Nov 27 17:57:22.085 INFO documenting markcol/board100 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 27 17:57:22.087 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 27 17:57:22.531 INFO [stdout] b8578b12c379d8936b64684094570c57b61482ea03b07f50080f8538a0cc9ef7
Nov 27 17:57:22.533 INFO running `"docker" "start" "-a" "b8578b12c379d8936b64684094570c57b61482ea03b07f50080f8538a0cc9ef7"`
Nov 27 17:57:23.966 INFO [stderr] usermod: no changes
Nov 27 17:57:24.075 INFO [stderr]    Compiling syn v0.15.17
Nov 27 17:57:34.974 INFO [stderr]    Compiling synstructure v0.10.1
Nov 27 17:57:38.300 INFO [stderr]    Compiling failure_derive v0.1.3
Nov 27 17:57:40.975 INFO [stderr]     Checking failure v0.1.3
Nov 27 17:57:41.559 INFO [stderr]  Documenting square100 v0.1.0 (/source)
Nov 27 17:57:43.434 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.45s
Nov 27 17:57:43.440 INFO [stderr] su: No module specific data is present
Nov 27 17:57:43.828 INFO running `"docker" "inspect" "b8578b12c379d8936b64684094570c57b61482ea03b07f50080f8538a0cc9ef7"`
Nov 27 17:57:43.960 INFO running `"docker" "rm" "-f" "b8578b12c379d8936b64684094570c57b61482ea03b07f50080f8538a0cc9ef7"`
Nov 27 17:57:44.159 INFO [stdout] b8578b12c379d8936b64684094570c57b61482ea03b07f50080f8538a0cc9ef7