[INFO] updating cached repository zacbrown/rusty-netconn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zacbrown/rusty-netconn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zacbrown/rusty-netconn" "work/ex/beta-1.37-6/sources/1.36.0/gh/zacbrown/rusty-netconn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/zacbrown/rusty-netconn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zacbrown/rusty-netconn" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zacbrown/rusty-netconn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zacbrown/rusty-netconn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0b0c5ea4312002fc4eb75d71b67fd8104f51dd5
[INFO] sha for GitHub repo zacbrown/rusty-netconn: f0b0c5ea4312002fc4eb75d71b67fd8104f51dd5
[INFO] validating manifest of zacbrown/rusty-netconn on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zacbrown/rusty-netconn on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zacbrown/rusty-netconn
[INFO] finished frobbing zacbrown/rusty-netconn
[INFO] frobbed toml for zacbrown/rusty-netconn written to work/ex/beta-1.37-6/sources/1.36.0/gh/zacbrown/rusty-netconn/Cargo.toml
[INFO] started frobbing zacbrown/rusty-netconn
[INFO] finished frobbing zacbrown/rusty-netconn
[INFO] frobbed toml for zacbrown/rusty-netconn written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zacbrown/rusty-netconn/Cargo.toml
[INFO] crate zacbrown/rusty-netconn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zacbrown/rusty-netconn against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zacbrown/rusty-netconn:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 90bf1445938c067ef099376232a235ff90cb59a5bd22c5aa1dcb63b0e65c6141
[INFO] running `"docker" "start" "-a" "90bf1445938c067ef099376232a235ff90cb59a5bd22c5aa1dcb63b0e65c6141"`
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling encode_unicode v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling num_cpus v1.8.0
[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 arrayvec v0.4.7
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[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/crater/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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.rusty_netconns.1abxf2kl-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6" "/opt/crater/target/debug/deps/rusty_netconns-543d31a17d6a4fb6.7h2ku7ecox6y9tq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libprettytable-9ef21d6303004cdf.rlib" "/opt/crater/target/debug/deps/libencode_unicode-44542b9f8c1118e0.rlib" "/opt/crater/target/debug/deps/liblazy_static-0e1e36676eed3924.rlib" "/opt/crater/target/debug/deps/libcsv-813d61f85351c402.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libmemchr-303abc07c54e73ce.rlib" "/opt/crater/target/debug/deps/libatty-86c83cf2eb1ad205.rlib" "/opt/crater/target/debug/deps/libterm-06082a94ff968ee3.rlib" "/opt/crater/target/debug/deps/libunicode_width-9160dad23804e44f.rlib" "/opt/crater/target/debug/deps/libpnet-017f663afe3182b8.rlib" "/opt/crater/target/debug/deps/libpnet_transport-0f386b39ab3f80be.rlib" "/opt/crater/target/debug/deps/libpnet_packet-5e437e3e5a18abb4.rlib" "/opt/crater/target/debug/deps/libpnet_macros_support-36274a6aea287955.rlib" "/opt/crater/target/debug/deps/libpnet_datalink-79fb6ba5a43d1b46.rlib" "/opt/crater/target/debug/deps/libpnet_sys-21e5df02256ff6fc.rlib" "/opt/crater/target/debug/deps/libpnet_base-a26dbca642fc1b61.rlib" "/opt/crater/target/debug/deps/libipnetwork-70e266258cae3857.rlib" "/opt/crater/target/debug/deps/libpcap-199a0998410df858.rlib" "/opt/crater/target/debug/deps/libtokio_core-b664d9a6a06f4924.rlib" "/opt/crater/target/debug/deps/libscoped_tls-fd79993568796a8f.rlib" "/opt/crater/target/debug/deps/libtokio-14d71eecc8ec0b70.rlib" "/opt/crater/target/debug/deps/libtokio_udp-18af7475cd7d8b9c.rlib" "/opt/crater/target/debug/deps/libtokio_tcp-85c4a452a98bb0d3.rlib" "/opt/crater/target/debug/deps/libtokio_timer-38050ef51c80522c.rlib" "/opt/crater/target/debug/deps/libtokio_threadpool-b75b0119f88eb33c.rlib" "/opt/crater/target/debug/deps/librand-6d42bec5739d5eab.rlib" "/opt/crater/target/debug/deps/libnum_cpus-bb1515fcdc5f1f76.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-1e4479dacc7926db.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-cc60ad5b82dc8476.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-538ff341f23854e4.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/liblazy_static-485b4eff69038ce0.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-18527b0c1fbeb092.rlib" "/opt/crater/target/debug/deps/libarrayvec-857b833095174b6e.rlib" "/opt/crater/target/debug/deps/libnodrop-0480a5e661f37fde.rlib" "/opt/crater/target/debug/deps/libtokio_reactor-9028c8cffd6c6948.rlib" "/opt/crater/target/debug/deps/libtokio_executor-17eef95583552e49.rlib" "/opt/crater/target/debug/deps/libtokio_io-f1308c4a0065feed.rlib" "/opt/crater/target/debug/deps/libbytes-b00475154e25f2a4.rlib" "/opt/crater/target/debug/deps/libbyteorder-32a082924226305d.rlib" "/opt/crater/target/debug/deps/libfutures-cfc3bc29a16ed034.rlib" "/opt/crater/target/debug/deps/libmio-450582377f5ba489.rlib" "/opt/crater/target/debug/deps/liblog-18bebfdf1d1e5a05.rlib" "/opt/crater/target/debug/deps/libslab-8e3d266468ba0979.rlib" "/opt/crater/target/debug/deps/libiovec-8c6c84d02bbd02be.rlib" "/opt/crater/target/debug/deps/libnet2-4e267eaee1d92fbf.rlib" "/opt/crater/target/debug/deps/libcfg_if-af8485a38956c1b4.rlib" "/opt/crater/target/debug/deps/liblazycell-b15c88d393c2ebad.rlib" "/opt/crater/target/debug/deps/liblibc-7b678f4dbafdcd48.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lpcap" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-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
[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" "90bf1445938c067ef099376232a235ff90cb59a5bd22c5aa1dcb63b0e65c6141"`
[INFO] running `"docker" "rm" "-f" "90bf1445938c067ef099376232a235ff90cb59a5bd22c5aa1dcb63b0e65c6141"`
[INFO] [stdout] 90bf1445938c067ef099376232a235ff90cb59a5bd22c5aa1dcb63b0e65c6141