Dec 04 18:26:12.264 INFO checking ftlc/RustMessenger against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:26:12.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 18:26:12.795 INFO [stdout] 8dc03eb78187bd152206e895f4496083692a63d3d3db0412910f27e7d8126cba
Dec 04 18:26:12.797 INFO running `"docker" "start" "-a" "8dc03eb78187bd152206e895f4496083692a63d3d3db0412910f27e7d8126cba"`
Dec 04 18:26:14.235 INFO [stderr] usermod: no changes
Dec 04 18:26:14.341 INFO [stderr]     Checking Server v0.1.0 (/source)
Dec 04 18:26:15.095 INFO [stderr] warning: unused import: `std::io`
Dec 04 18:26:15.095 INFO [stderr]  --> src/main.rs:5:5
Dec 04 18:26:15.095 INFO [stderr]   |
Dec 04 18:26:15.095 INFO [stderr] 5 | use std::io;
Dec 04 18:26:15.095 INFO [stderr]   |     ^^^^^^^
Dec 04 18:26:15.095 INFO [stderr]   |
Dec 04 18:26:15.095 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:26:15.095 INFO [stderr] 
Dec 04 18:26:15.095 INFO [stderr] warning: unused import: `SocketAddr`
Dec 04 18:26:15.095 INFO [stderr]  --> src/main.rs:7:27
Dec 04 18:26:15.095 INFO [stderr]   |
Dec 04 18:26:15.095 INFO [stderr] 7 | use std::net::{TcpStream, SocketAddr};
Dec 04 18:26:15.095 INFO [stderr]   |                           ^^^^^^^^^^
Dec 04 18:26:15.095 INFO [stderr] 
Dec 04 18:26:15.095 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`
Dec 04 18:26:15.095 INFO [stderr]  --> src/main.rs:9:15
Dec 04 18:26:15.095 INFO [stderr]   |
Dec 04 18:26:15.095 INFO [stderr] 9 | use std::io::{Read, Write, BufReader, BufRead};
Dec 04 18:26:15.095 INFO [stderr]   |               ^^^^         ^^^^^^^^^  ^^^^^^^
Dec 04 18:26:15.095 INFO [stderr] 
Dec 04 18:26:15.203 INFO [stderr] warning: unused import: `std::io`
Dec 04 18:26:15.203 INFO [stderr]  --> src/main.rs:5:5
Dec 04 18:26:15.203 INFO [stderr]   |
Dec 04 18:26:15.203 INFO [stderr] 5 | use std::io;
Dec 04 18:26:15.203 INFO [stderr]   |     ^^^^^^^
Dec 04 18:26:15.203 INFO [stderr]   |
Dec 04 18:26:15.203 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:26:15.203 INFO [stderr] 
Dec 04 18:26:15.203 INFO [stderr] warning: unused import: `SocketAddr`
Dec 04 18:26:15.203 INFO [stderr]  --> src/main.rs:7:27
Dec 04 18:26:15.203 INFO [stderr]   |
Dec 04 18:26:15.203 INFO [stderr] 7 | use std::net::{TcpStream, SocketAddr};
Dec 04 18:26:15.203 INFO [stderr]   |                           ^^^^^^^^^^
Dec 04 18:26:15.203 INFO [stderr] 
Dec 04 18:26:15.203 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`
Dec 04 18:26:15.203 INFO [stderr]  --> src/main.rs:9:15
Dec 04 18:26:15.203 INFO [stderr]   |
Dec 04 18:26:15.203 INFO [stderr] 9 | use std::io::{Read, Write, BufReader, BufRead};
Dec 04 18:26:15.203 INFO [stderr]   |               ^^^^         ^^^^^^^^^  ^^^^^^^
Dec 04 18:26:15.203 INFO [stderr] 
Dec 04 18:26:15.227 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:26:15.227 INFO [stderr]   --> src/main.rs:36:19
Dec 04 18:26:15.227 INFO [stderr]    |
Dec 04 18:26:15.227 INFO [stderr] 36 | fn handle_request(mut stream: TcpStream) {
Dec 04 18:26:15.227 INFO [stderr]    |                   ----^^^^^^
Dec 04 18:26:15.227 INFO [stderr]    |                   |
Dec 04 18:26:15.227 INFO [stderr]    |                   help: remove this `mut`
Dec 04 18:26:15.227 INFO [stderr]    |
Dec 04 18:26:15.227 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 18:26:15.227 INFO [stderr] 
Dec 04 18:26:15.227 INFO [stderr] warning: crate `Server` should have a snake case name such as `server`
Dec 04 18:26:15.227 INFO [stderr]   |
Dec 04 18:26:15.227 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 18:26:15.227 INFO [stderr] 
Dec 04 18:26:15.251 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:26:15.251 INFO [stderr]   --> src/main.rs:36:19
Dec 04 18:26:15.251 INFO [stderr]    |
Dec 04 18:26:15.251 INFO [stderr] 36 | fn handle_request(mut stream: TcpStream) {
Dec 04 18:26:15.251 INFO [stderr]    |                   ----^^^^^^
Dec 04 18:26:15.251 INFO [stderr]    |                   |
Dec 04 18:26:15.251 INFO [stderr]    |                   help: remove this `mut`
Dec 04 18:26:15.251 INFO [stderr]    |
Dec 04 18:26:15.251 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 18:26:15.251 INFO [stderr] 
Dec 04 18:26:15.251 INFO [stderr] warning: crate `Server` should have a snake case name such as `server`
Dec 04 18:26:15.251 INFO [stderr]   |
Dec 04 18:26:15.251 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 18:26:15.251 INFO [stderr] 
Dec 04 18:26:15.299 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 04 18:26:15.302 INFO [stderr] su: No module specific data is present
Dec 04 18:26:16.363 INFO running `"docker" "inspect" "8dc03eb78187bd152206e895f4496083692a63d3d3db0412910f27e7d8126cba"`
Dec 04 18:26:16.652 INFO running `"docker" "rm" "-f" "8dc03eb78187bd152206e895f4496083692a63d3d3db0412910f27e7d8126cba"`
Dec 04 18:26:16.887 INFO [stdout] 8dc03eb78187bd152206e895f4496083692a63d3d3db0412910f27e7d8126cba