
[INFO] [stdout] 212c0281f6e728880c1b1a50ea0a4c4ea68dfecc6ad8f38f333f31f78ea30244
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a1a51701f265fa4363f3c0b5d6a7ed14100847d952bbb7a247d7b864623dea8a
[INFO] running `"docker" "start" "-a" "a1a51701f265fa4363f3c0b5d6a7ed14100847d952bbb7a247d7b864623dea8a"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "a1a51701f265fa4363f3c0b5d6a7ed14100847d952bbb7a247d7b864623dea8a"`
[INFO] running `"docker" "rm" "-f" "a1a51701f265fa4363f3c0b5d6a7ed14100847d952bbb7a247d7b864623dea8a"`
[INFO] [stdout] a1a51701f265fa4363f3c0b5d6a7ed14100847d952bbb7a247d7b864623dea8a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 05117752246d379df268012ccde7c9a210eadb8eb0d615ebd15dbd72b298d748
[INFO] running `"docker" "start" "-a" "05117752246d379df268012ccde7c9a210eadb8eb0d615ebd15dbd72b298d748"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/electrumx_client-ee87264a36ccbeb9
[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] [stderr]      Running /opt/rustwide/target/debug/deps/electrumx_client-a8d81ccd17a396e0
[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] [stderr]    Doc-tests electrumx_client
[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" "05117752246d379df268012ccde7c9a210eadb8eb0d615ebd15dbd72b298d748"`
[INFO] running `"docker" "rm" "-f" "05117752246d379df268012ccde7c9a210eadb8eb0d615ebd15dbd72b298d748"`
[INFO] [stdout] 05117752246d379df268012ccde7c9a210eadb8eb0d615ebd15dbd72b298d748