Nov 05 00:04:28.995 INFO checking file_limit-0.0.2 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 05 00:04:28.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 05 00:04:29.225 INFO blam! 93e1c75d00bada81c364d381bd0358d6653d8a439101c95b2f7ffb1f317e2ff2
Nov 05 00:04:29.239 INFO running `"docker" "start" "-a" "93e1c75d00bada81c364d381bd0358d6653d8a439101c95b2f7ffb1f317e2ff2"`
Nov 05 00:04:29.666 INFO kablam! usermod: no changes
Nov 05 00:04:29.690 INFO kablam!     Checking file_limit v0.0.2 (/source)
Nov 05 00:04:30.379 INFO kablam! warning: unused variable: `err`
Nov 05 00:04:30.379 INFO kablam!   --> src/lib.rs:82:13
Nov 05 00:04:30.379 INFO kablam!    |
Nov 05 00:04:30.379 INFO kablam! 82 |         Err(err) => assert!(false),
Nov 05 00:04:30.379 INFO kablam!    |             ^^^ help: consider using `_err` instead
Nov 05 00:04:30.379 INFO kablam!    |
Nov 05 00:04:30.379 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 05 00:04:30.379 INFO kablam! 
Nov 05 00:04:30.391 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 05 00:04:30.394 INFO kablam! su: No module specific data is present
Nov 05 00:04:30.825 INFO running `"docker" "rm" "-f" "93e1c75d00bada81c364d381bd0358d6653d8a439101c95b2f7ffb1f317e2ff2"`
Nov 05 00:04:30.963 INFO blam! 93e1c75d00bada81c364d381bd0358d6653d8a439101c95b2f7ffb1f317e2ff2