Nov 28 09:07:27.036 INFO checking austbot/tab against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 09:07:27.038 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 09:07:27.353 INFO [stdout] 7940b0733a227e37c570a077c9fbbc5dc3a0fada1a02d2b78a9064b83b050fcb
Nov 28 09:07:27.355 INFO running `"docker" "start" "-a" "7940b0733a227e37c570a077c9fbbc5dc3a0fada1a02d2b78a9064b83b050fcb"`
Nov 28 09:07:28.313 INFO [stderr] usermod: no changes
Nov 28 09:07:28.354 INFO [stderr]     Checking swim v0.1.0 (/source/swim)
Nov 28 09:07:28.862 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:07:28.862 INFO [stderr]   --> swim/src/lib.rs:54:9
Nov 28 09:07:28.862 INFO [stderr]    |
Nov 28 09:07:28.862 INFO [stderr] 54 |         self.sender.as_ref().unwrap().send(job);
Nov 28 09:07:28.862 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:07:28.863 INFO [stderr]    |
Nov 28 09:07:28.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 09:07:28.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:07:28.863 INFO [stderr] 
Nov 28 09:07:28.897 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:07:28.897 INFO [stderr]   --> swim/src/lib.rs:54:9
Nov 28 09:07:28.897 INFO [stderr]    |
Nov 28 09:07:28.898 INFO [stderr] 54 |         self.sender.as_ref().unwrap().send(job);
Nov 28 09:07:28.898 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:07:28.898 INFO [stderr]    |
Nov 28 09:07:28.898 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 09:07:28.898 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:07:28.898 INFO [stderr] 
Nov 28 09:07:28.945 INFO [stderr]     Checking tab v0.1.0 (/source)
Nov 28 09:07:29.649 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Nov 28 09:07:29.654 INFO [stderr] su: No module specific data is present
Nov 28 09:07:30.058 INFO running `"docker" "inspect" "7940b0733a227e37c570a077c9fbbc5dc3a0fada1a02d2b78a9064b83b050fcb"`
Nov 28 09:07:30.178 INFO running `"docker" "rm" "-f" "7940b0733a227e37c570a077c9fbbc5dc3a0fada1a02d2b78a9064b83b050fcb"`
Nov 28 09:07:30.274 INFO [stdout] 7940b0733a227e37c570a077c9fbbc5dc3a0fada1a02d2b78a9064b83b050fcb