Dec 04 15:41:49.392 INFO checking knknkn1162/rust_server_test against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:41:49.392 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15:41:49.706 INFO [stdout] 414170a3ba897882a0b3b8d8046d5c2821875d8ebeb601845dc556c774bb6ec1
Dec 04 15:41:49.706 INFO running `"docker" "start" "-a" "414170a3ba897882a0b3b8d8046d5c2821875d8ebeb601845dc556c774bb6ec1"`
Dec 04 15:41:50.535 INFO [stderr] usermod: no changes
Dec 04 15:41:50.635 INFO [stderr]     Checking tokio-io v0.1.4
Dec 04 15:41:50.635 INFO [stderr]     Checking regex v0.2.2
Dec 04 15:41:51.739 INFO [stderr]     Checking tokio-core v0.1.10
Dec 04 15:41:53.903 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 15:41:53.975 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 15:41:56.087 INFO [stderr]     Checking simple_line v0.1.0 (/source)
Dec 04 15:41:57.375 INFO [stderr] warning: unused import: `Future`
Dec 04 15:41:57.375 INFO [stderr]   --> src/main.rs:16:23
Dec 04 15:41:57.376 INFO [stderr]    |
Dec 04 15:41:57.376 INFO [stderr] 16 | use futures::{future, Future};
Dec 04 15:41:57.376 INFO [stderr]    |                       ^^^^^^
Dec 04 15:41:57.376 INFO [stderr]    |
Dec 04 15:41:57.377 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 15:41:57.377 INFO [stderr] 
Dec 04 15:41:57.419 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:41:57.419 INFO [stderr]    --> src/main.rs:151:9
Dec 04 15:41:57.419 INFO [stderr]     |
Dec 04 15:41:57.420 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Dec 04 15:41:57.420 INFO [stderr]     |         ----^^^^^^
Dec 04 15:41:57.420 INFO [stderr]     |         |
Dec 04 15:41:57.420 INFO [stderr]     |         help: remove this `mut`
Dec 04 15:41:57.421 INFO [stderr]     |
Dec 04 15:41:57.421 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 15:41:57.421 INFO [stderr] 
Dec 04 15:41:57.474 INFO [stderr] warning: unused import: `Future`
Dec 04 15:41:57.474 INFO [stderr]   --> src/main.rs:16:23
Dec 04 15:41:57.475 INFO [stderr]    |
Dec 04 15:41:57.475 INFO [stderr] 16 | use futures::{future, Future};
Dec 04 15:41:57.475 INFO [stderr]    |                       ^^^^^^
Dec 04 15:41:57.476 INFO [stderr]    |
Dec 04 15:41:57.476 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 15:41:57.476 INFO [stderr] 
Dec 04 15:41:57.527 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:41:57.527 INFO [stderr]    --> src/main.rs:151:9
Dec 04 15:41:57.527 INFO [stderr]     |
Dec 04 15:41:57.527 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Dec 04 15:41:57.527 INFO [stderr]     |         ----^^^^^^
Dec 04 15:41:57.527 INFO [stderr]     |         |
Dec 04 15:41:57.527 INFO [stderr]     |         help: remove this `mut`
Dec 04 15:41:57.527 INFO [stderr]     |
Dec 04 15:41:57.527 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 15:41:57.527 INFO [stderr] 
Dec 04 15:41:57.563 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
Dec 04 15:41:57.583 INFO [stderr] su: No module specific data is present
Dec 04 15:41:58.899 INFO running `"docker" "inspect" "414170a3ba897882a0b3b8d8046d5c2821875d8ebeb601845dc556c774bb6ec1"`
Dec 04 15:41:59.267 INFO running `"docker" "rm" "-f" "414170a3ba897882a0b3b8d8046d5c2821875d8ebeb601845dc556c774bb6ec1"`
Dec 04 15:41:59.648 INFO [stdout] 414170a3ba897882a0b3b8d8046d5c2821875d8ebeb601845dc556c774bb6ec1