Dec 19 12:26:34.060 INFO checking mortonar/rust-xmpp-server against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:26:34.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mortonar/rust-xmpp-server:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:26:34.484 INFO [stdout] 54038a151ef271718eadb9805bbcec09268f66a48d0ba246718f25c2aa4d03e9
Dec 19 12:26:34.486 INFO running `"docker" "start" "-a" "54038a151ef271718eadb9805bbcec09268f66a48d0ba246718f25c2aa4d03e9"`
Dec 19 12:26:36.153 INFO [stderr]     Checking xml-rs v0.6.0
Dec 19 12:26:37.432 INFO [stderr]     Checking rust-xmpp-server v0.0.1 (/opt/crater/workdir)
Dec 19 12:26:37.692 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 12:26:37.692 INFO [stderr]   --> src/main.rs:11:19
Dec 19 12:26:37.692 INFO [stderr]    |
Dec 19 12:26:37.692 INFO [stderr] 11 |     let port = if (args.len() != 2) {
Dec 19 12:26:37.692 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 12:26:37.692 INFO [stderr]    |
Dec 19 12:26:37.692 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 12:26:37.692 INFO [stderr] 
Dec 19 12:26:37.692 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 12:26:37.692 INFO [stderr]   --> src/main.rs:11:19
Dec 19 12:26:37.692 INFO [stderr]    |
Dec 19 12:26:37.692 INFO [stderr] 11 |     let port = if (args.len() != 2) {
Dec 19 12:26:37.692 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 12:26:37.692 INFO [stderr]    |
Dec 19 12:26:37.692 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 12:26:37.693 INFO [stderr] 
Dec 19 12:26:37.771 INFO [stderr] warning: field is never used: `tcp_stream`
Dec 19 12:26:37.772 INFO [stderr]  --> src/client_session.rs:5:5
Dec 19 12:26:37.772 INFO [stderr]   |
Dec 19 12:26:37.772 INFO [stderr] 5 |     tcp_stream: TcpStream
Dec 19 12:26:37.772 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:26:37.772 INFO [stderr]   |
Dec 19 12:26:37.772 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 12:26:37.772 INFO [stderr] 
Dec 19 12:26:37.800 INFO [stderr] warning: field is never used: `tcp_stream`
Dec 19 12:26:37.800 INFO [stderr]  --> src/client_session.rs:5:5
Dec 19 12:26:37.800 INFO [stderr]   |
Dec 19 12:26:37.800 INFO [stderr] 5 |     tcp_stream: TcpStream
Dec 19 12:26:37.800 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:26:37.800 INFO [stderr]   |
Dec 19 12:26:37.800 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 12:26:37.800 INFO [stderr] 
Dec 19 12:26:37.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 19 12:26:38.418 INFO running `"docker" "inspect" "54038a151ef271718eadb9805bbcec09268f66a48d0ba246718f25c2aa4d03e9"`
Dec 19 12:26:38.605 INFO running `"docker" "rm" "-f" "54038a151ef271718eadb9805bbcec09268f66a48d0ba246718f25c2aa4d03e9"`
Dec 19 12:26:38.800 INFO [stdout] 54038a151ef271718eadb9805bbcec09268f66a48d0ba246718f25c2aa4d03e9