[INFO] fetching crate thin 0.2.0...
[INFO] documenting thin-0.2.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate thin 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate thin 0.2.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thin 0.2.0
[INFO] finished tweaking crates.io crate thin 0.2.0
[INFO] tweaked toml for crates.io crate thin 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c09d756b9f60730e1c2a2e2cbda432480d8e4aade83408c7f7707c53d098511
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c09d756b9f60730e1c2a2e2cbda432480d8e4aade83408c7f7707c53d098511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c09d756b9f60730e1c2a2e2cbda432480d8e4aade83408c7f7707c53d098511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c09d756b9f60730e1c2a2e2cbda432480d8e4aade83408c7f7707c53d098511", kill_on_drop: false }`
[INFO] [stdout] 5c09d756b9f60730e1c2a2e2cbda432480d8e4aade83408c7f7707c53d098511
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 860b4941f5482e36e989210e6eb4ef68a83b9aceec0da019714a7508bd896816
[INFO] running `Command { std: "docker" "start" "-a" "860b4941f5482e36e989210e6eb4ef68a83b9aceec0da019714a7508bd896816", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fn_move v0.1.0
[INFO] [stderr]     Checking dyn_sized v0.2.0
[INFO] [stderr]  Documenting thin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/boxed.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use alloc::heap::{Heap, Alloc, Layout};
[INFO] [stdout]    |            ^^^^ could not find `heap` in `alloc`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `thin`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name thin src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern dyn_sized=/opt/rustwide/target/debug/deps/libdyn_sized-64f9920e70718cfb.rmeta --extern fn_move=/opt/rustwide/target/debug/deps/libfn_move-5fcae64b6e40fef5.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "860b4941f5482e36e989210e6eb4ef68a83b9aceec0da019714a7508bd896816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860b4941f5482e36e989210e6eb4ef68a83b9aceec0da019714a7508bd896816", kill_on_drop: false }`
[INFO] [stdout] 860b4941f5482e36e989210e6eb4ef68a83b9aceec0da019714a7508bd896816