[INFO] fetching crate kubelet 1.0.0-alpha.1...
[INFO] testing kubelet-1.0.0-alpha.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kubelet 1.0.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kubelet 1.0.0-alpha.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kubelet 1.0.0-alpha.1
[INFO] finished tweaking crates.io crate kubelet 1.0.0-alpha.1
[INFO] tweaked toml for crates.io crate kubelet 1.0.0-alpha.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75424cc0e576bcfc534716329bff455c0572f2cbab8aab6eccb57f63e99e8e60
[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" "75424cc0e576bcfc534716329bff455c0572f2cbab8aab6eccb57f63e99e8e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75424cc0e576bcfc534716329bff455c0572f2cbab8aab6eccb57f63e99e8e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75424cc0e576bcfc534716329bff455c0572f2cbab8aab6eccb57f63e99e8e60", kill_on_drop: false }`
[INFO] [stdout] 75424cc0e576bcfc534716329bff455c0572f2cbab8aab6eccb57f63e99e8e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd3dded2c8cc73fc8906c675c9a99c08965e4cad19bd286942d752b2a822293e
[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" "dd3dded2c8cc73fc8906c675c9a99c08965e4cad19bd286942d752b2a822293e", kill_on_drop: false }`
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling k8s-openapi v0.12.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling inotify v0.9.3
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling hyperx v0.13.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling notify v5.0.0-pre.12
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling yasna v0.4.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling treediff v3.0.2
[INFO] [stderr]    Compiling www-authenticate v0.3.0
[INFO] [stderr]    Compiling rcgen v0.8.13
[INFO] [stderr]    Compiling json-patch v0.2.6
[INFO] [stderr]    Compiling jsonpath_lib v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling tower-http v0.1.1
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-io-timeout v1.1.1
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]    Compiling k8s-csi v0.3.0
[INFO] [stderr]    Compiling kubelet v1.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr] error: failed to run custom build command for `k8s-csi v0.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/k8s-csi-5c37874e7cf54092/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '1.55.0-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain 1.55.0-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" "dd3dded2c8cc73fc8906c675c9a99c08965e4cad19bd286942d752b2a822293e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3dded2c8cc73fc8906c675c9a99c08965e4cad19bd286942d752b2a822293e", kill_on_drop: false }`
[INFO] [stdout] dd3dded2c8cc73fc8906c675c9a99c08965e4cad19bd286942d752b2a822293e