Dec 17 23:44:43.680 INFO checking gilbertw1/adventure-rust-future-tokio-code against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:44:43.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/gilbertw1/adventure-rust-future-tokio-code:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:44:44.062 INFO [stdout] f176176a80675efa105c9537d93ea8fafb87d02b86fdad582dfaac4dc241e764
Dec 17 23:44:44.064 INFO running `"docker" "start" "-a" "f176176a80675efa105c9537d93ea8fafb87d02b86fdad582dfaac4dc241e764"`
Dec 17 23:44:46.160 INFO [stderr]     Checking http v0.1.10
Dec 17 23:44:46.170 INFO [stderr]     Checking tokio-core v0.1.17
Dec 17 23:44:47.830 INFO [stderr]     Checking domain v0.2.4
Dec 17 23:44:50.652 INFO [stderr]     Checking h2 v0.1.12
Dec 17 23:44:55.392 INFO [stderr]     Checking hyper v0.12.9
Dec 17 23:44:59.298 INFO [stderr]     Checking adventure-rust-future-and-tokio-code v0.1.0 (/opt/crater/workdir)
Dec 17 23:44:59.980 INFO [stderr] warning: unused variable: `result`
Dec 17 23:44:59.980 INFO [stderr]    --> src/main.rs:111:13
Dec 17 23:44:59.980 INFO [stderr]     |
Dec 17 23:44:59.980 INFO [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
Dec 17 23:44:59.980 INFO [stderr]     |             ^^^^^^ help: consider using `_result` instead
Dec 17 23:44:59.980 INFO [stderr]     |
Dec 17 23:44:59.980 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 23:44:59.980 INFO [stderr] 
Dec 17 23:45:00.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:45:00.000 INFO [stderr]   --> src/main.rs:89:9
Dec 17 23:45:00.000 INFO [stderr]    |
Dec 17 23:45:00.000 INFO [stderr] 89 |         request.sender.send(response);
Dec 17 23:45:00.000 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:45:00.000 INFO [stderr]    |
Dec 17 23:45:00.000 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:45:00.000 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:45:00.000 INFO [stderr] 
Dec 17 23:45:00.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:45:00.004 INFO [stderr]    --> src/main.rs:125:9
Dec 17 23:45:00.004 INFO [stderr]     |
Dec 17 23:45:00.004 INFO [stderr] 125 |         tx.send(resolv);
Dec 17 23:45:00.004 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 17 23:45:00.004 INFO [stderr]     |
Dec 17 23:45:00.004 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:45:00.004 INFO [stderr] 
Dec 17 23:45:00.061 INFO [stderr] warning: unused variable: `result`
Dec 17 23:45:00.061 INFO [stderr]    --> src/main.rs:111:13
Dec 17 23:45:00.061 INFO [stderr]     |
Dec 17 23:45:00.061 INFO [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
Dec 17 23:45:00.061 INFO [stderr]     |             ^^^^^^ help: consider using `_result` instead
Dec 17 23:45:00.061 INFO [stderr]     |
Dec 17 23:45:00.061 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 23:45:00.061 INFO [stderr] 
Dec 17 23:45:00.094 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:45:00.094 INFO [stderr]   --> src/main.rs:89:9
Dec 17 23:45:00.094 INFO [stderr]    |
Dec 17 23:45:00.094 INFO [stderr] 89 |         request.sender.send(response);
Dec 17 23:45:00.097 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:45:00.097 INFO [stderr]    |
Dec 17 23:45:00.097 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:45:00.098 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:45:00.098 INFO [stderr] 
Dec 17 23:45:00.098 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:45:00.098 INFO [stderr]    --> src/main.rs:125:9
Dec 17 23:45:00.098 INFO [stderr]     |
Dec 17 23:45:00.098 INFO [stderr] 125 |         tx.send(resolv);
Dec 17 23:45:00.098 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 17 23:45:00.098 INFO [stderr]     |
Dec 17 23:45:00.098 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:45:00.098 INFO [stderr] 
Dec 17 23:45:00.146 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.17s
Dec 17 23:45:01.046 INFO running `"docker" "inspect" "f176176a80675efa105c9537d93ea8fafb87d02b86fdad582dfaac4dc241e764"`
Dec 17 23:45:01.326 INFO running `"docker" "rm" "-f" "f176176a80675efa105c9537d93ea8fafb87d02b86fdad582dfaac4dc241e764"`
Dec 17 23:45:01.568 INFO [stdout] f176176a80675efa105c9537d93ea8fafb87d02b86fdad582dfaac4dc241e764