Dec 11 11:37:21.477 INFO checking privatemani/basic_server against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:37:21.478 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 11:37:21.969 INFO [stdout] 8aae104f58aa799496abfbee68ebafb106206e9d23c295f3538be9e518d5bb85
Dec 11 11:37:21.970 INFO running `"docker" "start" "-a" "8aae104f58aa799496abfbee68ebafb106206e9d23c295f3538be9e518d5bb85"`
Dec 11 11:37:23.072 INFO [stderr] usermod: no changes
Dec 11 11:37:23.107 INFO [stderr]     Checking network_server v0.1.0 (/source)
Dec 11 11:37:23.392 INFO [stderr] warning: unused import: `TcpStream`
Dec 11 11:37:23.392 INFO [stderr]  --> src/main.rs:1:16
Dec 11 11:37:23.392 INFO [stderr]   |
Dec 11 11:37:23.392 INFO [stderr] 1 | use std::net::{TcpStream, TcpListener};
Dec 11 11:37:23.392 INFO [stderr]   |                ^^^^^^^^^
Dec 11 11:37:23.392 INFO [stderr]   |
Dec 11 11:37:23.392 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:37:23.392 INFO [stderr] 
Dec 11 11:37:23.392 INFO [stderr] warning: unused import: `Read`
Dec 11 11:37:23.392 INFO [stderr]  --> src/main.rs:2:22
Dec 11 11:37:23.392 INFO [stderr]   |
Dec 11 11:37:23.392 INFO [stderr] 2 | use std::io::{Write, Read};
Dec 11 11:37:23.392 INFO [stderr]   |                      ^^^^
Dec 11 11:37:23.392 INFO [stderr] 
Dec 11 11:37:23.392 INFO [stderr] warning: unused import: `std::net::Shutdown`
Dec 11 11:37:23.392 INFO [stderr]  --> src/main.rs:3:5
Dec 11 11:37:23.392 INFO [stderr]   |
Dec 11 11:37:23.392 INFO [stderr] 3 | use std::net::Shutdown;
Dec 11 11:37:23.392 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 11:37:23.392 INFO [stderr] 
Dec 11 11:37:23.465 INFO [stderr] warning: unused import: `TcpStream`
Dec 11 11:37:23.465 INFO [stderr]  --> src/main.rs:1:16
Dec 11 11:37:23.465 INFO [stderr]   |
Dec 11 11:37:23.465 INFO [stderr] 1 | use std::net::{TcpStream, TcpListener};
Dec 11 11:37:23.465 INFO [stderr]   |                ^^^^^^^^^
Dec 11 11:37:23.465 INFO [stderr]   |
Dec 11 11:37:23.465 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:37:23.465 INFO [stderr] 
Dec 11 11:37:23.465 INFO [stderr] warning: unused import: `Read`
Dec 11 11:37:23.465 INFO [stderr]  --> src/main.rs:2:22
Dec 11 11:37:23.465 INFO [stderr]   |
Dec 11 11:37:23.465 INFO [stderr] 2 | use std::io::{Write, Read};
Dec 11 11:37:23.465 INFO [stderr]   |                      ^^^^
Dec 11 11:37:23.465 INFO [stderr] 
Dec 11 11:37:23.465 INFO [stderr] warning: unused import: `std::net::Shutdown`
Dec 11 11:37:23.465 INFO [stderr]  --> src/main.rs:3:5
Dec 11 11:37:23.465 INFO [stderr]   |
Dec 11 11:37:23.465 INFO [stderr] 3 | use std::net::Shutdown;
Dec 11 11:37:23.465 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 11:37:23.465 INFO [stderr] 
Dec 11 11:37:23.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 11 11:37:23.528 INFO [stderr] su: No module specific data is present
Dec 11 11:37:24.214 INFO running `"docker" "inspect" "8aae104f58aa799496abfbee68ebafb106206e9d23c295f3538be9e518d5bb85"`
Dec 11 11:37:24.535 INFO running `"docker" "rm" "-f" "8aae104f58aa799496abfbee68ebafb106206e9d23c295f3538be9e518d5bb85"`
Dec 11 11:37:24.796 INFO [stdout] 8aae104f58aa799496abfbee68ebafb106206e9d23c295f3538be9e518d5bb85