Nov 27 12:12:08.422 INFO documenting svalat/hpc_allocator_rust against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 27 12:12:08.423 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-6/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 12:12:08.905 INFO [stdout] a2b6fe3682c276f861c4a2fa02a410717e73a80fccd125443672df7419f5be49
Nov 27 12:12:08.907 INFO running `"docker" "start" "-a" "a2b6fe3682c276f861c4a2fa02a410717e73a80fccd125443672df7419f5be49"`
Nov 27 12:12:10.613 INFO [stderr] usermod: no changes
Nov 27 12:12:10.691 INFO [stderr] warning: unused manifest key: package.panic
Nov 27 12:12:10.698 INFO [stderr]     Checking libc v0.2.41
Nov 27 12:12:11.787 INFO [stderr]  Documenting mpc_allocator_rust v0.1.0 (/source)
Nov 27 12:12:11.924 INFO [stderr] error[E0557]: feature has been removed
Nov 27 12:12:11.926 INFO [stderr]   --> src/lib.rs:11:12
Nov 27 12:12:11.927 INFO [stderr]    |
Nov 27 12:12:11.927 INFO [stderr] 11 | #![feature(panic_implementation)]
Nov 27 12:12:11.927 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Nov 27 12:12:11.927 INFO [stderr]    |
Nov 27 12:12:11.928 INFO [stderr] note: subsumed by `#[panic_handler]`
Nov 27 12:12:11.928 INFO [stderr]   --> src/lib.rs:11:12
Nov 27 12:12:11.928 INFO [stderr]    |
Nov 27 12:12:11.929 INFO [stderr] 11 | #![feature(panic_implementation)]
Nov 27 12:12:11.929 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Nov 27 12:12:11.929 INFO [stderr] 
Nov 27 12:12:12.014 INFO [stderr] error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Nov 27 12:12:12.014 INFO [stderr]   --> src/export.rs:52:3
Nov 27 12:12:12.015 INFO [stderr]    |
Nov 27 12:12:12.015 INFO [stderr] 52 | #[panic_implementation]
Nov 27 12:12:12.015 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Nov 27 12:12:12.103 INFO [stderr]    |
Nov 27 12:12:12.104 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Nov 27 12:12:12.104 INFO [stderr] 
Nov 27 12:12:12.104 INFO [stderr] error: Could not document `mpc_allocator_rust`.
Nov 27 12:12:12.105 INFO [stderr] 
Nov 27 12:12:12.105 INFO [stderr] Caused by:
Nov 27 12:12:12.105 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name hpc_allocator_rust src/lib.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern libc=/target/debug/deps/liblibc-c1590155be369b08.rmeta --cap-lints=forbid` (exit code: 1)
Nov 27 12:12:12.105 INFO [stderr] su: No module specific data is present
Nov 27 12:12:13.273 INFO running `"docker" "inspect" "a2b6fe3682c276f861c4a2fa02a410717e73a80fccd125443672df7419f5be49"`
Nov 27 12:12:13.695 INFO running `"docker" "rm" "-f" "a2b6fe3682c276f861c4a2fa02a410717e73a80fccd125443672df7419f5be49"`
Nov 27 12:12:13.971 INFO [stdout] a2b6fe3682c276f861c4a2fa02a410717e73a80fccd125443672df7419f5be49