[INFO] fetching crate usher 0.2.0...
[INFO] documenting usher-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate usher 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate usher 0.2.0 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 usher 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate usher 0.2.0
[INFO] tweaked toml for crates.io crate usher 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate usher 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded bytes v0.5.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded mio v0.6.21
[INFO] [stderr]   Downloaded indexmap v1.3.2
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded http v0.2.0
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded try-lock v0.2.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 917566c8dc9624e9096cd94e4c5f08de1a873f78c0ec84af4cdfdb10534c8147
[INFO] running `Command { std: "docker" "start" "-a" "917566c8dc9624e9096cd94e4c5f08de1a873f78c0ec84af4cdfdb10534c8147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "917566c8dc9624e9096cd94e4c5f08de1a873f78c0ec84af4cdfdb10534c8147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917566c8dc9624e9096cd94e4c5f08de1a873f78c0ec84af4cdfdb10534c8147", kill_on_drop: false }`
[INFO] [stdout] 917566c8dc9624e9096cd94e4c5f08de1a873f78c0ec84af4cdfdb10534c8147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f12dced716d7b082e85c2aac5190813a0ef83e5fac0472dd29a19c695aa425c6
[INFO] running `Command { std: "docker" "start" "-a" "f12dced716d7b082e85c2aac5190813a0ef83e5fac0472dd29a19c695aa425c6", kill_on_drop: false }`
[INFO] [stderr]  Documenting usher v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f12dced716d7b082e85c2aac5190813a0ef83e5fac0472dd29a19c695aa425c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12dced716d7b082e85c2aac5190813a0ef83e5fac0472dd29a19c695aa425c6", kill_on_drop: false }`
[INFO] [stdout] f12dced716d7b082e85c2aac5190813a0ef83e5fac0472dd29a19c695aa425c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 613f9d040c93867b23a9273b341aa422e50132ff55c3eb5fe04cf8f015c2c7aa
[INFO] running `Command { std: "docker" "start" "-a" "613f9d040c93867b23a9273b341aa422e50132ff55c3eb5fe04cf8f015c2c7aa", kill_on_drop: false }`
[INFO] [stderr]  Documenting usher v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "613f9d040c93867b23a9273b341aa422e50132ff55c3eb5fe04cf8f015c2c7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613f9d040c93867b23a9273b341aa422e50132ff55c3eb5fe04cf8f015c2c7aa", kill_on_drop: false }`
[INFO] [stdout] 613f9d040c93867b23a9273b341aa422e50132ff55c3eb5fe04cf8f015c2c7aa