[INFO] cloning repository https://github.com/BookOwl/kaleidoscope-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BookOwl/kaleidoscope-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBookOwl%2Fkaleidoscope-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBookOwl%2Fkaleidoscope-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0a5bf9b7e47935cf74cd61cf88af74969dba876
[INFO] documenting BookOwl/kaleidoscope-rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBookOwl%2Fkaleidoscope-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BookOwl/kaleidoscope-rs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BookOwl/kaleidoscope-rs
[INFO] finished tweaking git repo https://github.com/BookOwl/kaleidoscope-rs
[INFO] tweaked toml for git repo https://github.com/BookOwl/kaleidoscope-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/BookOwl/kaleidoscope-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/TomBebb/llvm-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/TomBebbington/llvm-sys.rs`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 953586f5445d662d47752c0db1734b35333c408c73761310bb8bdee865b1131e
[INFO] running `Command { std: "docker" "start" "-a" "953586f5445d662d47752c0db1734b35333c408c73761310bb8bdee865b1131e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953586f5445d662d47752c0db1734b35333c408c73761310bb8bdee865b1131e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953586f5445d662d47752c0db1734b35333c408c73761310bb8bdee865b1131e", kill_on_drop: false }`
[INFO] [stdout] 953586f5445d662d47752c0db1734b35333c408c73761310bb8bdee865b1131e
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81c3c0e3714d85d569c67e10d3dafb30cda77dc5c5569fcb04f358f354457acd
[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" "81c3c0e3714d85d569c67e10d3dafb30cda77dc5c5569fcb04f358f354457acd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling llvm-alt v0.5.0 (https://github.com/TomBebb/llvm-rs.git#1aeff086)
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking cbox v0.3.0
[INFO] [stderr]    Compiling llvm-sys v0.3.0 (https://github.com/TomBebbington/llvm-sys.rs#88a4f2da)
[INFO] [stderr]    Compiling kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "81c3c0e3714d85d569c67e10d3dafb30cda77dc5c5569fcb04f358f354457acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c3c0e3714d85d569c67e10d3dafb30cda77dc5c5569fcb04f358f354457acd", kill_on_drop: false }`
[INFO] [stdout] 81c3c0e3714d85d569c67e10d3dafb30cda77dc5c5569fcb04f358f354457acd