Dec 02 08:05:40.730 INFO documenting failure_derive_without_backtrace-0.1.2 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 02 08:05:40.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-2/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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 08:05:41.222 INFO [stdout] b862b55d4a1f831a351af833851bb1b11ecd5987fc98ed94dbbc84b189322ccc
Dec 02 08:05:41.228 INFO running `"docker" "start" "-a" "b862b55d4a1f831a351af833851bb1b11ecd5987fc98ed94dbbc84b189322ccc"`
Dec 02 08:05:42.231 INFO [stderr] usermod: no changes
Dec 02 08:05:42.292 INFO [stderr]    Compiling failure_derive_without_backtrace v0.1.2 (/source)
Dec 02 08:05:42.292 INFO [stderr]     Checking syn v0.14.9
Dec 02 08:05:49.401 INFO [stderr]     Checking synstructure v0.9.0
Dec 02 08:05:52.256 INFO [stderr]  Documenting failure_derive_without_backtrace v0.1.2 (/source)
Dec 02 08:05:56.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.32s
Dec 02 08:05:56.580 INFO [stderr] su: No module specific data is present
Dec 02 08:05:57.096 INFO running `"docker" "inspect" "b862b55d4a1f831a351af833851bb1b11ecd5987fc98ed94dbbc84b189322ccc"`
Dec 02 08:05:57.366 INFO running `"docker" "rm" "-f" "b862b55d4a1f831a351af833851bb1b11ecd5987fc98ed94dbbc84b189322ccc"`
Dec 02 08:05:57.599 INFO [stdout] b862b55d4a1f831a351af833851bb1b11ecd5987fc98ed94dbbc84b189322ccc