[INFO] cloning repository https://github.com/phodal/llvm-rust-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phodal/llvm-rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Fllvm-rust-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Fllvm-rust-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cc2e45d5c1cf9629e0a4861a1ab890d0342ac0d
[INFO] documenting phodal/llvm-rust-demo 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%2Fphodal%2Fllvm-rust-demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phodal/llvm-rust-demo 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/phodal/llvm-rust-demo
[INFO] finished tweaking git repo https://github.com/phodal/llvm-rust-demo
[INFO] tweaked toml for git repo https://github.com/phodal/llvm-rust-demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/phodal/llvm-rust-demo 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]     Updating git repository `https://github.com/jauhien/iron-llvm.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded llvm-sys v0.2.1
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded regex_macros v0.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5889659bb67ef53c54692ed26b8f131a48f5d58aa6810c78d6d3577e0e240076
[INFO] running `Command { std: "docker" "start" "-a" "5889659bb67ef53c54692ed26b8f131a48f5d58aa6810c78d6d3577e0e240076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5889659bb67ef53c54692ed26b8f131a48f5d58aa6810c78d6d3577e0e240076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5889659bb67ef53c54692ed26b8f131a48f5d58aa6810c78d6d3577e0e240076", kill_on_drop: false }`
[INFO] [stdout] 5889659bb67ef53c54692ed26b8f131a48f5d58aa6810c78d6d3577e0e240076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43d99ab14ec54f83be32e95b0b9fdf496df1aec1dfc889364c71afb5d2c1577c
[INFO] running `Command { std: "docker" "start" "-a" "43d99ab14ec54f83be32e95b0b9fdf496df1aec1dfc889364c71afb5d2c1577c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#4e8c101e)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]    Compiling inkwell_internals v0.2.0 (https://github.com/TheDan64/inkwell?branch=master#4e8c101e)
[INFO] [stderr]  Documenting llvm-rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.52s
[INFO] running `Command { std: "docker" "inspect" "43d99ab14ec54f83be32e95b0b9fdf496df1aec1dfc889364c71afb5d2c1577c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d99ab14ec54f83be32e95b0b9fdf496df1aec1dfc889364c71afb5d2c1577c", kill_on_drop: false }`
[INFO] [stdout] 43d99ab14ec54f83be32e95b0b9fdf496df1aec1dfc889364c71afb5d2c1577c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] a7d6bb7f1ca06906f4ec92a71a960b9a2be1be44f9a3261caeb1bab77aed06eb
[INFO] running `Command { std: "docker" "start" "-a" "a7d6bb7f1ca06906f4ec92a71a960b9a2be1be44f9a3261caeb1bab77aed06eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: no library targets found in package `llvm-rust-demo`
[INFO] running `Command { std: "docker" "inspect" "a7d6bb7f1ca06906f4ec92a71a960b9a2be1be44f9a3261caeb1bab77aed06eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d6bb7f1ca06906f4ec92a71a960b9a2be1be44f9a3261caeb1bab77aed06eb", kill_on_drop: false }`
[INFO] [stdout] a7d6bb7f1ca06906f4ec92a71a960b9a2be1be44f9a3261caeb1bab77aed06eb