[INFO] fetching crate scall 0.2.5...
[INFO] documenting scall-0.2.5 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate scall 0.2.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scall 0.2.5 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scall 0.2.5
[INFO] finished tweaking crates.io crate scall 0.2.5
[INFO] tweaked toml for crates.io crate scall 0.2.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate scall 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bddac3d1d1936414b87a46a5e89e3d3acc983df40a9214dc3c4184c1f72ec9f
[INFO] running `Command { std: "docker" "start" "-a" "9bddac3d1d1936414b87a46a5e89e3d3acc983df40a9214dc3c4184c1f72ec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bddac3d1d1936414b87a46a5e89e3d3acc983df40a9214dc3c4184c1f72ec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bddac3d1d1936414b87a46a5e89e3d3acc983df40a9214dc3c4184c1f72ec9f", kill_on_drop: false }`
[INFO] [stdout] 9bddac3d1d1936414b87a46a5e89e3d3acc983df40a9214dc3c4184c1f72ec9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a38ac39b228f3372093e9bf2c841a0f205e6e72a4de5b44bb330fcce47d7cc
[INFO] running `Command { std: "docker" "start" "-a" "f1a38ac39b228f3372093e9bf2c841a0f205e6e72a4de5b44bb330fcce47d7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling scall v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting scall v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "f1a38ac39b228f3372093e9bf2c841a0f205e6e72a4de5b44bb330fcce47d7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a38ac39b228f3372093e9bf2c841a0f205e6e72a4de5b44bb330fcce47d7cc", kill_on_drop: false }`
[INFO] [stdout] f1a38ac39b228f3372093e9bf2c841a0f205e6e72a4de5b44bb330fcce47d7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustflags=[\"--cfg\", \"docsrs\"]" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9c4f4493d6b3418e1fb01bc0d97bfb90fb7314ac36dfa53c3bfc34fe3e4a79b9
[INFO] running `Command { std: "docker" "start" "-a" "9c4f4493d6b3418e1fb01bc0d97bfb90fb7314ac36dfa53c3bfc34fe3e4a79b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling scall v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting scall v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9c4f4493d6b3418e1fb01bc0d97bfb90fb7314ac36dfa53c3bfc34fe3e4a79b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4f4493d6b3418e1fb01bc0d97bfb90fb7314ac36dfa53c3bfc34fe3e4a79b9", kill_on_drop: false }`
[INFO] [stdout] 9c4f4493d6b3418e1fb01bc0d97bfb90fb7314ac36dfa53c3bfc34fe3e4a79b9