Sep 06 06:51:50.973 INFO checking frust-0.0.7 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 06:51:50.973 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 06:51:50.973 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 06:51:51.113 INFO blam! 239f3209e931a48232efcc2af0b53694cf87d5476ec1b8d5efa72a66933a803b
Sep 06 06:51:51.115 INFO running `"docker" "start" "-a" "239f3209e931a48232efcc2af0b53694cf87d5476ec1b8d5efa72a66933a803b"`
Sep 06 06:51:52.053 INFO kablam! usermod: no changes
Sep 06 06:51:52.077 INFO kablam!     Checking frust v0.0.7 (file:///source)
Sep 06 06:51:52.460 INFO kablam! warning: unused import: `std::collections::*`
Sep 06 06:51:52.460 INFO kablam!    --> src/semigroup.rs:313:9
Sep 06 06:51:52.460 INFO kablam!     |
Sep 06 06:51:52.460 INFO kablam! 313 |     use std::collections::*;
Sep 06 06:51:52.460 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Sep 06 06:51:52.460 INFO kablam!     |
Sep 06 06:51:52.460 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 06:51:52.460 INFO kablam! 
Sep 06 06:51:52.460 INFO kablam! warning: unused import: `std::cell::*`
Sep 06 06:51:52.460 INFO kablam!    --> src/semigroup.rs:314:9
Sep 06 06:51:52.460 INFO kablam!     |
Sep 06 06:51:52.461 INFO kablam! 314 |     use std::cell::*;
Sep 06 06:51:52.461 INFO kablam!     |         ^^^^^^^^^^^^
Sep 06 06:51:52.461 INFO kablam! 
Sep 06 06:51:52.461 INFO kablam! warning: unused import: `std::collections::*`
Sep 06 06:51:52.462 INFO kablam!    --> src/monoid.rs:226:9
Sep 06 06:51:52.462 INFO kablam!     |
Sep 06 06:51:52.462 INFO kablam! 226 |     use std::collections::*;
Sep 06 06:51:52.462 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Sep 06 06:51:52.462 INFO kablam! 
Sep 06 06:51:53.596 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Sep 06 06:51:53.598 INFO kablam! su: No module specific data is present
Sep 06 06:51:53.960 INFO running `"docker" "rm" "-f" "239f3209e931a48232efcc2af0b53694cf87d5476ec1b8d5efa72a66933a803b"`
Sep 06 06:51:54.042 INFO blam! 239f3209e931a48232efcc2af0b53694cf87d5476ec1b8d5efa72a66933a803b