[INFO] updating cached repository Sam-Jeston/network_monitor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Sam-Jeston/network_monitor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Sam-Jeston/network_monitor" "work/ex/beta-1.38-1/sources/1.37.0/gh/Sam-Jeston/network_monitor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Sam-Jeston/network_monitor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sam-Jeston/network_monitor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sam-Jeston/network_monitor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sam-Jeston/network_monitor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb4433b27c83d4ed7c5ee3663ab95ff36dea624c
[INFO] sha for GitHub repo Sam-Jeston/network_monitor: fb4433b27c83d4ed7c5ee3663ab95ff36dea624c
[INFO] validating manifest of Sam-Jeston/network_monitor 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 Sam-Jeston/network_monitor 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 Sam-Jeston/network_monitor
[INFO] finished frobbing Sam-Jeston/network_monitor
[INFO] frobbed toml for Sam-Jeston/network_monitor written to work/ex/beta-1.38-1/sources/1.37.0/gh/Sam-Jeston/network_monitor/Cargo.toml
[INFO] started frobbing Sam-Jeston/network_monitor
[INFO] finished frobbing Sam-Jeston/network_monitor
[INFO] frobbed toml for Sam-Jeston/network_monitor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sam-Jeston/network_monitor/Cargo.toml
[INFO] crate Sam-Jeston/network_monitor 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 Sam-Jeston/network_monitor 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Sam-Jeston/network_monitor:/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] 316509e4f2137b6a6db4e2fca98496e1086876f05d69b50dda59ca46345e4269
[INFO] running `"docker" "start" "-a" "316509e4f2137b6a6db4e2fca98496e1086876f05d69b50dda59ca46345e4269"`
[INFO] [stderr]    Compiling ipnetwork v0.12.3
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.13.1
[INFO] [stderr]    Compiling pnet v0.17.1
[INFO] [stderr]    Compiling network_monitor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]  --> src/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "316509e4f2137b6a6db4e2fca98496e1086876f05d69b50dda59ca46345e4269"`
[INFO] running `"docker" "rm" "-f" "316509e4f2137b6a6db4e2fca98496e1086876f05d69b50dda59ca46345e4269"`
[INFO] [stdout] 316509e4f2137b6a6db4e2fca98496e1086876f05d69b50dda59ca46345e4269
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Sam-Jeston/network_monitor:/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] 770bbf59dc358da671c62a79bd9c8556f31068402746336a140113581c99b090
[INFO] running `"docker" "start" "-a" "770bbf59dc358da671c62a79bd9c8556f31068402746336a140113581c99b090"`
[INFO] [stderr]    Compiling network_monitor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]  --> src/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "770bbf59dc358da671c62a79bd9c8556f31068402746336a140113581c99b090"`
[INFO] running `"docker" "rm" "-f" "770bbf59dc358da671c62a79bd9c8556f31068402746336a140113581c99b090"`
[INFO] [stdout] 770bbf59dc358da671c62a79bd9c8556f31068402746336a140113581c99b090
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Sam-Jeston/network_monitor:/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] c9bd651f6ae4170962353e4643debf281c6da23babc1e658e81eeb2dfbe341d2
[INFO] running `"docker" "start" "-a" "c9bd651f6ae4170962353e4643debf281c6da23babc1e658e81eeb2dfbe341d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/network_monitor-7c6b79f53afe652d
[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" "c9bd651f6ae4170962353e4643debf281c6da23babc1e658e81eeb2dfbe341d2"`
[INFO] running `"docker" "rm" "-f" "c9bd651f6ae4170962353e4643debf281c6da23babc1e658e81eeb2dfbe341d2"`
[INFO] [stdout] c9bd651f6ae4170962353e4643debf281c6da23babc1e658e81eeb2dfbe341d2