[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/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/johnnyasantoss/chat-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/johnnyasantoss/chat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johnnyasantoss/chat-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/johnnyasantoss/chat-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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 master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of johnnyasantoss/chat-rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "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/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking johnnyasantoss/chat-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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=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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 92f10e3a917f80e131f48746b4b0d9aed8f6c6c88e91e3debcb4a4c44fbb0d66
[INFO] running `"docker" "start" "-a" "92f10e3a917f80e131f48746b4b0d9aed8f6c6c88e91e3debcb4a4c44fbb0d66"`
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking 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] 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 6.40s
[INFO] running `"docker" "inspect" "92f10e3a917f80e131f48746b4b0d9aed8f6c6c88e91e3debcb4a4c44fbb0d66"`
[INFO] running `"docker" "rm" "-f" "92f10e3a917f80e131f48746b4b0d9aed8f6c6c88e91e3debcb4a4c44fbb0d66"`
[INFO] [stdout] 92f10e3a917f80e131f48746b4b0d9aed8f6c6c88e91e3debcb4a4c44fbb0d66