[INFO] fetching crate proximity-grpc 0.1.1...
[INFO] checking proximity-grpc-0.1.1 against beta for pr-78714
[INFO] extracting crate proximity-grpc 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate proximity-grpc 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proximity-grpc 0.1.1
[INFO] finished tweaking crates.io crate proximity-grpc 0.1.1
[INFO] tweaked toml for crates.io crate proximity-grpc 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc3f0c1677df53eb70c6444b6de679891313dd3ee12fa985d30260d3326c934
[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" "fdc3f0c1677df53eb70c6444b6de679891313dd3ee12fa985d30260d3326c934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc3f0c1677df53eb70c6444b6de679891313dd3ee12fa985d30260d3326c934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc3f0c1677df53eb70c6444b6de679891313dd3ee12fa985d30260d3326c934", kill_on_drop: false }`
[INFO] [stdout] fdc3f0c1677df53eb70c6444b6de679891313dd3ee12fa985d30260d3326c934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f59419a99ef2f8f836160f8afe64d0f6519e5374dc893d86663d6fef59976d2
[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" "1f59419a99ef2f8f836160f8afe64d0f6519e5374dc893d86663d6fef59976d2", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling tonic-build v0.2.0
[INFO] [stderr]    Compiling proximity-grpc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `proximity-grpc v0.1.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/proximity-grpc-015b6036bff0a56b/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain beta-x86_64-unknown-linux-gnu`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f59419a99ef2f8f836160f8afe64d0f6519e5374dc893d86663d6fef59976d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f59419a99ef2f8f836160f8afe64d0f6519e5374dc893d86663d6fef59976d2", kill_on_drop: false }`
[INFO] [stdout] 1f59419a99ef2f8f836160f8afe64d0f6519e5374dc893d86663d6fef59976d2