[INFO] fetching crate gain-lep 0.1.3...
[INFO] documenting gain-lep-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate gain-lep 0.1.3 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate gain-lep 0.1.3 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 gain-lep 0.1.3
[INFO] finished tweaking crates.io crate gain-lep 0.1.3
[INFO] tweaked toml for crates.io crate gain-lep 0.1.3 written to /workspace/builds/worker-22/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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] afb2442f0cbc24c8bae3731056a87fe2607faf802be7ce2710a596a935319569
[INFO] running `Command { std: "docker" "start" "-a" "afb2442f0cbc24c8bae3731056a87fe2607faf802be7ce2710a596a935319569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afb2442f0cbc24c8bae3731056a87fe2607faf802be7ce2710a596a935319569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb2442f0cbc24c8bae3731056a87fe2607faf802be7ce2710a596a935319569", kill_on_drop: false }`
[INFO] [stdout] afb2442f0cbc24c8bae3731056a87fe2607faf802be7ce2710a596a935319569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 2cb37fe6302c6efb8345eb5e21c5ca278ca44ae40a24d3d295fbc696479f93ba
[INFO] running `Command { std: "docker" "start" "-a" "2cb37fe6302c6efb8345eb5e21c5ca278ca44ae40a24d3d295fbc696479f93ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lep v0.4.5
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking gain v0.5.0
[INFO] [stderr]  Documenting gain-lep v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "2cb37fe6302c6efb8345eb5e21c5ca278ca44ae40a24d3d295fbc696479f93ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb37fe6302c6efb8345eb5e21c5ca278ca44ae40a24d3d295fbc696479f93ba", kill_on_drop: false }`
[INFO] [stdout] 2cb37fe6302c6efb8345eb5e21c5ca278ca44ae40a24d3d295fbc696479f93ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] b3e49ee25775434187c7017995fd01a9d043ec1fb7d0b7bb1d5acbee77f1190f
[INFO] running `Command { std: "docker" "start" "-a" "b3e49ee25775434187c7017995fd01a9d043ec1fb7d0b7bb1d5acbee77f1190f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lep v0.4.5
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking gain v0.5.0
[INFO] [stderr]  Documenting gain-lep v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b3e49ee25775434187c7017995fd01a9d043ec1fb7d0b7bb1d5acbee77f1190f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e49ee25775434187c7017995fd01a9d043ec1fb7d0b7bb1d5acbee77f1190f", kill_on_drop: false }`
[INFO] [stdout] b3e49ee25775434187c7017995fd01a9d043ec1fb7d0b7bb1d5acbee77f1190f