[INFO] updating cached repository https://github.com/icewind1991/prometheus-mdns-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/icewind1991/prometheus-mdns-rs
[INFO] [stderr]    a98390f..23db4e9  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23db4e9935743606843a96d6575bf3ca3feb1731
[INFO] checking icewind1991/prometheus-mdns-rs against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficewind1991%2Fprometheus-mdns-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icewind1991/prometheus-mdns-rs on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/icewind1991/prometheus-mdns-rs
[INFO] finished tweaking git repo https://github.com/icewind1991/prometheus-mdns-rs
[INFO] tweaked toml for git repo https://github.com/icewind1991/prometheus-mdns-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/icewind1991/prometheus-mdns-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/icewind1991/mdns`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8bbb3876cb6784a4baad9134676ad24b2f5c290d0f2655b186e8f6fe29b861f
[INFO] running `"docker" "start" "-a" "e8bbb3876cb6784a4baad9134676ad24b2f5c290d0f2655b186e8f6fe29b861f"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking main_error v0.1.0
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking atomicwrites v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking async-stream v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking mdns v0.3.1 (https://github.com/icewind1991/mdns?branch=async_await#4c0c5682)
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking prometheus-mdns-sd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `"docker" "inspect" "e8bbb3876cb6784a4baad9134676ad24b2f5c290d0f2655b186e8f6fe29b861f"`
[INFO] running `"docker" "rm" "-f" "e8bbb3876cb6784a4baad9134676ad24b2f5c290d0f2655b186e8f6fe29b861f"`
[INFO] [stdout] e8bbb3876cb6784a4baad9134676ad24b2f5c290d0f2655b186e8f6fe29b861f