Nov 28 02:40:24.531 INFO documenting XuShaohua/qrbox against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 02:40:24.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-7/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02:40:24.753 INFO [stdout] 57658973e7af8c96f98abd3f574e433a26dc00133914e3a40110fb739bfd9c1d
Nov 28 02:40:24.755 INFO running `"docker" "start" "-a" "57658973e7af8c96f98abd3f574e433a26dc00133914e3a40110fb739bfd9c1d"`
Nov 28 02:40:25.599 INFO [stderr] usermod: no changes
Nov 28 02:40:26.135 INFO [stderr]     Checking checked_int_cast v1.0.0
Nov 28 02:40:26.159 INFO [stderr]     Checking png v0.11.0
Nov 28 02:40:27.791 INFO [stderr]     Checking image v0.17.0
Nov 28 02:40:33.040 INFO [stderr]     Checking qrcode v0.5.0
Nov 28 02:40:34.803 INFO [stderr]  Documenting qrbox v0.1.3 (/source)
Nov 28 02:40:40.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.19s
Nov 28 02:40:40.848 INFO [stderr] su: No module specific data is present
Nov 28 02:40:41.495 INFO running `"docker" "inspect" "57658973e7af8c96f98abd3f574e433a26dc00133914e3a40110fb739bfd9c1d"`
Nov 28 02:40:42.017 INFO running `"docker" "rm" "-f" "57658973e7af8c96f98abd3f574e433a26dc00133914e3a40110fb739bfd9c1d"`
Nov 28 02:40:42.367 INFO [stdout] 57658973e7af8c96f98abd3f574e433a26dc00133914e3a40110fb739bfd9c1d