Dec 17 19:23:29.373 INFO checking mortonar/rust-xmpp-server against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:23:29.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:23:29.836 INFO [stdout] 17afb7f81e12e93fa2819d2791e8255aa3337073a367fcb2dac58162abd2daf9
Dec 17 19:23:29.844 INFO running `"docker" "start" "-a" "17afb7f81e12e93fa2819d2791e8255aa3337073a367fcb2dac58162abd2daf9"`
Dec 17 19:23:31.651 INFO [stderr]     Checking xml-rs v0.6.0
Dec 17 19:23:32.912 INFO [stderr]     Checking rust-xmpp-server v0.0.1 (/opt/crater/workdir)
Dec 17 19:23:33.104 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 19:23:33.104 INFO [stderr]   --> src/main.rs:11:19
Dec 17 19:23:33.104 INFO [stderr]    |
Dec 17 19:23:33.104 INFO [stderr] 11 |     let port = if (args.len() != 2) {
Dec 17 19:23:33.104 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 19:23:33.104 INFO [stderr]    |
Dec 17 19:23:33.104 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 19:23:33.104 INFO [stderr] 
Dec 17 19:23:33.141 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 19:23:33.141 INFO [stderr]   --> src/main.rs:11:19
Dec 17 19:23:33.145 INFO [stderr]    |
Dec 17 19:23:33.146 INFO [stderr] 11 |     let port = if (args.len() != 2) {
Dec 17 19:23:33.146 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 19:23:33.146 INFO [stderr]    |
Dec 17 19:23:33.146 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 19:23:33.146 INFO [stderr] 
Dec 17 19:23:33.188 INFO [stderr] warning: field is never used: `tcp_stream`
Dec 17 19:23:33.188 INFO [stderr]  --> src/client_session.rs:5:5
Dec 17 19:23:33.188 INFO [stderr]   |
Dec 17 19:23:33.189 INFO [stderr] 5 |     tcp_stream: TcpStream
Dec 17 19:23:33.189 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:23:33.189 INFO [stderr]   |
Dec 17 19:23:33.190 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 19:23:33.190 INFO [stderr] 
Dec 17 19:23:33.216 INFO [stderr] warning: field is never used: `tcp_stream`
Dec 17 19:23:33.216 INFO [stderr]  --> src/client_session.rs:5:5
Dec 17 19:23:33.216 INFO [stderr]   |
Dec 17 19:23:33.216 INFO [stderr] 5 |     tcp_stream: TcpStream
Dec 17 19:23:33.216 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:23:33.216 INFO [stderr]   |
Dec 17 19:23:33.216 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 19:23:33.216 INFO [stderr] 
Dec 17 19:23:33.248 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Dec 17 19:23:33.844 INFO running `"docker" "inspect" "17afb7f81e12e93fa2819d2791e8255aa3337073a367fcb2dac58162abd2daf9"`
Dec 17 19:23:34.190 INFO running `"docker" "rm" "-f" "17afb7f81e12e93fa2819d2791e8255aa3337073a367fcb2dac58162abd2daf9"`
Dec 17 19:23:34.499 INFO [stdout] 17afb7f81e12e93fa2819d2791e8255aa3337073a367fcb2dac58162abd2daf9