[INFO] fetching crate urbit 0.1.0...
[INFO] documenting urbit-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate urbit 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate urbit 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate urbit 0.1.0
[INFO] finished tweaking crates.io crate urbit 0.1.0
[INFO] tweaked toml for crates.io crate urbit 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nock v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba7ac34aa458b64b5c9ef2ea45b5d7d65d352c4bd94d754699c108959f40544d
[INFO] running `Command { std: "docker" "start" "-a" "ba7ac34aa458b64b5c9ef2ea45b5d7d65d352c4bd94d754699c108959f40544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba7ac34aa458b64b5c9ef2ea45b5d7d65d352c4bd94d754699c108959f40544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7ac34aa458b64b5c9ef2ea45b5d7d65d352c4bd94d754699c108959f40544d", kill_on_drop: false }`
[INFO] [stdout] ba7ac34aa458b64b5c9ef2ea45b5d7d65d352c4bd94d754699c108959f40544d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d9cc5ca72a3981b0c679d6716072325c58b9fa51d407726f0a4d1d3e85c94f
[INFO] running `Command { std: "docker" "start" "-a" "d1d9cc5ca72a3981b0c679d6716072325c58b9fa51d407726f0a4d1d3e85c94f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nock v0.4.0
[INFO] [stderr]  Documenting urbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate alloc_system;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/jets.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let bytes = cmp::min(((bits + 7) / 8), c.len());
[INFO] [stdout]    |                          ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -     let bytes = cmp::min(((bits + 7) / 8), c.len());
[INFO] [stdout] 83 +     let bytes = cmp::min((bits + 7) / 8, c.len());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `urbit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name urbit src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=92b4bc16b016a869 -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-df36d14af7528695.rmeta --extern nock=/opt/rustwide/target/debug/deps/libnock-dec56e17e994e70f.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-9c9b37aaed49b670.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-33e84ded0256f7c8.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d1d9cc5ca72a3981b0c679d6716072325c58b9fa51d407726f0a4d1d3e85c94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d9cc5ca72a3981b0c679d6716072325c58b9fa51d407726f0a4d1d3e85c94f", kill_on_drop: false }`
[INFO] [stdout] d1d9cc5ca72a3981b0c679d6716072325c58b9fa51d407726f0a4d1d3e85c94f
