Dec 18 01:14:47.935 INFO checking dmitryvm/websocket-server against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:14:47.935 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/dmitryvm/websocket-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 18 01:14:48.488 INFO [stdout] 068e8b217c2de33d966fc48ac293e90a2b64f29c1988df123df4820d7bbcdd18
Dec 18 01:14:48.490 INFO running `"docker" "start" "-a" "068e8b217c2de33d966fc48ac293e90a2b64f29c1988df123df4820d7bbcdd18"`
Dec 18 01:14:49.837 INFO [stderr]    Compiling http-muncher v0.2.5
Dec 18 01:14:49.851 INFO [stderr]     Checking winapi v0.1.23
Dec 18 01:14:49.851 INFO [stderr]     Checking sha1 v0.1.1
Dec 18 01:14:50.433 INFO [stderr]     Checking mio v0.4.4
Dec 18 01:14:52.008 INFO [stderr]     Checking mudgate v0.1.0 (/opt/crater/workdir)
Dec 18 01:14:52.384 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 01:14:52.384 INFO [stderr]  --> src/frame.rs:3:5
Dec 18 01:14:52.384 INFO [stderr]   |
Dec 18 01:14:52.384 INFO [stderr] 3 | use std::error::Error;
Dec 18 01:14:52.384 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 01:14:52.384 INFO [stderr]   |
Dec 18 01:14:52.384 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:14:52.384 INFO [stderr] 
Dec 18 01:14:52.516 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 01:14:52.516 INFO [stderr]  --> src/frame.rs:3:5
Dec 18 01:14:52.516 INFO [stderr]   |
Dec 18 01:14:52.516 INFO [stderr] 3 | use std::error::Error;
Dec 18 01:14:52.516 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 01:14:52.516 INFO [stderr]   |
Dec 18 01:14:52.516 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:14:52.516 INFO [stderr] 
Dec 18 01:14:52.612 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:14:52.612 INFO [stderr]    --> src/main.rs:209:17
Dec 18 01:14:52.612 INFO [stderr]     |
Dec 18 01:14:52.612 INFO [stderr] 209 |             let mut client = self.clients.get_mut(&token).unwrap();
Dec 18 01:14:52.612 INFO [stderr]     |                 ----^^^^^^
Dec 18 01:14:52.612 INFO [stderr]     |                 |
Dec 18 01:14:52.612 INFO [stderr]     |                 help: remove this `mut`
Dec 18 01:14:52.612 INFO [stderr]     |
Dec 18 01:14:52.612 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 01:14:52.612 INFO [stderr] 
Dec 18 01:14:52.624 INFO [stderr] warning: method is never used: `get_opcode`
Dec 18 01:14:52.624 INFO [stderr]    --> src/frame.rs:139:5
Dec 18 01:14:52.624 INFO [stderr]     |
Dec 18 01:14:52.624 INFO [stderr] 139 |     pub fn get_opcode(&self) -> OpCode {
Dec 18 01:14:52.624 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:14:52.624 INFO [stderr]     |
Dec 18 01:14:52.624 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 01:14:52.624 INFO [stderr] 
Dec 18 01:14:52.624 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:14:52.624 INFO [stderr]    --> src/main.rs:234:5
Dec 18 01:14:52.624 INFO [stderr]     |
Dec 18 01:14:52.624 INFO [stderr] 234 |     event_loop.run(&mut server);
Dec 18 01:14:52.624 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:14:52.624 INFO [stderr]     |
Dec 18 01:14:52.624 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:14:52.624 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:14:52.624 INFO [stderr] 
Dec 18 01:14:52.747 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:14:52.747 INFO [stderr]    --> src/main.rs:209:17
Dec 18 01:14:52.747 INFO [stderr]     |
Dec 18 01:14:52.747 INFO [stderr] 209 |             let mut client = self.clients.get_mut(&token).unwrap();
Dec 18 01:14:52.747 INFO [stderr]     |                 ----^^^^^^
Dec 18 01:14:52.747 INFO [stderr]     |                 |
Dec 18 01:14:52.747 INFO [stderr]     |                 help: remove this `mut`
Dec 18 01:14:52.747 INFO [stderr]     |
Dec 18 01:14:52.747 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 01:14:52.747 INFO [stderr] 
Dec 18 01:14:52.764 INFO [stderr] warning: method is never used: `get_opcode`
Dec 18 01:14:52.764 INFO [stderr]    --> src/frame.rs:139:5
Dec 18 01:14:52.764 INFO [stderr]     |
Dec 18 01:14:52.764 INFO [stderr] 139 |     pub fn get_opcode(&self) -> OpCode {
Dec 18 01:14:52.764 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:14:52.764 INFO [stderr]     |
Dec 18 01:14:52.764 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 01:14:52.764 INFO [stderr] 
Dec 18 01:14:52.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:14:52.772 INFO [stderr]    --> src/main.rs:234:5
Dec 18 01:14:52.772 INFO [stderr]     |
Dec 18 01:14:52.772 INFO [stderr] 234 |     event_loop.run(&mut server);
Dec 18 01:14:52.772 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:14:52.772 INFO [stderr]     |
Dec 18 01:14:52.772 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:14:52.772 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:14:52.772 INFO [stderr] 
Dec 18 01:14:52.814 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
Dec 18 01:14:53.566 INFO running `"docker" "inspect" "068e8b217c2de33d966fc48ac293e90a2b64f29c1988df123df4820d7bbcdd18"`
Dec 18 01:14:53.796 INFO running `"docker" "rm" "-f" "068e8b217c2de33d966fc48ac293e90a2b64f29c1988df123df4820d7bbcdd18"`
Dec 18 01:14:54.035 INFO [stdout] 068e8b217c2de33d966fc48ac293e90a2b64f29c1988df123df4820d7bbcdd18