[INFO] fetching crate debugless-unwrap 0.0.4...
[INFO] documenting debugless-unwrap-0.0.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate debugless-unwrap 0.0.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate debugless-unwrap 0.0.4 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 debugless-unwrap 0.0.4
[INFO] finished tweaking crates.io crate debugless-unwrap 0.0.4
[INFO] tweaked toml for crates.io crate debugless-unwrap 0.0.4 written to /workspace/builds/worker-5/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert-panic v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 752d2db5949b9d2707f113cc9135968ac2bbb2cfebf0884a67a16d9d669ccbd2
[INFO] running `Command { std: "docker" "start" "-a" "752d2db5949b9d2707f113cc9135968ac2bbb2cfebf0884a67a16d9d669ccbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752d2db5949b9d2707f113cc9135968ac2bbb2cfebf0884a67a16d9d669ccbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752d2db5949b9d2707f113cc9135968ac2bbb2cfebf0884a67a16d9d669ccbd2", kill_on_drop: false }`
[INFO] [stdout] 752d2db5949b9d2707f113cc9135968ac2bbb2cfebf0884a67a16d9d669ccbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 886f31ce6656da73871a1241e797e77b4296c3fb3cce836662c702446eac23b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "886f31ce6656da73871a1241e797e77b4296c3fb3cce836662c702446eac23b2", kill_on_drop: false }`
[INFO] [stderr]  Documenting debugless-unwrap v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "886f31ce6656da73871a1241e797e77b4296c3fb3cce836662c702446eac23b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886f31ce6656da73871a1241e797e77b4296c3fb3cce836662c702446eac23b2", kill_on_drop: false }`
[INFO] [stdout] 886f31ce6656da73871a1241e797e77b4296c3fb3cce836662c702446eac23b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0d8b8f1931ad1eceec7bffe3c20ecb06a94f01322acc4c5d517ae818391cd2cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d8b8f1931ad1eceec7bffe3c20ecb06a94f01322acc4c5d517ae818391cd2cf", kill_on_drop: false }`
[INFO] [stderr]  Documenting debugless-unwrap v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "0d8b8f1931ad1eceec7bffe3c20ecb06a94f01322acc4c5d517ae818391cd2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8b8f1931ad1eceec7bffe3c20ecb06a94f01322acc4c5d517ae818391cd2cf", kill_on_drop: false }`
[INFO] [stdout] 0d8b8f1931ad1eceec7bffe3c20ecb06a94f01322acc4c5d517ae818391cd2cf