Sep 18 00:29:28.574 INFO checking frust-0.0.7 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 00:29:28.574 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 00:29:28.574 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 00:29:28.771 INFO blam! 10a371f301fc9d37f0598fe8d7ff8add5e538119c25ef17c77f14264089b885d
Sep 18 00:29:28.775 INFO running `"docker" "start" "-a" "10a371f301fc9d37f0598fe8d7ff8add5e538119c25ef17c77f14264089b885d"`
Sep 18 00:29:29.902 INFO kablam! usermod: no changes
Sep 18 00:29:29.933 INFO kablam!     Checking frust v0.0.7 (/source)
Sep 18 00:29:30.391 INFO kablam! warning: unused import: `std::collections::*`
Sep 18 00:29:30.391 INFO kablam!    --> src/semigroup.rs:313:9
Sep 18 00:29:30.391 INFO kablam!     |
Sep 18 00:29:30.391 INFO kablam! 313 |     use std::collections::*;
Sep 18 00:29:30.391 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Sep 18 00:29:30.391 INFO kablam!     |
Sep 18 00:29:30.391 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 18 00:29:30.391 INFO kablam! 
Sep 18 00:29:30.391 INFO kablam! warning: unused import: `std::cell::*`
Sep 18 00:29:30.391 INFO kablam!    --> src/semigroup.rs:314:9
Sep 18 00:29:30.391 INFO kablam!     |
Sep 18 00:29:30.391 INFO kablam! 314 |     use std::cell::*;
Sep 18 00:29:30.391 INFO kablam!     |         ^^^^^^^^^^^^
Sep 18 00:29:30.391 INFO kablam! 
Sep 18 00:29:30.391 INFO kablam! warning: unused import: `std::collections::*`
Sep 18 00:29:30.391 INFO kablam!    --> src/monoid.rs:226:9
Sep 18 00:29:30.391 INFO kablam!     |
Sep 18 00:29:30.391 INFO kablam! 226 |     use std::collections::*;
Sep 18 00:29:30.391 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Sep 18 00:29:30.392 INFO kablam! 
Sep 18 00:29:31.843 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Sep 18 00:29:31.843 INFO kablam! su: No module specific data is present
Sep 18 00:29:33.371 INFO running `"docker" "rm" "-f" "10a371f301fc9d37f0598fe8d7ff8add5e538119c25ef17c77f14264089b885d"`
Sep 18 00:29:33.667 INFO blam! 10a371f301fc9d37f0598fe8d7ff8add5e538119c25ef17c77f14264089b885d