[INFO] fetching crate ops-grpc 0.1.0...
[INFO] checking ops-grpc-0.1.0 against beta for pr-78714
[INFO] extracting crate ops-grpc 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ops-grpc 0.1.0 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 ops-grpc 0.1.0
[INFO] finished tweaking crates.io crate ops-grpc 0.1.0
[INFO] tweaked toml for crates.io crate ops-grpc 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23535de1e9cfefc78783487e50b62b0353ac36ef06df3a995be1d1b8eda2258e
[INFO] running `Command { std: "docker" "start" "-a" "23535de1e9cfefc78783487e50b62b0353ac36ef06df3a995be1d1b8eda2258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23535de1e9cfefc78783487e50b62b0353ac36ef06df3a995be1d1b8eda2258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23535de1e9cfefc78783487e50b62b0353ac36ef06df3a995be1d1b8eda2258e", kill_on_drop: false }`
[INFO] [stdout] 23535de1e9cfefc78783487e50b62b0353ac36ef06df3a995be1d1b8eda2258e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8245ec5469ea210102b6467987bcece01441652322d17915638b004968b9d930
[INFO] running `Command { std: "docker" "start" "-a" "8245ec5469ea210102b6467987bcece01441652322d17915638b004968b9d930", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking ops-core v0.2.0
[INFO] [stderr]    Compiling ops-grpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr] error: failed to run custom build command for `ops-grpc v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ops-grpc-2ae05f280f7f98d1/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" "8245ec5469ea210102b6467987bcece01441652322d17915638b004968b9d930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8245ec5469ea210102b6467987bcece01441652322d17915638b004968b9d930", kill_on_drop: false }`
[INFO] [stdout] 8245ec5469ea210102b6467987bcece01441652322d17915638b004968b9d930