Dec 17 21:53:27.665 INFO checking justinbarclay/ArpPoison against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:53:27.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/justinbarclay/ArpPoison:/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 21:53:28.055 INFO [stdout] 7efcfeeb25d25e71bbf293f3d602915147f00c878ef5b7bbd1d296d939d0cb35
Dec 17 21:53:28.060 INFO running `"docker" "start" "-a" "7efcfeeb25d25e71bbf293f3d602915147f00c878ef5b7bbd1d296d939d0cb35"`
Dec 17 21:53:29.851 INFO [stderr]     Checking pnet_base v0.20.0
Dec 17 21:53:29.851 INFO [stderr]     Checking ipnetwork v0.12.7
Dec 17 21:53:29.851 INFO [stderr]    Compiling pnet v0.20.0
Dec 17 21:53:29.856 INFO [stderr]    Compiling memchr v1.0.2
Dec 17 21:53:29.857 INFO [stderr]     Checking pnet_sys v0.20.0
Dec 17 21:53:29.857 INFO [stderr]    Compiling syntex_errors v0.42.0
Dec 17 21:53:30.985 INFO [stderr]     Checking pnet_macros_support v0.20.0
Dec 17 21:53:31.506 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 17 21:53:31.878 INFO [stderr]     Checking pnet_datalink v0.20.0
Dec 17 21:53:33.921 INFO [stderr]    Compiling regex v0.2.2
Dec 17 21:53:36.754 INFO [stderr]    Compiling syntex_syntax v0.42.0
Dec 17 21:54:26.641 INFO [stderr]    Compiling syntex v0.42.2
Dec 17 21:54:27.732 INFO [stderr]    Compiling pnet_macros v0.20.0
Dec 17 21:54:29.845 INFO [stderr]    Compiling pnet_packet v0.20.0
Dec 17 21:54:41.627 INFO [stderr]     Checking pnet_transport v0.20.0
Dec 17 21:54:42.130 INFO [stderr]     Checking arp v0.1.0 (/opt/crater/workdir)
Dec 17 21:54:42.452 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:54:42.452 INFO [stderr]   --> src/main.rs:43:27
Dec 17 21:54:42.452 INFO [stderr]    |
Dec 17 21:54:42.452 INFO [stderr] 43 |                     &mut |mut new_packet| {
Dec 17 21:54:42.452 INFO [stderr]    |                           ----^^^^^^^^^^
Dec 17 21:54:42.452 INFO [stderr]    |                           |
Dec 17 21:54:42.452 INFO [stderr]    |                           help: remove this `mut`
Dec 17 21:54:42.452 INFO [stderr]    |
Dec 17 21:54:42.452 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:54:42.452 INFO [stderr] 
Dec 17 21:54:42.500 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:54:42.500 INFO [stderr]   --> src/main.rs:43:27
Dec 17 21:54:42.500 INFO [stderr]    |
Dec 17 21:54:42.500 INFO [stderr] 43 |                     &mut |mut new_packet| {
Dec 17 21:54:42.500 INFO [stderr]    |                           ----^^^^^^^^^^
Dec 17 21:54:42.500 INFO [stderr]    |                           |
Dec 17 21:54:42.500 INFO [stderr]    |                           help: remove this `mut`
Dec 17 21:54:42.500 INFO [stderr]    |
Dec 17 21:54:42.500 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:54:42.500 INFO [stderr] 
Dec 17 21:54:42.530 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
Dec 17 21:54:43.090 INFO running `"docker" "inspect" "7efcfeeb25d25e71bbf293f3d602915147f00c878ef5b7bbd1d296d939d0cb35"`
Dec 17 21:54:43.438 INFO running `"docker" "rm" "-f" "7efcfeeb25d25e71bbf293f3d602915147f00c878ef5b7bbd1d296d939d0cb35"`
Dec 17 21:54:43.705 INFO [stdout] 7efcfeeb25d25e71bbf293f3d602915147f00c878ef5b7bbd1d296d939d0cb35