Dec 18 00:02:36.437 INFO checking ftlc/RustMessenger against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:02:36.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ftlc/RustMessenger:/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 18 00:02:37.129 INFO [stdout] aa5990d07358ab856dd672f62e521a5bf572ad59729e599ecbaabebee25f54c4
Dec 18 00:02:37.132 INFO running `"docker" "start" "-a" "aa5990d07358ab856dd672f62e521a5bf572ad59729e599ecbaabebee25f54c4"`
Dec 18 00:02:39.009 INFO [stderr]     Checking Server v0.1.0 (/opt/crater/workdir)
Dec 18 00:02:39.470 INFO [stderr] warning: unused import: `std::io`
Dec 18 00:02:39.470 INFO [stderr]  --> src/main.rs:5:5
Dec 18 00:02:39.470 INFO [stderr]   |
Dec 18 00:02:39.470 INFO [stderr] 5 | use std::io;
Dec 18 00:02:39.470 INFO [stderr]   |     ^^^^^^^
Dec 18 00:02:39.470 INFO [stderr]   |
Dec 18 00:02:39.471 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:02:39.471 INFO [stderr] 
Dec 18 00:02:39.471 INFO [stderr] warning: unused import: `SocketAddr`
Dec 18 00:02:39.471 INFO [stderr]  --> src/main.rs:7:27
Dec 18 00:02:39.471 INFO [stderr]   |
Dec 18 00:02:39.471 INFO [stderr] 7 | use std::net::{TcpStream, SocketAddr};
Dec 18 00:02:39.472 INFO [stderr]   |                           ^^^^^^^^^^
Dec 18 00:02:39.472 INFO [stderr] 
Dec 18 00:02:39.472 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`
Dec 18 00:02:39.472 INFO [stderr]  --> src/main.rs:9:15
Dec 18 00:02:39.472 INFO [stderr]   |
Dec 18 00:02:39.473 INFO [stderr] 9 | use std::io::{Read, Write, BufReader, BufRead};
Dec 18 00:02:39.473 INFO [stderr]   |               ^^^^         ^^^^^^^^^  ^^^^^^^
Dec 18 00:02:39.473 INFO [stderr] 
Dec 18 00:02:39.524 INFO [stderr] warning: unused import: `std::io`
Dec 18 00:02:39.524 INFO [stderr]  --> src/main.rs:5:5
Dec 18 00:02:39.524 INFO [stderr]   |
Dec 18 00:02:39.524 INFO [stderr] 5 | use std::io;
Dec 18 00:02:39.524 INFO [stderr]   |     ^^^^^^^
Dec 18 00:02:39.524 INFO [stderr]   |
Dec 18 00:02:39.524 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:02:39.524 INFO [stderr] 
Dec 18 00:02:39.524 INFO [stderr] warning: unused import: `SocketAddr`
Dec 18 00:02:39.524 INFO [stderr]  --> src/main.rs:7:27
Dec 18 00:02:39.524 INFO [stderr]   |
Dec 18 00:02:39.524 INFO [stderr] 7 | use std::net::{TcpStream, SocketAddr};
Dec 18 00:02:39.524 INFO [stderr]   |                           ^^^^^^^^^^
Dec 18 00:02:39.524 INFO [stderr] 
Dec 18 00:02:39.524 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`
Dec 18 00:02:39.525 INFO [stderr]  --> src/main.rs:9:15
Dec 18 00:02:39.525 INFO [stderr]   |
Dec 18 00:02:39.525 INFO [stderr] 9 | use std::io::{Read, Write, BufReader, BufRead};
Dec 18 00:02:39.525 INFO [stderr]   |               ^^^^         ^^^^^^^^^  ^^^^^^^
Dec 18 00:02:39.525 INFO [stderr] 
Dec 18 00:02:39.557 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:02:39.557 INFO [stderr]   --> src/main.rs:36:19
Dec 18 00:02:39.557 INFO [stderr]    |
Dec 18 00:02:39.557 INFO [stderr] 36 | fn handle_request(mut stream: TcpStream) {
Dec 18 00:02:39.557 INFO [stderr]    |                   ----^^^^^^
Dec 18 00:02:39.557 INFO [stderr]    |                   |
Dec 18 00:02:39.557 INFO [stderr]    |                   help: remove this `mut`
Dec 18 00:02:39.557 INFO [stderr]    |
Dec 18 00:02:39.557 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:02:39.557 INFO [stderr] 
Dec 18 00:02:39.559 INFO [stderr] warning: crate `Server` should have a snake case name such as `server`
Dec 18 00:02:39.559 INFO [stderr]   |
Dec 18 00:02:39.559 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 00:02:39.559 INFO [stderr] 
Dec 18 00:02:39.684 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:02:39.684 INFO [stderr]   --> src/main.rs:36:19
Dec 18 00:02:39.684 INFO [stderr]    |
Dec 18 00:02:39.684 INFO [stderr] 36 | fn handle_request(mut stream: TcpStream) {
Dec 18 00:02:39.684 INFO [stderr]    |                   ----^^^^^^
Dec 18 00:02:39.684 INFO [stderr]    |                   |
Dec 18 00:02:39.684 INFO [stderr]    |                   help: remove this `mut`
Dec 18 00:02:39.684 INFO [stderr]    |
Dec 18 00:02:39.685 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:02:39.685 INFO [stderr] 
Dec 18 00:02:39.688 INFO [stderr] warning: crate `Server` should have a snake case name such as `server`
Dec 18 00:02:39.688 INFO [stderr]   |
Dec 18 00:02:39.688 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 00:02:39.688 INFO [stderr] 
Dec 18 00:02:39.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 18 00:02:40.939 INFO running `"docker" "inspect" "aa5990d07358ab856dd672f62e521a5bf572ad59729e599ecbaabebee25f54c4"`
Dec 18 00:02:41.292 INFO running `"docker" "rm" "-f" "aa5990d07358ab856dd672f62e521a5bf572ad59729e599ecbaabebee25f54c4"`
Dec 18 00:02:41.585 INFO [stdout] aa5990d07358ab856dd672f62e521a5bf572ad59729e599ecbaabebee25f54c4