[INFO] updating cached repository https://github.com/linkerd/linkerd-tcp
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68ed48997fc54b0aa7c72234550e95851cf24e2e
[INFO] checking linkerd/linkerd-tcp against beta-2019-11-03 for pr-65897-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkerd%2Flinkerd-tcp" "/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/linkerd/linkerd-tcp on toolchain beta-2019-11-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-11-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/linkerd/linkerd-tcp
[INFO] finished tweaking git repo https://github.com/linkerd/linkerd-tcp
[INFO] tweaked toml for git repo https://github.com/linkerd/linkerd-tcp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/linkerd/linkerd-tcp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-11-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=allow" "-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" "+beta-2019-11-03" "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] 2fdc423ddab7529ab2bba35337e44d881dc9b03e8213c405e8e3198e6277b82e
[INFO] running `"docker" "start" "-a" "2fdc423ddab7529ab2bba35337e44d881dc9b03e8213c405e8e3198e6277b82e"`
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking tacho v0.4.2
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling ring v0.11.0
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.16
[INFO] [stderr]     Checking webpki v0.14.0
[INFO] [stderr]     Checking sct v0.1.4
[INFO] [stderr]     Checking rustls v0.10.0 (https://github.com/briansmith/rustls?branch=make_server_sni_public#ba6c42c0)
[INFO] [stderr]     Checking linkerd-tcp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.21s
[INFO] running `"docker" "inspect" "2fdc423ddab7529ab2bba35337e44d881dc9b03e8213c405e8e3198e6277b82e"`
[INFO] running `"docker" "rm" "-f" "2fdc423ddab7529ab2bba35337e44d881dc9b03e8213c405e8e3198e6277b82e"`
[INFO] [stdout] 2fdc423ddab7529ab2bba35337e44d881dc9b03e8213c405e8e3198e6277b82e