[INFO] fetching crate pipers 1.0.1...
[INFO] documenting pipers-1.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate pipers 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pipers 1.0.1 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 pipers 1.0.1
[INFO] finished tweaking crates.io crate pipers 1.0.1
[INFO] tweaked toml for crates.io crate pipers 1.0.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3f8f8febe861445d6964c1192cb41b03c678943d1ed575b9dd98d79ae586c88f
[INFO] running `Command { std: "docker" "start" "-a" "3f8f8febe861445d6964c1192cb41b03c678943d1ed575b9dd98d79ae586c88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8f8febe861445d6964c1192cb41b03c678943d1ed575b9dd98d79ae586c88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8f8febe861445d6964c1192cb41b03c678943d1ed575b9dd98d79ae586c88f", kill_on_drop: false }`
[INFO] [stdout] 3f8f8febe861445d6964c1192cb41b03c678943d1ed575b9dd98d79ae586c88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 729f8c0494d6141d43ea937e070953c34e39cdf9bdc5f0efb3d468b549d34c45
[INFO] running `Command { std: "docker" "start" "-a" "729f8c0494d6141d43ea937e070953c34e39cdf9bdc5f0efb3d468b549d34c45", kill_on_drop: false }`
[INFO] [stderr]  Documenting pipers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "729f8c0494d6141d43ea937e070953c34e39cdf9bdc5f0efb3d468b549d34c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729f8c0494d6141d43ea937e070953c34e39cdf9bdc5f0efb3d468b549d34c45", kill_on_drop: false }`
[INFO] [stdout] 729f8c0494d6141d43ea937e070953c34e39cdf9bdc5f0efb3d468b549d34c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 0e87463ad96eddd07a489709a26e4f5e11ed112bab940232fb94cdc13fed8b76
[INFO] running `Command { std: "docker" "start" "-a" "0e87463ad96eddd07a489709a26e4f5e11ed112bab940232fb94cdc13fed8b76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting pipers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "0e87463ad96eddd07a489709a26e4f5e11ed112bab940232fb94cdc13fed8b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e87463ad96eddd07a489709a26e4f5e11ed112bab940232fb94cdc13fed8b76", kill_on_drop: false }`
[INFO] [stdout] 0e87463ad96eddd07a489709a26e4f5e11ed112bab940232fb94cdc13fed8b76