[INFO] fetching crate grpcio-compiler 0.6.0...
[INFO] checking grpcio-compiler-0.6.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate grpcio-compiler 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grpcio-compiler 0.6.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grpcio-compiler 0.6.0
[INFO] finished tweaking crates.io crate grpcio-compiler 0.6.0
[INFO] tweaked toml for crates.io crate grpcio-compiler 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate grpcio-compiler 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dfd03191f164e245a84f7794142b2378425275c81e6c9bca647df730d96e6bd
[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" "3dfd03191f164e245a84f7794142b2378425275c81e6c9bca647df730d96e6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dfd03191f164e245a84f7794142b2378425275c81e6c9bca647df730d96e6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfd03191f164e245a84f7794142b2378425275c81e6c9bca647df730d96e6bd", kill_on_drop: false }`
[INFO] [stdout] 3dfd03191f164e245a84f7794142b2378425275c81e6c9bca647df730d96e6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f8d08489a008761569e8de2ad07f693472a443d272acd8cebfbf31e15fddaae
[INFO] running `Command { std: "docker" "start" "-a" "2f8d08489a008761569e8de2ad07f693472a443d272acd8cebfbf31e15fddaae", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking grpcio-compiler v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "2f8d08489a008761569e8de2ad07f693472a443d272acd8cebfbf31e15fddaae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8d08489a008761569e8de2ad07f693472a443d272acd8cebfbf31e15fddaae", kill_on_drop: false }`
[INFO] [stdout] 2f8d08489a008761569e8de2ad07f693472a443d272acd8cebfbf31e15fddaae