[INFO] fetching crate rudra 0.0.0-placeholder...
[INFO] documenting rudra-0.0.0-placeholder against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rudra 0.0.0-placeholder into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rudra 0.0.0-placeholder 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 rudra 0.0.0-placeholder
[INFO] finished tweaking crates.io crate rudra 0.0.0-placeholder
[INFO] tweaked toml for crates.io crate rudra 0.0.0-placeholder written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rudra 0.0.0-placeholder already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a99a9d709593c408b588a9dc2741f9fbdfec77d34938d85d3c623a0f9823f784
[INFO] running `Command { std: "docker" "start" "-a" "a99a9d709593c408b588a9dc2741f9fbdfec77d34938d85d3c623a0f9823f784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a99a9d709593c408b588a9dc2741f9fbdfec77d34938d85d3c623a0f9823f784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99a9d709593c408b588a9dc2741f9fbdfec77d34938d85d3c623a0f9823f784", kill_on_drop: false }`
[INFO] [stdout] a99a9d709593c408b588a9dc2741f9fbdfec77d34938d85d3c623a0f9823f784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f545c5f8aab77d3a41117adf9a811c2f718ed520bf88ca00e1baddec69def790
[INFO] running `Command { std: "docker" "start" "-a" "f545c5f8aab77d3a41117adf9a811c2f718ed520bf88ca00e1baddec69def790", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rudra v0.0.0-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "f545c5f8aab77d3a41117adf9a811c2f718ed520bf88ca00e1baddec69def790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f545c5f8aab77d3a41117adf9a811c2f718ed520bf88ca00e1baddec69def790", kill_on_drop: false }`
[INFO] [stdout] f545c5f8aab77d3a41117adf9a811c2f718ed520bf88ca00e1baddec69def790