Dec 01 10:12:28.432 INFO documenting nocduro/rayon-thumbnail-example against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 10:12:28.432 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-4/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/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 +147e60c5f89cfa2d3ffc247413956a37582c98e7-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"`
Dec 01 10:12:28.847 INFO [stdout] 6910f90711e6dec272a4ec87e097ea937b409e35dd379041bc0bdaaffb3858b2
Dec 01 10:12:28.852 INFO running `"docker" "start" "-a" "6910f90711e6dec272a4ec87e097ea937b409e35dd379041bc0bdaaffb3858b2"`
Dec 01 10:12:29.521 INFO [stderr] usermod: no changes
Dec 01 10:12:29.646 INFO [stderr]     Checking backtrace-sys v0.1.14
Dec 01 10:12:29.648 INFO [stderr]     Checking image v0.15.0
Dec 01 10:12:30.020 INFO [stderr]     Checking backtrace v0.3.3
Dec 01 10:12:30.592 INFO [stderr]     Checking error-chain v0.11.0
Dec 01 10:12:34.405 INFO [stderr]  Documenting rayon_image v0.1.0 (/source)
Dec 01 10:12:36.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
Dec 01 10:12:36.882 INFO [stderr] su: No module specific data is present
Dec 01 10:12:37.843 INFO running `"docker" "inspect" "6910f90711e6dec272a4ec87e097ea937b409e35dd379041bc0bdaaffb3858b2"`
Dec 01 10:12:38.153 INFO running `"docker" "rm" "-f" "6910f90711e6dec272a4ec87e097ea937b409e35dd379041bc0bdaaffb3858b2"`
Dec 01 10:12:38.384 INFO [stdout] 6910f90711e6dec272a4ec87e097ea937b409e35dd379041bc0bdaaffb3858b2