Sep 21 02:34:06.814 INFO checking stash-0.1.3 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 02:34:06.814 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 02:34:06.814 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:34:07.024 INFO blam! c21c3c77e336633a3e94ea26e11a82ba73dc48bae38cc77e12f7b42c5ed4e7fa
Sep 21 02:34:07.026 INFO running `"docker" "start" "-a" "c21c3c77e336633a3e94ea26e11a82ba73dc48bae38cc77e12f7b42c5ed4e7fa"`
Sep 21 02:34:08.121 INFO kablam! usermod: no changes
Sep 21 02:34:08.191 INFO kablam!     Checking stash v0.1.3 (/source)
Sep 21 02:34:10.126 INFO kablam! warning: unused import: `std::iter`
Sep 21 02:34:10.126 INFO kablam!  --> benches/unique_stash.rs:7:5
Sep 21 02:34:10.126 INFO kablam!   |
Sep 21 02:34:10.126 INFO kablam! 7 | use std::iter;
Sep 21 02:34:10.126 INFO kablam!   |     ^^^^^^^^^
Sep 21 02:34:10.126 INFO kablam!   |
Sep 21 02:34:10.126 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 02:34:10.126 INFO kablam! 
Sep 21 02:34:10.665 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
Sep 21 02:34:10.666 INFO kablam! su: No module specific data is present
Sep 21 02:34:11.316 INFO running `"docker" "rm" "-f" "c21c3c77e336633a3e94ea26e11a82ba73dc48bae38cc77e12f7b42c5ed4e7fa"`
Sep 21 02:34:11.406 INFO blam! c21c3c77e336633a3e94ea26e11a82ba73dc48bae38cc77e12f7b42c5ed4e7fa