[INFO] fetching crate PacketDog 0.1.0...
[INFO] testing PacketDog-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate PacketDog 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate PacketDog 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate PacketDog 0.1.0
[INFO] finished tweaking crates.io crate PacketDog 0.1.0
[INFO] tweaked toml for crates.io crate PacketDog 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate PacketDog 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ac34d806cd6692b8359bbc710d898501a997b8bd4baea4d4f0de144d053273f
[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" "6ac34d806cd6692b8359bbc710d898501a997b8bd4baea4d4f0de144d053273f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac34d806cd6692b8359bbc710d898501a997b8bd4baea4d4f0de144d053273f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac34d806cd6692b8359bbc710d898501a997b8bd4baea4d4f0de144d053273f", kill_on_drop: false }`
[INFO] [stdout] 6ac34d806cd6692b8359bbc710d898501a997b8bd4baea4d4f0de144d053273f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1595a546f9b871e2bf4b1354319b05ca6a4391d163628a21155bcdb2f82487c3
[INFO] running `Command { std: "docker" "start" "-a" "1595a546f9b871e2bf4b1354319b05ca6a4391d163628a21155bcdb2f82487c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pktparse v0.4.1
[INFO] [stderr]    Compiling PacketDog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `PacketDog` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `packet_dog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.PacketDog.8ef9b35d-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912.1b69i7esutz06ia.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libclap-e3021aa5252d73bc.rlib" "/opt/rustwide/target/debug/deps/libvec_map-18b27ee44a5c9049.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-dcd1981df6974b46.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-b35e561241f87659.rlib" "/opt/rustwide/target/debug/deps/libstrsim-c9e2592dde3c5431.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rlib" "/opt/rustwide/target/debug/deps/libatty-bfcfd4d52cf27beb.rlib" "/opt/rustwide/target/debug/deps/libansi_term-7b95e091c56f4f65.rlib" "/opt/rustwide/target/debug/deps/libpktparse-9172fce6b3a519dc.rlib" "/opt/rustwide/target/debug/deps/libserde-8b4e244a549f4316.rlib" "/opt/rustwide/target/debug/deps/libnom-fc04fe5840575b9a.rlib" "/opt/rustwide/target/debug/deps/libmemchr-16347fffe453b18f.rlib" "/opt/rustwide/target/debug/deps/libpcap-318d826795994455.rlib" "/opt/rustwide/target/debug/deps/liblibc-14e5f6a0f26c538c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lpcap" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/PacketDog-182b4fa14c74c912" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `PacketDog` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1595a546f9b871e2bf4b1354319b05ca6a4391d163628a21155bcdb2f82487c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1595a546f9b871e2bf4b1354319b05ca6a4391d163628a21155bcdb2f82487c3", kill_on_drop: false }`
[INFO] [stdout] 1595a546f9b871e2bf4b1354319b05ca6a4391d163628a21155bcdb2f82487c3