Dec 02 04:18:01.587 INFO documenting qr-maker-0.1.1 against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 02 04:18:01.587 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 02 04:18:01.809 INFO [stdout] 1b6e9e16f86113da1b68042ee0605026951705ccfcdef3b563131bed39fbac8c
Dec 02 04:18:01.811 INFO running `"docker" "start" "-a" "1b6e9e16f86113da1b68042ee0605026951705ccfcdef3b563131bed39fbac8c"`
Dec 02 04:18:02.337 INFO [stderr] usermod: no changes
Dec 02 04:18:02.400 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 02 04:18:02.439 INFO [stderr]     Checking png v0.7.0
Dec 02 04:18:03.599 INFO [stderr]     Checking image v0.13.0
Dec 02 04:18:08.010 INFO [stderr]     Checking qrcode v0.4.0
Dec 02 04:18:10.280 INFO [stderr]  Documenting qr-maker v0.1.1 (/source)
Dec 02 04:18:13.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.15s
Dec 02 04:18:13.520 INFO [stderr] su: No module specific data is present
Dec 02 04:18:13.842 INFO running `"docker" "inspect" "1b6e9e16f86113da1b68042ee0605026951705ccfcdef3b563131bed39fbac8c"`
Dec 02 04:18:13.931 INFO running `"docker" "rm" "-f" "1b6e9e16f86113da1b68042ee0605026951705ccfcdef3b563131bed39fbac8c"`
Dec 02 04:18:14.045 INFO [stdout] 1b6e9e16f86113da1b68042ee0605026951705ccfcdef3b563131bed39fbac8c