[INFO] fetching crate rustcap 0.1.2...
[INFO] testing rustcap-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rustcap 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rustcap 0.1.2 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 rustcap 0.1.2
[INFO] finished tweaking crates.io crate rustcap 0.1.2
[INFO] tweaked toml for crates.io crate rustcap 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] 95fdbaee859b389ac12648ee562e0367b4ca87e4cd613f53937511f4d7c2b12b
[INFO] running `Command { std: "docker" "start" "-a" "95fdbaee859b389ac12648ee562e0367b4ca87e4cd613f53937511f4d7c2b12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95fdbaee859b389ac12648ee562e0367b4ca87e4cd613f53937511f4d7c2b12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fdbaee859b389ac12648ee562e0367b4ca87e4cd613f53937511f4d7c2b12b", kill_on_drop: false }`
[INFO] [stdout] 95fdbaee859b389ac12648ee562e0367b4ca87e4cd613f53937511f4d7c2b12b
[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" "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] [stdout] 9ef142e6e44d3048e0bf478ef9ece87366ceb049363c95a1d368a00368c90860
[INFO] running `Command { std: "docker" "start" "-a" "9ef142e6e44d3048e0bf478ef9ece87366ceb049363c95a1d368a00368c90860", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcap-sys v0.1.3
[INFO] [stderr]    Compiling rustcap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/core.rs:233:66
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut all_devs_buf: *mut ffi::pcap_if = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/core.rs:333:68
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let mut bpf_program: ffi::bpf_program = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tv_sec`
[INFO] [stdout]    --> src/core.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 |     tv_sec: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tv_usec`
[INFO] [stdout]    --> src/core.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     tv_usec: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `caplen`
[INFO] [stdout]    --> src/core.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     caplen: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]    --> src/core.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     len: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "9ef142e6e44d3048e0bf478ef9ece87366ceb049363c95a1d368a00368c90860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef142e6e44d3048e0bf478ef9ece87366ceb049363c95a1d368a00368c90860", kill_on_drop: false }`
[INFO] [stdout] 9ef142e6e44d3048e0bf478ef9ece87366ceb049363c95a1d368a00368c90860
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4e06701ecc3a71966d7ec314b990e744db523c42c303c32919f03199eb592a
[INFO] running `Command { std: "docker" "start" "-a" "2c4e06701ecc3a71966d7ec314b990e744db523c42c303c32919f03199eb592a", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/core.rs:233:66
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut all_devs_buf: *mut ffi::pcap_if = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/core.rs:333:68
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let mut bpf_program: ffi::bpf_program = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tv_sec`
[INFO] [stdout]    --> src/core.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 |     tv_sec: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tv_usec`
[INFO] [stdout]    --> src/core.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     tv_usec: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `caplen`
[INFO] [stdout]    --> src/core.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     caplen: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]    --> src/core.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     len: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustcap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/core.rs:233:66
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut all_devs_buf: *mut ffi::pcap_if = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/core.rs:333:68
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let mut bpf_program: ffi::bpf_program = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tv_sec`
[INFO] [stdout]    --> src/core.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 |     tv_sec: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tv_usec`
[INFO] [stdout]    --> src/core.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     tv_usec: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `caplen`
[INFO] [stdout]    --> src/core.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     caplen: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]    --> src/core.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     len: u32,
[INFO] [stdout]     |     ^^^^^^^^
[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/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.cy9c66abusep2ad.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib" "-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/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-af71f5d5e2187f62.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-976ae3a75486bc7b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-638f891af6f9e3c4.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_std-52ee1e0bb1279132.rlib" "/opt/rustwide/target/debug/deps/libbitflags-610a73087f46ba3b.rlib" "/opt/rustwide/target/debug/deps/libpcap_sys-568c36432557d00a.rlib" "/opt/rustwide/target/debug/deps/liblibc-0ec3a1d3f48b901b.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" "-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/rustcap-548b1bdadb655a61" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.1.rcgu.o: in function `<rustcap::core::NetworkInterfaceIterator as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/workdir/src/core.rs:147: undefined reference to `pcap_freealldevs'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustcap-548b1bdadb655a61.rustcap.d639e37b-cgu.1.rcgu.o: in function `rustcap::core::find_all_devs':
[INFO] [stdout]           /opt/rustwide/workdir/src/core.rs:235: undefined reference to `pcap_findalldevs'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcap` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2c4e06701ecc3a71966d7ec314b990e744db523c42c303c32919f03199eb592a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4e06701ecc3a71966d7ec314b990e744db523c42c303c32919f03199eb592a", kill_on_drop: false }`
[INFO] [stdout] 2c4e06701ecc3a71966d7ec314b990e744db523c42c303c32919f03199eb592a