Nov 28 14:15:21.430 INFO documenting from_variants_impl-0.4.0 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 14:15:21.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-4/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 28 14:15:21.756 INFO [stdout] 494e9a25173c7a669c49390dda7501821218645eab4465c133ff3d38a5fe72ad
Nov 28 14:15:21.758 INFO running `"docker" "start" "-a" "494e9a25173c7a669c49390dda7501821218645eab4465c133ff3d38a5fe72ad"`
Nov 28 14:15:22.521 INFO [stderr] usermod: no changes
Nov 28 14:15:22.594 INFO [stderr]     Checking ident_case v1.0.0
Nov 28 14:15:22.595 INFO [stderr]    Compiling darling_core v0.5.0
Nov 28 14:15:31.643 INFO [stderr]    Compiling darling_macro v0.5.0
Nov 28 14:15:35.615 INFO [stderr]     Checking darling v0.5.0
Nov 28 14:15:37.712 INFO [stderr]  Documenting from_variants_impl v0.4.0 (/source)
Nov 28 14:15:42.455 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.92s
Nov 28 14:15:42.455 INFO [stderr] su: No module specific data is present
Nov 28 14:15:42.759 INFO running `"docker" "inspect" "494e9a25173c7a669c49390dda7501821218645eab4465c133ff3d38a5fe72ad"`
Nov 28 14:15:42.901 INFO running `"docker" "rm" "-f" "494e9a25173c7a669c49390dda7501821218645eab4465c133ff3d38a5fe72ad"`
Nov 28 14:15:43.027 INFO [stdout] 494e9a25173c7a669c49390dda7501821218645eab4465c133ff3d38a5fe72ad