[INFO] fetching crate NULL 1.2.0...
[INFO] documenting NULL-1.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate NULL 1.2.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate NULL 1.2.0 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 NULL 1.2.0
[INFO] finished tweaking crates.io crate NULL 1.2.0
[INFO] tweaked toml for crates.io crate NULL 1.2.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate NULL 1.2.0 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 primal-sieve v0.3.1
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] da82a4163c3499364e8b96f8af37753752198a45a8b5681f9be9ea2d23cbc5a3
[INFO] running `Command { std: "docker" "start" "-a" "da82a4163c3499364e8b96f8af37753752198a45a8b5681f9be9ea2d23cbc5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da82a4163c3499364e8b96f8af37753752198a45a8b5681f9be9ea2d23cbc5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da82a4163c3499364e8b96f8af37753752198a45a8b5681f9be9ea2d23cbc5a3", kill_on_drop: false }`
[INFO] [stdout] da82a4163c3499364e8b96f8af37753752198a45a8b5681f9be9ea2d23cbc5a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] d4ebd7cd572cfd1233de16052615ea83d40164d7481a5f8b3240c08d751f24bb
[INFO] running `Command { std: "docker" "start" "-a" "d4ebd7cd572cfd1233de16052615ea83d40164d7481a5f8b3240c08d751f24bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]     Checking primal-bit v0.3.0
[INFO] [stderr]     Checking primal-sieve v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]  Documenting NULL v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "d4ebd7cd572cfd1233de16052615ea83d40164d7481a5f8b3240c08d751f24bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ebd7cd572cfd1233de16052615ea83d40164d7481a5f8b3240c08d751f24bb", kill_on_drop: false }`
[INFO] [stdout] d4ebd7cd572cfd1233de16052615ea83d40164d7481a5f8b3240c08d751f24bb