[INFO] fetching crate ard 0.1.0...
[INFO] documenting ard-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ard 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ard 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 ard 0.1.0
[INFO] finished tweaking crates.io crate ard 0.1.0
[INFO] tweaked toml for crates.io crate ard 0.1.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a621bc42e32a6eff0c2add846b440c349224565e900a18bb1382a1374cbfe611
[INFO] running `Command { std: "docker" "start" "-a" "a621bc42e32a6eff0c2add846b440c349224565e900a18bb1382a1374cbfe611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a621bc42e32a6eff0c2add846b440c349224565e900a18bb1382a1374cbfe611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a621bc42e32a6eff0c2add846b440c349224565e900a18bb1382a1374cbfe611", kill_on_drop: false }`
[INFO] [stdout] a621bc42e32a6eff0c2add846b440c349224565e900a18bb1382a1374cbfe611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c79d1df386b3f508e375a084ff4ca23049360b6182204d0943bbdf24f337996f
[INFO] running `Command { std: "docker" "start" "-a" "c79d1df386b3f508e375a084ff4ca23049360b6182204d0943bbdf24f337996f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "c79d1df386b3f508e375a084ff4ca23049360b6182204d0943bbdf24f337996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79d1df386b3f508e375a084ff4ca23049360b6182204d0943bbdf24f337996f", kill_on_drop: false }`
[INFO] [stdout] c79d1df386b3f508e375a084ff4ca23049360b6182204d0943bbdf24f337996f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 94e3574a2a45a539ea04fcf9a051f6796aef7e9ca2a2ad26a27bed51d2f1cd90
[INFO] running `Command { std: "docker" "start" "-a" "94e3574a2a45a539ea04fcf9a051f6796aef7e9ca2a2ad26a27bed51d2f1cd90", kill_on_drop: false }`
[INFO] [stderr]  Documenting ard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "94e3574a2a45a539ea04fcf9a051f6796aef7e9ca2a2ad26a27bed51d2f1cd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e3574a2a45a539ea04fcf9a051f6796aef7e9ca2a2ad26a27bed51d2f1cd90", kill_on_drop: false }`
[INFO] [stdout] 94e3574a2a45a539ea04fcf9a051f6796aef7e9ca2a2ad26a27bed51d2f1cd90