Nov 28 10:46:53.844 INFO documenting prosafe_exporter-0.2.1 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 10:46:53.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-2/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 10:46:54.131 INFO [stdout] f4a37029f408f17f474ac4183fb5b2088057cc1dea1ffbebe8a1995aeae0b6d7
Nov 28 10:46:54.131 INFO running `"docker" "start" "-a" "f4a37029f408f17f474ac4183fb5b2088057cc1dea1ffbebe8a1995aeae0b6d7"`
Nov 28 10:46:54.760 INFO [stderr] usermod: no changes
Nov 28 10:46:55.336 INFO [stderr]     Checking smallvec v0.6.6
Nov 28 10:46:55.346 INFO [stderr]     Checking prometheus v0.4.2
Nov 28 10:46:55.348 INFO [stderr]     Checking combine v3.6.3
Nov 28 10:46:55.355 INFO [stderr]    Compiling handlebars v0.29.1
Nov 28 10:46:56.851 INFO [stderr]     Checking parking_lot_core v0.3.1
Nov 28 10:46:58.162 INFO [stderr]     Checking parking_lot v0.6.4
Nov 28 10:46:59.372 INFO [stderr]     Checking tokio-reactor v0.1.7
Nov 28 10:47:04.155 INFO [stderr]     Checking tokio-udp v0.1.3
Nov 28 10:47:04.235 INFO [stderr]     Checking tokio-tcp v0.1.2
Nov 28 10:47:04.429 INFO [stderr]     Checking tokio-uds v0.2.4
Nov 28 10:47:05.075 INFO [stderr]    Compiling interfaces2 v0.0.5
Nov 28 10:47:10.271 INFO [stderr]     Checking tokio v0.1.13
Nov 28 10:47:12.668 INFO [stderr]     Checking hyper v0.12.16
Nov 28 10:47:25.739 INFO [stderr]  Documenting prosafe_exporter v0.2.1 (/source)
Nov 28 10:47:33.383 INFO [stderr] warning: `[::core::Desc]` cannot be resolved, ignoring it...
Nov 28 10:47:33.383 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/prometheus-0.4.2/src/desc.rs:214:39
Nov 28 10:47:33.383 INFO [stderr]     |
Nov 28 10:47:33.383 INFO [stderr] 214 |     /// `describe` returns a [`Desc`](::core::Desc).
Nov 28 10:47:33.383 INFO [stderr]     |                                       ^^^^^^^^^^^^ cannot be resolved, ignoring
Nov 28 10:47:33.383 INFO [stderr]     |
Nov 28 10:47:33.383 INFO [stderr]     = note: #[warn(intra_doc_link_resolution_failure)] on by default
Nov 28 10:47:33.383 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 10:47:33.383 INFO [stderr] 
Nov 28 10:47:33.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.75s
Nov 28 10:47:33.571 INFO [stderr] su: No module specific data is present
Nov 28 10:47:34.339 INFO running `"docker" "inspect" "f4a37029f408f17f474ac4183fb5b2088057cc1dea1ffbebe8a1995aeae0b6d7"`
Nov 28 10:47:34.723 INFO running `"docker" "rm" "-f" "f4a37029f408f17f474ac4183fb5b2088057cc1dea1ffbebe8a1995aeae0b6d7"`
Nov 28 10:47:35.075 INFO [stdout] f4a37029f408f17f474ac4183fb5b2088057cc1dea1ffbebe8a1995aeae0b6d7