[INFO] fetching crate rustfbp 0.3.34...
[INFO] documenting rustfbp-0.3.34 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rustfbp 0.3.34 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rustfbp 0.3.34 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfbp 0.3.34
[INFO] finished tweaking crates.io crate rustfbp 0.3.34
[INFO] tweaked toml for crates.io crate rustfbp 0.3.34 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnp v0.8.17
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b2ae71479ebb382e3464851b7b7a4954982a09af5682baa9386427e6455957
[INFO] running `Command { std: "docker" "start" "-a" "62b2ae71479ebb382e3464851b7b7a4954982a09af5682baa9386427e6455957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b2ae71479ebb382e3464851b7b7a4954982a09af5682baa9386427e6455957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b2ae71479ebb382e3464851b7b7a4954982a09af5682baa9386427e6455957", kill_on_drop: false }`
[INFO] [stdout] 62b2ae71479ebb382e3464851b7b7a4954982a09af5682baa9386427e6455957
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a4a07196662f0978c69478f09427c26545db666638774df709718c9dc1abd9a
[INFO] running `Command { std: "docker" "start" "-a" "1a4a07196662f0978c69478f09427c26545db666638774df709718c9dc1abd9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking capnp v0.8.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]  Documenting rustfbp v0.3.34 (/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] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rustfbp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rustfbp src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fdce2095e9f81c94 -L dependency=/opt/rustwide/target/debug/deps --extern capnp=/opt/rustwide/target/debug/deps/libcapnp-d9e0e9cce0991d49.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-13d67852310214f8.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-8d99999f2ad0c6a2.rmeta --cap-lints=warn --crate-version 0.3.34` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1a4a07196662f0978c69478f09427c26545db666638774df709718c9dc1abd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4a07196662f0978c69478f09427c26545db666638774df709718c9dc1abd9a", kill_on_drop: false }`
[INFO] [stdout] 1a4a07196662f0978c69478f09427c26545db666638774df709718c9dc1abd9a