[INFO] updating cached repository takakawa/mockserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/takakawa/mockserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/takakawa/mockserver" "work/ex/beta-1.38-1/sources/1.37.0/gh/takakawa/mockserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/takakawa/mockserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/takakawa/mockserver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/takakawa/mockserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/takakawa/mockserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4742935deccd4a98cd0ebccb755a0408119227a3
[INFO] sha for GitHub repo takakawa/mockserver: 4742935deccd4a98cd0ebccb755a0408119227a3
[INFO] validating manifest of takakawa/mockserver 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 takakawa/mockserver 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 takakawa/mockserver
[INFO] finished frobbing takakawa/mockserver
[INFO] frobbed toml for takakawa/mockserver written to work/ex/beta-1.38-1/sources/1.37.0/gh/takakawa/mockserver/Cargo.toml
[INFO] started frobbing takakawa/mockserver
[INFO] finished frobbing takakawa/mockserver
[INFO] frobbed toml for takakawa/mockserver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/takakawa/mockserver/Cargo.toml
[INFO] crate takakawa/mockserver 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 takakawa/mockserver against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/takakawa/mockserver:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] edd1958f364466aaf33255b589dee64ff087e4b52dd2d590212b1aeff4563acf
[INFO] running `"docker" "start" "-a" "edd1958f364466aaf33255b589dee64ff087e4b52dd2d590212b1aeff4563acf"`
[INFO] [stderr]    Compiling mockserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/main.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 Ok(o) => {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_o`
[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:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 |             stream.shutdown(Shutdown::Both);
[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:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 |                        Err(e)=>{println!("Failed to send:{}",e);stream.shutdown(Shutdown::Both);break;},
[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 0.49s
[INFO] running `"docker" "inspect" "edd1958f364466aaf33255b589dee64ff087e4b52dd2d590212b1aeff4563acf"`
[INFO] running `"docker" "rm" "-f" "edd1958f364466aaf33255b589dee64ff087e4b52dd2d590212b1aeff4563acf"`
[INFO] [stdout] edd1958f364466aaf33255b589dee64ff087e4b52dd2d590212b1aeff4563acf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/takakawa/mockserver:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c4bb2ac076f147e793ad5cd0b8e3565aaac4081bdfce8a1c6f3fbaf16ddd0862
[INFO] running `"docker" "start" "-a" "c4bb2ac076f147e793ad5cd0b8e3565aaac4081bdfce8a1c6f3fbaf16ddd0862"`
[INFO] [stderr]    Compiling mockserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/main.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 Ok(o) => {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_o`
[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:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 |             stream.shutdown(Shutdown::Both);
[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:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 |                        Err(e)=>{println!("Failed to send:{}",e);stream.shutdown(Shutdown::Both);break;},
[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 0.47s
[INFO] running `"docker" "inspect" "c4bb2ac076f147e793ad5cd0b8e3565aaac4081bdfce8a1c6f3fbaf16ddd0862"`
[INFO] running `"docker" "rm" "-f" "c4bb2ac076f147e793ad5cd0b8e3565aaac4081bdfce8a1c6f3fbaf16ddd0862"`
[INFO] [stdout] c4bb2ac076f147e793ad5cd0b8e3565aaac4081bdfce8a1c6f3fbaf16ddd0862
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/takakawa/mockserver:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d79321f965034c9f1d336616d5f3d908da5040cd1f39822975d40cc91a4e8dc4
[INFO] running `"docker" "start" "-a" "d79321f965034c9f1d336616d5f3d908da5040cd1f39822975d40cc91a4e8dc4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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] [stderr]      Running /opt/crater/target/debug/deps/mockserver-280b07ef5ee30218
[INFO] running `"docker" "inspect" "d79321f965034c9f1d336616d5f3d908da5040cd1f39822975d40cc91a4e8dc4"`
[INFO] running `"docker" "rm" "-f" "d79321f965034c9f1d336616d5f3d908da5040cd1f39822975d40cc91a4e8dc4"`
[INFO] [stdout] d79321f965034c9f1d336616d5f3d908da5040cd1f39822975d40cc91a4e8dc4