[INFO] fetching crate sized-chunks 0.7.0...
[INFO] documenting sized-chunks-0.7.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate sized-chunks 0.7.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate sized-chunks 0.7.0 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 sized-chunks 0.7.0
[INFO] finished tweaking crates.io crate sized-chunks 0.7.0
[INFO] tweaked toml for crates.io crate sized-chunks 0.7.0 written to /workspace/builds/worker-21/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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 1023600013c864858d723bf001d410f0f63de2c3ebdc3b4ef664da8b4381777d
[INFO] running `Command { std: "docker" "start" "-a" "1023600013c864858d723bf001d410f0f63de2c3ebdc3b4ef664da8b4381777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1023600013c864858d723bf001d410f0f63de2c3ebdc3b4ef664da8b4381777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1023600013c864858d723bf001d410f0f63de2c3ebdc3b4ef664da8b4381777d", kill_on_drop: false }`
[INFO] [stdout] 1023600013c864858d723bf001d410f0f63de2c3ebdc3b4ef664da8b4381777d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] b355d2fd574ee38dcd3af3b2ad8fd651f657f5abdd014b023461bec7c0792789
[INFO] running `Command { std: "docker" "start" "-a" "b355d2fd574ee38dcd3af3b2ad8fd651f657f5abdd014b023461bec7c0792789", kill_on_drop: false }`
[INFO] [stderr]     Checking bitmaps v3.2.0
[INFO] [stderr]  Documenting sized-chunks v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "b355d2fd574ee38dcd3af3b2ad8fd651f657f5abdd014b023461bec7c0792789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b355d2fd574ee38dcd3af3b2ad8fd651f657f5abdd014b023461bec7c0792789", kill_on_drop: false }`
[INFO] [stdout] b355d2fd574ee38dcd3af3b2ad8fd651f657f5abdd014b023461bec7c0792789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7759cd38df9a8d9b80843b5c6e5ab7cd012fe6d0b90f5007cfed6b53cbd0b60f
[INFO] running `Command { std: "docker" "start" "-a" "7759cd38df9a8d9b80843b5c6e5ab7cd012fe6d0b90f5007cfed6b53cbd0b60f", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking refpool v0.4.3
[INFO] [stderr]     Checking arbitrary v1.1.0
[INFO] [stderr]     Checking bitmaps v3.2.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking array-ops v0.1.0
[INFO] [stderr]  Documenting sized-chunks v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "7759cd38df9a8d9b80843b5c6e5ab7cd012fe6d0b90f5007cfed6b53cbd0b60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7759cd38df9a8d9b80843b5c6e5ab7cd012fe6d0b90f5007cfed6b53cbd0b60f", kill_on_drop: false }`
[INFO] [stdout] 7759cd38df9a8d9b80843b5c6e5ab7cd012fe6d0b90f5007cfed6b53cbd0b60f