Dec 01 18:20:56.364 INFO documenting casey/boilerplate against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 18:20:56.364 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-3/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 01 18:20:56.613 INFO [stdout] eeb0b9fc9d8e4e762dd1ee514e49cd33253d05f56ff347431520cf02cdb925c2
Dec 01 18:20:56.615 INFO running `"docker" "start" "-a" "eeb0b9fc9d8e4e762dd1ee514e49cd33253d05f56ff347431520cf02cdb925c2"`
Dec 01 18:20:57.368 INFO [stderr] usermod: no changes
Dec 01 18:20:57.524 INFO [stderr]    Compiling backtrace-sys v0.1.8
Dec 01 18:20:57.524 INFO [stderr]     Checking brev v0.1.7
Dec 01 18:21:05.875 INFO [stderr]     Checking backtrace v0.3.0
Dec 01 18:21:06.312 INFO [stderr]     Checking error-chain v0.9.0
Dec 01 18:21:06.880 INFO [stderr]  Documenting boilerplate v0.0.0 (/source)
Dec 01 18:21:08.874 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
Dec 01 18:21:08.881 INFO [stderr] su: No module specific data is present
Dec 01 18:21:09.198 INFO running `"docker" "inspect" "eeb0b9fc9d8e4e762dd1ee514e49cd33253d05f56ff347431520cf02cdb925c2"`
Dec 01 18:21:09.298 INFO running `"docker" "rm" "-f" "eeb0b9fc9d8e4e762dd1ee514e49cd33253d05f56ff347431520cf02cdb925c2"`
Dec 01 18:21:09.441 INFO [stdout] eeb0b9fc9d8e4e762dd1ee514e49cd33253d05f56ff347431520cf02cdb925c2