[INFO] updating cached repository https://github.com/provotum/node-benchmark-rs
[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] fde861a81dc72af70d3e531618469e87f206c3ac
[INFO] documenting provotum/node-benchmark-rs against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprovotum%2Fnode-benchmark-rs" "/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/provotum/node-benchmark-rs 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/provotum/node-benchmark-rs
[INFO] finished tweaking git repo https://github.com/provotum/node-benchmark-rs
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[INFO] crate git repo https://github.com/provotum/node-benchmark-rs 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-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_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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73437e25dedaccd187da53117f12738e9933eb8b86dc8fc079b245cd7a0c7940
[INFO] running `Command { std: "docker" "start" "-a" "73437e25dedaccd187da53117f12738e9933eb8b86dc8fc079b245cd7a0c7940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73437e25dedaccd187da53117f12738e9933eb8b86dc8fc079b245cd7a0c7940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73437e25dedaccd187da53117f12738e9933eb8b86dc8fc079b245cd7a0c7940", kill_on_drop: false }`
[INFO] [stdout] 73437e25dedaccd187da53117f12738e9933eb8b86dc8fc079b245cd7a0c7940
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8287e832b5f0cc33575075f372ecd3d7e08cd372cca3d41b33a337b381d78394
[INFO] running `Command { std: "docker" "start" "-a" "8287e832b5f0cc33575075f372ecd3d7e08cd372cca3d41b33a337b381d78394", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking termcolor v1.0.4
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[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking pretty_env_logger v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking crypto-rs v0.1.1 (https://github.com/provotum/crypto-rs.git#5977ebd7)
[INFO] [stderr]     Checking generator_rs v0.1.0 (https://github.com/provotum/generator-rs.git#6eba4819)
[INFO] [stderr]     Checking node_rs v0.1.0 (https://github.com/provotum/node-rs.git#675e3c50)
[INFO] [stderr]  Documenting node_benchmark_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate alloc_system;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `node_benchmark_rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name node_benchmark_rs src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-4de761ad75855f9b.rmeta --extern crypto_rs=/opt/rustwide/target/debug/deps/libcrypto_rs-1b77c751c7c748b2.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-1a42fc0289d4dda7.rmeta --extern generator_rs=/opt/rustwide/target/debug/deps/libgenerator_rs-6b5dbc45a9a28e5f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5f4f95c22d3d1dae.rmeta --extern node_rs=/opt/rustwide/target/debug/deps/libnode_rs-4934d2e141e337cc.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-bb3a27e4f656f14d.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-5f804fe55dabc6f9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f796016e383c24c4.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-73f855dbe2a543cd.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fb81f703fab27a7e.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8287e832b5f0cc33575075f372ecd3d7e08cd372cca3d41b33a337b381d78394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8287e832b5f0cc33575075f372ecd3d7e08cd372cca3d41b33a337b381d78394", kill_on_drop: false }`
[INFO] [stdout] 8287e832b5f0cc33575075f372ecd3d7e08cd372cca3d41b33a337b381d78394