[INFO] fetching crate directories-next 2.0.0...
[INFO] documenting directories-next-2.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate directories-next 2.0.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate directories-next 2.0.0 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 directories-next 2.0.0
[INFO] finished tweaking crates.io crate directories-next 2.0.0
[INFO] tweaked toml for crates.io crate directories-next 2.0.0 written to /workspace/builds/worker-53/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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 20c60be364b01c4a9cfaa5fb0956017e305cb9747418f51583f65d7116d88f5c
[INFO] running `Command { std: "docker" "start" "-a" "20c60be364b01c4a9cfaa5fb0956017e305cb9747418f51583f65d7116d88f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c60be364b01c4a9cfaa5fb0956017e305cb9747418f51583f65d7116d88f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c60be364b01c4a9cfaa5fb0956017e305cb9747418f51583f65d7116d88f5c", kill_on_drop: false }`
[INFO] [stdout] 20c60be364b01c4a9cfaa5fb0956017e305cb9747418f51583f65d7116d88f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] d6bbb598adfe428a9b9ec31c9945af4abad3b45466f19a26ac7e23f1577a153f
[INFO] running `Command { std: "docker" "start" "-a" "d6bbb598adfe428a9b9ec31c9945af4abad3b45466f19a26ac7e23f1577a153f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]  Documenting directories-next v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "d6bbb598adfe428a9b9ec31c9945af4abad3b45466f19a26ac7e23f1577a153f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6bbb598adfe428a9b9ec31c9945af4abad3b45466f19a26ac7e23f1577a153f", kill_on_drop: false }`
[INFO] [stdout] d6bbb598adfe428a9b9ec31c9945af4abad3b45466f19a26ac7e23f1577a153f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 7396954fcb5ee5d3ee7d834859defd90465955bf4869814e19833de9fb76fc60
[INFO] running `Command { std: "docker" "start" "-a" "7396954fcb5ee5d3ee7d834859defd90465955bf4869814e19833de9fb76fc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]  Documenting directories-next v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "7396954fcb5ee5d3ee7d834859defd90465955bf4869814e19833de9fb76fc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7396954fcb5ee5d3ee7d834859defd90465955bf4869814e19833de9fb76fc60", kill_on_drop: false }`
[INFO] [stdout] 7396954fcb5ee5d3ee7d834859defd90465955bf4869814e19833de9fb76fc60