Dec 17 23:43:59.919 INFO checking glasses-n-contacts/rust-chat against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:43:59.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/glasses-n-contacts/rust-chat:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:44:00.100 INFO [stdout] 4fe2217bf92a5ea0b1bd17de133d99b523d7d260232a8bf36471d7b046db5d96
Dec 17 23:44:00.104 INFO running `"docker" "start" "-a" "4fe2217bf92a5ea0b1bd17de133d99b523d7d260232a8bf36471d7b046db5d96"`
Dec 17 23:44:00.657 INFO [stderr]    Compiling http-muncher v0.2.5
Dec 17 23:44:00.660 INFO [stderr]     Checking net2 v0.2.32
Dec 17 23:44:00.664 INFO [stderr]     Checking sha1 v0.1.1
Dec 17 23:44:01.454 INFO [stderr]     Checking miow v0.1.5
Dec 17 23:44:01.669 INFO [stderr]     Checking mio v0.5.1
Dec 17 23:44:03.048 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 17 23:44:03.776 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:44:03.776 INFO [stderr]    --> src/socket_client/frame.rs:202:13
Dec 17 23:44:03.776 INFO [stderr]     |
Dec 17 23:44:03.776 INFO [stderr] 202 |             body.write(status_code);
Dec 17 23:44:03.776 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:44:03.776 INFO [stderr]     |
Dec 17 23:44:03.776 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 23:44:03.776 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:44:03.776 INFO [stderr] 
Dec 17 23:44:03.776 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:44:03.776 INFO [stderr]   --> src/socket_server.rs:65:13
Dec 17 23:44:03.776 INFO [stderr]    |
Dec 17 23:44:03.776 INFO [stderr] 65 |             client.socket.shutdown(Shutdown::Both);
Dec 17 23:44:03.776 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:44:03.776 INFO [stderr]    |
Dec 17 23:44:03.776 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:44:03.776 INFO [stderr] 
Dec 17 23:44:03.776 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:44:03.776 INFO [stderr]   --> src/socket_server.rs:66:13
Dec 17 23:44:03.776 INFO [stderr]    |
Dec 17 23:44:03.776 INFO [stderr] 66 |             event_loop.deregister(&client.socket);
Dec 17 23:44:03.776 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:44:03.776 INFO [stderr]    |
Dec 17 23:44:03.776 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:44:03.776 INFO [stderr] 
Dec 17 23:44:03.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:44:03.920 INFO [stderr]    --> src/socket_client/frame.rs:202:13
Dec 17 23:44:03.920 INFO [stderr]     |
Dec 17 23:44:03.920 INFO [stderr] 202 |             body.write(status_code);
Dec 17 23:44:03.920 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:44:03.920 INFO [stderr]     |
Dec 17 23:44:03.920 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 23:44:03.920 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:44:03.920 INFO [stderr] 
Dec 17 23:44:03.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:44:03.920 INFO [stderr]   --> src/socket_server.rs:65:13
Dec 17 23:44:03.920 INFO [stderr]    |
Dec 17 23:44:03.920 INFO [stderr] 65 |             client.socket.shutdown(Shutdown::Both);
Dec 17 23:44:03.920 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:44:03.920 INFO [stderr]    |
Dec 17 23:44:03.920 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:44:03.920 INFO [stderr] 
Dec 17 23:44:03.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:44:03.920 INFO [stderr]   --> src/socket_server.rs:66:13
Dec 17 23:44:03.920 INFO [stderr]    |
Dec 17 23:44:03.920 INFO [stderr] 66 |             event_loop.deregister(&client.socket);
Dec 17 23:44:03.920 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:44:03.920 INFO [stderr]    |
Dec 17 23:44:03.920 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:44:03.920 INFO [stderr] 
Dec 17 23:44:04.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
Dec 17 23:44:04.830 INFO running `"docker" "inspect" "4fe2217bf92a5ea0b1bd17de133d99b523d7d260232a8bf36471d7b046db5d96"`
Dec 17 23:44:05.012 INFO running `"docker" "rm" "-f" "4fe2217bf92a5ea0b1bd17de133d99b523d7d260232a8bf36471d7b046db5d96"`
Dec 17 23:44:05.184 INFO [stdout] 4fe2217bf92a5ea0b1bd17de133d99b523d7d260232a8bf36471d7b046db5d96