[INFO] fetching crate flips-sys 0.2.1...
[INFO] documenting flips-sys-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate flips-sys 0.2.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate flips-sys 0.2.1 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 flips-sys 0.2.1
[INFO] finished tweaking crates.io crate flips-sys 0.2.1
[INFO] tweaked toml for crates.io crate flips-sys 0.2.1 written to /workspace/builds/worker-73/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] fba9c7fd52cd64fc30d653af2a36780c0bebed16a7f5ad086c0153174adcf8bd
[INFO] running `Command { std: "docker" "start" "-a" "fba9c7fd52cd64fc30d653af2a36780c0bebed16a7f5ad086c0153174adcf8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba9c7fd52cd64fc30d653af2a36780c0bebed16a7f5ad086c0153174adcf8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba9c7fd52cd64fc30d653af2a36780c0bebed16a7f5ad086c0153174adcf8bd", kill_on_drop: false }`
[INFO] [stdout] fba9c7fd52cd64fc30d653af2a36780c0bebed16a7f5ad086c0153174adcf8bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 4b02f370abd8dcf9c808c45b4473618d29f1691ff25fbc680d7decce4fd59579
[INFO] running `Command { std: "docker" "start" "-a" "4b02f370abd8dcf9c808c45b4473618d29f1691ff25fbc680d7decce4fd59579", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling flips-sys v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting flips-sys v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "4b02f370abd8dcf9c808c45b4473618d29f1691ff25fbc680d7decce4fd59579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b02f370abd8dcf9c808c45b4473618d29f1691ff25fbc680d7decce4fd59579", kill_on_drop: false }`
[INFO] [stdout] 4b02f370abd8dcf9c808c45b4473618d29f1691ff25fbc680d7decce4fd59579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7852f25a5b5552945c2c5737d3082e0d8a4964156e1102ce907af447e6b47964
[INFO] running `Command { std: "docker" "start" "-a" "7852f25a5b5552945c2c5737d3082e0d8a4964156e1102ce907af447e6b47964", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling flips-sys v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting flips-sys v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "7852f25a5b5552945c2c5737d3082e0d8a4964156e1102ce907af447e6b47964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7852f25a5b5552945c2c5737d3082e0d8a4964156e1102ce907af447e6b47964", kill_on_drop: false }`
[INFO] [stdout] 7852f25a5b5552945c2c5737d3082e0d8a4964156e1102ce907af447e6b47964