[INFO] fetching crate cubeio 0.2.4...
[INFO] documenting cubeio-0.2.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cubeio 0.2.4 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate cubeio 0.2.4 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 cubeio 0.2.4
[INFO] finished tweaking crates.io crate cubeio 0.2.4
[INFO] tweaked toml for crates.io crate cubeio 0.2.4 written to /workspace/builds/worker-87/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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] cdb2009b94b0e396245d5b54a2e5771829c9655f8d237dec6d3a979c84451230
[INFO] running `Command { std: "docker" "start" "-a" "cdb2009b94b0e396245d5b54a2e5771829c9655f8d237dec6d3a979c84451230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb2009b94b0e396245d5b54a2e5771829c9655f8d237dec6d3a979c84451230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb2009b94b0e396245d5b54a2e5771829c9655f8d237dec6d3a979c84451230", kill_on_drop: false }`
[INFO] [stdout] cdb2009b94b0e396245d5b54a2e5771829c9655f8d237dec6d3a979c84451230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] cd0e6387a8db80296b7e773b9a4c69b7959787b14564c5a1c50ae5066e307ee9
[INFO] running `Command { std: "docker" "start" "-a" "cd0e6387a8db80296b7e773b9a4c69b7959787b14564c5a1c50ae5066e307ee9", kill_on_drop: false }`
[INFO] [stderr]  Documenting cubeio v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "cd0e6387a8db80296b7e773b9a4c69b7959787b14564c5a1c50ae5066e307ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0e6387a8db80296b7e773b9a4c69b7959787b14564c5a1c50ae5066e307ee9", kill_on_drop: false }`
[INFO] [stdout] cd0e6387a8db80296b7e773b9a4c69b7959787b14564c5a1c50ae5066e307ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 02a514afff906694a14d0c396803958a9a45cac62ab44f53510e68cca288852c
[INFO] running `Command { std: "docker" "start" "-a" "02a514afff906694a14d0c396803958a9a45cac62ab44f53510e68cca288852c", kill_on_drop: false }`
[INFO] [stderr]  Documenting cubeio v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "02a514afff906694a14d0c396803958a9a45cac62ab44f53510e68cca288852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a514afff906694a14d0c396803958a9a45cac62ab44f53510e68cca288852c", kill_on_drop: false }`
[INFO] [stdout] 02a514afff906694a14d0c396803958a9a45cac62ab44f53510e68cca288852c