[INFO] fetching crate backing 0.0.0...
[INFO] documenting backing-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate backing 0.0.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate backing 0.0.0 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 backing 0.0.0
[INFO] finished tweaking crates.io crate backing 0.0.0
[INFO] tweaked toml for crates.io crate backing 0.0.0 written to /workspace/builds/worker-88/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 93116d17c04ede7292613cf0c6b005ef1c99a09772064b247e8464118501dbd1
[INFO] running `Command { std: "docker" "start" "-a" "93116d17c04ede7292613cf0c6b005ef1c99a09772064b247e8464118501dbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93116d17c04ede7292613cf0c6b005ef1c99a09772064b247e8464118501dbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93116d17c04ede7292613cf0c6b005ef1c99a09772064b247e8464118501dbd1", kill_on_drop: false }`
[INFO] [stdout] 93116d17c04ede7292613cf0c6b005ef1c99a09772064b247e8464118501dbd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 1a31b8341cf84b693e0cfe9ff51d8b00fb3cbc7d79b38f68c5207ac4e93e42a5
[INFO] running `Command { std: "docker" "start" "-a" "1a31b8341cf84b693e0cfe9ff51d8b00fb3cbc7d79b38f68c5207ac4e93e42a5", kill_on_drop: false }`
[INFO] [stderr]  Documenting backing v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "1a31b8341cf84b693e0cfe9ff51d8b00fb3cbc7d79b38f68c5207ac4e93e42a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a31b8341cf84b693e0cfe9ff51d8b00fb3cbc7d79b38f68c5207ac4e93e42a5", kill_on_drop: false }`
[INFO] [stdout] 1a31b8341cf84b693e0cfe9ff51d8b00fb3cbc7d79b38f68c5207ac4e93e42a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 3ed120c5762a0bf9c3e6e46e1597cf0c3a1ec7c91221d84a35c9d87a462b2b4c
[INFO] running `Command { std: "docker" "start" "-a" "3ed120c5762a0bf9c3e6e46e1597cf0c3a1ec7c91221d84a35c9d87a462b2b4c", kill_on_drop: false }`
[INFO] [stderr]  Documenting backing v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "3ed120c5762a0bf9c3e6e46e1597cf0c3a1ec7c91221d84a35c9d87a462b2b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed120c5762a0bf9c3e6e46e1597cf0c3a1ec7c91221d84a35c9d87a462b2b4c", kill_on_drop: false }`
[INFO] [stdout] 3ed120c5762a0bf9c3e6e46e1597cf0c3a1ec7c91221d84a35c9d87a462b2b4c