[INFO] fetching crate skywalking_rust 0.1.0...
[INFO] testing skywalking_rust-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate skywalking_rust 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate skywalking_rust 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate skywalking_rust 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate skywalking_rust 0.1.0
[INFO] tweaked toml for crates.io crate skywalking_rust 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate skywalking_rust 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 12708d5e913fb7a0c29f6b5e2157064e1a099b82eac2f989743ec328eb78779b
[INFO] running `Command { std: "docker" "start" "-a" "12708d5e913fb7a0c29f6b5e2157064e1a099b82eac2f989743ec328eb78779b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12708d5e913fb7a0c29f6b5e2157064e1a099b82eac2f989743ec328eb78779b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12708d5e913fb7a0c29f6b5e2157064e1a099b82eac2f989743ec328eb78779b", kill_on_drop: false }`
[INFO] [stdout] 12708d5e913fb7a0c29f6b5e2157064e1a099b82eac2f989743ec328eb78779b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3df5be1b9ad04f33ef6a71de3b8e613c1c9d151358b8127ae4d15f7f93b2f3
[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" "3e3df5be1b9ad04f33ef6a71de3b8e613c1c9d151358b8127ae4d15f7f93b2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling skywalking_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tower v0.4.11
[INFO] [stderr] error: failed to run custom build command for `skywalking_rust v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/skywalking_rust-f4c61446303f531e/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '1.59.0-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain 1.59.0-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" "3e3df5be1b9ad04f33ef6a71de3b8e613c1c9d151358b8127ae4d15f7f93b2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3df5be1b9ad04f33ef6a71de3b8e613c1c9d151358b8127ae4d15f7f93b2f3", kill_on_drop: false }`
[INFO] [stdout] 3e3df5be1b9ad04f33ef6a71de3b8e613c1c9d151358b8127ae4d15f7f93b2f3