Sep 14 16:35:13.544 INFO checking file_limit-0.0.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 16:35:13.545 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 16:35:13.545 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:35:13.681 INFO blam! eb71f242c46fdd8e53763338450bb84286372c9d5518a8476058fb3cf6a095ef
Sep 14 16:35:13.684 INFO running `"docker" "start" "-a" "eb71f242c46fdd8e53763338450bb84286372c9d5518a8476058fb3cf6a095ef"`
Sep 14 16:35:14.471 INFO kablam! usermod: no changes
Sep 14 16:35:14.498 INFO kablam!     Checking file_limit v0.0.2 (file:///source)
Sep 14 16:35:14.830 INFO kablam! warning: unused variable: `err`
Sep 14 16:35:14.830 INFO kablam!   --> src/lib.rs:82:13
Sep 14 16:35:14.830 INFO kablam!    |
Sep 14 16:35:14.830 INFO kablam! 82 |         Err(err) => assert!(false),
Sep 14 16:35:14.830 INFO kablam!    |             ^^^ help: consider using `_err` instead
Sep 14 16:35:14.830 INFO kablam!    |
Sep 14 16:35:14.830 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 14 16:35:14.830 INFO kablam! 
Sep 14 16:35:14.846 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Sep 14 16:35:14.847 INFO kablam! su: No module specific data is present
Sep 14 16:35:16.020 INFO running `"docker" "rm" "-f" "eb71f242c46fdd8e53763338450bb84286372c9d5518a8476058fb3cf6a095ef"`
Sep 14 16:35:16.083 INFO blam! eb71f242c46fdd8e53763338450bb84286372c9d5518a8476058fb3cf6a095ef