Dec 04 13:51:56.230 INFO checking mortonar/rust-xmpp-server against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:51:56.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 13:51:56.819 INFO [stdout] 172fe366075b1e5b8d2a8107abc36cc13bfd5e7ecab829dbda7ab6c24c5e6c4f
Dec 04 13:51:56.821 INFO running `"docker" "start" "-a" "172fe366075b1e5b8d2a8107abc36cc13bfd5e7ecab829dbda7ab6c24c5e6c4f"`
Dec 04 13:51:58.394 INFO [stderr] usermod: no changes
Dec 04 13:51:58.487 INFO [stderr]     Checking xml-rs v0.6.0
Dec 04 13:51:59.880 INFO [stderr]     Checking rust-xmpp-server v0.0.1 (/source)
Dec 04 13:52:00.199 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 13:52:00.199 INFO [stderr]   --> src/main.rs:11:19
Dec 04 13:52:00.199 INFO [stderr]    |
Dec 04 13:52:00.199 INFO [stderr] 11 |     let port = if (args.len() != 2) {
Dec 04 13:52:00.199 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 13:52:00.199 INFO [stderr]    |
Dec 04 13:52:00.199 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 13:52:00.199 INFO [stderr] 
Dec 04 13:52:00.203 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 13:52:00.203 INFO [stderr]   --> src/main.rs:11:19
Dec 04 13:52:00.203 INFO [stderr]    |
Dec 04 13:52:00.203 INFO [stderr] 11 |     let port = if (args.len() != 2) {
Dec 04 13:52:00.203 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 13:52:00.203 INFO [stderr]    |
Dec 04 13:52:00.203 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 13:52:00.203 INFO [stderr] 
Dec 04 13:52:00.250 INFO [stderr] warning: field is never used: `tcp_stream`
Dec 04 13:52:00.250 INFO [stderr]  --> src/client_session.rs:5:5
Dec 04 13:52:00.250 INFO [stderr]   |
Dec 04 13:52:00.250 INFO [stderr] 5 |     tcp_stream: TcpStream
Dec 04 13:52:00.250 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:52:00.250 INFO [stderr]   |
Dec 04 13:52:00.250 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:52:00.250 INFO [stderr] 
Dec 04 13:52:00.253 INFO [stderr] warning: field is never used: `tcp_stream`
Dec 04 13:52:00.253 INFO [stderr]  --> src/client_session.rs:5:5
Dec 04 13:52:00.253 INFO [stderr]   |
Dec 04 13:52:00.253 INFO [stderr] 5 |     tcp_stream: TcpStream
Dec 04 13:52:00.253 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:52:00.253 INFO [stderr]   |
Dec 04 13:52:00.253 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:52:00.253 INFO [stderr] 
Dec 04 13:52:00.292 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Dec 04 13:52:00.295 INFO [stderr] su: No module specific data is present
Dec 04 13:52:00.993 INFO running `"docker" "inspect" "172fe366075b1e5b8d2a8107abc36cc13bfd5e7ecab829dbda7ab6c24c5e6c4f"`
Dec 04 13:52:01.453 INFO running `"docker" "rm" "-f" "172fe366075b1e5b8d2a8107abc36cc13bfd5e7ecab829dbda7ab6c24c5e6c4f"`
Dec 04 13:52:01.757 INFO [stdout] 172fe366075b1e5b8d2a8107abc36cc13bfd5e7ecab829dbda7ab6c24c5e6c4f