[INFO] cloning repository https://github.com/vasilakisfil/mac_addresses
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vasilakisfil/mac_addresses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasilakisfil%2Fmac_addresses"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasilakisfil%2Fmac_addresses'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbe3a707277f9499b8877806c6417bc243ecab89
[INFO] testing vasilakisfil/mac_addresses against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasilakisfil%2Fmac_addresses" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vasilakisfil/mac_addresses 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/vasilakisfil/mac_addresses
[INFO] finished tweaking git repo https://github.com/vasilakisfil/mac_addresses
[INFO] tweaked toml for git repo https://github.com/vasilakisfil/mac_addresses written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vasilakisfil/mac_addresses 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-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" "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] 79b89df719132c123ab3c2c4bc029b99f2ad9ac92ebbdce21af483d14f5507cf
[INFO] running `"docker" "start" "-a" "79b89df719132c123ab3c2c4bc029b99f2ad9ac92ebbdce21af483d14f5507cf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling pnet_base v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pnet v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling ipnet v2.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling pnet_macros_support v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling pnet_sys v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling dns-lookup v1.0.1
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling pnet_datalink v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling pnet_packet v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling pnet_transport v0.22.0 (https://github.com/libpnet/libpnet#f34f2b04)
[INFO] [stderr]    Compiling mac_addresses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Util`
[INFO] [stderr]   --> src/interface_scanner.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     Some(ref pkg) if Util::arp_destined_for_interface(pkg, &self.interface) => {
[INFO] [stderr]    |                                      ^^^^ use of undeclared type or module `Util`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ArpPacket` in this scope
[INFO] [stderr]   --> src/interface_scanner.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn arp_destined_for_interface(arp: &ArpPacket, interface: &NetworkInterface) -> bool {
[INFO] [stderr]    |                                         ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use pnet::packet::arp::ArpPacket;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `NetworkInterface` in this scope
[INFO] [stderr]   --> src/interface_scanner.rs:21:64
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn arp_destined_for_interface(arp: &ArpPacket, interface: &NetworkInterface) -> bool {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use pnet::datalink::NetworkInterface;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `mac_addresses`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "79b89df719132c123ab3c2c4bc029b99f2ad9ac92ebbdce21af483d14f5507cf"`
[INFO] running `"docker" "rm" "-f" "79b89df719132c123ab3c2c4bc029b99f2ad9ac92ebbdce21af483d14f5507cf"`
[INFO] [stdout] 79b89df719132c123ab3c2c4bc029b99f2ad9ac92ebbdce21af483d14f5507cf