[INFO] fetching crate sprintf 0.1.2...
[INFO] documenting sprintf-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate sprintf 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sprintf 0.1.2 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 sprintf 0.1.2
[INFO] finished tweaking crates.io crate sprintf 0.1.2
[INFO] tweaked toml for crates.io crate sprintf 0.1.2 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3bf230f558bd28dd915bd4697de27c4bf4ecfcdf69c6a73d3d67a0794d1dcc2a
[INFO] running `Command { std: "docker" "start" "-a" "3bf230f558bd28dd915bd4697de27c4bf4ecfcdf69c6a73d3d67a0794d1dcc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf230f558bd28dd915bd4697de27c4bf4ecfcdf69c6a73d3d67a0794d1dcc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf230f558bd28dd915bd4697de27c4bf4ecfcdf69c6a73d3d67a0794d1dcc2a", kill_on_drop: false }`
[INFO] [stdout] 3bf230f558bd28dd915bd4697de27c4bf4ecfcdf69c6a73d3d67a0794d1dcc2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8bfe35c31ea083cb447d07bc66a9da5cfb233aae9097ac31516225dc95fde181
[INFO] running `Command { std: "docker" "start" "-a" "8bfe35c31ea083cb447d07bc66a9da5cfb233aae9097ac31516225dc95fde181", kill_on_drop: false }`
[INFO] [stderr]  Documenting sprintf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "8bfe35c31ea083cb447d07bc66a9da5cfb233aae9097ac31516225dc95fde181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfe35c31ea083cb447d07bc66a9da5cfb233aae9097ac31516225dc95fde181", kill_on_drop: false }`
[INFO] [stdout] 8bfe35c31ea083cb447d07bc66a9da5cfb233aae9097ac31516225dc95fde181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] f094af2cc03d62ded359aa6c1aa4b6fbe31c6a5c07296ba20498953cdbfd2bfd
[INFO] running `Command { std: "docker" "start" "-a" "f094af2cc03d62ded359aa6c1aa4b6fbe31c6a5c07296ba20498953cdbfd2bfd", kill_on_drop: false }`
[INFO] [stderr]  Documenting sprintf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f094af2cc03d62ded359aa6c1aa4b6fbe31c6a5c07296ba20498953cdbfd2bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f094af2cc03d62ded359aa6c1aa4b6fbe31c6a5c07296ba20498953cdbfd2bfd", kill_on_drop: false }`
[INFO] [stdout] f094af2cc03d62ded359aa6c1aa4b6fbe31c6a5c07296ba20498953cdbfd2bfd