Nov 29 23:57:00.458 INFO checking knknkn1162/rust_server_test against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 23:57:00.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 23:57:00.693 INFO [stdout] 949fb09188e54686b6868b20ef20f05c0b2309822f1d562ddbe4a5bcfac3fcdb
Nov 29 23:57:00.698 INFO running `"docker" "start" "-a" "949fb09188e54686b6868b20ef20f05c0b2309822f1d562ddbe4a5bcfac3fcdb"`
Nov 29 23:57:01.214 INFO [stderr] usermod: no changes
Nov 29 23:57:01.364 INFO [stderr]     Checking env_logger v0.4.3
Nov 29 23:57:01.364 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 29 23:57:03.730 INFO [stderr]     Checking simple_line v0.1.0 (/source)
Nov 29 23:57:04.888 INFO [stderr] warning: unused import: `Future`
Nov 29 23:57:04.888 INFO [stderr]   --> src/main.rs:16:23
Nov 29 23:57:04.888 INFO [stderr]    |
Nov 29 23:57:04.888 INFO [stderr] 16 | use futures::{future, Future};
Nov 29 23:57:04.888 INFO [stderr]    |                       ^^^^^^
Nov 29 23:57:04.888 INFO [stderr]    |
Nov 29 23:57:04.888 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 23:57:04.888 INFO [stderr] 
Nov 29 23:57:04.916 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:57:04.916 INFO [stderr]    --> src/main.rs:151:9
Nov 29 23:57:04.916 INFO [stderr]     |
Nov 29 23:57:04.916 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Nov 29 23:57:04.916 INFO [stderr]     |         ----^^^^^^
Nov 29 23:57:04.916 INFO [stderr]     |         |
Nov 29 23:57:04.916 INFO [stderr]     |         help: remove this `mut`
Nov 29 23:57:04.916 INFO [stderr]     |
Nov 29 23:57:04.916 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 23:57:04.916 INFO [stderr] 
Nov 29 23:57:04.979 INFO [stderr] warning: unused import: `Future`
Nov 29 23:57:04.979 INFO [stderr]   --> src/main.rs:16:23
Nov 29 23:57:04.979 INFO [stderr]    |
Nov 29 23:57:04.979 INFO [stderr] 16 | use futures::{future, Future};
Nov 29 23:57:04.979 INFO [stderr]    |                       ^^^^^^
Nov 29 23:57:04.979 INFO [stderr]    |
Nov 29 23:57:04.979 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 23:57:04.979 INFO [stderr] 
Nov 29 23:57:05.012 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:57:05.012 INFO [stderr]    --> src/main.rs:151:9
Nov 29 23:57:05.012 INFO [stderr]     |
Nov 29 23:57:05.012 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Nov 29 23:57:05.012 INFO [stderr]     |         ----^^^^^^
Nov 29 23:57:05.012 INFO [stderr]     |         |
Nov 29 23:57:05.012 INFO [stderr]     |         help: remove this `mut`
Nov 29 23:57:05.012 INFO [stderr]     |
Nov 29 23:57:05.012 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 23:57:05.012 INFO [stderr] 
Nov 29 23:57:05.033 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
Nov 29 23:57:05.039 INFO [stderr] su: No module specific data is present
Nov 29 23:57:06.026 INFO running `"docker" "inspect" "949fb09188e54686b6868b20ef20f05c0b2309822f1d562ddbe4a5bcfac3fcdb"`
Nov 29 23:57:06.338 INFO running `"docker" "rm" "-f" "949fb09188e54686b6868b20ef20f05c0b2309822f1d562ddbe4a5bcfac3fcdb"`
Nov 29 23:57:06.686 INFO [stdout] 949fb09188e54686b6868b20ef20f05c0b2309822f1d562ddbe4a5bcfac3fcdb