Sep 10 16:37:37.068 INFO checking ifstructs-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:37:37.068 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:37:37.068 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/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 16:37:37.289 INFO blam! eb9c92c18c0d0a0c7e1af540a63fc4fefad87793a904986236707e40d3e12127
Sep 10 16:37:37.290 INFO running `"docker" "start" "-a" "eb9c92c18c0d0a0c7e1af540a63fc4fefad87793a904986236707e40d3e12127"`
Sep 10 16:37:38.074 INFO kablam! usermod: no changes
Sep 10 16:37:38.097 INFO kablam!     Checking ifstructs v0.1.1 (file:///source)
Sep 10 16:37:38.315 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 16:37:38.315 INFO kablam!  --> src/lib.rs:6:1
Sep 10 16:37:38.315 INFO kablam!   |
Sep 10 16:37:38.315 INFO kablam! 6 | #[macro_use]
Sep 10 16:37:38.315 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 16:37:38.315 INFO kablam!   |
Sep 10 16:37:38.315 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:37:38.315 INFO kablam! 
Sep 10 16:37:38.390 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Sep 10 16:37:38.393 INFO kablam! su: No module specific data is present
Sep 10 16:37:38.808 INFO running `"docker" "rm" "-f" "eb9c92c18c0d0a0c7e1af540a63fc4fefad87793a904986236707e40d3e12127"`
Sep 10 16:37:38.863 INFO blam! eb9c92c18c0d0a0c7e1af540a63fc4fefad87793a904986236707e40d3e12127