[INFO] updating cached repository gilbertw1/adventure-rust-future-tokio-code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gilbertw1/adventure-rust-future-tokio-code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gilbertw1/adventure-rust-future-tokio-code" "work/ex/beta-1.38-1/sources/1.37.0/gh/gilbertw1/adventure-rust-future-tokio-code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gilbertw1/adventure-rust-future-tokio-code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gilbertw1/adventure-rust-future-tokio-code" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gilbertw1/adventure-rust-future-tokio-code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gilbertw1/adventure-rust-future-tokio-code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3231c9284db3c57f3f3cfb42ba7b4b6147b723ec
[INFO] sha for GitHub repo gilbertw1/adventure-rust-future-tokio-code: 3231c9284db3c57f3f3cfb42ba7b4b6147b723ec
[INFO] validating manifest of gilbertw1/adventure-rust-future-tokio-code on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gilbertw1/adventure-rust-future-tokio-code on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gilbertw1/adventure-rust-future-tokio-code
[INFO] finished frobbing gilbertw1/adventure-rust-future-tokio-code
[INFO] frobbed toml for gilbertw1/adventure-rust-future-tokio-code written to work/ex/beta-1.38-1/sources/1.37.0/gh/gilbertw1/adventure-rust-future-tokio-code/Cargo.toml
[INFO] started frobbing gilbertw1/adventure-rust-future-tokio-code
[INFO] finished frobbing gilbertw1/adventure-rust-future-tokio-code
[INFO] frobbed toml for gilbertw1/adventure-rust-future-tokio-code written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gilbertw1/adventure-rust-future-tokio-code/Cargo.toml
[INFO] crate gilbertw1/adventure-rust-future-tokio-code already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gilbertw1/adventure-rust-future-tokio-code against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d76ec350c94b67ff838c5d33f63591d74989ef5208cf1dd00f949cc586c70610
[INFO] running `"docker" "start" "-a" "d76ec350c94b67ff838c5d33f63591d74989ef5208cf1dd00f949cc586c70610"`
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling domain v0.2.4
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling hyper v0.12.9
[INFO] [stderr]    Compiling adventure-rust-future-and-tokio-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         request.sender.send(response);
[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/main.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         tx.send(resolv);
[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 37.99s
[INFO] running `"docker" "inspect" "d76ec350c94b67ff838c5d33f63591d74989ef5208cf1dd00f949cc586c70610"`
[INFO] running `"docker" "rm" "-f" "d76ec350c94b67ff838c5d33f63591d74989ef5208cf1dd00f949cc586c70610"`
[INFO] [stdout] d76ec350c94b67ff838c5d33f63591d74989ef5208cf1dd00f949cc586c70610
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 324ba624fc7773d121438d762014d6cb7edf6cd65a91ac3a34e6b6a8d13fb004
[INFO] running `"docker" "start" "-a" "324ba624fc7773d121438d762014d6cb7edf6cd65a91ac3a34e6b6a8d13fb004"`
[INFO] [stderr]    Compiling adventure-rust-future-and-tokio-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx });
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         request.sender.send(response);
[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/main.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         tx.send(resolv);
[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 1.54s
[INFO] running `"docker" "inspect" "324ba624fc7773d121438d762014d6cb7edf6cd65a91ac3a34e6b6a8d13fb004"`
[INFO] running `"docker" "rm" "-f" "324ba624fc7773d121438d762014d6cb7edf6cd65a91ac3a34e6b6a8d13fb004"`
[INFO] [stdout] 324ba624fc7773d121438d762014d6cb7edf6cd65a91ac3a34e6b6a8d13fb004
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 82a85e029b5ccac8767f2abbfedbd79383dac590fe728cfa9590fdb619065081
[INFO] running `"docker" "start" "-a" "82a85e029b5ccac8767f2abbfedbd79383dac590fe728cfa9590fdb619065081"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adventure_rust_future_and_tokio_code-95704c6b3db93674
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "82a85e029b5ccac8767f2abbfedbd79383dac590fe728cfa9590fdb619065081"`
[INFO] running `"docker" "rm" "-f" "82a85e029b5ccac8767f2abbfedbd79383dac590fe728cfa9590fdb619065081"`
[INFO] [stdout] 82a85e029b5ccac8767f2abbfedbd79383dac590fe728cfa9590fdb619065081