Dec 19 16:28:30.689 INFO checking gmbeard/twister against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:28:30.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:28:31.243 INFO [stdout] bb88d92fa4aabd580fa4b71090a984b52ff2681abd9652e73a137e7c275d3ee2
Dec 19 16:28:31.245 INFO running `"docker" "start" "-a" "bb88d92fa4aabd580fa4b71090a984b52ff2681abd9652e73a137e7c275d3ee2"`
Dec 19 16:28:32.820 INFO [stderr]     Checking libc v0.2.33
Dec 19 16:28:32.820 INFO [stderr]     Checking twister_http v0.1.0 (/opt/crater/workdir/twister_http)
Dec 19 16:28:32.820 INFO [stderr]     Checking thread_local v0.3.4
Dec 19 16:28:33.240 INFO [stderr]     Checking twister_core v0.1.0 (/opt/crater/workdir/twister_core)
Dec 19 16:28:34.312 INFO [stderr]     Checking memchr v1.0.2
Dec 19 16:28:34.588 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 16:28:35.169 INFO [stderr]     Checking regex v0.2.2
Dec 19 16:28:37.100 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 16:28:37.521 INFO [stderr]     Checking twister v0.1.0 (/opt/crater/workdir)
Dec 19 16:28:37.891 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:28:37.891 INFO [stderr]   --> src/main.rs:21:17
Dec 19 16:28:37.891 INFO [stderr]    |
Dec 19 16:28:37.891 INFO [stderr] 21 |             let mut s = TcpStream::connect(dest).unwrap();
Dec 19 16:28:37.891 INFO [stderr]    |                 ----^
Dec 19 16:28:37.891 INFO [stderr]    |                 |
Dec 19 16:28:37.891 INFO [stderr]    |                 help: remove this `mut`
Dec 19 16:28:37.891 INFO [stderr]    |
Dec 19 16:28:37.891 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:28:37.891 INFO [stderr] 
Dec 19 16:28:37.948 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:28:37.948 INFO [stderr]   --> src/main.rs:21:17
Dec 19 16:28:37.948 INFO [stderr]    |
Dec 19 16:28:37.948 INFO [stderr] 21 |             let mut s = TcpStream::connect(dest).unwrap();
Dec 19 16:28:37.948 INFO [stderr]    |                 ----^
Dec 19 16:28:37.948 INFO [stderr]    |                 |
Dec 19 16:28:37.948 INFO [stderr]    |                 help: remove this `mut`
Dec 19 16:28:37.948 INFO [stderr]    |
Dec 19 16:28:37.948 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:28:37.948 INFO [stderr] 
Dec 19 16:28:37.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
Dec 19 16:28:38.670 INFO running `"docker" "inspect" "bb88d92fa4aabd580fa4b71090a984b52ff2681abd9652e73a137e7c275d3ee2"`
Dec 19 16:28:38.976 INFO running `"docker" "rm" "-f" "bb88d92fa4aabd580fa4b71090a984b52ff2681abd9652e73a137e7c275d3ee2"`
Dec 19 16:28:39.246 INFO [stdout] bb88d92fa4aabd580fa4b71090a984b52ff2681abd9652e73a137e7c275d3ee2