[INFO] updating cached repository alexander-akhmetov/zt-tcp-relay
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexander-akhmetov/zt-tcp-relay
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexander-akhmetov/zt-tcp-relay" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexander-akhmetov/zt-tcp-relay"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexander-akhmetov/zt-tcp-relay'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexander-akhmetov/zt-tcp-relay" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexander-akhmetov/zt-tcp-relay"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexander-akhmetov/zt-tcp-relay'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c023d0d2e0f8ce9f15d89b9456209ba4af031a92
[INFO] sha for GitHub repo alexander-akhmetov/zt-tcp-relay: c023d0d2e0f8ce9f15d89b9456209ba4af031a92
[INFO] validating manifest of alexander-akhmetov/zt-tcp-relay 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 alexander-akhmetov/zt-tcp-relay 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 alexander-akhmetov/zt-tcp-relay
[INFO] finished frobbing alexander-akhmetov/zt-tcp-relay
[INFO] frobbed toml for alexander-akhmetov/zt-tcp-relay written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexander-akhmetov/zt-tcp-relay/Cargo.toml
[INFO] started frobbing alexander-akhmetov/zt-tcp-relay
[INFO] finished frobbing alexander-akhmetov/zt-tcp-relay
[INFO] frobbed toml for alexander-akhmetov/zt-tcp-relay written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexander-akhmetov/zt-tcp-relay/Cargo.toml
[INFO] crate alexander-akhmetov/zt-tcp-relay 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 alexander-akhmetov/zt-tcp-relay 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexander-akhmetov/zt-tcp-relay:/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] b219aeefe4abf9bad45dc71e3ae79396933e8de9dfde544b6f47dba17076da4a
[INFO] running `"docker" "start" "-a" "b219aeefe4abf9bad45dc71e3ae79396933e8de9dfde544b6f47dba17076da4a"`
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling zt-tcp-relay v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 udp_socket.send_to(&buffer[12..(12 + payload_length)], dest_addr);
[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:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 tcp_stream.write(&header_bytes);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 tcp_stream.write(&buffer[0..received]);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 tcp_stream.flush();
[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 23.97s
[INFO] running `"docker" "inspect" "b219aeefe4abf9bad45dc71e3ae79396933e8de9dfde544b6f47dba17076da4a"`
[INFO] running `"docker" "rm" "-f" "b219aeefe4abf9bad45dc71e3ae79396933e8de9dfde544b6f47dba17076da4a"`
[INFO] [stdout] b219aeefe4abf9bad45dc71e3ae79396933e8de9dfde544b6f47dba17076da4a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexander-akhmetov/zt-tcp-relay:/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] 72f9f9368be572e662a71c73e1834ab8cf9fd0afb538d9f30fa032da87950b0a
[INFO] running `"docker" "start" "-a" "72f9f9368be572e662a71c73e1834ab8cf9fd0afb538d9f30fa032da87950b0a"`
[INFO] [stderr]    Compiling zt-tcp-relay v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 udp_socket.send_to(&buffer[12..(12 + payload_length)], dest_addr);
[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:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 tcp_stream.write(&header_bytes);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 tcp_stream.write(&buffer[0..received]);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 tcp_stream.flush();
[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 1.47s
[INFO] running `"docker" "inspect" "72f9f9368be572e662a71c73e1834ab8cf9fd0afb538d9f30fa032da87950b0a"`
[INFO] running `"docker" "rm" "-f" "72f9f9368be572e662a71c73e1834ab8cf9fd0afb538d9f30fa032da87950b0a"`
[INFO] [stdout] 72f9f9368be572e662a71c73e1834ab8cf9fd0afb538d9f30fa032da87950b0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexander-akhmetov/zt-tcp-relay:/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] b9c1272b08d11b104ba0df1e9a6de1a46ce9dfbfe958b9073c3159d81fc8a03a
[INFO] running `"docker" "start" "-a" "b9c1272b08d11b104ba0df1e9a6de1a46ce9dfbfe958b9073c3159d81fc8a03a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zt_tcp_relay-4daf6cc0cf9098fa
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test greeting::tests::test_app_version ... ok
[INFO] [stdout] test greeting::tests::test_validate_protocol ... ok
[INFO] [stdout] test packet::tests::test_packet_info ... ok
[INFO] [stdout] test packet::tests::test_packet_header ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b9c1272b08d11b104ba0df1e9a6de1a46ce9dfbfe958b9073c3159d81fc8a03a"`
[INFO] running `"docker" "rm" "-f" "b9c1272b08d11b104ba0df1e9a6de1a46ce9dfbfe958b9073c3159d81fc8a03a"`
[INFO] [stdout] b9c1272b08d11b104ba0df1e9a6de1a46ce9dfbfe958b9073c3159d81fc8a03a