Nov 29 20:19:05.351 INFO checking privatemani/basic_server against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 20:19:05.351 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 20:19:05.712 INFO [stdout] 835074106e3c8c2e1ef5afa68282a0f00cef43a0035fe5e476feac0eafa02769
Nov 29 20:19:05.714 INFO running `"docker" "start" "-a" "835074106e3c8c2e1ef5afa68282a0f00cef43a0035fe5e476feac0eafa02769"`
Nov 29 20:19:06.684 INFO [stderr] usermod: no changes
Nov 29 20:19:06.756 INFO [stderr]     Checking network_server v0.1.0 (/source)
Nov 29 20:19:07.056 INFO [stderr] warning: unused import: `TcpStream`
Nov 29 20:19:07.056 INFO [stderr]  --> src/main.rs:1:16
Nov 29 20:19:07.056 INFO [stderr]   |
Nov 29 20:19:07.056 INFO [stderr] 1 | use std::net::{TcpStream, TcpListener};
Nov 29 20:19:07.056 INFO [stderr]   |                ^^^^^^^^^
Nov 29 20:19:07.056 INFO [stderr]   |
Nov 29 20:19:07.056 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 20:19:07.056 INFO [stderr] 
Nov 29 20:19:07.056 INFO [stderr] warning: unused import: `Read`
Nov 29 20:19:07.056 INFO [stderr]  --> src/main.rs:2:22
Nov 29 20:19:07.056 INFO [stderr]   |
Nov 29 20:19:07.056 INFO [stderr] 2 | use std::io::{Write, Read};
Nov 29 20:19:07.056 INFO [stderr]   |                      ^^^^
Nov 29 20:19:07.056 INFO [stderr] 
Nov 29 20:19:07.056 INFO [stderr] warning: unused import: `std::net::Shutdown`
Nov 29 20:19:07.056 INFO [stderr]  --> src/main.rs:3:5
Nov 29 20:19:07.056 INFO [stderr]   |
Nov 29 20:19:07.056 INFO [stderr] 3 | use std::net::Shutdown;
Nov 29 20:19:07.056 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 29 20:19:07.056 INFO [stderr] 
Nov 29 20:19:07.114 INFO [stderr] warning: unused import: `TcpStream`
Nov 29 20:19:07.114 INFO [stderr]  --> src/main.rs:1:16
Nov 29 20:19:07.114 INFO [stderr]   |
Nov 29 20:19:07.114 INFO [stderr] 1 | use std::net::{TcpStream, TcpListener};
Nov 29 20:19:07.114 INFO [stderr]   |                ^^^^^^^^^
Nov 29 20:19:07.114 INFO [stderr]   |
Nov 29 20:19:07.114 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 20:19:07.114 INFO [stderr] 
Nov 29 20:19:07.114 INFO [stderr] warning: unused import: `Read`
Nov 29 20:19:07.114 INFO [stderr]  --> src/main.rs:2:22
Nov 29 20:19:07.114 INFO [stderr]   |
Nov 29 20:19:07.114 INFO [stderr] 2 | use std::io::{Write, Read};
Nov 29 20:19:07.114 INFO [stderr]   |                      ^^^^
Nov 29 20:19:07.114 INFO [stderr] 
Nov 29 20:19:07.114 INFO [stderr] warning: unused import: `std::net::Shutdown`
Nov 29 20:19:07.115 INFO [stderr]  --> src/main.rs:3:5
Nov 29 20:19:07.115 INFO [stderr]   |
Nov 29 20:19:07.115 INFO [stderr] 3 | use std::net::Shutdown;
Nov 29 20:19:07.115 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 29 20:19:07.115 INFO [stderr] 
Nov 29 20:19:07.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Nov 29 20:19:07.176 INFO [stderr] su: No module specific data is present
Nov 29 20:19:07.754 INFO running `"docker" "inspect" "835074106e3c8c2e1ef5afa68282a0f00cef43a0035fe5e476feac0eafa02769"`
Nov 29 20:19:08.188 INFO running `"docker" "rm" "-f" "835074106e3c8c2e1ef5afa68282a0f00cef43a0035fe5e476feac0eafa02769"`
Nov 29 20:19:08.525 INFO [stdout] 835074106e3c8c2e1ef5afa68282a0f00cef43a0035fe5e476feac0eafa02769