Dec 04 18:09:33.340 INFO checking gilbertw1/adventure-rust-future-tokio-code against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 18:09:33.340 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 18:09:33.718 INFO [stdout] fa51e6496bd1a2b63127bd54c8c38b932b0e6402e029fd88c718fd32222f4001
Dec 04 18:09:33.720 INFO running `"docker" "start" "-a" "fa51e6496bd1a2b63127bd54c8c38b932b0e6402e029fd88c718fd32222f4001"`
Dec 04 18:09:34.843 INFO [stderr] usermod: no changes
Dec 04 18:09:35.117 INFO [stderr]     Checking http v0.1.10
Dec 04 18:09:35.123 INFO [stderr]     Checking tokio-core v0.1.17
Dec 04 18:09:38.859 INFO [stderr]     Checking domain v0.2.4
Dec 04 18:09:40.948 INFO [stderr]     Checking h2 v0.1.12
Dec 04 18:09:47.493 INFO [stderr]     Checking hyper v0.12.9
Dec 04 18:09:53.122 INFO [stderr]     Checking adventure-rust-future-and-tokio-code v0.1.0 (/source)
Dec 04 18:09:55.155 INFO [stderr] warning: unused variable: `result`
Dec 04 18:09:55.155 INFO [stderr]    --> src/main.rs:111:13
Dec 04 18:09:55.155 INFO [stderr]     |
Dec 04 18:09:55.155 INFO [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
Dec 04 18:09:55.155 INFO [stderr]     |             ^^^^^^ help: consider using `_result` instead
Dec 04 18:09:55.155 INFO [stderr]     |
Dec 04 18:09:55.155 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 18:09:55.155 INFO [stderr] 
Dec 04 18:09:55.203 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:09:55.203 INFO [stderr]   --> src/main.rs:89:9
Dec 04 18:09:55.203 INFO [stderr]    |
Dec 04 18:09:55.203 INFO [stderr] 89 |         request.sender.send(response);
Dec 04 18:09:55.203 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:09:55.203 INFO [stderr]    |
Dec 04 18:09:55.203 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 18:09:55.203 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:09:55.203 INFO [stderr] 
Dec 04 18:09:55.203 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:09:55.203 INFO [stderr]    --> src/main.rs:125:9
Dec 04 18:09:55.203 INFO [stderr]     |
Dec 04 18:09:55.203 INFO [stderr] 125 |         tx.send(resolv);
Dec 04 18:09:55.203 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 04 18:09:55.203 INFO [stderr]     |
Dec 04 18:09:55.203 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:09:55.203 INFO [stderr] 
Dec 04 18:09:55.403 INFO [stderr] warning: unused variable: `result`
Dec 04 18:09:55.403 INFO [stderr]    --> src/main.rs:111:13
Dec 04 18:09:55.403 INFO [stderr]     |
Dec 04 18:09:55.403 INFO [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
Dec 04 18:09:55.403 INFO [stderr]     |             ^^^^^^ help: consider using `_result` instead
Dec 04 18:09:55.403 INFO [stderr]     |
Dec 04 18:09:55.403 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 18:09:55.403 INFO [stderr] 
Dec 04 18:09:55.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:09:55.423 INFO [stderr]   --> src/main.rs:89:9
Dec 04 18:09:55.423 INFO [stderr]    |
Dec 04 18:09:55.423 INFO [stderr] 89 |         request.sender.send(response);
Dec 04 18:09:55.423 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:09:55.423 INFO [stderr]    |
Dec 04 18:09:55.423 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 18:09:55.423 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:09:55.423 INFO [stderr] 
Dec 04 18:09:55.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:09:55.423 INFO [stderr]    --> src/main.rs:125:9
Dec 04 18:09:55.423 INFO [stderr]     |
Dec 04 18:09:55.423 INFO [stderr] 125 |         tx.send(resolv);
Dec 04 18:09:55.423 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 04 18:09:55.423 INFO [stderr]     |
Dec 04 18:09:55.423 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:09:55.423 INFO [stderr] 
Dec 04 18:09:55.463 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.57s
Dec 04 18:09:55.471 INFO [stderr] su: No module specific data is present
Dec 04 18:09:57.103 INFO running `"docker" "inspect" "fa51e6496bd1a2b63127bd54c8c38b932b0e6402e029fd88c718fd32222f4001"`
Dec 04 18:09:57.445 INFO running `"docker" "rm" "-f" "fa51e6496bd1a2b63127bd54c8c38b932b0e6402e029fd88c718fd32222f4001"`
Dec 04 18:09:57.819 INFO [stdout] fa51e6496bd1a2b63127bd54c8c38b932b0e6402e029fd88c718fd32222f4001