[INFO] fetching crate ng 0.1.0...
[INFO] documenting ng-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ng 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ng 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 ng 0.1.0
[INFO] finished tweaking crates.io crate ng 0.1.0
[INFO] tweaked toml for crates.io crate ng 0.1.0 written to /workspace/builds/worker-0/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8f1f609c835beb7cda2eef4e7662ff89b869ef5f77d63b7917c5bfd8238a14a2
[INFO] running `Command { std: "docker" "start" "-a" "8f1f609c835beb7cda2eef4e7662ff89b869ef5f77d63b7917c5bfd8238a14a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1f609c835beb7cda2eef4e7662ff89b869ef5f77d63b7917c5bfd8238a14a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1f609c835beb7cda2eef4e7662ff89b869ef5f77d63b7917c5bfd8238a14a2", kill_on_drop: false }`
[INFO] [stdout] 8f1f609c835beb7cda2eef4e7662ff89b869ef5f77d63b7917c5bfd8238a14a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 486632526d2683c68a01f26604baad4376cd01f0ee376790e21161c089842d04
[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" "486632526d2683c68a01f26604baad4376cd01f0ee376790e21161c089842d04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.9
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking libc v0.2.126
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]  Documenting ng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.62s
[INFO] running `Command { std: "docker" "inspect" "486632526d2683c68a01f26604baad4376cd01f0ee376790e21161c089842d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486632526d2683c68a01f26604baad4376cd01f0ee376790e21161c089842d04", kill_on_drop: false }`
[INFO] [stdout] 486632526d2683c68a01f26604baad4376cd01f0ee376790e21161c089842d04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 09b893d6aab0d9c1fd4647414cfc0f84a848fef594b9e5300f1315f198549efd
[INFO] running `Command { std: "docker" "start" "-a" "09b893d6aab0d9c1fd4647414cfc0f84a848fef594b9e5300f1315f198549efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.9
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]  Documenting ng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.08s
[INFO] running `Command { std: "docker" "inspect" "09b893d6aab0d9c1fd4647414cfc0f84a848fef594b9e5300f1315f198549efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b893d6aab0d9c1fd4647414cfc0f84a848fef594b9e5300f1315f198549efd", kill_on_drop: false }`
[INFO] [stdout] 09b893d6aab0d9c1fd4647414cfc0f84a848fef594b9e5300f1315f198549efd