[INFO] fetching crate protoc-grpc 0.0.0...
[INFO] checking protoc-grpc-0.0.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate protoc-grpc 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate protoc-grpc 0.0.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protoc-grpc 0.0.0
[INFO] finished tweaking crates.io crate protoc-grpc 0.0.0
[INFO] tweaked toml for crates.io crate protoc-grpc 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grpcio-compiler v0.3.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.0.6
[INFO] [stderr]   Downloaded protobuf v2.0.6
[INFO] [stderr]   Downloaded protoc v2.0.6
[INFO] [stderr]   Downloaded protoc-rust v2.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", 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] 76931a122cc72c99e059bb0def01cfe6fa2eb7f1d3b2cf52cbe8d0bdb9ecfd0b
[INFO] running `Command { std: "docker" "start" "-a" "76931a122cc72c99e059bb0def01cfe6fa2eb7f1d3b2cf52cbe8d0bdb9ecfd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76931a122cc72c99e059bb0def01cfe6fa2eb7f1d3b2cf52cbe8d0bdb9ecfd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76931a122cc72c99e059bb0def01cfe6fa2eb7f1d3b2cf52cbe8d0bdb9ecfd0b", kill_on_drop: false }`
[INFO] [stdout] 76931a122cc72c99e059bb0def01cfe6fa2eb7f1d3b2cf52cbe8d0bdb9ecfd0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94508069339ff152643c2a36b097f1df785ca24d6e52554166c789e84c731ca0
[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" "94508069339ff152643c2a36b097f1df785ca24d6e52554166c789e84c731ca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]     Checking protoc v2.0.6
[INFO] [stderr]     Checking protobuf-codegen v2.0.6
[INFO] [stderr]     Checking grpcio-compiler v0.3.0
[INFO] [stderr]     Checking protoc-rust v2.0.6
[INFO] [stderr]     Checking protoc-grpc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "94508069339ff152643c2a36b097f1df785ca24d6e52554166c789e84c731ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94508069339ff152643c2a36b097f1df785ca24d6e52554166c789e84c731ca0", kill_on_drop: false }`
[INFO] [stdout] 94508069339ff152643c2a36b097f1df785ca24d6e52554166c789e84c731ca0