[INFO] fetching crate element 0.1.0...
[INFO] documenting element-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate element 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate element 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate element 0.1.0
[INFO] finished tweaking crates.io crate element 0.1.0
[INFO] tweaked toml for crates.io crate element 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61dd0c4d636101a32272a9a964e7849dd25b861a1ea4e58acedb0f1b711feb3b
[INFO] running `Command { std: "docker" "start" "-a" "61dd0c4d636101a32272a9a964e7849dd25b861a1ea4e58acedb0f1b711feb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61dd0c4d636101a32272a9a964e7849dd25b861a1ea4e58acedb0f1b711feb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dd0c4d636101a32272a9a964e7849dd25b861a1ea4e58acedb0f1b711feb3b", kill_on_drop: false }`
[INFO] [stdout] 61dd0c4d636101a32272a9a964e7849dd25b861a1ea4e58acedb0f1b711feb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f3b556c2f3e5c90f07bf31adc3660379add032e1bb9281cd79a638a2d80c34
[INFO] running `Command { std: "docker" "start" "-a" "79f3b556c2f3e5c90f07bf31adc3660379add032e1bb9281cd79a638a2d80c34", kill_on_drop: false }`
[INFO] [stderr]  Documenting element v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "79f3b556c2f3e5c90f07bf31adc3660379add032e1bb9281cd79a638a2d80c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f3b556c2f3e5c90f07bf31adc3660379add032e1bb9281cd79a638a2d80c34", kill_on_drop: false }`
[INFO] [stdout] 79f3b556c2f3e5c90f07bf31adc3660379add032e1bb9281cd79a638a2d80c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2ac706f15dfbd0ab3b0662291bac0728fdced68803c419cd96aa891ffb9cf73e
[INFO] running `Command { std: "docker" "start" "-a" "2ac706f15dfbd0ab3b0662291bac0728fdced68803c419cd96aa891ffb9cf73e", kill_on_drop: false }`
[INFO] [stderr]  Documenting element v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "2ac706f15dfbd0ab3b0662291bac0728fdced68803c419cd96aa891ffb9cf73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac706f15dfbd0ab3b0662291bac0728fdced68803c419cd96aa891ffb9cf73e", kill_on_drop: false }`
[INFO] [stdout] 2ac706f15dfbd0ab3b0662291bac0728fdced68803c419cd96aa891ffb9cf73e