Dec 19 16:30:25.966 INFO checking glasses-n-contacts/rust-chat against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:30:25.966 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:30:26.368 INFO [stdout] 5cda91d4b998541071663f8ce1e556f15a0cefb20aa7ed1795174b944d50cf50
Dec 19 16:30:26.370 INFO running `"docker" "start" "-a" "5cda91d4b998541071663f8ce1e556f15a0cefb20aa7ed1795174b944d50cf50"`
Dec 19 16:30:28.232 INFO [stderr]    Compiling http-muncher v0.2.5
Dec 19 16:30:28.232 INFO [stderr]     Checking net2 v0.2.32
Dec 19 16:30:28.232 INFO [stderr]     Checking nix v0.5.1
Dec 19 16:30:28.233 INFO [stderr]     Checking sha1 v0.1.1
Dec 19 16:30:29.596 INFO [stderr]     Checking miow v0.1.5
Dec 19 16:30:31.940 INFO [stderr]     Checking mio v0.5.1
Dec 19 16:30:33.000 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 19 16:30:33.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:30:33.520 INFO [stderr]    --> src/socket_client/frame.rs:202:13
Dec 19 16:30:33.520 INFO [stderr]     |
Dec 19 16:30:33.520 INFO [stderr] 202 |             body.write(status_code);
Dec 19 16:30:33.520 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:30:33.520 INFO [stderr]     |
Dec 19 16:30:33.520 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 16:30:33.520 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:30:33.520 INFO [stderr] 
Dec 19 16:30:33.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:30:33.520 INFO [stderr]   --> src/socket_server.rs:65:13
Dec 19 16:30:33.520 INFO [stderr]    |
Dec 19 16:30:33.520 INFO [stderr] 65 |             client.socket.shutdown(Shutdown::Both);
Dec 19 16:30:33.520 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:30:33.520 INFO [stderr]    |
Dec 19 16:30:33.520 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:30:33.520 INFO [stderr] 
Dec 19 16:30:33.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:30:33.520 INFO [stderr]   --> src/socket_server.rs:66:13
Dec 19 16:30:33.521 INFO [stderr]    |
Dec 19 16:30:33.521 INFO [stderr] 66 |             event_loop.deregister(&client.socket);
Dec 19 16:30:33.521 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:30:33.521 INFO [stderr]    |
Dec 19 16:30:33.521 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:30:33.521 INFO [stderr] 
Dec 19 16:30:33.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:30:33.547 INFO [stderr]    --> src/socket_client/frame.rs:202:13
Dec 19 16:30:33.547 INFO [stderr]     |
Dec 19 16:30:33.547 INFO [stderr] 202 |             body.write(status_code);
Dec 19 16:30:33.547 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:30:33.547 INFO [stderr]     |
Dec 19 16:30:33.547 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 16:30:33.547 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:30:33.547 INFO [stderr] 
Dec 19 16:30:33.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:30:33.547 INFO [stderr]   --> src/socket_server.rs:65:13
Dec 19 16:30:33.547 INFO [stderr]    |
Dec 19 16:30:33.547 INFO [stderr] 65 |             client.socket.shutdown(Shutdown::Both);
Dec 19 16:30:33.547 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:30:33.547 INFO [stderr]    |
Dec 19 16:30:33.547 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:30:33.547 INFO [stderr] 
Dec 19 16:30:33.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:30:33.547 INFO [stderr]   --> src/socket_server.rs:66:13
Dec 19 16:30:33.547 INFO [stderr]    |
Dec 19 16:30:33.547 INFO [stderr] 66 |             event_loop.deregister(&client.socket);
Dec 19 16:30:33.547 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:30:33.547 INFO [stderr]    |
Dec 19 16:30:33.547 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:30:33.547 INFO [stderr] 
Dec 19 16:30:34.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
Dec 19 16:30:34.534 INFO running `"docker" "inspect" "5cda91d4b998541071663f8ce1e556f15a0cefb20aa7ed1795174b944d50cf50"`
Dec 19 16:30:34.854 INFO running `"docker" "rm" "-f" "5cda91d4b998541071663f8ce1e556f15a0cefb20aa7ed1795174b944d50cf50"`
Dec 19 16:30:35.052 INFO [stdout] 5cda91d4b998541071663f8ce1e556f15a0cefb20aa7ed1795174b944d50cf50