[INFO] cloning repository https://github.com/zacbrown/rusty-netconn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacbrown/rusty-netconn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0b0c5ea4312002fc4eb75d71b67fd8104f51dd5
[INFO] testing zacbrown/rusty-netconn against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacbrown/rusty-netconn on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zacbrown/rusty-netconn
[INFO] finished tweaking git repo https://github.com/zacbrown/rusty-netconn
[INFO] tweaked toml for git repo https://github.com/zacbrown/rusty-netconn written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zacbrown/rusty-netconn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_macros_support v0.21.0
[INFO] [stderr]   Downloaded tokio-timer v0.2.1
[INFO] [stderr]   Downloaded scoped-tls v0.1.1
[INFO] [stderr]   Downloaded ipnetwork v0.12.8
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.2
[INFO] [stderr]   Downloaded tokio v0.1.5
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] [stderr]   Downloaded pnet_base v0.21.0
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded pnet_packet v0.21.0
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded pnet_sys v0.21.0
[INFO] [stderr]   Downloaded pnet_datalink v0.21.0
[INFO] [stderr]   Downloaded tokio-io v0.1.6
[INFO] [stderr]   Downloaded pcap v0.7.0
[INFO] [stderr]   Downloaded pnet_macros v0.21.0
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded pnet_transport v0.21.0
[INFO] [stderr]   Downloaded pnet v0.21.0
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b752bbdcfe81ba39b26b9b913bea9ca4f24ab8e929c0f3f8a87d584a8c5fb7e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b752bbdcfe81ba39b26b9b913bea9ca4f24ab8e929c0f3f8a87d584a8c5fb7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b752bbdcfe81ba39b26b9b913bea9ca4f24ab8e929c0f3f8a87d584a8c5fb7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b752bbdcfe81ba39b26b9b913bea9ca4f24ab8e929c0f3f8a87d584a8c5fb7e6", kill_on_drop: false }`
[INFO] [stdout] b752bbdcfe81ba39b26b9b913bea9ca4f24ab8e929c0f3f8a87d584a8c5fb7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36cf28c08a3391e23cb5dc5f0a52403e04f3ff82e6e37df6f45d6fcb0f1517c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36cf28c08a3391e23cb5dc5f0a52403e04f3ff82e6e37df6f45d6fcb0f1517c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling encode_unicode v0.3.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling tokio-core v0.1.17
[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 rusty-netconns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut stats = {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut stats = {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let mut stats = {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let mut stats = {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.rusty_netconns.c4mowhmc-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d" "/opt/rustwide/target/debug/deps/rusty_netconns-cbd00295f5d8058d.43uupkcg5w5x2u3u.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libprettytable-825a9656e398ac04.rlib" "/opt/rustwide/target/debug/deps/libencode_unicode-c2ddd31ffc3329c2.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-721ddb5cf32cc140.rlib" "/opt/rustwide/target/debug/deps/libcsv-c5d772f4de6468eb.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-7a3ef2123a40ae59.rlib" "/opt/rustwide/target/debug/deps/libmemchr-482f7973e1e8e8f7.rlib" "/opt/rustwide/target/debug/deps/libatty-c44ec975db36c633.rlib" "/opt/rustwide/target/debug/deps/libterm-6e98da20d5f77cc2.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-735703656712a2f1.rlib" "/opt/rustwide/target/debug/deps/libpnet-0c6f96c5403bf02f.rlib" "/opt/rustwide/target/debug/deps/libpnet_transport-b4cd10ccca6d9077.rlib" "/opt/rustwide/target/debug/deps/libpnet_packet-f57f913ab83c8dab.rlib" "/opt/rustwide/target/debug/deps/libpnet_macros_support-ebcc4adc7d49beb8.rlib" "/opt/rustwide/target/debug/deps/libpnet_datalink-4b8868ba76c2ccad.rlib" "/opt/rustwide/target/debug/deps/libpnet_sys-005e6b18224f095c.rlib" "/opt/rustwide/target/debug/deps/libpnet_base-949051386c9e3bb1.rlib" "/opt/rustwide/target/debug/deps/libipnetwork-3abdb13b265dbf6b.rlib" "/opt/rustwide/target/debug/deps/libpcap-a6efc1a1cc0fc926.rlib" "/opt/rustwide/target/debug/deps/libtokio_core-b8f50c95d0530d82.rlib" "/opt/rustwide/target/debug/deps/libscoped_tls-162dfdf6d79549a2.rlib" "/opt/rustwide/target/debug/deps/libtokio-28582ca8a7b5aa33.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-b010df12dcb70493.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-e22ee3a1e1695083.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-e105b8e13409b7d1.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-543fba0ae13cf2cc.rlib" "/opt/rustwide/target/debug/deps/librand-2083569847158136.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-e71f5fda7fe41331.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-4ed3c96d38aa76bd.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-ae22f0f8604f2942.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-53326c2ed3047dd2.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-587a636979098308.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-98eb5171f9a3eb81.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2a076a970eba03df.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-7195adb8b2795d2e.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-13156232d940f517.rlib" "/opt/rustwide/target/debug/deps/libnodrop-45a305d3b6a3bcbd.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-b12277a8aecada1a.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-16a6fb3f40e45718.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-61ff3ac448956003.rlib" "/opt/rustwide/target/debug/deps/libbytes-ecdbbfbeeff5787d.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-d01b0d87f0c0016a.rlib" "/opt/rustwide/target/debug/deps/libfutures-e4405d82b3c6e993.rlib" "/opt/rustwide/target/debug/deps/libmio-33272a75e84f02a6.rlib" "/opt/rustwide/target/debug/deps/liblog-8b3375c7a1721d42.rlib" "/opt/rustwide/target/debug/deps/libslab-31fd6dbd723d507c.rlib" "/opt/rustwide/target/debug/deps/libiovec-7e9d1bbdecb302f2.rlib" "/opt/rustwide/target/debug/deps/libnet2-556262c5bf23a4a7.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-c27d6000f8ec05ff.rlib" "/opt/rustwide/target/debug/deps/liblazycell-6aa60cb6e7f57d96.rlib" "/opt/rustwide/target/debug/deps/liblibc-fda43483bc32417c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lpcap" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lpcap
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-netconns`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "36cf28c08a3391e23cb5dc5f0a52403e04f3ff82e6e37df6f45d6fcb0f1517c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cf28c08a3391e23cb5dc5f0a52403e04f3ff82e6e37df6f45d6fcb0f1517c1", kill_on_drop: false }`
[INFO] [stdout] 36cf28c08a3391e23cb5dc5f0a52403e04f3ff82e6e37df6f45d6fcb0f1517c1