[INFO] cloning repository https://github.com/nicholasbishop/grpc-bench-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicholasbishop/grpc-bench-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fgrpc-bench-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fgrpc-bench-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee675d12d39674c6814b6b7ce54aec09f30aae6a
[INFO] checking nicholasbishop/grpc-bench-rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fgrpc-bench-rs" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicholasbishop/grpc-bench-rs on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nicholasbishop/grpc-bench-rs
[INFO] finished tweaking git repo https://github.com/nicholasbishop/grpc-bench-rs
[INFO] tweaked toml for git repo https://github.com/nicholasbishop/grpc-bench-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nicholasbishop/grpc-bench-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 20f0362e4094d1fb616f665a23b663197bb589fb4b416e15cd4149a3283e8ff8
[INFO] running `"docker" "start" "-a" "20f0362e4094d1fb616f665a23b663197bb589fb4b416e15cd4149a3283e8ff8"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking tracing-core v0.1.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling grpcio-compiler v0.5.0-alpha.6
[INFO] [stderr] error: could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=959f2defca0832f4 -C extra-filename=-959f2defca0832f4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "20f0362e4094d1fb616f665a23b663197bb589fb4b416e15cd4149a3283e8ff8"`
[INFO] running `"docker" "rm" "-f" "20f0362e4094d1fb616f665a23b663197bb589fb4b416e15cd4149a3283e8ff8"`
[INFO] [stdout] 20f0362e4094d1fb616f665a23b663197bb589fb4b416e15cd4149a3283e8ff8