[INFO] cloning repository https://github.com/rllola/rust-to-java-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rllola/rust-to-java-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllola%2Frust-to-java-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllola%2Frust-to-java-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fd52380888ff07ec7b31a35afdbfbc9ca3bfbb2
[INFO] documenting rllola/rust-to-java-example against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllola%2Frust-to-java-example" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rllola/rust-to-java-example 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 git repo https://github.com/rllola/rust-to-java-example
[INFO] finished tweaking git repo https://github.com/rllola/rust-to-java-example
[INFO] tweaked toml for git repo https://github.com/rllola/rust-to-java-example written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/rllola/rust-to-java-example 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 281d9f011c7f2764128fe0f4bf8e2982c9cfdbd61e7ad829e7662807bdfdde3f
[INFO] running `Command { std: "docker" "start" "-a" "281d9f011c7f2764128fe0f4bf8e2982c9cfdbd61e7ad829e7662807bdfdde3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281d9f011c7f2764128fe0f4bf8e2982c9cfdbd61e7ad829e7662807bdfdde3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281d9f011c7f2764128fe0f4bf8e2982c9cfdbd61e7ad829e7662807bdfdde3f", kill_on_drop: false }`
[INFO] [stdout] 281d9f011c7f2764128fe0f4bf8e2982c9cfdbd61e7ad829e7662807bdfdde3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 63c40a04f168ab4b938bb8d7131b25e6ffc80ee754eb584613c9259bf060a64a
[INFO] running `Command { std: "docker" "start" "-a" "63c40a04f168ab4b938bb8d7131b25e6ffc80ee754eb584613c9259bf060a64a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling jni v0.16.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]  Documenting rust-to-java-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.52s
[INFO] running `Command { std: "docker" "inspect" "63c40a04f168ab4b938bb8d7131b25e6ffc80ee754eb584613c9259bf060a64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c40a04f168ab4b938bb8d7131b25e6ffc80ee754eb584613c9259bf060a64a", kill_on_drop: false }`
[INFO] [stdout] 63c40a04f168ab4b938bb8d7131b25e6ffc80ee754eb584613c9259bf060a64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 02c68dc48df188a9487830be0aae402adaf816018b7d8180c78c8cdc8085c90d
[INFO] running `Command { std: "docker" "start" "-a" "02c68dc48df188a9487830be0aae402adaf816018b7d8180c78c8cdc8085c90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling jni v0.16.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]  Documenting rust-to-java-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "02c68dc48df188a9487830be0aae402adaf816018b7d8180c78c8cdc8085c90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c68dc48df188a9487830be0aae402adaf816018b7d8180c78c8cdc8085c90d", kill_on_drop: false }`
[INFO] [stdout] 02c68dc48df188a9487830be0aae402adaf816018b7d8180c78c8cdc8085c90d