[INFO] fetching crate hashmap_core2 0.0.1...
[INFO] documenting hashmap_core2-0.0.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate hashmap_core2 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hashmap_core2 0.0.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashmap_core2 0.0.1
[INFO] finished tweaking crates.io crate hashmap_core2 0.0.1
[INFO] tweaked toml for crates.io crate hashmap_core2 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7125923c58f8e4a04474e19a73dbf133e2a8f0b19ba454716d9592c4519f4e0
[INFO] running `Command { std: "docker" "start" "-a" "d7125923c58f8e4a04474e19a73dbf133e2a8f0b19ba454716d9592c4519f4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7125923c58f8e4a04474e19a73dbf133e2a8f0b19ba454716d9592c4519f4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7125923c58f8e4a04474e19a73dbf133e2a8f0b19ba454716d9592c4519f4e0", kill_on_drop: false }`
[INFO] [stdout] d7125923c58f8e4a04474e19a73dbf133e2a8f0b19ba454716d9592c4519f4e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e94e2f65e3b5c23976766d881a97016582ef34dc0e1faee511a72ca82e39c226
[INFO] running `Command { std: "docker" "start" "-a" "e94e2f65e3b5c23976766d881a97016582ef34dc0e1faee511a72ca82e39c226", kill_on_drop: false }`
[INFO] [stderr]  Documenting hashmap_core2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc_crate::alloc::oom`
[INFO] [stdout]   --> src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub use alloc_crate::alloc::{oom, Global};
[INFO] [stdout]    |                                  ^^^ no `oom` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::CollectionAllocErr`
[INFO] [stdout]   --> src/map.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use alloc::CollectionAllocErr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `CollectionAllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `alloc::Alloc`, `alloc::CollectionAllocErr`
[INFO] [stdout]   --> src/table.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use alloc::{Alloc, CollectionAllocErr, Global, Layout};
[INFO] [stdout]    |             ^^^^^  ^^^^^^^^^^^^^^^^^^ no `CollectionAllocErr` in `alloc`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             no `Alloc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(alloc, dropck_eyepatch, allocator_api, fused, ptr_internals, try_reserve, nonnull_cast)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_internals` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:14:58
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(alloc, dropck_eyepatch, allocator_api, fused, ptr_internals, try_reserve, nonnull_cast)]
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/map.rs:1878:34
[INFO] [stdout]      |
[INFO] [stdout] 1878 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1878 -     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout] 1878 +     fn next(&mut self) -> Option<&'a K> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/map.rs:1898:34
[INFO] [stdout]      |
[INFO] [stdout] 1898 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1898 -     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout] 1898 +     fn next(&mut self) -> Option<&'a V> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/map.rs:1918:34
[INFO] [stdout]      |
[INFO] [stdout] 1918 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1918 -     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout] 1918 +     fn next(&mut self) -> Option<&'a mut V> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hashmap_core2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name hashmap_core2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b3cc35f4dbe8a8ed -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e94e2f65e3b5c23976766d881a97016582ef34dc0e1faee511a72ca82e39c226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94e2f65e3b5c23976766d881a97016582ef34dc0e1faee511a72ca82e39c226", kill_on_drop: false }`
[INFO] [stdout] e94e2f65e3b5c23976766d881a97016582ef34dc0e1faee511a72ca82e39c226
