Sep 10 19:05:01.598 INFO checking file_limit-0.0.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 19:05:01.598 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 19:05:01.598 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 19:05:02.197 INFO blam! 2a8fe7f896e20951864eca11f7f61da47b01b2f5cbe3ea4838722012eb3cd8b2
Sep 10 19:05:02.198 INFO running `"docker" "start" "-a" "2a8fe7f896e20951864eca11f7f61da47b01b2f5cbe3ea4838722012eb3cd8b2"`
Sep 10 19:05:03.326 INFO kablam! usermod: no changes
Sep 10 19:05:03.354 INFO kablam!     Checking file_limit v0.0.2 (file:///source)
Sep 10 19:05:03.655 INFO kablam! warning: unused variable: `err`
Sep 10 19:05:03.656 INFO kablam!   --> src/lib.rs:82:13
Sep 10 19:05:03.656 INFO kablam!    |
Sep 10 19:05:03.656 INFO kablam! 82 |         Err(err) => assert!(false),
Sep 10 19:05:03.656 INFO kablam!    |             ^^^ help: consider using `_err` instead
Sep 10 19:05:03.656 INFO kablam!    |
Sep 10 19:05:03.656 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 19:05:03.656 INFO kablam! 
Sep 10 19:05:03.670 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Sep 10 19:05:03.673 INFO kablam! su: No module specific data is present
Sep 10 19:05:04.507 INFO running `"docker" "rm" "-f" "2a8fe7f896e20951864eca11f7f61da47b01b2f5cbe3ea4838722012eb3cd8b2"`
Sep 10 19:05:04.607 INFO blam! 2a8fe7f896e20951864eca11f7f61da47b01b2f5cbe3ea4838722012eb3cd8b2