[INFO] fetching crate copying_gc 0.1.0...
[INFO] documenting copying_gc-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate copying_gc 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate copying_gc 0.1.0 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 copying_gc 0.1.0
[INFO] finished tweaking crates.io crate copying_gc 0.1.0
[INFO] tweaked toml for crates.io crate copying_gc 0.1.0 written to /workspace/builds/worker-51/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 65d1b5883d6f19fafdab69a1ddac6d76f9588fcb70caeb1b53452c8f67f91bde
[INFO] running `Command { std: "docker" "start" "-a" "65d1b5883d6f19fafdab69a1ddac6d76f9588fcb70caeb1b53452c8f67f91bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d1b5883d6f19fafdab69a1ddac6d76f9588fcb70caeb1b53452c8f67f91bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d1b5883d6f19fafdab69a1ddac6d76f9588fcb70caeb1b53452c8f67f91bde", kill_on_drop: false }`
[INFO] [stdout] 65d1b5883d6f19fafdab69a1ddac6d76f9588fcb70caeb1b53452c8f67f91bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 2bcae44a494b3584fef507407b81c033a618bce40c43cc13bbc51d07e6d3f140
[INFO] running `Command { std: "docker" "start" "-a" "2bcae44a494b3584fef507407b81c033a618bce40c43cc13bbc51d07e6d3f140", kill_on_drop: false }`
[INFO] [stderr]  Documenting copying_gc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]  --> src/bitmap.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::heap;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]  --> src/space.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::heap as alloc_heap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/space.rs:89:59
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 let forwarded = *(ptr.raw_inner() as *mut (*mut u8));
[INFO] [stdout]    |                                                           ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 let forwarded = *(ptr.raw_inner() as *mut (*mut u8));
[INFO] [stdout] 89 +                 let forwarded = *(ptr.raw_inner() as *mut *mut u8);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/ptr.rs:85:46
[INFO] [stdout]    |
[INFO] [stdout] 85 |             *(self.space_ptr.inner() as *mut (*mut T)) = space_ptr.inner();
[INFO] [stdout]    |                                              ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             *(self.space_ptr.inner() as *mut (*mut T)) = space_ptr.inner();
[INFO] [stdout] 85 +             *(self.space_ptr.inner() as *mut *mut T) = space_ptr.inner();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `copying_gc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name copying_gc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e76f32a76fcd1e80 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2bcae44a494b3584fef507407b81c033a618bce40c43cc13bbc51d07e6d3f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcae44a494b3584fef507407b81c033a618bce40c43cc13bbc51d07e6d3f140", kill_on_drop: false }`
[INFO] [stdout] 2bcae44a494b3584fef507407b81c033a618bce40c43cc13bbc51d07e6d3f140