Sep 21 10:26:15.170 INFO checking file_limit-0.0.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 10:26:15.170 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 10:26:15.170 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:26:15.309 INFO blam! 9cf073b1eb90d335b6b7bf5d2e2063062441c9a072378c25933a68d06ebbb9cc
Sep 21 10:26:15.310 INFO running `"docker" "start" "-a" "9cf073b1eb90d335b6b7bf5d2e2063062441c9a072378c25933a68d06ebbb9cc"`
Sep 21 10:26:16.501 INFO kablam! usermod: no changes
Sep 21 10:26:16.523 INFO kablam!     Checking file_limit v0.0.2 (/source)
Sep 21 10:26:16.757 INFO kablam! warning: unused variable: `err`
Sep 21 10:26:16.757 INFO kablam!   --> src/lib.rs:82:13
Sep 21 10:26:16.757 INFO kablam!    |
Sep 21 10:26:16.757 INFO kablam! 82 |         Err(err) => assert!(false),
Sep 21 10:26:16.757 INFO kablam!    |             ^^^ help: consider using `_err` instead
Sep 21 10:26:16.757 INFO kablam!    |
Sep 21 10:26:16.757 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 10:26:16.757 INFO kablam! 
Sep 21 10:26:16.777 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Sep 21 10:26:16.779 INFO kablam! su: No module specific data is present
Sep 21 10:26:17.222 INFO running `"docker" "rm" "-f" "9cf073b1eb90d335b6b7bf5d2e2063062441c9a072378c25933a68d06ebbb9cc"`
Sep 21 10:26:17.288 INFO blam! 9cf073b1eb90d335b6b7bf5d2e2063062441c9a072378c25933a68d06ebbb9cc