[INFO] cloning repository https://github.com/ekrtf/rust-grpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekrtf/rust-grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekrtf%2Frust-grpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekrtf%2Frust-grpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f17bf271c64d9dc9f9fa4164249f5c5ff9286c94
[INFO] testing ekrtf/rust-grpc against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekrtf%2Frust-grpc" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekrtf/rust-grpc on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekrtf/rust-grpc
[INFO] finished tweaking git repo https://github.com/ekrtf/rust-grpc
[INFO] tweaked toml for git repo https://github.com/ekrtf/rust-grpc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ekrtf/rust-grpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.2.0
[INFO] [stderr]   Downloaded tonic v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db951399f0c9517dd0a6e6dfa04fbf8b2ce85f93025704ce2a1d56b244c1e5a1
[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" "db951399f0c9517dd0a6e6dfa04fbf8b2ce85f93025704ce2a1d56b244c1e5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db951399f0c9517dd0a6e6dfa04fbf8b2ce85f93025704ce2a1d56b244c1e5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db951399f0c9517dd0a6e6dfa04fbf8b2ce85f93025704ce2a1d56b244c1e5a1", kill_on_drop: false }`
[INFO] [stdout] db951399f0c9517dd0a6e6dfa04fbf8b2ce85f93025704ce2a1d56b244c1e5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] fa8144949487a312f50ad5fd23a1da7fd08f146cb09610b536b805004ba4e94c
[INFO] running `Command { std: "docker" "start" "-a" "fa8144949487a312f50ad5fd23a1da7fd08f146cb09610b536b805004ba4e94c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tokio-rustls v0.13.1
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.2.0
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling rust-grpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr] error: failed to run custom build command for `rust-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/rust-grpc-9fba703a2c317ce2/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2021-01-01-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain beta-2021-01-01-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" "fa8144949487a312f50ad5fd23a1da7fd08f146cb09610b536b805004ba4e94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8144949487a312f50ad5fd23a1da7fd08f146cb09610b536b805004ba4e94c", kill_on_drop: false }`
[INFO] [stdout] fa8144949487a312f50ad5fd23a1da7fd08f146cb09610b536b805004ba4e94c