[INFO] fetching crate structdoc-derive 0.1.4...
[INFO] documenting structdoc-derive-0.1.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate structdoc-derive 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate structdoc-derive 0.1.4 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 structdoc-derive 0.1.4
[INFO] finished tweaking crates.io crate structdoc-derive 0.1.4
[INFO] tweaked toml for crates.io crate structdoc-derive 0.1.4 written to /workspace/builds/worker-12/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 unindent v0.1.9
[INFO] [stderr]   Downloaded pulldown-cmark v0.4.1
[INFO] [stderr]   Downloaded version-sync v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 195afd88ce174cb2946f61e96ae8e15a6f0fd0e8d72c310ba1c49ab1ffc37e8c
[INFO] running `Command { std: "docker" "start" "-a" "195afd88ce174cb2946f61e96ae8e15a6f0fd0e8d72c310ba1c49ab1ffc37e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195afd88ce174cb2946f61e96ae8e15a6f0fd0e8d72c310ba1c49ab1ffc37e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195afd88ce174cb2946f61e96ae8e15a6f0fd0e8d72c310ba1c49ab1ffc37e8c", kill_on_drop: false }`
[INFO] [stdout] 195afd88ce174cb2946f61e96ae8e15a6f0fd0e8d72c310ba1c49ab1ffc37e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b201ad4cc74bb50a818f383ce01decad5c401ea1fb57b9f09395d44b7aa60ef9
[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" "b201ad4cc74bb50a818f383ce01decad5c401ea1fb57b9f09395d44b7aa60ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unindent v0.1.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting structdoc-derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "b201ad4cc74bb50a818f383ce01decad5c401ea1fb57b9f09395d44b7aa60ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b201ad4cc74bb50a818f383ce01decad5c401ea1fb57b9f09395d44b7aa60ef9", kill_on_drop: false }`
[INFO] [stdout] b201ad4cc74bb50a818f383ce01decad5c401ea1fb57b9f09395d44b7aa60ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51ece10caa212590d68a2f9c99ac8ccde26f0410421bd8d0641b8f2ac732a056
[INFO] running `Command { std: "docker" "start" "-a" "51ece10caa212590d68a2f9c99ac8ccde26f0410421bd8d0641b8f2ac732a056", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unindent v0.1.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting structdoc-derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "51ece10caa212590d68a2f9c99ac8ccde26f0410421bd8d0641b8f2ac732a056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ece10caa212590d68a2f9c99ac8ccde26f0410421bd8d0641b8f2ac732a056", kill_on_drop: false }`
[INFO] [stdout] 51ece10caa212590d68a2f9c99ac8ccde26f0410421bd8d0641b8f2ac732a056