[INFO] fetching crate rcstruct 0.2.0...
[INFO] documenting rcstruct-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rcstruct 0.2.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate rcstruct 0.2.0 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 crates.io crate rcstruct 0.2.0
[INFO] finished tweaking crates.io crate rcstruct 0.2.0
[INFO] tweaked toml for crates.io crate rcstruct 0.2.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 8187a39a166fb12728d5daa15c4db028bff04ab4fbc4e4704f21b7853b9c8124
[INFO] running `Command { std: "docker" "start" "-a" "8187a39a166fb12728d5daa15c4db028bff04ab4fbc4e4704f21b7853b9c8124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8187a39a166fb12728d5daa15c4db028bff04ab4fbc4e4704f21b7853b9c8124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8187a39a166fb12728d5daa15c4db028bff04ab4fbc4e4704f21b7853b9c8124", kill_on_drop: false }`
[INFO] [stdout] 8187a39a166fb12728d5daa15c4db028bff04ab4fbc4e4704f21b7853b9c8124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 44481138f2a9295a2d7ac8cdc3ae572aafebd40fd6cd1acd5664421b40ffb75c
[INFO] running `Command { std: "docker" "start" "-a" "44481138f2a9295a2d7ac8cdc3ae572aafebd40fd6cd1acd5664421b40ffb75c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting rcstruct v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "44481138f2a9295a2d7ac8cdc3ae572aafebd40fd6cd1acd5664421b40ffb75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44481138f2a9295a2d7ac8cdc3ae572aafebd40fd6cd1acd5664421b40ffb75c", kill_on_drop: false }`
[INFO] [stdout] 44481138f2a9295a2d7ac8cdc3ae572aafebd40fd6cd1acd5664421b40ffb75c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a119e7fc44b4ef9a23953b2185f9b8befd1d70cb9ddf7ab9de8fa0a9c0c1e38d
[INFO] running `Command { std: "docker" "start" "-a" "a119e7fc44b4ef9a23953b2185f9b8befd1d70cb9ddf7ab9de8fa0a9c0c1e38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting rcstruct v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "a119e7fc44b4ef9a23953b2185f9b8befd1d70cb9ddf7ab9de8fa0a9c0c1e38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a119e7fc44b4ef9a23953b2185f9b8befd1d70cb9ddf7ab9de8fa0a9c0c1e38d", kill_on_drop: false }`
[INFO] [stdout] a119e7fc44b4ef9a23953b2185f9b8befd1d70cb9ddf7ab9de8fa0a9c0c1e38d