Nov 28 12:05:39.278 INFO documenting metrics-0.2.3 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 12:05:39.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-6/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-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 28 12:05:39.456 INFO [stdout] cb0a8f651ce47cd62949d4b7ce0a0aff7a73cd3782951e0f8ce71b5cc2bdd254
Nov 28 12:05:39.460 INFO running `"docker" "start" "-a" "cb0a8f651ce47cd62949d4b7ce0a0aff7a73cd3782951e0f8ce71b5cc2bdd254"`
Nov 28 12:05:39.838 INFO [stderr] usermod: no changes
Nov 28 12:05:39.962 INFO [stderr]     Checking histogram v0.6.9
Nov 28 12:05:40.315 INFO [stderr]  Documenting metrics v0.2.3 (/source)
Nov 28 12:05:42.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Nov 28 12:05:42.019 INFO [stderr] su: No module specific data is present
Nov 28 12:05:42.392 INFO running `"docker" "inspect" "cb0a8f651ce47cd62949d4b7ce0a0aff7a73cd3782951e0f8ce71b5cc2bdd254"`
Nov 28 12:05:42.524 INFO running `"docker" "rm" "-f" "cb0a8f651ce47cd62949d4b7ce0a0aff7a73cd3782951e0f8ce71b5cc2bdd254"`
Nov 28 12:05:42.679 INFO [stdout] cb0a8f651ce47cd62949d4b7ce0a0aff7a73cd3782951e0f8ce71b5cc2bdd254