Dec 04 15:41:49.514 INFO checking knknkn1162/rust_server_test against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:41:49.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 15:41:49.785 INFO [stdout] 0582fefc438e863c9b3a61891771369b1b87da73edc84fec73201eb7b1cb2360
Dec 04 15:41:49.789 INFO running `"docker" "start" "-a" "0582fefc438e863c9b3a61891771369b1b87da73edc84fec73201eb7b1cb2360"`
Dec 04 15:41:50.561 INFO [stderr] usermod: no changes
Dec 04 15:41:50.670 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 15:41:51.339 INFO [stderr]     Checking simple_line v0.1.0 (/source)
Dec 04 15:41:53.387 INFO [stderr] warning: unused import: `Future`
Dec 04 15:41:53.387 INFO [stderr]   --> src/main.rs:16:23
Dec 04 15:41:53.387 INFO [stderr]    |
Dec 04 15:41:53.387 INFO [stderr] 16 | use futures::{future, Future};
Dec 04 15:41:53.387 INFO [stderr]    |                       ^^^^^^
Dec 04 15:41:53.387 INFO [stderr]    |
Dec 04 15:41:53.387 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 15:41:53.387 INFO [stderr] 
Dec 04 15:41:53.439 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:41:53.439 INFO [stderr]    --> src/main.rs:151:9
Dec 04 15:41:53.439 INFO [stderr]     |
Dec 04 15:41:53.439 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Dec 04 15:41:53.439 INFO [stderr]     |         ----^^^^^^
Dec 04 15:41:53.439 INFO [stderr]     |         |
Dec 04 15:41:53.439 INFO [stderr]     |         help: remove this `mut`
Dec 04 15:41:53.439 INFO [stderr]     |
Dec 04 15:41:53.439 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 15:41:53.439 INFO [stderr] 
Dec 04 15:41:53.487 INFO [stderr] warning: unused import: `Future`
Dec 04 15:41:53.487 INFO [stderr]   --> src/main.rs:16:23
Dec 04 15:41:53.487 INFO [stderr]    |
Dec 04 15:41:53.487 INFO [stderr] 16 | use futures::{future, Future};
Dec 04 15:41:53.487 INFO [stderr]    |                       ^^^^^^
Dec 04 15:41:53.487 INFO [stderr]    |
Dec 04 15:41:53.487 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 15:41:53.487 INFO [stderr] 
Dec 04 15:41:53.527 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:41:53.527 INFO [stderr]    --> src/main.rs:151:9
Dec 04 15:41:53.527 INFO [stderr]     |
Dec 04 15:41:53.527 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Dec 04 15:41:53.527 INFO [stderr]     |         ----^^^^^^
Dec 04 15:41:53.527 INFO [stderr]     |         |
Dec 04 15:41:53.527 INFO [stderr]     |         help: remove this `mut`
Dec 04 15:41:53.527 INFO [stderr]     |
Dec 04 15:41:53.527 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 15:41:53.527 INFO [stderr] 
Dec 04 15:41:53.555 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Dec 04 15:41:53.560 INFO [stderr] su: No module specific data is present
Dec 04 15:41:54.083 INFO running `"docker" "inspect" "0582fefc438e863c9b3a61891771369b1b87da73edc84fec73201eb7b1cb2360"`
Dec 04 15:41:54.174 INFO running `"docker" "rm" "-f" "0582fefc438e863c9b3a61891771369b1b87da73edc84fec73201eb7b1cb2360"`
Dec 04 15:41:54.412 INFO [stdout] 0582fefc438e863c9b3a61891771369b1b87da73edc84fec73201eb7b1cb2360