[INFO] cloning repository https://github.com/abhijeetbhagat/llvm-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhijeetbhagat/llvm-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fllvm-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fllvm-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1f1e1be2d342229b2226da8044e5684683b3615
[INFO] documenting abhijeetbhagat/llvm-test against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fllvm-test" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abhijeetbhagat/llvm-test on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abhijeetbhagat/llvm-test
[INFO] finished tweaking git repo https://github.com/abhijeetbhagat/llvm-test
[INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/llvm-test written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/abhijeetbhagat/llvm-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded advapi32-sys v0.1.2
[INFO] [stderr]   Downloaded gcc v0.3.13
[INFO] [stderr]   Downloaded bitflags v0.3.2
[INFO] [stderr]   Downloaded winapi v0.2.2
[INFO] [stderr]   Downloaded llvm-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4f2a997bcfc0959ac571e78d871aa2e4094539ad8a7833f88828bb39fa56837
[INFO] running `Command { std: "docker" "start" "-a" "c4f2a997bcfc0959ac571e78d871aa2e4094539ad8a7833f88828bb39fa56837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f2a997bcfc0959ac571e78d871aa2e4094539ad8a7833f88828bb39fa56837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f2a997bcfc0959ac571e78d871aa2e4094539ad8a7833f88828bb39fa56837", kill_on_drop: false }`
[INFO] [stdout] c4f2a997bcfc0959ac571e78d871aa2e4094539ad8a7833f88828bb39fa56837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff112e1f38299e7d9b1df9282be16fa1d5cece701e46b36b863e7b3dcca0ac8f
[INFO] running `Command { std: "docker" "start" "-a" "ff112e1f38299e7d9b1df9282be16fa1d5cece701e46b36b863e7b3dcca0ac8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.13
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]     Checking bitflags v0.3.2
[INFO] [stderr]    Compiling llvm-sys v0.2.0
[INFO] [stderr]  Documenting llvm-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(libc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `llvm-test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name llvm_test src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3d16e95edcdd1201 -L dependency=/opt/rustwide/target/debug/deps --extern llvm_sys=/opt/rustwide/target/debug/deps/libllvm_sys-25ac915007031c4c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ff112e1f38299e7d9b1df9282be16fa1d5cece701e46b36b863e7b3dcca0ac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff112e1f38299e7d9b1df9282be16fa1d5cece701e46b36b863e7b3dcca0ac8f", kill_on_drop: false }`
[INFO] [stdout] ff112e1f38299e7d9b1df9282be16fa1d5cece701e46b36b863e7b3dcca0ac8f