[INFO] cloning repository https://github.com/EdoardoLuciani/ArpSpoof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdoardoLuciani/ArpSpoof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdoardoLuciani%2FArpSpoof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdoardoLuciani%2FArpSpoof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c35656ccfc572bfec71f201a73ce8836fd6e8ff
[INFO] checking EdoardoLuciani/ArpSpoof against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdoardoLuciani%2FArpSpoof" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EdoardoLuciani/ArpSpoof on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EdoardoLuciani/ArpSpoof
[INFO] finished tweaking git repo https://github.com/EdoardoLuciani/ArpSpoof
[INFO] tweaked toml for git repo https://github.com/EdoardoLuciani/ArpSpoof written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EdoardoLuciani/ArpSpoof already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded pnet_transport v0.31.0
[INFO] [stderr]   Downloaded ipnetwork v0.19.0
[INFO] [stderr]   Downloaded pnet v0.31.0
[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded pnet_sys v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02136ea7bda4b2e35c4dce7c673a987dfb9cf5cda8d5fc9eb4baeecd43c8687b
[INFO] running `Command { std: "docker" "start" "-a" "02136ea7bda4b2e35c4dce7c673a987dfb9cf5cda8d5fc9eb4baeecd43c8687b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02136ea7bda4b2e35c4dce7c673a987dfb9cf5cda8d5fc9eb4baeecd43c8687b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02136ea7bda4b2e35c4dce7c673a987dfb9cf5cda8d5fc9eb4baeecd43c8687b", kill_on_drop: false }`
[INFO] [stdout] 02136ea7bda4b2e35c4dce7c673a987dfb9cf5cda8d5fc9eb4baeecd43c8687b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52eb4add58cded2a9430fe79602a69adf5143479a71217dc7bc206fd2b8c9b97
[INFO] running `Command { std: "docker" "start" "-a" "52eb4add58cded2a9430fe79602a69adf5143479a71217dc7bc206fd2b8c9b97", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling pnet v0.31.0
[INFO] [stderr]     Checking pnet_sys v0.31.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking pnet_macros_support v0.31.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking ipnetwork v0.19.0
[INFO] [stderr]     Checking pnet_datalink v0.31.0
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]     Checking pnet_packet v0.31.0
[INFO] [stderr]     Checking pnet_transport v0.31.0
[INFO] [stderr]     Checking ArpSpoof v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `pnet_datalink` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pnet_datalink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pnet_datalink` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pnet_datalink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arp_announcement` is never used
[INFO] [stdout]   --> src/arp_packets.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn arp_announcement(sender_mac: MacAddr, sender_target_ip: Ipv4Addr) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arp_announcement` is never used
[INFO] [stdout]   --> src/arp_packets.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn arp_announcement(sender_mac: MacAddr, sender_target_ip: Ipv4Addr) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.49s
[INFO] running `Command { std: "docker" "inspect" "52eb4add58cded2a9430fe79602a69adf5143479a71217dc7bc206fd2b8c9b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52eb4add58cded2a9430fe79602a69adf5143479a71217dc7bc206fd2b8c9b97", kill_on_drop: false }`
[INFO] [stdout] 52eb4add58cded2a9430fe79602a69adf5143479a71217dc7bc206fd2b8c9b97