Nov 30 06:39:49.313 INFO checking austbot/tab against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:39:49.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 06:39:49.850 INFO [stdout] c22ad3c30cc1717892c25cff47c553a74cc3ae761bd52627269786338a5b8f38
Nov 30 06:39:49.852 INFO running `"docker" "start" "-a" "c22ad3c30cc1717892c25cff47c553a74cc3ae761bd52627269786338a5b8f38"`
Nov 30 06:39:51.983 INFO [stderr] usermod: no changes
Nov 30 06:39:52.064 INFO [stderr]     Checking swim v0.1.0 (/source/swim)
Nov 30 06:39:52.847 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 06:39:52.847 INFO [stderr]   --> swim/src/lib.rs:54:9
Nov 30 06:39:52.848 INFO [stderr]    |
Nov 30 06:39:52.848 INFO [stderr] 54 |         self.sender.as_ref().unwrap().send(job);
Nov 30 06:39:52.848 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:39:52.849 INFO [stderr]    |
Nov 30 06:39:52.849 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 06:39:52.849 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 06:39:52.849 INFO [stderr] 
Nov 30 06:39:52.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 06:39:52.863 INFO [stderr]   --> swim/src/lib.rs:54:9
Nov 30 06:39:52.863 INFO [stderr]    |
Nov 30 06:39:52.863 INFO [stderr] 54 |         self.sender.as_ref().unwrap().send(job);
Nov 30 06:39:52.863 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:39:52.863 INFO [stderr]    |
Nov 30 06:39:52.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 06:39:52.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 06:39:52.863 INFO [stderr] 
Nov 30 06:39:52.904 INFO [stderr]     Checking tab v0.1.0 (/source)
Nov 30 06:39:53.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
Nov 30 06:39:53.837 INFO [stderr] su: No module specific data is present
Nov 30 06:39:54.675 INFO running `"docker" "inspect" "c22ad3c30cc1717892c25cff47c553a74cc3ae761bd52627269786338a5b8f38"`
Nov 30 06:39:54.980 INFO running `"docker" "rm" "-f" "c22ad3c30cc1717892c25cff47c553a74cc3ae761bd52627269786338a5b8f38"`
Nov 30 06:39:55.279 INFO [stdout] c22ad3c30cc1717892c25cff47c553a74cc3ae761bd52627269786338a5b8f38