Nov 28 19:59:55.878 INFO checking rats-0.0.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 19:59:55.878 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 19:59:56.385 INFO [stdout] f2c0b55acd8de26d1bccc75f5c2cb350608e83b3a265e0680450feb854db6980
Nov 28 19:59:56.392 INFO running `"docker" "start" "-a" "f2c0b55acd8de26d1bccc75f5c2cb350608e83b3a265e0680450feb854db6980"`
Nov 28 19:59:57.776 INFO [stderr] usermod: no changes
Nov 28 19:59:57.860 INFO [stderr]     Checking futures-io-preview v0.2.2
Nov 28 19:59:58.680 INFO [stderr]     Checking futures-util-preview v0.2.2
Nov 28 20:00:02.335 INFO [stderr]     Checking futures-executor-preview v0.2.2
Nov 28 20:00:03.411 INFO [stderr]     Checking futures-stable-preview v0.2.3
Nov 28 20:00:03.528 INFO [stderr]     Checking futures-async-runtime-preview v0.2.3
Nov 28 20:00:03.674 INFO [stderr]     Checking futures-preview v0.2.2
Nov 28 20:00:04.640 INFO [stderr]     Checking rats v0.0.1 (/source)
Nov 28 20:00:06.889 INFO [stderr] warning: unused import: `futures::future::AndThen`
Nov 28 20:00:06.890 INFO [stderr]  --> src/instances/future.rs:7:5
Nov 28 20:00:06.890 INFO [stderr]   |
Nov 28 20:00:06.890 INFO [stderr] 7 | use futures::future::AndThen;
Nov 28 20:00:06.890 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:00:06.891 INFO [stderr]   |
Nov 28 20:00:06.891 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 20:00:06.891 INFO [stderr] 
Nov 28 20:00:06.891 INFO [stderr] warning: unused import: `futures::future`
Nov 28 20:00:06.892 INFO [stderr]   --> src/instances/option.rs:77:13
Nov 28 20:00:06.892 INFO [stderr]    |
Nov 28 20:00:06.892 INFO [stderr] 77 |         use futures::future;
Nov 28 20:00:06.893 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Nov 28 20:00:06.893 INFO [stderr] 
Nov 28 20:00:06.893 INFO [stderr] warning: unused import: `futures::future::FutureResult`
Nov 28 20:00:06.893 INFO [stderr]   --> src/instances/option.rs:79:13
Nov 28 20:00:06.894 INFO [stderr]    |
Nov 28 20:00:06.894 INFO [stderr] 79 |         use futures::future::FutureResult;
Nov 28 20:00:06.894 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:00:06.894 INFO [stderr] 
Nov 28 20:00:06.895 INFO [stderr] warning: unused import: `applicative::Applicative`
Nov 28 20:00:06.895 INFO [stderr]  --> src/instances/result.rs:5:5
Nov 28 20:00:06.895 INFO [stderr]   |
Nov 28 20:00:06.896 INFO [stderr] 5 | use applicative::Applicative;
Nov 28 20:00:06.896 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:00:06.896 INFO [stderr] 
Nov 28 20:00:07.060 INFO [stderr] warning: unused import: `futures::future::AndThen`
Nov 28 20:00:07.060 INFO [stderr]  --> src/instances/future.rs:7:5
Nov 28 20:00:07.060 INFO [stderr]   |
Nov 28 20:00:07.060 INFO [stderr] 7 | use futures::future::AndThen;
Nov 28 20:00:07.060 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:00:07.060 INFO [stderr]   |
Nov 28 20:00:07.060 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 20:00:07.060 INFO [stderr] 
Nov 28 20:00:07.060 INFO [stderr] warning: unused import: `applicative::Applicative`
Nov 28 20:00:07.060 INFO [stderr]  --> src/instances/result.rs:5:5
Nov 28 20:00:07.060 INFO [stderr]   |
Nov 28 20:00:07.060 INFO [stderr] 5 | use applicative::Applicative;
Nov 28 20:00:07.060 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:00:07.060 INFO [stderr] 
Nov 28 20:00:07.427 INFO [stderr] warning: the feature `tool_attributes` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 28 20:00:07.427 INFO [stderr]  --> src/lib.rs:4:12
Nov 28 20:00:07.427 INFO [stderr]   |
Nov 28 20:00:07.427 INFO [stderr] 4 | #![feature(tool_attributes)]
Nov 28 20:00:07.427 INFO [stderr]   |            ^^^^^^^^^^^^^^^
Nov 28 20:00:07.427 INFO [stderr]   |
Nov 28 20:00:07.427 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 20:00:07.427 INFO [stderr] 
Nov 28 20:00:07.512 INFO [stderr] warning: the feature `tool_attributes` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 28 20:00:07.512 INFO [stderr]  --> src/lib.rs:4:12
Nov 28 20:00:07.512 INFO [stderr]   |
Nov 28 20:00:07.512 INFO [stderr] 4 | #![feature(tool_attributes)]
Nov 28 20:00:07.512 INFO [stderr]   |            ^^^^^^^^^^^^^^^
Nov 28 20:00:07.512 INFO [stderr]   |
Nov 28 20:00:07.512 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 20:00:07.512 INFO [stderr] 
Nov 28 20:00:07.573 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
Nov 28 20:00:07.579 INFO [stderr] su: No module specific data is present
Nov 28 20:00:08.309 INFO running `"docker" "inspect" "f2c0b55acd8de26d1bccc75f5c2cb350608e83b3a265e0680450feb854db6980"`
Nov 28 20:00:08.761 INFO running `"docker" "rm" "-f" "f2c0b55acd8de26d1bccc75f5c2cb350608e83b3a265e0680450feb854db6980"`
Nov 28 20:00:09.092 INFO [stdout] f2c0b55acd8de26d1bccc75f5c2cb350608e83b3a265e0680450feb854db6980