[INFO] cloning repository https://github.com/zacbrown/rusty-netconn
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0b0c5ea4312002fc4eb75d71b67fd8104f51dd5
[INFO] testing zacbrown/rusty-netconn against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacbrown/rusty-netconn on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zacbrown/rusty-netconn already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbd0a735a449d3c3a71047661e658ac6bfcbe1ed1e4e2d59adcf167fe4736d9a
[INFO] running `"docker" "start" "-a" "bbd0a735a449d3c3a71047661e658ac6bfcbe1ed1e4e2d59adcf167fe4736d9a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling encode_unicode v0.3.1
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[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 log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[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] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let mut stats = {
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let mut stats = {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let mut stats = {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:251:13
[INFO] [stderr]     |
[INFO] [stderr] 251 |         let mut stats = {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.rusty_netconns.9yx3kowk-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495" "/opt/rustwide/target/debug/deps/rusty_netconns-62f14770bd160495.4rwjv3om1vkmiqtc.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libprettytable-fbcb6a86720d3041.rlib" "/opt/rustwide/target/debug/deps/libencode_unicode-cbf4854251409f58.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-ee0374dd376fa810.rlib" "/opt/rustwide/target/debug/deps/libcsv-ff8cdc0960f34946.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-4acdc232161029de.rlib" "/opt/rustwide/target/debug/deps/libmemchr-c775fbea26cfd3ad.rlib" "/opt/rustwide/target/debug/deps/libatty-7e7f0a2bf78d390f.rlib" "/opt/rustwide/target/debug/deps/libterm-46933b83d2e4f6f6.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-afd37e6694b95edc.rlib" "/opt/rustwide/target/debug/deps/libpnet-29622e17f25828c9.rlib" "/opt/rustwide/target/debug/deps/libpnet_transport-d6d2f374d1795cea.rlib" "/opt/rustwide/target/debug/deps/libpnet_packet-861e8470789c8bc9.rlib" "/opt/rustwide/target/debug/deps/libpnet_macros_support-13fbb8038324caf5.rlib" "/opt/rustwide/target/debug/deps/libpnet_datalink-de53de25ac288fee.rlib" "/opt/rustwide/target/debug/deps/libpnet_sys-b5371aa0757cb053.rlib" "/opt/rustwide/target/debug/deps/libpnet_base-52885ee03232629b.rlib" "/opt/rustwide/target/debug/deps/libipnetwork-6a1907bcdad1e8aa.rlib" "/opt/rustwide/target/debug/deps/libpcap-664e8db9363e27ec.rlib" "/opt/rustwide/target/debug/deps/libtokio_core-1d39b4a184091dc4.rlib" "/opt/rustwide/target/debug/deps/libscoped_tls-9abc050985b4811b.rlib" "/opt/rustwide/target/debug/deps/libtokio-35456b1ad15422df.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-4c04b740eded72c5.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-8f956b7aa1c85bfd.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-a35ae90c75b61426.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-80861079304da963.rlib" "/opt/rustwide/target/debug/deps/librand-f7d8b9f8b047f9c5.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-3a273398b4af0216.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-7975540899015a99.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-e77110d8932309ab.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-9c504a28b93d8d1d.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-d89c2d7a36eb453e.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-e22f68a3886f418c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2873d32ed64f8f3c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-bdada2409d1d2ca5.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-12006dd32f4a951b.rlib" "/opt/rustwide/target/debug/deps/libnodrop-79256c4b981f35ac.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-a091cea66043d8b2.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-6ce208b264ac0a23.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-f0ed2d078e3be9a8.rlib" "/opt/rustwide/target/debug/deps/libbytes-6202a7ac8190b373.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-bdd3a7042032b275.rlib" "/opt/rustwide/target/debug/deps/libfutures-443afe8cdc7660e7.rlib" "/opt/rustwide/target/debug/deps/libmio-fa8bf0d345148682.rlib" "/opt/rustwide/target/debug/deps/liblog-80557c6a07eb3905.rlib" "/opt/rustwide/target/debug/deps/libslab-e85fe1b8f6baafc0.rlib" "/opt/rustwide/target/debug/deps/libiovec-f3084ad1ac488890.rlib" "/opt/rustwide/target/debug/deps/libnet2-79c01c5112aaf99d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3fb2f48dd5397a2c.rlib" "/opt/rustwide/target/debug/deps/liblazycell-56b0f0ad805d5773.rlib" "/opt/rustwide/target/debug/deps/liblibc-3f0bc7ef46014dac.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lpcap" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lpcap
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rusty-netconns`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bbd0a735a449d3c3a71047661e658ac6bfcbe1ed1e4e2d59adcf167fe4736d9a"`
[INFO] running `"docker" "rm" "-f" "bbd0a735a449d3c3a71047661e658ac6bfcbe1ed1e4e2d59adcf167fe4736d9a"`
[INFO] [stdout] bbd0a735a449d3c3a71047661e658ac6bfcbe1ed1e4e2d59adcf167fe4736d9a