Nov 27 23:31:04.353 INFO documenting data-pup/cargo-metadata-exercise against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 23:31:04.355 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-6/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-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"`
Nov 27 23:31:04.711 INFO [stdout] cd72cdfaabb10b0555ff0e2441a6f7406029b6a1c6349055ece2dd27ff0ef1bd
Nov 27 23:31:04.717 INFO running `"docker" "start" "-a" "cd72cdfaabb10b0555ff0e2441a6f7406029b6a1c6349055ece2dd27ff0ef1bd"`
Nov 27 23:31:05.638 INFO [stderr] usermod: no changes
Nov 27 23:31:05.763 INFO [stderr]     Checking semver v0.9.0
Nov 27 23:31:05.764 INFO [stderr]     Checking error-chain v0.12.0
Nov 27 23:31:06.474 INFO [stderr]     Checking cargo_metadata v0.6.0
Nov 27 23:31:08.044 INFO [stderr]  Documenting cargo-metadata-ex v0.1.0 (/source)
Nov 27 23:31:10.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
Nov 27 23:31:10.809 INFO [stderr] su: No module specific data is present
Nov 27 23:31:11.355 INFO running `"docker" "inspect" "cd72cdfaabb10b0555ff0e2441a6f7406029b6a1c6349055ece2dd27ff0ef1bd"`
Nov 27 23:31:11.462 INFO running `"docker" "rm" "-f" "cd72cdfaabb10b0555ff0e2441a6f7406029b6a1c6349055ece2dd27ff0ef1bd"`
Nov 27 23:31:11.590 INFO [stdout] cd72cdfaabb10b0555ff0e2441a6f7406029b6a1c6349055ece2dd27ff0ef1bd