Dec 02 07:48:45.890 INFO documenting futures-core-0.2.1 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 02 07:48:45.890 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-4/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02 07:48:46.113 INFO [stdout] 799f34f7db18995c4b7a985d1db9c250650bf36308c7d8609a89cf59dd2590b6
Dec 02 07:48:46.115 INFO running `"docker" "start" "-a" "799f34f7db18995c4b7a985d1db9c250650bf36308c7d8609a89cf59dd2590b6"`
Dec 02 07:48:46.539 INFO [stderr] usermod: no changes
Dec 02 07:48:46.581 INFO [stderr]  Documenting futures-core v0.2.1 (/source)
Dec 02 07:48:47.996 INFO [stderr] error: `[]` cannot be resolved, ignoring it...
Dec 02 07:48:47.996 INFO [stderr]   --> src/task/context.rs:81:65
Dec 02 07:48:47.996 INFO [stderr]    |
Dec 02 07:48:47.996 INFO [stderr] 81 |         /// - A means of spawning new tasks, i.e. an [executor]()
Dec 02 07:48:47.996 INFO [stderr]    |                                                                 ^ cannot be resolved, ignoring
Dec 02 07:48:47.996 INFO [stderr]    |
Dec 02 07:48:47.996 INFO [stderr] note: lint level defined here
Dec 02 07:48:47.996 INFO [stderr]   --> src/lib.rs:4:54
Dec 02 07:48:47.996 INFO [stderr]    |
Dec 02 07:48:47.996 INFO [stderr] 4  | #![deny(missing_docs, missing_debug_implementations, warnings)]
Dec 02 07:48:47.996 INFO [stderr]    |                                                      ^^^^^^^^
Dec 02 07:48:47.996 INFO [stderr]    = note: #[deny(intra_doc_link_resolution_failure)] implied by #[deny(warnings)]
Dec 02 07:48:47.996 INFO [stderr]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Dec 02 07:48:47.996 INFO [stderr] 
Dec 02 07:48:48.055 INFO [stderr] error: Could not document `futures-core`.
Dec 02 07:48:48.055 INFO [stderr] 
Dec 02 07:48:48.055 INFO [stderr] Caused by:
Dec 02 07:48:48.055 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name futures_core src/lib.rs --color never -o /target/doc --cfg 'feature="default"' --cfg 'feature="either"' --cfg 'feature="std"' --document-private-items -L dependency=/target/debug/deps --extern either=/target/debug/deps/libeither-c233d7da8beaa0d6.rmeta --cap-lints=forbid` (exit code: 1)
Dec 02 07:48:48.055 INFO [stderr] su: No module specific data is present
Dec 02 07:48:48.432 INFO running `"docker" "inspect" "799f34f7db18995c4b7a985d1db9c250650bf36308c7d8609a89cf59dd2590b6"`
Dec 02 07:48:48.509 INFO running `"docker" "rm" "-f" "799f34f7db18995c4b7a985d1db9c250650bf36308c7d8609a89cf59dd2590b6"`
Dec 02 07:48:48.596 INFO [stdout] 799f34f7db18995c4b7a985d1db9c250650bf36308c7d8609a89cf59dd2590b6