[INFO] fetching crate skywalking_rust 0.1.0...
[INFO] checking skywalking_rust-0.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate skywalking_rust 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate skywalking_rust 0.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ec5c542f5abf469a70cccf1dc9d62297d22d9c0ff6d34dfa68d37227f7ea84f
[INFO] running `Command { std: "docker" "start" "-a" "5ec5c542f5abf469a70cccf1dc9d62297d22d9c0ff6d34dfa68d37227f7ea84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ec5c542f5abf469a70cccf1dc9d62297d22d9c0ff6d34dfa68d37227f7ea84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec5c542f5abf469a70cccf1dc9d62297d22d9c0ff6d34dfa68d37227f7ea84f", kill_on_drop: false }`
[INFO] [stdout] 5ec5c542f5abf469a70cccf1dc9d62297d22d9c0ff6d34dfa68d37227f7ea84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c83bde9444d6442fceea17b178be268c6b6e1483ddb0687070a2230d3e8e673
[INFO] running `Command { std: "docker" "start" "-a" "0c83bde9444d6442fceea17b178be268c6b6e1483ddb0687070a2230d3e8e673", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling skywalking_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking tower v0.4.11
[INFO] [stderr] error: failed to run custom build command for `skywalking_rust v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/skywalking_rust-458a9184f3384a0f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '9610dfe5a9a731ced1ea4923ecbd0c57fe367898'
[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] running `Command { std: "docker" "inspect" "0c83bde9444d6442fceea17b178be268c6b6e1483ddb0687070a2230d3e8e673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c83bde9444d6442fceea17b178be268c6b6e1483ddb0687070a2230d3e8e673", kill_on_drop: false }`
[INFO] [stdout] 0c83bde9444d6442fceea17b178be268c6b6e1483ddb0687070a2230d3e8e673
