[INFO] fetching crate custom_error_core 1.9.0...
[INFO] documenting custom_error_core-1.9.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate custom_error_core 1.9.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate custom_error_core 1.9.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate custom_error_core 1.9.0
[INFO] finished tweaking crates.io crate custom_error_core 1.9.0
[INFO] tweaked toml for crates.io crate custom_error_core 1.9.0 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fe04350af642cd7747d2bc7b2355bbb6fbdc47ac6ae6349458bfb3e7e5cfca
[INFO] running `Command { std: "docker" "start" "-a" "61fe04350af642cd7747d2bc7b2355bbb6fbdc47ac6ae6349458bfb3e7e5cfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fe04350af642cd7747d2bc7b2355bbb6fbdc47ac6ae6349458bfb3e7e5cfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fe04350af642cd7747d2bc7b2355bbb6fbdc47ac6ae6349458bfb3e7e5cfca", kill_on_drop: false }`
[INFO] [stdout] 61fe04350af642cd7747d2bc7b2355bbb6fbdc47ac6ae6349458bfb3e7e5cfca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd2d2019271829e60046ca574051bb808c3c17da564e4b008a3dc70e2c7abaf
[INFO] running `Command { std: "docker" "start" "-a" "0fd2d2019271829e60046ca574051bb808c3c17da564e4b008a3dc70e2c7abaf", kill_on_drop: false }`
[INFO] [stderr]  Documenting custom_error_core v1.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "0fd2d2019271829e60046ca574051bb808c3c17da564e4b008a3dc70e2c7abaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd2d2019271829e60046ca574051bb808c3c17da564e4b008a3dc70e2c7abaf", kill_on_drop: false }`
[INFO] [stdout] 0fd2d2019271829e60046ca574051bb808c3c17da564e4b008a3dc70e2c7abaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d585021b557a17c475218c92e63d2f8310768f300a5cce0e148f4818c23e2ca8
[INFO] running `Command { std: "docker" "start" "-a" "d585021b557a17c475218c92e63d2f8310768f300a5cce0e148f4818c23e2ca8", kill_on_drop: false }`
[INFO] [stderr]  Documenting custom_error_core v1.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "d585021b557a17c475218c92e63d2f8310768f300a5cce0e148f4818c23e2ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d585021b557a17c475218c92e63d2f8310768f300a5cce0e148f4818c23e2ca8", kill_on_drop: false }`
[INFO] [stdout] d585021b557a17c475218c92e63d2f8310768f300a5cce0e148f4818c23e2ca8