[INFO] cloning repository https://github.com/DominoTree/rs-dns-sniffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DominoTree/rs-dns-sniffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominoTree%2Frs-dns-sniffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominoTree%2Frs-dns-sniffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12b3d0f970d55739048ca9f65fdeb8ecbd53b5ed
[INFO] checking DominoTree/rs-dns-sniffer against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominoTree%2Frs-dns-sniffer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DominoTree/rs-dns-sniffer on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DominoTree/rs-dns-sniffer
[INFO] finished tweaking git repo https://github.com/DominoTree/rs-dns-sniffer
[INFO] tweaked toml for git repo https://github.com/DominoTree/rs-dns-sniffer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DominoTree/rs-dns-sniffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded dns-parser v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded pktparse v0.2.2
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded af_packet v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4416f30f190f66162e1a470bcbcc9129bb8f2c7839628e40df21ae034c5af295
[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" "4416f30f190f66162e1a470bcbcc9129bb8f2c7839628e40df21ae034c5af295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4416f30f190f66162e1a470bcbcc9129bb8f2c7839628e40df21ae034c5af295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4416f30f190f66162e1a470bcbcc9129bb8f2c7839628e40df21ae034c5af295", kill_on_drop: false }`
[INFO] [stdout] 4416f30f190f66162e1a470bcbcc9129bb8f2c7839628e40df21ae034c5af295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c80ae66b8dde2e9973eba812e5977889f54b9a5a32ad97dbacdfc24a3a7d2e
[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" "96c80ae66b8dde2e9973eba812e5977889f54b9a5a32ad97dbacdfc24a3a7d2e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking dns-parser v0.7.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking af_packet v0.2.6
[INFO] [stderr]     Checking pktparse v0.2.2
[INFO] [stderr]     Checking rs-dns-sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "96c80ae66b8dde2e9973eba812e5977889f54b9a5a32ad97dbacdfc24a3a7d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c80ae66b8dde2e9973eba812e5977889f54b9a5a32ad97dbacdfc24a3a7d2e", kill_on_drop: false }`
[INFO] [stdout] 96c80ae66b8dde2e9973eba812e5977889f54b9a5a32ad97dbacdfc24a3a7d2e