[INFO] updating cached repository https://github.com/inv2004/rust-async-kv-benchmarks
[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] e747014fbd00e48b882065bc620db5a109b1564d
[INFO] documenting inv2004/rust-async-kv-benchmarks against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finv2004%2Frust-async-kv-benchmarks" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inv2004/rust-async-kv-benchmarks 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/inv2004/rust-async-kv-benchmarks
[INFO] finished tweaking git repo https://github.com/inv2004/rust-async-kv-benchmarks
[INFO] tweaked toml for git repo https://github.com/inv2004/rust-async-kv-benchmarks written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/inv2004/rust-async-kv-benchmarks 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 }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 93eea087bfc4dd4719b2065ab4eea7d8a1b728ec4f1b13992e080d7097513644
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[INFO] running `Command { std: "docker" "inspect" "93eea087bfc4dd4719b2065ab4eea7d8a1b728ec4f1b13992e080d7097513644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93eea087bfc4dd4719b2065ab4eea7d8a1b728ec4f1b13992e080d7097513644", kill_on_drop: false }`
[INFO] [stdout] 93eea087bfc4dd4719b2065ab4eea7d8a1b728ec4f1b13992e080d7097513644
[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" "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] b43bd4c75608748e877227c30fce82a05281555c2224ff3737ac45de4b31d481
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[INFO] [stderr]  Documenting tokio-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name kv_thr_msg src/bin/kv_thr_msg.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-f52e6621735fd961.rmeta --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-4921d8efb2cf571c.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-ce5e0c295a0d252c.rmeta --extern chashmap=/opt/rustwide/target/debug/deps/libchashmap-66406b711f2e3e70.rmeta --extern crossbeam_requests=/opt/rustwide/target/debug/deps/libcrossbeam_requests-8159e4ca4f502c35.rmeta --extern futures01=/opt/rustwide/target/debug/deps/libfutures-57cb9dc72ba34d46.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-e276a0a89e7a773e.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-42411dc5dffea551.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-02fa0e81133396ec.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3f507c90f25f0ff6.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b43bd4c75608748e877227c30fce82a05281555c2224ff3737ac45de4b31d481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43bd4c75608748e877227c30fce82a05281555c2224ff3737ac45de4b31d481", kill_on_drop: false }`
[INFO] [stdout] b43bd4c75608748e877227c30fce82a05281555c2224ff3737ac45de4b31d481