[INFO] crate bitfinex 0.4.0 is already in cache
[INFO] checking bitfinex-0.4.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate bitfinex 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitfinex 0.4.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bitfinex 0.4.0
[INFO] finished tweaking crates.io crate bitfinex 0.4.0
[INFO] tweaked toml for crates.io crate bitfinex 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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=forbid" "-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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16d15b6b879816a9717e2f45390ecb2bf7aaa2fae4f8aff497f1180e17ab8a3e
[INFO] running `"docker" "start" "-a" "16d15b6b879816a9717e2f45390ecb2bf7aaa2fae4f8aff497f1180e17ab8a3e"`
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking bitfinex v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/book.rs:38:74
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn funding_currency<S>(&self, symbol: S, precision: S) -> Result<(Vec<FundingCurrency>)>
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/book.rs:49:70
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn trading_pair<S>(&self, symbol: S, precision: S) -> Result<(Vec<TradingPair>)>
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/client.rs:25:68
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get(&self, endpoint: String, request: String) -> Result<(String)> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/client.rs:36:75
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn post_signed(&self, request: String, payload: String) -> Result<(String)> {
[INFO] [stderr]    |                                                                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/client.rs:64:57
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn handler(&self, mut response: Response) -> Result<(String)> {
[INFO] [stderr]    |                                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ticker.rs:48:60
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn funding_currency<S>(&self, symbol: S) -> Result<(FundingCurrency)>
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ticker.rs:59:56
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn trading_pair<S>(&self, symbol: S) -> Result<(TradingPair)>
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:49:60
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn funding_currency<S>(&self, symbol: S) -> Result<(Vec<FundingCurrency>)>
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:60:56
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn trading_pair<S>(&self, symbol: S) -> Result<(Vec<TradingPair>)>
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn history<S>(&self, symbol: S) -> Result<(Vec<Trade>)>
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:81:75
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn generated_by_order<S>(&self, symbol: S, order_id: S) -> Result<(Vec<Trade>)>
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:90:63
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn trades<S>(&self, request: S, payload: S) -> Result<(Vec<Trade>)>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/orders.rs:60:43
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn active_orders(&self) -> Result<(Vec<Order>)> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/orders.rs:66:51
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn history<T>(&self, symbol: T) -> Result<(Vec<Order>)>
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/orders.rs:80:63
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn orders<S>(&self, request: S, payload: S) -> Result<(Vec<Order>)>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/candles.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn last<S>(&self, symbol: S, timeframe: S) -> Result<(Candle)>
[INFO] [stderr]    |                                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/candles.rs:38:65
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn history<S>(&self, symbol: S, timeframe: S) -> Result<(Vec<Candle>)>
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/account.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn get_wallets(&self) -> Result<(Vec<Wallet>)> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/account.rs:88:41
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn margin_base(&self) -> Result<(MarginBase)>
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/account.rs:99:54
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn margin_symbol<S>(&self, key: S) -> Result<(MarginSymbol)> 
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/account.rs:112:53
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn funding_info<S>(&self, key: S) -> Result<(FundingInfo)> 
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ledger.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ) -> Result<(Vec<Entry>)>
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/websockets.rs:44:31
[INFO] [stderr]    |
[INFO] [stderr] 44 |     event_handler: Option<Box<EventHandler>>, 
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/book.rs:38:74
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn funding_currency<S>(&self, symbol: S, precision: S) -> Result<(Vec<FundingCurrency>)>
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/book.rs:49:70
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn trading_pair<S>(&self, symbol: S, precision: S) -> Result<(Vec<TradingPair>)>
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/client.rs:25:68
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get(&self, endpoint: String, request: String) -> Result<(String)> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/client.rs:36:75
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn post_signed(&self, request: String, payload: String) -> Result<(String)> {
[INFO] [stderr]    |                                                                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/client.rs:64:57
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn handler(&self, mut response: Response) -> Result<(String)> {
[INFO] [stderr]    |                                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ticker.rs:48:60
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn funding_currency<S>(&self, symbol: S) -> Result<(FundingCurrency)>
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ticker.rs:59:56
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn trading_pair<S>(&self, symbol: S) -> Result<(TradingPair)>
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:49:60
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn funding_currency<S>(&self, symbol: S) -> Result<(Vec<FundingCurrency>)>
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:60:56
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn trading_pair<S>(&self, symbol: S) -> Result<(Vec<TradingPair>)>
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn history<S>(&self, symbol: S) -> Result<(Vec<Trade>)>
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:81:75
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn generated_by_order<S>(&self, symbol: S, order_id: S) -> Result<(Vec<Trade>)>
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/trades.rs:90:63
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn trades<S>(&self, request: S, payload: S) -> Result<(Vec<Trade>)>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/orders.rs:60:43
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn active_orders(&self) -> Result<(Vec<Order>)> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/orders.rs:66:51
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn history<T>(&self, symbol: T) -> Result<(Vec<Order>)>
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/orders.rs:80:63
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn orders<S>(&self, request: S, payload: S) -> Result<(Vec<Order>)>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/candles.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn last<S>(&self, symbol: S, timeframe: S) -> Result<(Candle)>
[INFO] [stderr]    |                                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/candles.rs:38:65
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn history<S>(&self, symbol: S, timeframe: S) -> Result<(Vec<Candle>)>
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/account.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn get_wallets(&self) -> Result<(Vec<Wallet>)> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/account.rs:88:41
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn margin_base(&self) -> Result<(MarginBase)>
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/account.rs:99:54
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn margin_symbol<S>(&self, key: S) -> Result<(MarginSymbol)> 
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/account.rs:112:53
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn funding_info<S>(&self, key: S) -> Result<(FundingInfo)> 
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ledger.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ) -> Result<(Vec<Entry>)>
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/websockets.rs:44:31
[INFO] [stderr]    |
[INFO] [stderr] 44 |     event_handler: Option<Box<EventHandler>>, 
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `"docker" "inspect" "16d15b6b879816a9717e2f45390ecb2bf7aaa2fae4f8aff497f1180e17ab8a3e"`
[INFO] running `"docker" "rm" "-f" "16d15b6b879816a9717e2f45390ecb2bf7aaa2fae4f8aff497f1180e17ab8a3e"`
[INFO] [stdout] 16d15b6b879816a9717e2f45390ecb2bf7aaa2fae4f8aff497f1180e17ab8a3e