[INFO] fetching crate proc-macro2-impersonated 0.1.1...
[INFO] documenting proc-macro2-impersonated-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate proc-macro2-impersonated 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate proc-macro2-impersonated 0.1.1 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 proc-macro2-impersonated 0.1.1
[INFO] finished tweaking crates.io crate proc-macro2-impersonated 0.1.1
[INFO] tweaked toml for crates.io crate proc-macro2-impersonated 0.1.1 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] 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] 333faaa8024aae56a6b325dd3137137840878c319af391605c46144970e3b6e4
[INFO] running `Command { std: "docker" "start" "-a" "333faaa8024aae56a6b325dd3137137840878c319af391605c46144970e3b6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "333faaa8024aae56a6b325dd3137137840878c319af391605c46144970e3b6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333faaa8024aae56a6b325dd3137137840878c319af391605c46144970e3b6e4", kill_on_drop: false }`
[INFO] [stdout] 333faaa8024aae56a6b325dd3137137840878c319af391605c46144970e3b6e4
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33e34dd6d52edc8ecfcf38f2515e5e637dd867fe5626eda8d9aab73c750448f9
[INFO] running `Command { std: "docker" "start" "-a" "33e34dd6d52edc8ecfcf38f2515e5e637dd867fe5626eda8d9aab73c750448f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-impersonated v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]  Documenting proc-macro2-impersonated v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "33e34dd6d52edc8ecfcf38f2515e5e637dd867fe5626eda8d9aab73c750448f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e34dd6d52edc8ecfcf38f2515e5e637dd867fe5626eda8d9aab73c750448f9", kill_on_drop: false }`
[INFO] [stdout] 33e34dd6d52edc8ecfcf38f2515e5e637dd867fe5626eda8d9aab73c750448f9
[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" "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" "-Z" "unstable-options" "--config" "build.rustflags=[\"--cfg\", \"procmacro2_semver_exempt\"]" "--frozen" "--message-format=json" "--" "--cfg" "procmacro2_semver_exempt" "-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] 435fe776a92d4f1059e93feec15eac9b0ee3ab0f39e94044e454fa3dff73624b
[INFO] running `Command { std: "docker" "start" "-a" "435fe776a92d4f1059e93feec15eac9b0ee3ab0f39e94044e454fa3dff73624b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-impersonated v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]  Documenting proc-macro2-impersonated v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "435fe776a92d4f1059e93feec15eac9b0ee3ab0f39e94044e454fa3dff73624b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435fe776a92d4f1059e93feec15eac9b0ee3ab0f39e94044e454fa3dff73624b", kill_on_drop: false }`
[INFO] [stdout] 435fe776a92d4f1059e93feec15eac9b0ee3ab0f39e94044e454fa3dff73624b