[INFO] fetching crate bmengine 0.1.0...
[INFO] documenting bmengine-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bmengine 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bmengine 0.1.0 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 bmengine 0.1.0
[INFO] finished tweaking crates.io crate bmengine 0.1.0
[INFO] tweaked toml for crates.io crate bmengine 0.1.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c49c2e6a75bef25f64a27da8e3cc3e37ffc7868a0baeb9c4bf2a39065ae22a9c
[INFO] running `Command { std: "docker" "start" "-a" "c49c2e6a75bef25f64a27da8e3cc3e37ffc7868a0baeb9c4bf2a39065ae22a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49c2e6a75bef25f64a27da8e3cc3e37ffc7868a0baeb9c4bf2a39065ae22a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49c2e6a75bef25f64a27da8e3cc3e37ffc7868a0baeb9c4bf2a39065ae22a9c", kill_on_drop: false }`
[INFO] [stdout] c49c2e6a75bef25f64a27da8e3cc3e37ffc7868a0baeb9c4bf2a39065ae22a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 189935fb7b125347652cf0d8a2bd1285112dbc697f92d5e9813e5816b668f553
[INFO] running `Command { std: "docker" "start" "-a" "189935fb7b125347652cf0d8a2bd1285112dbc697f92d5e9813e5816b668f553", kill_on_drop: false }`
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]  Documenting bmengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "189935fb7b125347652cf0d8a2bd1285112dbc697f92d5e9813e5816b668f553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189935fb7b125347652cf0d8a2bd1285112dbc697f92d5e9813e5816b668f553", kill_on_drop: false }`
[INFO] [stdout] 189935fb7b125347652cf0d8a2bd1285112dbc697f92d5e9813e5816b668f553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 028f0d268d3be3e97a2381aa084ee881b28ff4c520ec11de0abedffe4f16ae14
[INFO] running `Command { std: "docker" "start" "-a" "028f0d268d3be3e97a2381aa084ee881b28ff4c520ec11de0abedffe4f16ae14", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]  Documenting bmengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "028f0d268d3be3e97a2381aa084ee881b28ff4c520ec11de0abedffe4f16ae14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028f0d268d3be3e97a2381aa084ee881b28ff4c520ec11de0abedffe4f16ae14", kill_on_drop: false }`
[INFO] [stdout] 028f0d268d3be3e97a2381aa084ee881b28ff4c520ec11de0abedffe4f16ae14