[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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacbrown/rusty-netconn on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-4/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "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] f8c7336e79dd96375135d85e157fed69d4276e39cbb3df6ec02288b195798c94
[INFO] running `"docker" "start" "-a" "f8c7336e79dd96375135d85e157fed69d4276e39cbb3df6ec02288b195798c94"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling encode_unicode v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[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 aho-corasick v0.6.4
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[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/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.rusty_netconns.3vmzu914-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f" "/opt/rustwide/target/debug/deps/rusty_netconns-b53549ea6b032b7f.y7txrohog0eawsi.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libprettytable-1ee7ec9ed27199d7.rlib" "/opt/rustwide/target/debug/deps/libencode_unicode-5bb0f87aa9102f8e.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-1feaaa5f89c5098b.rlib" "/opt/rustwide/target/debug/deps/libcsv-1b91cb9599da1bea.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-93a3205e411ff51e.rlib" "/opt/rustwide/target/debug/deps/libmemchr-6f4a940f8e7bcce8.rlib" "/opt/rustwide/target/debug/deps/libatty-08c174a2a31b1be1.rlib" "/opt/rustwide/target/debug/deps/libterm-a53cb09435e3a2ce.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-0a81bae01b8153e5.rlib" "/opt/rustwide/target/debug/deps/libpnet-48826aa21f9fe635.rlib" "/opt/rustwide/target/debug/deps/libpnet_transport-aa115a83b3a18517.rlib" "/opt/rustwide/target/debug/deps/libpnet_packet-43a5a392cf7fe77d.rlib" "/opt/rustwide/target/debug/deps/libpnet_macros_support-c1fe56aa1899c279.rlib" "/opt/rustwide/target/debug/deps/libpnet_datalink-c01039cf71c7489d.rlib" "/opt/rustwide/target/debug/deps/libpnet_sys-5f85b544883c2f31.rlib" "/opt/rustwide/target/debug/deps/libpnet_base-1787efe1facd8dd1.rlib" "/opt/rustwide/target/debug/deps/libipnetwork-dd93b69c45fd3005.rlib" "/opt/rustwide/target/debug/deps/libpcap-b5ef43b7111d0b38.rlib" "/opt/rustwide/target/debug/deps/libtokio_core-5d863c19ba6809f8.rlib" "/opt/rustwide/target/debug/deps/libscoped_tls-64b06fa9b9cb7b58.rlib" "/opt/rustwide/target/debug/deps/libtokio-a53b02bbb14d3772.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-a4a2324a2bb13f02.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-2f3f98f142d1a80c.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-69bcdf168b2d57e0.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-99e9438a72c1fe18.rlib" "/opt/rustwide/target/debug/deps/librand-c6113ff7946b8cc2.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-23b2b62a0151bf78.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-b6b1c7cc03c2a8c6.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-86ed1c3afb663bce.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-c49899510c52e4ae.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-96db1f09e66479ea.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-3ea2ef599738323b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-68a2223eddbc84ae.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-88190b68f8da72f3.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-8e03bb721380efa6.rlib" "/opt/rustwide/target/debug/deps/libnodrop-ba45280f3933cc52.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-9d8e6dc7ad84740c.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-d187c2c58a5f837c.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-d666f13f9797fa9e.rlib" "/opt/rustwide/target/debug/deps/libbytes-b3f6ce0ce6efe6fb.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-7d53e912c21c42aa.rlib" "/opt/rustwide/target/debug/deps/libfutures-30a6afe5443240b6.rlib" "/opt/rustwide/target/debug/deps/libmio-9c1d0049c1312cd2.rlib" "/opt/rustwide/target/debug/deps/liblog-2ebd5a193c61b8b6.rlib" "/opt/rustwide/target/debug/deps/libslab-14391ea717b41243.rlib" "/opt/rustwide/target/debug/deps/libiovec-2360d6305de25d21.rlib" "/opt/rustwide/target/debug/deps/libnet2-97ac5b6a7d5db352.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0402d25e24990f3e.rlib" "/opt/rustwide/target/debug/deps/liblazycell-f0ddea71fc0e424d.rlib" "/opt/rustwide/target/debug/deps/liblibc-2b04282d748ee8b7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.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" "f8c7336e79dd96375135d85e157fed69d4276e39cbb3df6ec02288b195798c94"`
[INFO] running `"docker" "rm" "-f" "f8c7336e79dd96375135d85e157fed69d4276e39cbb3df6ec02288b195798c94"`
[INFO] [stdout] f8c7336e79dd96375135d85e157fed69d4276e39cbb3df6ec02288b195798c94