Sep 10 16:37:38.369 INFO checking ifstructs-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:37:38.369 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:37:38.369 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:37:38.540 INFO blam! 3d45d6e72db74672b3b5ffc375e3c1c7d9ef18387201d99648da2efd7231513b
Sep 10 16:37:38.542 INFO running `"docker" "start" "-a" "3d45d6e72db74672b3b5ffc375e3c1c7d9ef18387201d99648da2efd7231513b"`
Sep 10 16:37:39.689 INFO kablam! usermod: no changes
Sep 10 16:37:39.722 INFO kablam!     Checking ifstructs v0.1.1 (file:///source)
Sep 10 16:37:40.028 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 16:37:40.028 INFO kablam!  --> src/lib.rs:6:1
Sep 10 16:37:40.028 INFO kablam!   |
Sep 10 16:37:40.028 INFO kablam! 6 | #[macro_use]
Sep 10 16:37:40.028 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 16:37:40.028 INFO kablam!   |
Sep 10 16:37:40.028 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:37:40.028 INFO kablam! 
Sep 10 16:37:40.129 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Sep 10 16:37:40.131 INFO kablam! su: No module specific data is present
Sep 10 16:37:40.705 INFO running `"docker" "rm" "-f" "3d45d6e72db74672b3b5ffc375e3c1c7d9ef18387201d99648da2efd7231513b"`
Sep 10 16:37:40.761 INFO blam! 3d45d6e72db74672b3b5ffc375e3c1c7d9ef18387201d99648da2efd7231513b