Dec 11 15:54:46.969 INFO checking justinbarclay/ArpPoison against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:54:46.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 15:54:47.400 INFO [stdout] 8d2eba318cde3c9a5fa7c8d2a39abad0012baf6a4c4d0db485a79cdd1306628e
Dec 11 15:54:47.404 INFO running `"docker" "start" "-a" "8d2eba318cde3c9a5fa7c8d2a39abad0012baf6a4c4d0db485a79cdd1306628e"`
Dec 11 15:54:49.448 INFO [stderr] usermod: no changes
Dec 11 15:54:49.636 INFO [stderr]    Compiling unicode-xid v0.0.3
Dec 11 15:54:49.636 INFO [stderr]    Compiling bitflags v0.5.0
Dec 11 15:54:49.648 INFO [stderr]     Checking pnet_base v0.20.0
Dec 11 15:54:49.648 INFO [stderr]    Compiling pnet v0.20.0
Dec 11 15:54:49.648 INFO [stderr]     Checking ipnetwork v0.12.7
Dec 11 15:54:49.648 INFO [stderr]    Compiling syntex_pos v0.42.0
Dec 11 15:54:49.648 INFO [stderr]    Compiling memchr v1.0.2
Dec 11 15:54:49.648 INFO [stderr]     Checking pnet_sys v0.20.0
Dec 11 15:54:51.740 INFO [stderr]    Compiling thread_local v0.3.4
Dec 11 15:54:52.661 INFO [stderr]     Checking pnet_macros_support v0.20.0
Dec 11 15:54:52.727 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 11 15:54:53.388 INFO [stderr]     Checking pnet_datalink v0.20.0
Dec 11 15:54:54.353 INFO [stderr]    Compiling syntex_errors v0.42.0
Dec 11 15:54:56.424 INFO [stderr]    Compiling regex v0.2.2
Dec 11 15:55:00.393 INFO [stderr]    Compiling syntex_syntax v0.42.0
Dec 11 15:55:44.959 INFO [stderr]    Compiling syntex v0.42.2
Dec 11 15:55:46.131 INFO [stderr]    Compiling pnet_macros v0.20.0
Dec 11 15:55:49.597 INFO [stderr]    Compiling pnet_packet v0.20.0
Dec 11 15:56:03.123 INFO [stderr]     Checking pnet_transport v0.20.0
Dec 11 15:56:04.042 INFO [stderr]     Checking arp v0.1.0 (/source)
Dec 11 15:56:04.780 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:56:04.780 INFO [stderr]   --> src/main.rs:43:27
Dec 11 15:56:04.780 INFO [stderr]    |
Dec 11 15:56:04.780 INFO [stderr] 43 |                     &mut |mut new_packet| {
Dec 11 15:56:04.780 INFO [stderr]    |                           ----^^^^^^^^^^
Dec 11 15:56:04.780 INFO [stderr]    |                           |
Dec 11 15:56:04.780 INFO [stderr]    |                           help: remove this `mut`
Dec 11 15:56:04.780 INFO [stderr]    |
Dec 11 15:56:04.780 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:56:04.780 INFO [stderr] 
Dec 11 15:56:04.992 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:56:04.992 INFO [stderr]   --> src/main.rs:43:27
Dec 11 15:56:04.992 INFO [stderr]    |
Dec 11 15:56:04.992 INFO [stderr] 43 |                     &mut |mut new_packet| {
Dec 11 15:56:04.992 INFO [stderr]    |                           ----^^^^^^^^^^
Dec 11 15:56:04.992 INFO [stderr]    |                           |
Dec 11 15:56:04.992 INFO [stderr]    |                           help: remove this `mut`
Dec 11 15:56:04.992 INFO [stderr]    |
Dec 11 15:56:04.992 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:56:04.992 INFO [stderr] 
Dec 11 15:56:05.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
Dec 11 15:56:05.028 INFO [stderr] su: No module specific data is present
Dec 11 15:56:05.890 INFO running `"docker" "inspect" "8d2eba318cde3c9a5fa7c8d2a39abad0012baf6a4c4d0db485a79cdd1306628e"`
Dec 11 15:56:06.226 INFO running `"docker" "rm" "-f" "8d2eba318cde3c9a5fa7c8d2a39abad0012baf6a4c4d0db485a79cdd1306628e"`
Dec 11 15:56:06.572 INFO [stdout] 8d2eba318cde3c9a5fa7c8d2a39abad0012baf6a4c4d0db485a79cdd1306628e