[INFO] cloning repository https://github.com/andydixon/rust-pcap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andydixon/rust-pcap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandydixon%2Frust-pcap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandydixon%2Frust-pcap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4055146057503c1449e69d1094cb94f5eea54861
[INFO] checking andydixon/rust-pcap against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandydixon%2Frust-pcap" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andydixon/rust-pcap 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/andydixon/rust-pcap
[INFO] finished tweaking git repo https://github.com/andydixon/rust-pcap
[INFO] tweaked toml for git repo https://github.com/andydixon/rust-pcap written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andydixon/rust-pcap 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 hexdump v0.1.1
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded pcap v1.0.0
[INFO] [stderr]   Downloaded pktparse v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6147aa5889e6ce9331f39469e2f66b9befbf6d2ac46ae08800bbdcd7ed5879d3
[INFO] running `Command { std: "docker" "start" "-a" "6147aa5889e6ce9331f39469e2f66b9befbf6d2ac46ae08800bbdcd7ed5879d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6147aa5889e6ce9331f39469e2f66b9befbf6d2ac46ae08800bbdcd7ed5879d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6147aa5889e6ce9331f39469e2f66b9befbf6d2ac46ae08800bbdcd7ed5879d3", kill_on_drop: false }`
[INFO] [stdout] 6147aa5889e6ce9331f39469e2f66b9befbf6d2ac46ae08800bbdcd7ed5879d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 95bac528c484a112d499a305296a7e674b263c1a0cfd1c6865b742f3b8835367
[INFO] running `Command { std: "docker" "start" "-a" "95bac528c484a112d499a305296a7e674b263c1a0cfd1c6865b742f3b8835367", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]     Checking hexdump v0.1.1
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]     Checking pktparse v0.7.1
[INFO] [stderr]    Compiling pcap v1.0.0
[INFO] [stderr]     Checking sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip4hdr`
[INFO] [stdout]   --> src/main.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |             if let Ok((remaining, ip4hdr)) = ipv4::parse_ipv4_header(remaining) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip4hdr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip4hdr`
[INFO] [stdout]   --> src/main.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |             if let Ok((remaining, ip4hdr)) = ipv4::parse_ipv4_header(remaining) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip4hdr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 5.76s
[INFO] running `Command { std: "docker" "inspect" "95bac528c484a112d499a305296a7e674b263c1a0cfd1c6865b742f3b8835367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95bac528c484a112d499a305296a7e674b263c1a0cfd1c6865b742f3b8835367", kill_on_drop: false }`
[INFO] [stdout] 95bac528c484a112d499a305296a7e674b263c1a0cfd1c6865b742f3b8835367