[INFO] crate kiteconnect 0.2.4 is already in cache
[INFO] extracting crate kiteconnect 0.2.4 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/kiteconnect/0.2.4
[INFO] extracting crate kiteconnect 0.2.4 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/kiteconnect/0.2.4
[INFO] validating manifest of kiteconnect-0.2.4 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kiteconnect-0.2.4 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kiteconnect-0.2.4
[INFO] finished frobbing kiteconnect-0.2.4
[INFO] frobbed toml for kiteconnect-0.2.4 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/kiteconnect/0.2.4/Cargo.toml
[INFO] started frobbing kiteconnect-0.2.4
[INFO] finished frobbing kiteconnect-0.2.4
[INFO] frobbed toml for kiteconnect-0.2.4 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/kiteconnect/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kiteconnect-0.2.4 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/kiteconnect/0.2.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df79c018bb7e025d5af77cf31d0d7946428082061f50754dfa3822ff8dc14aa5
[INFO] running `"docker" "start" "-a" "df79c018bb7e025d5af77cf31d0d7946428082061f50754dfa3822ff8dc14aa5"`
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]     Checking mockito v0.9.1
[INFO] [stderr]     Checking kiteconnect v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ticker.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         kiteticker.connect(MyHandler{}, Some("127.0.0.1:3012"));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ticker.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         kiteticker.sender.unwrap().send("PING");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ws::Message`
[INFO] [stderr]  --> examples/ticker_sample.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ws::Message;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws`
[INFO] [stderr]   --> examples/ticker_sample.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn on_ticks<T>(&mut self, ws: &mut WebSocketHandler<T>, tick: Vec<json::Value>)
[INFO] [stderr]    |                               ^^ help: consider prefixing with an underscore: `_ws`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws`
[INFO] [stderr]   --> examples/ticker_sample.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn on_close<T>(&mut self, ws: &mut WebSocketHandler<T>)
[INFO] [stderr]    |                               ^^ help: consider prefixing with an underscore: `_ws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws`
[INFO] [stderr]   --> examples/ticker_sample.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn on_error<T>(&mut self, ws: &mut WebSocketHandler<T>)
[INFO] [stderr]    |                               ^^ help: consider prefixing with an underscore: `_ws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/ticker_sample.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         ws.subscribe(vec![53511431]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/ticker_sample.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         ws.set_mode("full", vec![53511431]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/ticker_sample.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ticker.connect(custom_handler, None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `"docker" "inspect" "df79c018bb7e025d5af77cf31d0d7946428082061f50754dfa3822ff8dc14aa5"`
[INFO] running `"docker" "rm" "-f" "df79c018bb7e025d5af77cf31d0d7946428082061f50754dfa3822ff8dc14aa5"`
[INFO] [stdout] df79c018bb7e025d5af77cf31d0d7946428082061f50754dfa3822ff8dc14aa5