Dec 17 23:41:39.017 INFO checking gmbeard/twister against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:41:39.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/gmbeard/twister:/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 23:41:39.586 INFO [stdout] 499f03b012d6a7f658337607d3eceace7f7292e221e42dc4939f41a3006caae0
Dec 17 23:41:39.588 INFO running `"docker" "start" "-a" "499f03b012d6a7f658337607d3eceace7f7292e221e42dc4939f41a3006caae0"`
Dec 17 23:41:41.248 INFO [stderr]     Checking twister_http v0.1.0 (/opt/crater/workdir/twister_http)
Dec 17 23:41:41.248 INFO [stderr]     Checking regex v0.2.2
Dec 17 23:41:41.787 INFO [stderr]     Checking twister_core v0.1.0 (/opt/crater/workdir/twister_core)
Dec 17 23:41:44.072 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 23:41:44.584 INFO [stderr]     Checking twister v0.1.0 (/opt/crater/workdir)
Dec 17 23:41:44.924 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:41:44.924 INFO [stderr]   --> src/main.rs:21:17
Dec 17 23:41:44.924 INFO [stderr]    |
Dec 17 23:41:44.924 INFO [stderr] 21 |             let mut s = TcpStream::connect(dest).unwrap();
Dec 17 23:41:44.924 INFO [stderr]    |                 ----^
Dec 17 23:41:44.924 INFO [stderr]    |                 |
Dec 17 23:41:44.924 INFO [stderr]    |                 help: remove this `mut`
Dec 17 23:41:44.924 INFO [stderr]    |
Dec 17 23:41:44.924 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:41:44.924 INFO [stderr] 
Dec 17 23:41:45.196 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:41:45.196 INFO [stderr]   --> src/main.rs:21:17
Dec 17 23:41:45.196 INFO [stderr]    |
Dec 17 23:41:45.196 INFO [stderr] 21 |             let mut s = TcpStream::connect(dest).unwrap();
Dec 17 23:41:45.196 INFO [stderr]    |                 ----^
Dec 17 23:41:45.196 INFO [stderr]    |                 |
Dec 17 23:41:45.196 INFO [stderr]    |                 help: remove this `mut`
Dec 17 23:41:45.196 INFO [stderr]    |
Dec 17 23:41:45.196 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:41:45.196 INFO [stderr] 
Dec 17 23:41:45.249 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
Dec 17 23:41:46.293 INFO running `"docker" "inspect" "499f03b012d6a7f658337607d3eceace7f7292e221e42dc4939f41a3006caae0"`
Dec 17 23:41:46.608 INFO running `"docker" "rm" "-f" "499f03b012d6a7f658337607d3eceace7f7292e221e42dc4939f41a3006caae0"`
Dec 17 23:41:47.008 INFO [stdout] 499f03b012d6a7f658337607d3eceace7f7292e221e42dc4939f41a3006caae0