[INFO] updating cached repository gavynriebau/arp-scanner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gavynriebau/arp-scanner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gavynriebau/arp-scanner" "work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/arp-scanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/arp-scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gavynriebau/arp-scanner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/arp-scanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/arp-scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7882b3850d07859e6e09475ad13a50e26e08f80
[INFO] sha for GitHub repo gavynriebau/arp-scanner: a7882b3850d07859e6e09475ad13a50e26e08f80
[INFO] validating manifest of gavynriebau/arp-scanner on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gavynriebau/arp-scanner on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gavynriebau/arp-scanner
[INFO] finished frobbing gavynriebau/arp-scanner
[INFO] frobbed toml for gavynriebau/arp-scanner written to work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/arp-scanner/Cargo.toml
[INFO] started frobbing gavynriebau/arp-scanner
[INFO] finished frobbing gavynriebau/arp-scanner
[INFO] frobbed toml for gavynriebau/arp-scanner written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/arp-scanner/Cargo.toml
[INFO] crate gavynriebau/arp-scanner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gavynriebau/arp-scanner against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/arp-scanner:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7315478ce87456c427217fc6e3251ab3001ea06f83f1bc62ba9a08c50fc4276e
[INFO] running `"docker" "start" "-a" "7315478ce87456c427217fc6e3251ab3001ea06f83f1bc62ba9a08c50fc4276e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling prettytable-rs v0.7.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]    Compiling pnet_transport v0.21.0
[INFO] [stderr]    Compiling arp-scanner v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "7315478ce87456c427217fc6e3251ab3001ea06f83f1bc62ba9a08c50fc4276e"`
[INFO] running `"docker" "rm" "-f" "7315478ce87456c427217fc6e3251ab3001ea06f83f1bc62ba9a08c50fc4276e"`
[INFO] [stdout] 7315478ce87456c427217fc6e3251ab3001ea06f83f1bc62ba9a08c50fc4276e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/arp-scanner:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4824e21d5464f6f7682f3545054573d9a2fde12d1ccf0931ae6e53e3cd58b37c
[INFO] running `"docker" "start" "-a" "4824e21d5464f6f7682f3545054573d9a2fde12d1ccf0931ae6e53e3cd58b37c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arp-scanner v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "4824e21d5464f6f7682f3545054573d9a2fde12d1ccf0931ae6e53e3cd58b37c"`
[INFO] running `"docker" "rm" "-f" "4824e21d5464f6f7682f3545054573d9a2fde12d1ccf0931ae6e53e3cd58b37c"`
[INFO] [stdout] 4824e21d5464f6f7682f3545054573d9a2fde12d1ccf0931ae6e53e3cd58b37c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/arp-scanner:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5f526aa06e54b94e035c7acc9efd500e65186ef1878a58feee3f074c982a8184
[INFO] running `"docker" "start" "-a" "5f526aa06e54b94e035c7acc9efd500e65186ef1878a58feee3f074c982a8184"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arp_scanner-beb5d568b8c65d0c
[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" "5f526aa06e54b94e035c7acc9efd500e65186ef1878a58feee3f074c982a8184"`
[INFO] running `"docker" "rm" "-f" "5f526aa06e54b94e035c7acc9efd500e65186ef1878a58feee3f074c982a8184"`
[INFO] [stdout] 5f526aa06e54b94e035c7acc9efd500e65186ef1878a58feee3f074c982a8184