[INFO] cloning repository https://github.com/amrhassan/grpc-health-dummy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amrhassan/grpc-health-dummy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famrhassan%2Fgrpc-health-dummy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famrhassan%2Fgrpc-health-dummy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3e19692c3c3aec91c9768f04c8a71d44f01f0c2
[INFO] testing amrhassan/grpc-health-dummy against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famrhassan%2Fgrpc-health-dummy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amrhassan/grpc-health-dummy on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amrhassan/grpc-health-dummy
[INFO] finished tweaking git repo https://github.com/amrhassan/grpc-health-dummy
[INFO] tweaked toml for git repo https://github.com/amrhassan/grpc-health-dummy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/amrhassan/grpc-health-dummy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-util v0.6.4
[INFO] [stderr]   Downloaded h2 v0.3.1
[INFO] [stderr]   Downloaded tonic v0.4.0
[INFO] [stderr]   Downloaded tonic-build v0.4.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.4
[INFO] [stderr]   Downloaded tokio v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b5911b264cad6baca0c6bfcfa22544409cdda6b1930eeb2c4ec202271559ca6
[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" "6b5911b264cad6baca0c6bfcfa22544409cdda6b1930eeb2c4ec202271559ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5911b264cad6baca0c6bfcfa22544409cdda6b1930eeb2c4ec202271559ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5911b264cad6baca0c6bfcfa22544409cdda6b1930eeb2c4ec202271559ca6", kill_on_drop: false }`
[INFO] [stdout] 6b5911b264cad6baca0c6bfcfa22544409cdda6b1930eeb2c4ec202271559ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5053f1702ee84d3cda36baf6933449b2c102e758793b005f76c5b9a40e04b4e9
[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" "5053f1702ee84d3cda36baf6933449b2c102e758793b005f76c5b9a40e04b4e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.6.4
[INFO] [stderr]    Compiling tokio-stream v0.1.4
[INFO] [stderr]    Compiling h2 v0.3.1
[INFO] [stderr]    Compiling tower v0.4.6
[INFO] [stderr]    Compiling tonic-build v0.4.0
[INFO] [stderr]    Compiling grpc-health-dummy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpc-health-dummy v0.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grpc-health-dummy-303feb0fe2c673ac/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'ce59db7a1b1b012fb2793c4641c1bdecad7a128b'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5053f1702ee84d3cda36baf6933449b2c102e758793b005f76c5b9a40e04b4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5053f1702ee84d3cda36baf6933449b2c102e758793b005f76c5b9a40e04b4e9", kill_on_drop: false }`
[INFO] [stdout] 5053f1702ee84d3cda36baf6933449b2c102e758793b005f76c5b9a40e04b4e9