Dec 04 12:12:10.632 INFO checking privatemani/basic_server against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:12:10.632 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12:12:11.187 INFO [stdout] afa46bd087fd390d6d60e9e7c1c41aaf47cf3a1ad189304e9803c5f8ec137474
Dec 04 12:12:11.193 INFO running `"docker" "start" "-a" "afa46bd087fd390d6d60e9e7c1c41aaf47cf3a1ad189304e9803c5f8ec137474"`
Dec 04 12:12:12.328 INFO [stderr] usermod: no changes
Dec 04 12:12:12.383 INFO [stderr]     Checking network_server v0.1.0 (/source)
Dec 04 12:12:12.563 INFO [stderr] warning: unused import: `TcpStream`
Dec 04 12:12:12.563 INFO [stderr]  --> src/main.rs:1:16
Dec 04 12:12:12.563 INFO [stderr]   |
Dec 04 12:12:12.563 INFO [stderr] 1 | use std::net::{TcpStream, TcpListener};
Dec 04 12:12:12.563 INFO [stderr]   |                ^^^^^^^^^
Dec 04 12:12:12.563 INFO [stderr]   |
Dec 04 12:12:12.563 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:12:12.563 INFO [stderr] 
Dec 04 12:12:12.563 INFO [stderr] warning: unused import: `Read`
Dec 04 12:12:12.563 INFO [stderr]  --> src/main.rs:2:22
Dec 04 12:12:12.563 INFO [stderr]   |
Dec 04 12:12:12.563 INFO [stderr] 2 | use std::io::{Write, Read};
Dec 04 12:12:12.563 INFO [stderr]   |                      ^^^^
Dec 04 12:12:12.563 INFO [stderr] 
Dec 04 12:12:12.563 INFO [stderr] warning: unused import: `std::net::Shutdown`
Dec 04 12:12:12.563 INFO [stderr]  --> src/main.rs:3:5
Dec 04 12:12:12.563 INFO [stderr]   |
Dec 04 12:12:12.563 INFO [stderr] 3 | use std::net::Shutdown;
Dec 04 12:12:12.563 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 12:12:12.563 INFO [stderr] 
Dec 04 12:12:12.719 INFO [stderr] warning: unused import: `TcpStream`
Dec 04 12:12:12.719 INFO [stderr]  --> src/main.rs:1:16
Dec 04 12:12:12.719 INFO [stderr]   |
Dec 04 12:12:12.719 INFO [stderr] 1 | use std::net::{TcpStream, TcpListener};
Dec 04 12:12:12.719 INFO [stderr]   |                ^^^^^^^^^
Dec 04 12:12:12.719 INFO [stderr]   |
Dec 04 12:12:12.719 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:12:12.719 INFO [stderr] 
Dec 04 12:12:12.719 INFO [stderr] warning: unused import: `Read`
Dec 04 12:12:12.719 INFO [stderr]  --> src/main.rs:2:22
Dec 04 12:12:12.719 INFO [stderr]   |
Dec 04 12:12:12.719 INFO [stderr] 2 | use std::io::{Write, Read};
Dec 04 12:12:12.719 INFO [stderr]   |                      ^^^^
Dec 04 12:12:12.719 INFO [stderr] 
Dec 04 12:12:12.719 INFO [stderr] warning: unused import: `std::net::Shutdown`
Dec 04 12:12:12.719 INFO [stderr]  --> src/main.rs:3:5
Dec 04 12:12:12.719 INFO [stderr]   |
Dec 04 12:12:12.719 INFO [stderr] 3 | use std::net::Shutdown;
Dec 04 12:12:12.719 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 12:12:12.719 INFO [stderr] 
Dec 04 12:12:12.803 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 04 12:12:12.803 INFO [stderr] su: No module specific data is present
Dec 04 12:12:13.567 INFO running `"docker" "inspect" "afa46bd087fd390d6d60e9e7c1c41aaf47cf3a1ad189304e9803c5f8ec137474"`
Dec 04 12:12:13.813 INFO running `"docker" "rm" "-f" "afa46bd087fd390d6d60e9e7c1c41aaf47cf3a1ad189304e9803c5f8ec137474"`
Dec 04 12:12:14.166 INFO [stdout] afa46bd087fd390d6d60e9e7c1c41aaf47cf3a1ad189304e9803c5f8ec137474