[INFO] fetching crate slog-json 2.6.1...
[INFO] documenting slog-json-2.6.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate slog-json 2.6.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate slog-json 2.6.1 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 slog-json 2.6.1
[INFO] finished tweaking crates.io crate slog-json 2.6.1
[INFO] tweaked toml for crates.io crate slog-json 2.6.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate slog-json 2.6.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ea24a5a86c0711541944a4c2661f9101388b8a609d388eb1fc35e7da1c0456b9
[INFO] running `Command { std: "docker" "start" "-a" "ea24a5a86c0711541944a4c2661f9101388b8a609d388eb1fc35e7da1c0456b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea24a5a86c0711541944a4c2661f9101388b8a609d388eb1fc35e7da1c0456b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea24a5a86c0711541944a4c2661f9101388b8a609d388eb1fc35e7da1c0456b9", kill_on_drop: false }`
[INFO] [stdout] ea24a5a86c0711541944a4c2661f9101388b8a609d388eb1fc35e7da1c0456b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 2adb5be84b40bb49b7e5e01ee0c494c58e444ee3ee603a3a1a9dc7b1c69f4a87
[INFO] running `Command { std: "docker" "start" "-a" "2adb5be84b40bb49b7e5e01ee0c494c58e444ee3ee603a3a1a9dc7b1c69f4a87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]  Documenting slog-json v2.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "2adb5be84b40bb49b7e5e01ee0c494c58e444ee3ee603a3a1a9dc7b1c69f4a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2adb5be84b40bb49b7e5e01ee0c494c58e444ee3ee603a3a1a9dc7b1c69f4a87", kill_on_drop: false }`
[INFO] [stdout] 2adb5be84b40bb49b7e5e01ee0c494c58e444ee3ee603a3a1a9dc7b1c69f4a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "--features" "nested-values dynamic-keys" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3504b5955334dc6b54a835f6737c79bdf5eea8bb8c69bc1b8d13d84871dbf396
[INFO] running `Command { std: "docker" "start" "-a" "3504b5955334dc6b54a835f6737c79bdf5eea8bb8c69bc1b8d13d84871dbf396", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling erased-serde v0.3.18
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]  Documenting slog-json v2.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "3504b5955334dc6b54a835f6737c79bdf5eea8bb8c69bc1b8d13d84871dbf396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3504b5955334dc6b54a835f6737c79bdf5eea8bb8c69bc1b8d13d84871dbf396", kill_on_drop: false }`
[INFO] [stdout] 3504b5955334dc6b54a835f6737c79bdf5eea8bb8c69bc1b8d13d84871dbf396