[INFO] cloning repository https://github.com/wangzhf/crates-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangzhf/crates-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangzhf%2Fcrates-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangzhf%2Fcrates-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40ae52fc1c53cf1576e1bfc5e9261dd905b13b11
[INFO] documenting wangzhf/crates-learning 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%2Fwangzhf%2Fcrates-learning" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangzhf/crates-learning 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/wangzhf/crates-learning
[INFO] finished tweaking git repo https://github.com/wangzhf/crates-learning
[INFO] tweaked toml for git repo https://github.com/wangzhf/crates-learning written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/wangzhf/crates-learning 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] [stderr]   Downloaded jobserver v0.1.17
[INFO] [stderr]   Downloaded rocksdb v0.12.4
[INFO] [stderr]   Downloaded librocksdb-sys v6.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 796e566e54533eb1d2a920d4d783bc38596f96294e358ecfc3c8649d7bcc184d
[INFO] running `Command { std: "docker" "start" "-a" "796e566e54533eb1d2a920d4d783bc38596f96294e358ecfc3c8649d7bcc184d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "796e566e54533eb1d2a920d4d783bc38596f96294e358ecfc3c8649d7bcc184d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796e566e54533eb1d2a920d4d783bc38596f96294e358ecfc3c8649d7bcc184d", kill_on_drop: false }`
[INFO] [stdout] 796e566e54533eb1d2a920d4d783bc38596f96294e358ecfc3c8649d7bcc184d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a89cdcb97c425de7a577d78e1edf3f82a70293f9e0a97732972b8bccbd8dcb10
[INFO] running `Command { std: "docker" "start" "-a" "a89cdcb97c425de7a577d78e1edf3f82a70293f9e0a97732972b8bccbd8dcb10", kill_on_drop: false }`
[INFO] [stderr]  Documenting crates-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "a89cdcb97c425de7a577d78e1edf3f82a70293f9e0a97732972b8bccbd8dcb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89cdcb97c425de7a577d78e1edf3f82a70293f9e0a97732972b8bccbd8dcb10", kill_on_drop: false }`
[INFO] [stdout] a89cdcb97c425de7a577d78e1edf3f82a70293f9e0a97732972b8bccbd8dcb10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] [stdout] ab613ae7f54f64e4667be4d2405f036832a089fcf4236f5e56859ac97c63246c
[INFO] running `Command { std: "docker" "start" "-a" "ab613ae7f54f64e4667be4d2405f036832a089fcf4236f5e56859ac97c63246c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: no library targets found in package `crates-learning`
[INFO] running `Command { std: "docker" "inspect" "ab613ae7f54f64e4667be4d2405f036832a089fcf4236f5e56859ac97c63246c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab613ae7f54f64e4667be4d2405f036832a089fcf4236f5e56859ac97c63246c", kill_on_drop: false }`
[INFO] [stdout] ab613ae7f54f64e4667be4d2405f036832a089fcf4236f5e56859ac97c63246c