Dec 04 20:58:23.448 INFO checking chriskuehl/cargo-docserve against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:58:23.448 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 20:58:23.980 INFO [stdout] bac912d631d11602c5a26d450bf13f2c210fa3306a1d8402111292227f91445a
Dec 04 20:58:23.984 INFO running `"docker" "start" "-a" "bac912d631d11602c5a26d450bf13f2c210fa3306a1d8402111292227f91445a"`
Dec 04 20:58:25.003 INFO [stderr] usermod: no changes
Dec 04 20:58:25.063 INFO [stderr] warning: unused manifest key: package.website
Dec 04 20:58:25.163 INFO [stderr]     Checking hyper v0.10.13
Dec 04 20:58:29.207 INFO [stderr]     Checking iron v0.5.1
Dec 04 20:58:30.961 INFO [stderr]     Checking mount v0.3.0
Dec 04 20:58:32.535 INFO [stderr]     Checking staticfile v0.4.0
Dec 04 20:58:34.001 INFO [stderr]     Checking cargo-docserve v0.1.0 (/source)
Dec 04 20:58:39.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.86s
Dec 04 20:58:39.902 INFO [stderr] su: No module specific data is present
Dec 04 20:58:40.973 INFO running `"docker" "inspect" "bac912d631d11602c5a26d450bf13f2c210fa3306a1d8402111292227f91445a"`
Dec 04 20:58:41.251 INFO running `"docker" "rm" "-f" "bac912d631d11602c5a26d450bf13f2c210fa3306a1d8402111292227f91445a"`
Dec 04 20:58:41.569 INFO [stdout] bac912d631d11602c5a26d450bf13f2c210fa3306a1d8402111292227f91445a