[INFO] updating cached repository https://github.com/sirpent-team/sirpent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9a0c111f861d2e5c50131dc71e651d60a63463b
[INFO] documenting sirpent-team/sirpent-rust against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirpent-team%2Fsirpent-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirpent-team/sirpent-rust on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirpent-team/sirpent-rust
[INFO] finished tweaking git repo https://github.com/sirpent-team/sirpent-rust
[INFO] tweaked toml for git repo https://github.com/sirpent-team/sirpent-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sirpent-team/sirpent-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 362e101d4a1b4d1ac573f4eb2695506a146eec22e267553e9c5a44c9fb5b5539
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "362e101d4a1b4d1ac573f4eb2695506a146eec22e267553e9c5a44c9fb5b5539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362e101d4a1b4d1ac573f4eb2695506a146eec22e267553e9c5a44c9fb5b5539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362e101d4a1b4d1ac573f4eb2695506a146eec22e267553e9c5a44c9fb5b5539", kill_on_drop: false }`
[INFO] [stdout] 362e101d4a1b4d1ac573f4eb2695506a146eec22e267553e9c5a44c9fb5b5539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9066e771e8a73af376b7153e34f77852c92585605581d8c2ad73664d071afabe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9066e771e8a73af376b7153e34f77852c92585605581d8c2ad73664d071afabe", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.9.13
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking bytes v0.4.2
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking futures-mpsc v0.1.0
[INFO] [stderr]     Checking tokio-timer v0.1.1
[INFO] [stderr]     Checking comms v0.1.4
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]    Compiling serde_derive v0.9.13
[INFO] [stderr]     Checking futures-spawn v0.1.1
[INFO] [stderr]     Checking futures-threadpool v0.1.0
[INFO] [stderr]     Checking kabuki v0.0.1 (https://github.com/carllerche/kabuki?rev=4cc9aa77b7a59890b8cbfd276a067be015ed54f7#4cc9aa77)
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]  Documenting sirpent v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.37s
[INFO] running `Command { std: "docker" "inspect" "9066e771e8a73af376b7153e34f77852c92585605581d8c2ad73664d071afabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9066e771e8a73af376b7153e34f77852c92585605581d8c2ad73664d071afabe", kill_on_drop: false }`
[INFO] [stdout] 9066e771e8a73af376b7153e34f77852c92585605581d8c2ad73664d071afabe