Dec 17 21:19:18.461 INFO checking knknkn1162/rust_server_test against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:19:18.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/knknkn1162/rust_server_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:19:18.939 INFO [stdout] f06839d0f3f596d2a81f3125541faab23658694bdb73b0414014ea8f9f40808b
Dec 17 21:19:18.947 INFO running `"docker" "start" "-a" "f06839d0f3f596d2a81f3125541faab23658694bdb73b0414014ea8f9f40808b"`
Dec 17 21:19:20.172 INFO [stderr]     Checking memchr v1.0.2
Dec 17 21:19:20.172 INFO [stderr]     Checking tokio-io v0.1.4
Dec 17 21:19:20.453 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 21:19:21.116 INFO [stderr]     Checking regex v0.2.2
Dec 17 21:19:21.199 INFO [stderr]     Checking tokio-core v0.1.10
Dec 17 21:19:22.498 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 17 21:19:23.548 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 21:19:24.952 INFO [stderr]     Checking simple_line v0.1.0 (/opt/crater/workdir)
Dec 17 21:19:25.340 INFO [stderr] warning: unused import: `Future`
Dec 17 21:19:25.340 INFO [stderr]   --> src/main.rs:16:23
Dec 17 21:19:25.340 INFO [stderr]    |
Dec 17 21:19:25.340 INFO [stderr] 16 | use futures::{future, Future};
Dec 17 21:19:25.340 INFO [stderr]    |                       ^^^^^^
Dec 17 21:19:25.340 INFO [stderr]    |
Dec 17 21:19:25.340 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:19:25.340 INFO [stderr] 
Dec 17 21:19:25.364 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:19:25.364 INFO [stderr]    --> src/main.rs:151:9
Dec 17 21:19:25.364 INFO [stderr]     |
Dec 17 21:19:25.364 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Dec 17 21:19:25.364 INFO [stderr]     |         ----^^^^^^
Dec 17 21:19:25.364 INFO [stderr]     |         |
Dec 17 21:19:25.364 INFO [stderr]     |         help: remove this `mut`
Dec 17 21:19:25.364 INFO [stderr]     |
Dec 17 21:19:25.364 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 21:19:25.364 INFO [stderr] 
Dec 17 21:19:25.385 INFO [stderr] warning: unused import: `Future`
Dec 17 21:19:25.385 INFO [stderr]   --> src/main.rs:16:23
Dec 17 21:19:25.385 INFO [stderr]    |
Dec 17 21:19:25.385 INFO [stderr] 16 | use futures::{future, Future};
Dec 17 21:19:25.385 INFO [stderr]    |                       ^^^^^^
Dec 17 21:19:25.385 INFO [stderr]    |
Dec 17 21:19:25.385 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:19:25.385 INFO [stderr] 
Dec 17 21:19:25.412 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:19:25.412 INFO [stderr]    --> src/main.rs:151:9
Dec 17 21:19:25.412 INFO [stderr]     |
Dec 17 21:19:25.412 INFO [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
Dec 17 21:19:25.412 INFO [stderr]     |         ----^^^^^^
Dec 17 21:19:25.412 INFO [stderr]     |         |
Dec 17 21:19:25.412 INFO [stderr]     |         help: remove this `mut`
Dec 17 21:19:25.412 INFO [stderr]     |
Dec 17 21:19:25.412 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 21:19:25.412 INFO [stderr] 
Dec 17 21:19:25.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
Dec 17 21:19:25.866 INFO running `"docker" "inspect" "f06839d0f3f596d2a81f3125541faab23658694bdb73b0414014ea8f9f40808b"`
Dec 17 21:19:26.026 INFO running `"docker" "rm" "-f" "f06839d0f3f596d2a81f3125541faab23658694bdb73b0414014ea8f9f40808b"`
Dec 17 21:19:26.193 INFO [stdout] f06839d0f3f596d2a81f3125541faab23658694bdb73b0414014ea8f9f40808b