[INFO] cloning repository https://github.com/elpiel/rust-wc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elpiel/rust-wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felpiel%2Frust-wc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felpiel%2Frust-wc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 713207ba692411e156aae9a04416270ce9eff312
[INFO] documenting elpiel/rust-wc 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%2Felpiel%2Frust-wc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elpiel/rust-wc 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/elpiel/rust-wc
[INFO] finished tweaking git repo https://github.com/elpiel/rust-wc
[INFO] tweaked toml for git repo https://github.com/elpiel/rust-wc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/elpiel/rust-wc 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 52c5c78708c6c5c30dab4c0d9eca0c156f47470026c80e3e50cf3339c6dd3b85
[INFO] running `Command { std: "docker" "start" "-a" "52c5c78708c6c5c30dab4c0d9eca0c156f47470026c80e3e50cf3339c6dd3b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c5c78708c6c5c30dab4c0d9eca0c156f47470026c80e3e50cf3339c6dd3b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c5c78708c6c5c30dab4c0d9eca0c156f47470026c80e3e50cf3339c6dd3b85", kill_on_drop: false }`
[INFO] [stdout] 52c5c78708c6c5c30dab4c0d9eca0c156f47470026c80e3e50cf3339c6dd3b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 80e6682ab6245eec99489d6d61f02b1850c829194afa102ec369583aa405aaaa
[INFO] running `Command { std: "docker" "start" "-a" "80e6682ab6245eec99489d6d61f02b1850c829194afa102ec369583aa405aaaa", kill_on_drop: false }`
[INFO] [stderr]  Documenting wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "80e6682ab6245eec99489d6d61f02b1850c829194afa102ec369583aa405aaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e6682ab6245eec99489d6d61f02b1850c829194afa102ec369583aa405aaaa", kill_on_drop: false }`
[INFO] [stdout] 80e6682ab6245eec99489d6d61f02b1850c829194afa102ec369583aa405aaaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] b04e91dbf5c5bfa6775bcb631e06577e858606cd839d920422cba0787d44efd2
[INFO] running `Command { std: "docker" "start" "-a" "b04e91dbf5c5bfa6775bcb631e06577e858606cd839d920422cba0787d44efd2", kill_on_drop: false }`
[INFO] [stderr]  Documenting wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "b04e91dbf5c5bfa6775bcb631e06577e858606cd839d920422cba0787d44efd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04e91dbf5c5bfa6775bcb631e06577e858606cd839d920422cba0787d44efd2", kill_on_drop: false }`
[INFO] [stdout] b04e91dbf5c5bfa6775bcb631e06577e858606cd839d920422cba0787d44efd2