Dec 01 15:56:28.971 INFO documenting fdumontmd/cask-update against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 15:56:28.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-0/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15:56:29.179 INFO [stdout] 6d4690fbca599ecf625327a4693c4feb3e56b6c7b229987f35f186621f2ef0d9
Dec 01 15:56:29.182 INFO running `"docker" "start" "-a" "6d4690fbca599ecf625327a4693c4feb3e56b6c7b229987f35f186621f2ef0d9"`
Dec 01 15:56:29.540 INFO [stderr] usermod: no changes
Dec 01 15:56:29.650 INFO [stderr]     Checking backtrace v0.3.6
Dec 01 15:56:29.655 INFO [stderr]     Checking structopt v0.2.8
Dec 01 15:56:30.105 INFO [stderr]     Checking error-chain v0.11.0
Dec 01 15:56:30.647 INFO [stderr]  Documenting cask-update v0.4.1 (/source)
Dec 01 15:56:33.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
Dec 01 15:56:33.287 INFO [stderr] su: No module specific data is present
Dec 01 15:56:33.785 INFO running `"docker" "inspect" "6d4690fbca599ecf625327a4693c4feb3e56b6c7b229987f35f186621f2ef0d9"`
Dec 01 15:56:34.172 INFO running `"docker" "rm" "-f" "6d4690fbca599ecf625327a4693c4feb3e56b6c7b229987f35f186621f2ef0d9"`
Dec 01 15:56:34.526 INFO [stdout] 6d4690fbca599ecf625327a4693c4feb3e56b6c7b229987f35f186621f2ef0d9