Nov 27 13:41:20.713 INFO documenting scottwillmoore/rust-primer against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 13:41:20.715 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-1/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-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 13:41:21.426 INFO [stdout] 723a80ec2b48d11db0e0be509a8e405e07215030e7f69f2d6b2714b4808ece57
Nov 27 13:41:21.428 INFO running `"docker" "start" "-a" "723a80ec2b48d11db0e0be509a8e405e07215030e7f69f2d6b2714b4808ece57"`
Nov 27 13:41:23.941 INFO [stderr] usermod: no changes
Nov 27 13:41:24.135 INFO [stderr]     Checking regex v0.2.10
Nov 27 13:41:24.139 INFO [stderr]    Compiling serde_derive_internals v0.21.0
Nov 27 13:41:30.595 INFO [stderr]    Compiling serde_derive v1.0.33
Nov 27 13:41:40.011 INFO [stderr]     Checking docopt v0.8.3
Nov 27 13:41:41.350 INFO [stderr]  Documenting primer v0.1.0 (/source)
Nov 27 13:41:43.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.07s
Nov 27 13:41:43.039 INFO [stderr] su: No module specific data is present
Nov 27 13:41:44.006 INFO running `"docker" "inspect" "723a80ec2b48d11db0e0be509a8e405e07215030e7f69f2d6b2714b4808ece57"`
Nov 27 13:41:44.389 INFO running `"docker" "rm" "-f" "723a80ec2b48d11db0e0be509a8e405e07215030e7f69f2d6b2714b4808ece57"`
Nov 27 13:41:44.631 INFO [stdout] 723a80ec2b48d11db0e0be509a8e405e07215030e7f69f2d6b2714b4808ece57