[INFO] updating cached repository johnnyasantoss/chat-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/johnnyasantoss/chat-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/johnnyasantoss/chat-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/johnnyasantoss/chat-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/johnnyasantoss/chat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johnnyasantoss/chat-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johnnyasantoss/chat-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johnnyasantoss/chat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6446fd1dd8e956bb44724d3b794afb670fe192a
[INFO] sha for GitHub repo johnnyasantoss/chat-rs: c6446fd1dd8e956bb44724d3b794afb670fe192a
[INFO] validating manifest of johnnyasantoss/chat-rs 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 johnnyasantoss/chat-rs 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 johnnyasantoss/chat-rs
[INFO] finished frobbing johnnyasantoss/chat-rs
[INFO] frobbed toml for johnnyasantoss/chat-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/johnnyasantoss/chat-rs/Cargo.toml
[INFO] started frobbing johnnyasantoss/chat-rs
[INFO] finished frobbing johnnyasantoss/chat-rs
[INFO] frobbed toml for johnnyasantoss/chat-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johnnyasantoss/chat-rs/Cargo.toml
[INFO] crate johnnyasantoss/chat-rs 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 johnnyasantoss/chat-rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/johnnyasantoss/chat-rs:/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] a1667e541142e4eb2861278206d2232b9466078f5c97a654dcb1c0d4f8f035d0
[INFO] running `"docker" "start" "-a" "a1667e541142e4eb2861278206d2232b9466078f5c97a654dcb1c0d4f8f035d0"`
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling chat-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/server.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn serve_chat(username: String, stream: TcpStream) {}
[INFO] [stderr]    |                   ^^^^^^^^ help: consider prefixing with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/server.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn serve_chat(username: String, stream: TcpStream) {}
[INFO] [stderr]    |                                     ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]  --> src/result.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_msg`
[INFO] [stderr]   --> src/server.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn handle_msg(stream: &mut TcpStream) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.76s
[INFO] running `"docker" "inspect" "a1667e541142e4eb2861278206d2232b9466078f5c97a654dcb1c0d4f8f035d0"`
[INFO] running `"docker" "rm" "-f" "a1667e541142e4eb2861278206d2232b9466078f5c97a654dcb1c0d4f8f035d0"`
[INFO] [stdout] a1667e541142e4eb2861278206d2232b9466078f5c97a654dcb1c0d4f8f035d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/johnnyasantoss/chat-rs:/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] 9071b90566495b0e0484684e9231f08bfa3fc032a195fe7abdfa6edc8df91a7b
[INFO] running `"docker" "start" "-a" "9071b90566495b0e0484684e9231f08bfa3fc032a195fe7abdfa6edc8df91a7b"`
[INFO] [stderr]    Compiling chat-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/server.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn serve_chat(username: String, stream: TcpStream) {}
[INFO] [stderr]    |                   ^^^^^^^^ help: consider prefixing with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/server.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn serve_chat(username: String, stream: TcpStream) {}
[INFO] [stderr]    |                                     ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]  --> src/result.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_msg`
[INFO] [stderr]   --> src/server.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn handle_msg(stream: &mut TcpStream) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "9071b90566495b0e0484684e9231f08bfa3fc032a195fe7abdfa6edc8df91a7b"`
[INFO] running `"docker" "rm" "-f" "9071b90566495b0e0484684e9231f08bfa3fc032a195fe7abdfa6edc8df91a7b"`
[INFO] [stdout] 9071b90566495b0e0484684e9231f08bfa3fc032a195fe7abdfa6edc8df91a7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/johnnyasantoss/chat-rs:/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] 3345bdd78148147f96300a4072fa4253a6dd0402aa4c6be899d4818add6840ec
[INFO] running `"docker" "start" "-a" "3345bdd78148147f96300a4072fa4253a6dd0402aa4c6be899d4818add6840ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chat_rs-bea75a4612d926b1
[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/main-65777f53407c76b4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3345bdd78148147f96300a4072fa4253a6dd0402aa4c6be899d4818add6840ec"`
[INFO] running `"docker" "rm" "-f" "3345bdd78148147f96300a4072fa4253a6dd0402aa4c6be899d4818add6840ec"`
[INFO] [stdout] 3345bdd78148147f96300a4072fa4253a6dd0402aa4c6be899d4818add6840ec