[INFO] cloning repository https://github.com/deliangyang/test-work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deliangyang/test-work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Ftest-work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Ftest-work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a871132d3d7ed07cfffd69609401561c5fc507
[INFO] documenting deliangyang/test-work against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Ftest-work" "/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/deliangyang/test-work on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deliangyang/test-work
[INFO] finished tweaking git repo https://github.com/deliangyang/test-work
[INFO] tweaked toml for git repo https://github.com/deliangyang/test-work written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/deliangyang/test-work already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0923f3a9bcd5f0dd0ef8fb98a971097332d7cf941765c423919e88cf0007eb96
[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" "0923f3a9bcd5f0dd0ef8fb98a971097332d7cf941765c423919e88cf0007eb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0923f3a9bcd5f0dd0ef8fb98a971097332d7cf941765c423919e88cf0007eb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0923f3a9bcd5f0dd0ef8fb98a971097332d7cf941765c423919e88cf0007eb96", kill_on_drop: false }`
[INFO] [stdout] 0923f3a9bcd5f0dd0ef8fb98a971097332d7cf941765c423919e88cf0007eb96
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d840092603a0f86c5ae017b4133f355b73333b39cac0b8200dadef2d4c688b43
[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" "d840092603a0f86c5ae017b4133f355b73333b39cac0b8200dadef2d4c688b43", kill_on_drop: false }`
[INFO] [stderr]  Documenting test-work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling test-work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] attr: "test"
[INFO] [stdout] result: TokenStream [Ident { ident: "test", span: #0 bytes(563..567) }]
[INFO] [stdout] item: "fn test() { }"
[INFO] [stderr] error: Could not document `test-work`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name kth_node_from_end_of_list_lcci src/bin/kth-node-from-end-of-list-lcci.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern test_work=/opt/rustwide/target/debug/deps/libtest_work-baf918b64735720e.so --extern url=/opt/rustwide/target/debug/deps/liburl-762ba2e1e45d868f.rmeta --cap-lints=warn` (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" "d840092603a0f86c5ae017b4133f355b73333b39cac0b8200dadef2d4c688b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d840092603a0f86c5ae017b4133f355b73333b39cac0b8200dadef2d4c688b43", kill_on_drop: false }`
[INFO] [stdout] d840092603a0f86c5ae017b4133f355b73333b39cac0b8200dadef2d4c688b43