[INFO] fetching crate slog-scope 4.4.0...
[INFO] documenting slog-scope-4.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate slog-scope 4.4.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate slog-scope 4.4.0 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 slog-scope 4.4.0
[INFO] finished tweaking crates.io crate slog-scope 4.4.0
[INFO] tweaked toml for crates.io crate slog-scope 4.4.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate slog-scope 4.4.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded arc-swap v1.2.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded slog-term v2.0.4
[INFO] [stderr]   Downloaded slog v2.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] [stdout] 5d2eb5672ed4df8131abdcc5d51b0ab781eba757818a1bef37d5a9083ef84d3b
[INFO] running `Command { std: "docker" "start" "-a" "5d2eb5672ed4df8131abdcc5d51b0ab781eba757818a1bef37d5a9083ef84d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2eb5672ed4df8131abdcc5d51b0ab781eba757818a1bef37d5a9083ef84d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2eb5672ed4df8131abdcc5d51b0ab781eba757818a1bef37d5a9083ef84d3b", kill_on_drop: false }`
[INFO] [stdout] 5d2eb5672ed4df8131abdcc5d51b0ab781eba757818a1bef37d5a9083ef84d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] a6f48dd2371c01f5271cde322bd96377bc22a414b2e36ca9a75cf701d50ad969
[INFO] running `Command { std: "docker" "start" "-a" "a6f48dd2371c01f5271cde322bd96377bc22a414b2e36ca9a75cf701d50ad969", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]  Documenting slog-scope v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "a6f48dd2371c01f5271cde322bd96377bc22a414b2e36ca9a75cf701d50ad969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f48dd2371c01f5271cde322bd96377bc22a414b2e36ca9a75cf701d50ad969", kill_on_drop: false }`
[INFO] [stdout] a6f48dd2371c01f5271cde322bd96377bc22a414b2e36ca9a75cf701d50ad969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] e6b9c882bad0165ac243f4023205d4120a076d999b622aa9dbf9990494223e4a
[INFO] running `Command { std: "docker" "start" "-a" "e6b9c882bad0165ac243f4023205d4120a076d999b622aa9dbf9990494223e4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]  Documenting slog-scope v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "e6b9c882bad0165ac243f4023205d4120a076d999b622aa9dbf9990494223e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b9c882bad0165ac243f4023205d4120a076d999b622aa9dbf9990494223e4a", kill_on_drop: false }`
[INFO] [stdout] e6b9c882bad0165ac243f4023205d4120a076d999b622aa9dbf9990494223e4a