[INFO] updating cached repository justinbarclay/ArpPoison
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinbarclay/ArpPoison
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinbarclay/ArpPoison" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/justinbarclay/ArpPoison"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/justinbarclay/ArpPoison'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinbarclay/ArpPoison" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/justinbarclay/ArpPoison"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/justinbarclay/ArpPoison'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53d1a0a195586797b1e4f9c29bfc4f73aed142bc
[INFO] sha for GitHub repo justinbarclay/ArpPoison: 53d1a0a195586797b1e4f9c29bfc4f73aed142bc
[INFO] validating manifest of justinbarclay/ArpPoison on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of justinbarclay/ArpPoison on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing justinbarclay/ArpPoison
[INFO] finished frobbing justinbarclay/ArpPoison
[INFO] frobbed toml for justinbarclay/ArpPoison written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/justinbarclay/ArpPoison/Cargo.toml
[INFO] started frobbing justinbarclay/ArpPoison
[INFO] finished frobbing justinbarclay/ArpPoison
[INFO] frobbed toml for justinbarclay/ArpPoison written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/justinbarclay/ArpPoison/Cargo.toml
[INFO] crate justinbarclay/ArpPoison has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing justinbarclay/ArpPoison against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] e95ed6481e9da542bd202ce33a220f49d207b6ebc614a3082c9449aee3d0cd3f
[INFO] running `"docker" "start" "-a" "e95ed6481e9da542bd202ce33a220f49d207b6ebc614a3082c9449aee3d0cd3f"`
[INFO] [stderr]    Compiling pnet v0.20.0
[INFO] [stderr]    Compiling pnet_sys v0.20.0
[INFO] [stderr]    Compiling pnet_macros_support v0.20.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling pnet_datalink v0.20.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.20.0
[INFO] [stderr]    Compiling pnet_packet v0.20.0
[INFO] [stderr]    Compiling pnet_transport v0.20.0
[INFO] [stderr]    Compiling arp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |                     &mut |mut new_packet| {
[INFO] [stderr]    |                           ----^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.07s
[INFO] running `"docker" "inspect" "e95ed6481e9da542bd202ce33a220f49d207b6ebc614a3082c9449aee3d0cd3f"`
[INFO] running `"docker" "rm" "-f" "e95ed6481e9da542bd202ce33a220f49d207b6ebc614a3082c9449aee3d0cd3f"`
[INFO] [stdout] e95ed6481e9da542bd202ce33a220f49d207b6ebc614a3082c9449aee3d0cd3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 294b31c0a074d74b6093de2520fd71cae347bd24800d424ced1285e7cf36aad3
[INFO] running `"docker" "start" "-a" "294b31c0a074d74b6093de2520fd71cae347bd24800d424ced1285e7cf36aad3"`
[INFO] [stderr]    Compiling arp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |                     &mut |mut new_packet| {
[INFO] [stderr]    |                           ----^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "294b31c0a074d74b6093de2520fd71cae347bd24800d424ced1285e7cf36aad3"`
[INFO] running `"docker" "rm" "-f" "294b31c0a074d74b6093de2520fd71cae347bd24800d424ced1285e7cf36aad3"`
[INFO] [stdout] 294b31c0a074d74b6093de2520fd71cae347bd24800d424ced1285e7cf36aad3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7f0ae922bcd96ad2df14bf7a3c603add6a60e6ee905922303e27e8994a3c3b53
[INFO] running `"docker" "start" "-a" "7f0ae922bcd96ad2df14bf7a3c603add6a60e6ee905922303e27e8994a3c3b53"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arp-55441c969f10cb3f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7f0ae922bcd96ad2df14bf7a3c603add6a60e6ee905922303e27e8994a3c3b53"`
[INFO] running `"docker" "rm" "-f" "7f0ae922bcd96ad2df14bf7a3c603add6a60e6ee905922303e27e8994a3c3b53"`
[INFO] [stdout] 7f0ae922bcd96ad2df14bf7a3c603add6a60e6ee905922303e27e8994a3c3b53