[INFO] fetching crate zstd-safe 4.1.6+zstd.1.5.2...
[INFO] documenting zstd-safe-4.1.6+zstd.1.5.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate zstd-safe 4.1.6+zstd.1.5.2 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate zstd-safe 4.1.6+zstd.1.5.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zstd-safe 4.1.6+zstd.1.5.2
[INFO] finished tweaking crates.io crate zstd-safe 4.1.6+zstd.1.5.2
[INFO] tweaked toml for crates.io crate zstd-safe 4.1.6+zstd.1.5.2 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 771eb5c3028525c122bd4990bd2dee915a1230d914680b54119a1b78dc157cb0
[INFO] running `Command { std: "docker" "start" "-a" "771eb5c3028525c122bd4990bd2dee915a1230d914680b54119a1b78dc157cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "771eb5c3028525c122bd4990bd2dee915a1230d914680b54119a1b78dc157cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771eb5c3028525c122bd4990bd2dee915a1230d914680b54119a1b78dc157cb0", kill_on_drop: false }`
[INFO] [stdout] 771eb5c3028525c122bd4990bd2dee915a1230d914680b54119a1b78dc157cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e29c115e74e138285e25e3cb349782b7aaeb52e98597696e28120ca82c355b
[INFO] running `Command { std: "docker" "start" "-a" "35e29c115e74e138285e25e3cb349782b7aaeb52e98597696e28120ca82c355b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]  Documenting zstd-safe v4.1.6+zstd.1.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "35e29c115e74e138285e25e3cb349782b7aaeb52e98597696e28120ca82c355b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e29c115e74e138285e25e3cb349782b7aaeb52e98597696e28120ca82c355b", kill_on_drop: false }`
[INFO] [stdout] 35e29c115e74e138285e25e3cb349782b7aaeb52e98597696e28120ca82c355b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "experimental arrays std doc-cfg" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 24b7891513cf3a5d0302a6ba46296937523e8e8ade3f3eed4773394590cddf08
[INFO] running `Command { std: "docker" "start" "-a" "24b7891513cf3a5d0302a6ba46296937523e8e8ade3f3eed4773394590cddf08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]  Documenting zstd-safe v4.1.6+zstd.1.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.66s
[INFO] running `Command { std: "docker" "inspect" "24b7891513cf3a5d0302a6ba46296937523e8e8ade3f3eed4773394590cddf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b7891513cf3a5d0302a6ba46296937523e8e8ade3f3eed4773394590cddf08", kill_on_drop: false }`
[INFO] [stdout] 24b7891513cf3a5d0302a6ba46296937523e8e8ade3f3eed4773394590cddf08