[INFO] cloning repository https://github.com/ArmsOfSorrow/ui-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArmsOfSorrow/ui-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArmsOfSorrow%2Fui-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArmsOfSorrow%2Fui-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de453611a7c310958d434c1639438257fe61b1a1
[INFO] documenting ArmsOfSorrow/ui-experiments against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArmsOfSorrow%2Fui-experiments" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArmsOfSorrow/ui-experiments on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArmsOfSorrow/ui-experiments
[INFO] finished tweaking git repo https://github.com/ArmsOfSorrow/ui-experiments
[INFO] tweaked toml for git repo https://github.com/ArmsOfSorrow/ui-experiments written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/ArmsOfSorrow/ui-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded iui v0.3.0
[INFO] [stderr]   Downloaded ui-sys v0.1.3
[INFO] [stderr]   Downloaded cmake v0.1.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00496551df94502f86f4d4bd90939fe750cff7aece0c1e5e8c74532c45082b5f
[INFO] running `Command { std: "docker" "start" "-a" "00496551df94502f86f4d4bd90939fe750cff7aece0c1e5e8c74532c45082b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00496551df94502f86f4d4bd90939fe750cff7aece0c1e5e8c74532c45082b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00496551df94502f86f4d4bd90939fe750cff7aece0c1e5e8c74532c45082b5f", kill_on_drop: false }`
[INFO] [stdout] 00496551df94502f86f4d4bd90939fe750cff7aece0c1e5e8c74532c45082b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90c259848c5cb0602b1b50ecd80a42dd8df8d5d8d186cce536fcbf63e5cf193
[INFO] running `Command { std: "docker" "start" "-a" "e90c259848c5cb0602b1b50ecd80a42dd8df8d5d8d186cce536fcbf63e5cf193", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling ui-sys v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking iui v0.3.0
[INFO] [stderr]  Documenting ui-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `Command { std: "docker" "inspect" "e90c259848c5cb0602b1b50ecd80a42dd8df8d5d8d186cce536fcbf63e5cf193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90c259848c5cb0602b1b50ecd80a42dd8df8d5d8d186cce536fcbf63e5cf193", kill_on_drop: false }`
[INFO] [stdout] e90c259848c5cb0602b1b50ecd80a42dd8df8d5d8d186cce536fcbf63e5cf193