Dec 01 12:46:41.234 INFO documenting koshkin-kna/rust-learn against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 12:46:41.234 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 12:46:41.740 INFO [stdout] 6e1168e780431abdfc824c96c07eb459d7866b33a9e1e2601bff890e9ae51cde
Dec 01 12:46:41.746 INFO running `"docker" "start" "-a" "6e1168e780431abdfc824c96c07eb459d7866b33a9e1e2601bff890e9ae51cde"`
Dec 01 12:46:43.451 INFO [stderr] usermod: no changes
Dec 01 12:46:43.696 INFO [stderr]    Compiling syn v0.14.2
Dec 01 12:46:43.696 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 01 12:46:54.588 INFO [stderr]    Compiling num-derive v0.2.2
Dec 01 12:46:57.220 INFO [stderr]     Checking image v0.19.0
Dec 01 12:47:02.055 INFO [stderr]  Documenting learn v0.1.0 (/source)
Dec 01 12:47:03.649 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.16s
Dec 01 12:47:03.661 INFO [stderr] su: No module specific data is present
Dec 01 12:47:04.910 INFO running `"docker" "inspect" "6e1168e780431abdfc824c96c07eb459d7866b33a9e1e2601bff890e9ae51cde"`
Dec 01 12:47:05.202 INFO running `"docker" "rm" "-f" "6e1168e780431abdfc824c96c07eb459d7866b33a9e1e2601bff890e9ae51cde"`
Dec 01 12:47:05.520 INFO [stdout] 6e1168e780431abdfc824c96c07eb459d7866b33a9e1e2601bff890e9ae51cde