[INFO] fetching crate core-error 0.0.1-rc4...
[INFO] documenting core-error-0.0.1-rc4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate core-error 0.0.1-rc4 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate core-error 0.0.1-rc4 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 core-error 0.0.1-rc4
[INFO] finished tweaking crates.io crate core-error 0.0.1-rc4
[INFO] tweaked toml for crates.io crate core-error 0.0.1-rc4 written to /workspace/builds/worker-41/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] b33dd62e026355495ffd8f5219246c780a10cd98f2bade9e96fa807fc8de00cb
[INFO] running `Command { std: "docker" "start" "-a" "b33dd62e026355495ffd8f5219246c780a10cd98f2bade9e96fa807fc8de00cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b33dd62e026355495ffd8f5219246c780a10cd98f2bade9e96fa807fc8de00cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33dd62e026355495ffd8f5219246c780a10cd98f2bade9e96fa807fc8de00cb", kill_on_drop: false }`
[INFO] [stdout] b33dd62e026355495ffd8f5219246c780a10cd98f2bade9e96fa807fc8de00cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 7eeb68a32aa679d7d8d32b0d8a2905e483e9b8c2d8e00115a6d66e0133f1ed77
[INFO] running `Command { std: "docker" "start" "-a" "7eeb68a32aa679d7d8d32b0d8a2905e483e9b8c2d8e00115a6d66e0133f1ed77", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "7eeb68a32aa679d7d8d32b0d8a2905e483e9b8c2d8e00115a6d66e0133f1ed77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eeb68a32aa679d7d8d32b0d8a2905e483e9b8c2d8e00115a6d66e0133f1ed77", kill_on_drop: false }`
[INFO] [stdout] 7eeb68a32aa679d7d8d32b0d8a2905e483e9b8c2d8e00115a6d66e0133f1ed77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5120f062841aea5545320e7be33cef852c8739e7c1ec9dc3f243c433dec7b833
[INFO] running `Command { std: "docker" "start" "-a" "5120f062841aea5545320e7be33cef852c8739e7c1ec9dc3f243c433dec7b833", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "5120f062841aea5545320e7be33cef852c8739e7c1ec9dc3f243c433dec7b833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5120f062841aea5545320e7be33cef852c8739e7c1ec9dc3f243c433dec7b833", kill_on_drop: false }`
[INFO] [stdout] 5120f062841aea5545320e7be33cef852c8739e7c1ec9dc3f243c433dec7b833