Dec 19 16:31:09.859 INFO checking gilbertw1/adventure-rust-future-tokio-code against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:31:09.860 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:31:10.099 INFO [stdout] af73d93e7aa94f4df1ec1fcb8e7bae703273b27c73fb1fbecb670f51775bc5ff
Dec 19 16:31:10.106 INFO running `"docker" "start" "-a" "af73d93e7aa94f4df1ec1fcb8e7bae703273b27c73fb1fbecb670f51775bc5ff"`
Dec 19 16:31:12.055 INFO [stderr]     Checking want v0.0.6
Dec 19 16:31:12.068 INFO [stderr]     Checking tokio-io v0.1.7
Dec 19 16:31:12.068 INFO [stderr]     Checking http v0.1.10
Dec 19 16:31:12.078 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 19 16:31:14.895 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 19 16:31:14.897 INFO [stderr]     Checking tokio-reactor v0.1.2
Dec 19 16:31:15.030 INFO [stderr]     Checking tokio-fs v0.1.2
Dec 19 16:31:16.056 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 16:31:16.056 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 19 16:31:16.904 INFO [stderr]     Checking tokio v0.1.7
Dec 19 16:31:18.017 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 16:31:18.330 INFO [stderr]     Checking h2 v0.1.12
Dec 19 16:31:19.724 INFO [stderr]     Checking domain v0.2.4
Dec 19 16:31:23.516 INFO [stderr]     Checking hyper v0.12.9
Dec 19 16:31:28.149 INFO [stderr]     Checking adventure-rust-future-and-tokio-code v0.1.0 (/opt/crater/workdir)
Dec 19 16:31:28.848 INFO [stderr] warning: unused variable: `result`
Dec 19 16:31:28.848 INFO [stderr]    --> src/main.rs:111:13
Dec 19 16:31:28.848 INFO [stderr]     |
Dec 19 16:31:28.848 INFO [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
Dec 19 16:31:28.848 INFO [stderr]     |             ^^^^^^ help: consider using `_result` instead
Dec 19 16:31:28.848 INFO [stderr]     |
Dec 19 16:31:28.848 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 16:31:28.848 INFO [stderr] 
Dec 19 16:31:28.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:31:28.884 INFO [stderr]   --> src/main.rs:89:9
Dec 19 16:31:28.884 INFO [stderr]    |
Dec 19 16:31:28.884 INFO [stderr] 89 |         request.sender.send(response);
Dec 19 16:31:28.884 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:31:28.884 INFO [stderr]    |
Dec 19 16:31:28.884 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:31:28.884 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:31:28.884 INFO [stderr] 
Dec 19 16:31:28.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:31:28.884 INFO [stderr]    --> src/main.rs:125:9
Dec 19 16:31:28.884 INFO [stderr]     |
Dec 19 16:31:28.884 INFO [stderr] 125 |         tx.send(resolv);
Dec 19 16:31:28.884 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 16:31:28.884 INFO [stderr]     |
Dec 19 16:31:28.884 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:31:28.884 INFO [stderr] 
Dec 19 16:31:28.884 INFO [stderr] warning: unused variable: `result`
Dec 19 16:31:28.884 INFO [stderr]    --> src/main.rs:111:13
Dec 19 16:31:28.884 INFO [stderr]     |
Dec 19 16:31:28.884 INFO [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
Dec 19 16:31:28.884 INFO [stderr]     |             ^^^^^^ help: consider using `_result` instead
Dec 19 16:31:28.884 INFO [stderr]     |
Dec 19 16:31:28.884 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 16:31:28.884 INFO [stderr] 
Dec 19 16:31:28.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:31:28.932 INFO [stderr]   --> src/main.rs:89:9
Dec 19 16:31:28.932 INFO [stderr]    |
Dec 19 16:31:28.932 INFO [stderr] 89 |         request.sender.send(response);
Dec 19 16:31:28.932 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:31:28.932 INFO [stderr]    |
Dec 19 16:31:28.932 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:31:28.932 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:31:28.932 INFO [stderr] 
Dec 19 16:31:28.933 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:31:28.933 INFO [stderr]    --> src/main.rs:125:9
Dec 19 16:31:28.933 INFO [stderr]     |
Dec 19 16:31:28.933 INFO [stderr] 125 |         tx.send(resolv);
Dec 19 16:31:28.933 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 16:31:28.933 INFO [stderr]     |
Dec 19 16:31:28.933 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:31:28.933 INFO [stderr] 
Dec 19 16:31:28.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.06s
Dec 19 16:31:29.962 INFO running `"docker" "inspect" "af73d93e7aa94f4df1ec1fcb8e7bae703273b27c73fb1fbecb670f51775bc5ff"`
Dec 19 16:31:30.192 INFO running `"docker" "rm" "-f" "af73d93e7aa94f4df1ec1fcb8e7bae703273b27c73fb1fbecb670f51775bc5ff"`
Dec 19 16:31:30.432 INFO [stdout] af73d93e7aa94f4df1ec1fcb8e7bae703273b27c73fb1fbecb670f51775bc5ff