[INFO] fetching crate linkerd2-proxy-api 0.2.0...
[INFO] testing linkerd2-proxy-api-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate linkerd2-proxy-api 0.2.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate linkerd2-proxy-api 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linkerd2-proxy-api 0.2.0
[INFO] finished tweaking crates.io crate linkerd2-proxy-api 0.2.0
[INFO] tweaked toml for crates.io crate linkerd2-proxy-api 0.2.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2910ec39e73c05e01b010ff3ada4246221dadfd712f87cee59633b7b88ee35
[INFO] running `Command { std: "docker" "start" "-a" "2e2910ec39e73c05e01b010ff3ada4246221dadfd712f87cee59633b7b88ee35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2910ec39e73c05e01b010ff3ada4246221dadfd712f87cee59633b7b88ee35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2910ec39e73c05e01b010ff3ada4246221dadfd712f87cee59633b7b88ee35", kill_on_drop: false }`
[INFO] [stdout] 2e2910ec39e73c05e01b010ff3ada4246221dadfd712f87cee59633b7b88ee35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47872ad97a76646ba50cd1efe11cae7c011c5e40c5e3e9ac554c42630a3cf10a
[INFO] running `Command { std: "docker" "start" "-a" "47872ad97a76646ba50cd1efe11cae7c011c5e40c5e3e9ac554c42630a3cf10a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling tonic v0.5.2
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]    Compiling linkerd2-proxy-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `linkerd2-proxy-api v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/linkerd2-proxy-api-4022d1d20e189bb9/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: "no interfaces enabled"
[INFO] running `Command { std: "docker" "inspect" "47872ad97a76646ba50cd1efe11cae7c011c5e40c5e3e9ac554c42630a3cf10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47872ad97a76646ba50cd1efe11cae7c011c5e40c5e3e9ac554c42630a3cf10a", kill_on_drop: false }`
[INFO] [stdout] 47872ad97a76646ba50cd1efe11cae7c011c5e40c5e3e9ac554c42630a3cf10a