[INFO] crate merkle_sigs 1.7.0 is already in cache
[INFO] checking merkle_sigs-1.7.0 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate merkle_sigs 1.7.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate merkle_sigs 1.7.0 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate merkle_sigs 1.7.0
[INFO] finished tweaking crates.io crate merkle_sigs 1.7.0
[INFO] tweaked toml for crates.io crate merkle_sigs 1.7.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] 5ca6426e1b4632a844842dda6ce75bd8c66bafd01564bb7d59f5b5a304430b31
[INFO] running `"docker" "start" "-a" "5ca6426e1b4632a844842dda6ce75bd8c66bafd01564bb7d59f5b5a304430b31"`
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling protoc v2.10.1
[INFO] [stderr]     Checking lamport_sigs v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.10.1
[INFO] [stderr]    Compiling protoc-rust v2.10.1
[INFO] [stderr]    Compiling merkle v1.11.0
[INFO] [stderr] error: failed to run custom build command for `merkle v1.11.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/merkle-c4a9758a9fd4da25/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Build failed because merkle.rs could not find protobuf version 3.7.1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "5ca6426e1b4632a844842dda6ce75bd8c66bafd01564bb7d59f5b5a304430b31"`
[INFO] running `"docker" "rm" "-f" "5ca6426e1b4632a844842dda6ce75bd8c66bafd01564bb7d59f5b5a304430b31"`
[INFO] [stdout] 5ca6426e1b4632a844842dda6ce75bd8c66bafd01564bb7d59f5b5a304430b31