[INFO] fetching crate bitmaptrie 2.0.0...
[INFO] documenting bitmaptrie-2.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bitmaptrie 2.0.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate bitmaptrie 2.0.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitmaptrie 2.0.0
[INFO] finished tweaking crates.io crate bitmaptrie 2.0.0
[INFO] tweaked toml for crates.io crate bitmaptrie 2.0.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8efd234e55b425aa1e2a1241692239663729c9c93804c8d43b773f2494539480
[INFO] running `Command { std: "docker" "start" "-a" "8efd234e55b425aa1e2a1241692239663729c9c93804c8d43b773f2494539480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8efd234e55b425aa1e2a1241692239663729c9c93804c8d43b773f2494539480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efd234e55b425aa1e2a1241692239663729c9c93804c8d43b773f2494539480", kill_on_drop: false }`
[INFO] [stdout] 8efd234e55b425aa1e2a1241692239663729c9c93804c8d43b773f2494539480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a935444b4f19d4ceccac270076b1eeeb09ec0a0af01fefe369a5956984e8687
[INFO] running `Command { std: "docker" "start" "-a" "9a935444b4f19d4ceccac270076b1eeeb09ec0a0af01fefe369a5956984e8687", kill_on_drop: false }`
[INFO] [stderr]  Documenting bitmaptrie v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `self::alloc::heap`
[INFO] [stdout]   --> src/comprawvec.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use self::alloc::heap::{allocate, reallocate, deallocate};
[INFO] [stdout]    |                  ^^^^ could not find `heap` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bitmaptrie`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:144:38
[INFO] [stdout]     |
[INFO] [stdout] 144 | const BRANCHING_FACTOR_BITS: usize = (0b100 | (USIZE_BYTES >> 2));
[INFO] [stdout]     |                                      ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 - const BRANCHING_FACTOR_BITS: usize = (0b100 | (USIZE_BYTES >> 2));
[INFO] [stdout] 144 + const BRANCHING_FACTOR_BITS: usize = 0b100 | (USIZE_BYTES >> 2);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:413:62
[INFO] [stdout]     |
[INFO] [stdout] 413 |                         cache.set(depth, local_index, child);;
[INFO] [stdout]     |                                                              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:443:62
[INFO] [stdout]     |
[INFO] [stdout] 443 |                         cache.set(depth, local_index, child);;
[INFO] [stdout]     |                                                              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bitmaptrie src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=967ca338ad488ffd -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 2.0.0` (exit status: 1)
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a935444b4f19d4ceccac270076b1eeeb09ec0a0af01fefe369a5956984e8687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a935444b4f19d4ceccac270076b1eeeb09ec0a0af01fefe369a5956984e8687", kill_on_drop: false }`
[INFO] [stdout] 9a935444b4f19d4ceccac270076b1eeeb09ec0a0af01fefe369a5956984e8687