Nov 28 12:25:41.994 INFO documenting libwebp-sys-0.2.0 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 12:25:41.997 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 12:25:42.560 INFO [stdout] 8b5d36945cb41ddc28cdba625c6830c2222aa7f4b275c64d03a6bc9fcab8353a
Nov 28 12:25:42.627 INFO running `"docker" "start" "-a" "8b5d36945cb41ddc28cdba625c6830c2222aa7f4b275c64d03a6bc9fcab8353a"`
Nov 28 12:25:43.882 INFO [stderr] usermod: no changes
Nov 28 12:25:43.987 INFO [stderr]    Compiling rayon v1.0.3
Nov 28 12:25:48.707 INFO [stderr]    Compiling cc v1.0.25
Nov 28 12:25:52.415 INFO [stderr]    Compiling libwebp-sys v0.2.0 (/source)
Nov 28 12:25:57.487 INFO [stderr]  Documenting libwebp-sys v0.2.0 (/source)
Nov 28 12:25:59.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.32s
Nov 28 12:25:59.260 INFO [stderr] su: No module specific data is present
Nov 28 12:25:59.783 INFO running `"docker" "inspect" "8b5d36945cb41ddc28cdba625c6830c2222aa7f4b275c64d03a6bc9fcab8353a"`
Nov 28 12:26:00.089 INFO running `"docker" "rm" "-f" "8b5d36945cb41ddc28cdba625c6830c2222aa7f4b275c64d03a6bc9fcab8353a"`
Nov 28 12:26:00.291 INFO [stdout] 8b5d36945cb41ddc28cdba625c6830c2222aa7f4b275c64d03a6bc9fcab8353a