[INFO] fetching crate serde_derive 1.0.137...
[INFO] documenting serde_derive-1.0.137 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate serde_derive 1.0.137 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_derive 1.0.137 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 serde_derive 1.0.137
[INFO] finished tweaking crates.io crate serde_derive 1.0.137
[INFO] tweaked toml for crates.io crate serde_derive 1.0.137 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 509126f8ced87e5cb4a35a3d07976a2efe1ddb4b2cb67278d383f132a915310a
[INFO] running `Command { std: "docker" "start" "-a" "509126f8ced87e5cb4a35a3d07976a2efe1ddb4b2cb67278d383f132a915310a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509126f8ced87e5cb4a35a3d07976a2efe1ddb4b2cb67278d383f132a915310a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509126f8ced87e5cb4a35a3d07976a2efe1ddb4b2cb67278d383f132a915310a", kill_on_drop: false }`
[INFO] [stdout] 509126f8ced87e5cb4a35a3d07976a2efe1ddb4b2cb67278d383f132a915310a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5cf0b5996413be0b604125df2a0386daee32a4d7a588b8de5f12b7cfd5a70618
[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" "5cf0b5996413be0b604125df2a0386daee32a4d7a588b8de5f12b7cfd5a70618", 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]    Compiling serde_derive v1.0.137 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting serde_derive v1.0.137 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.41s
[INFO] running `Command { std: "docker" "inspect" "5cf0b5996413be0b604125df2a0386daee32a4d7a588b8de5f12b7cfd5a70618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf0b5996413be0b604125df2a0386daee32a4d7a588b8de5f12b7cfd5a70618", kill_on_drop: false }`
[INFO] [stdout] 5cf0b5996413be0b604125df2a0386daee32a4d7a588b8de5f12b7cfd5a70618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 64358da6ea05484fc2144a234ea5613205ff34502dd76d15b8b1cc713ee03e8d
[INFO] running `Command { std: "docker" "start" "-a" "64358da6ea05484fc2144a234ea5613205ff34502dd76d15b8b1cc713ee03e8d", 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]    Compiling serde_derive v1.0.137 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting serde_derive v1.0.137 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "64358da6ea05484fc2144a234ea5613205ff34502dd76d15b8b1cc713ee03e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64358da6ea05484fc2144a234ea5613205ff34502dd76d15b8b1cc713ee03e8d", kill_on_drop: false }`
[INFO] [stdout] 64358da6ea05484fc2144a234ea5613205ff34502dd76d15b8b1cc713ee03e8d