[INFO] fetching crate llvm-alt 0.5.0...
[INFO] documenting llvm-alt-0.5.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate llvm-alt 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate llvm-alt 0.5.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate llvm-alt 0.5.0
[INFO] finished tweaking crates.io crate llvm-alt 0.5.0
[INFO] tweaked toml for crates.io crate llvm-alt 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51e283ad65892d8ffc3fed148dc353a43af110e775f8abd1968edd12ee0f3540
[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" "51e283ad65892d8ffc3fed148dc353a43af110e775f8abd1968edd12ee0f3540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e283ad65892d8ffc3fed148dc353a43af110e775f8abd1968edd12ee0f3540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e283ad65892d8ffc3fed148dc353a43af110e775f8abd1968edd12ee0f3540", kill_on_drop: false }`
[INFO] [stdout] 51e283ad65892d8ffc3fed148dc353a43af110e775f8abd1968edd12ee0f3540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] e7876ab365a1de6a16a4eab55841e547111dff53b80319684c4288976412c65b
[INFO] running `Command { std: "docker" "start" "-a" "e7876ab365a1de6a16a4eab55841e547111dff53b80319684c4288976412c65b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling llvm-alt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking cbox v0.3.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v100.0.1
[INFO] [stderr]  Documenting llvm-alt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `ffi::LLVMAttribute`
[INFO] [stdout]  --> src/value.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ffi::{core, LLVMAttribute};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 no `LLVMAttribute` in the root
[INFO] [stdout]   |                 help: a similar name exists in the module: `LLVMAttributeRef`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `llvm-alt`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name llvm src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cbox=/opt/rustwide/target/debug/deps/libcbox-95c1cee9bc924720.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d2b3585c96b24d02.rmeta --extern llvm_sys=/opt/rustwide/target/debug/deps/libllvm_sys-4e04dfc85132941c.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "e7876ab365a1de6a16a4eab55841e547111dff53b80319684c4288976412c65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7876ab365a1de6a16a4eab55841e547111dff53b80319684c4288976412c65b", kill_on_drop: false }`
[INFO] [stdout] e7876ab365a1de6a16a4eab55841e547111dff53b80319684c4288976412c65b