[INFO] fetching crate cargo-sandbox 0.0.0...
[INFO] documenting cargo-sandbox-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cargo-sandbox 0.0.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate cargo-sandbox 0.0.0 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 cargo-sandbox 0.0.0
[INFO] finished tweaking crates.io crate cargo-sandbox 0.0.0
[INFO] tweaked toml for crates.io crate cargo-sandbox 0.0.0 written to /workspace/builds/worker-52/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] [stderr]     Blocking waiting for file lock on package cache
[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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 1fc956b9b82e050ca36b17795586b42984dda6def264b7670d18c0ac4ea72197
[INFO] running `Command { std: "docker" "start" "-a" "1fc956b9b82e050ca36b17795586b42984dda6def264b7670d18c0ac4ea72197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc956b9b82e050ca36b17795586b42984dda6def264b7670d18c0ac4ea72197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc956b9b82e050ca36b17795586b42984dda6def264b7670d18c0ac4ea72197", kill_on_drop: false }`
[INFO] [stdout] 1fc956b9b82e050ca36b17795586b42984dda6def264b7670d18c0ac4ea72197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] bb61e43b47141e95b5051c69ccfd62228daf0c585842d7fb14ebc4b348c525d2
[INFO] running `Command { std: "docker" "start" "-a" "bb61e43b47141e95b5051c69ccfd62228daf0c585842d7fb14ebc4b348c525d2", kill_on_drop: false }`
[INFO] [stderr]  Documenting cargo-sandbox v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "bb61e43b47141e95b5051c69ccfd62228daf0c585842d7fb14ebc4b348c525d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb61e43b47141e95b5051c69ccfd62228daf0c585842d7fb14ebc4b348c525d2", kill_on_drop: false }`
[INFO] [stdout] bb61e43b47141e95b5051c69ccfd62228daf0c585842d7fb14ebc4b348c525d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 6027e389964acf73a1efe43bb8ad671775ecf571abb0259f1e7689237e50b0ca
[INFO] running `Command { std: "docker" "start" "-a" "6027e389964acf73a1efe43bb8ad671775ecf571abb0259f1e7689237e50b0ca", kill_on_drop: false }`
[INFO] [stderr]  Documenting cargo-sandbox v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "6027e389964acf73a1efe43bb8ad671775ecf571abb0259f1e7689237e50b0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6027e389964acf73a1efe43bb8ad671775ecf571abb0259f1e7689237e50b0ca", kill_on_drop: false }`
[INFO] [stdout] 6027e389964acf73a1efe43bb8ad671775ecf571abb0259f1e7689237e50b0ca