Sep 10 18:52:38.507 INFO checking frust-0.0.7 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:52:38.507 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:52:38.507 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/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 18:52:38.644 INFO blam! 73a0ec5088f13e3b62db537a145497fff2e9504fe6b0609328ef26e38df32a86
Sep 10 18:52:38.646 INFO running `"docker" "start" "-a" "73a0ec5088f13e3b62db537a145497fff2e9504fe6b0609328ef26e38df32a86"`
Sep 10 18:52:39.416 INFO kablam! usermod: no changes
Sep 10 18:52:39.437 INFO kablam!     Checking frust v0.0.7 (file:///source)
Sep 10 18:52:39.872 INFO kablam! warning: unused import: `std::collections::*`
Sep 10 18:52:39.872 INFO kablam!    --> src/semigroup.rs:313:9
Sep 10 18:52:39.872 INFO kablam!     |
Sep 10 18:52:39.872 INFO kablam! 313 |     use std::collections::*;
Sep 10 18:52:39.872 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Sep 10 18:52:39.872 INFO kablam!     |
Sep 10 18:52:39.872 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 18:52:39.872 INFO kablam! 
Sep 10 18:52:39.872 INFO kablam! warning: unused import: `std::cell::*`
Sep 10 18:52:39.873 INFO kablam!    --> src/semigroup.rs:314:9
Sep 10 18:52:39.873 INFO kablam!     |
Sep 10 18:52:39.873 INFO kablam! 314 |     use std::cell::*;
Sep 10 18:52:39.873 INFO kablam!     |         ^^^^^^^^^^^^
Sep 10 18:52:39.873 INFO kablam! 
Sep 10 18:52:39.874 INFO kablam! warning: unused import: `std::collections::*`
Sep 10 18:52:39.874 INFO kablam!    --> src/monoid.rs:226:9
Sep 10 18:52:39.874 INFO kablam!     |
Sep 10 18:52:39.874 INFO kablam! 226 |     use std::collections::*;
Sep 10 18:52:39.874 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Sep 10 18:52:39.874 INFO kablam! 
Sep 10 18:52:41.081 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Sep 10 18:52:41.085 INFO kablam! su: No module specific data is present
Sep 10 18:52:42.190 INFO running `"docker" "rm" "-f" "73a0ec5088f13e3b62db537a145497fff2e9504fe6b0609328ef26e38df32a86"`
Sep 10 18:52:42.318 INFO blam! 73a0ec5088f13e3b62db537a145497fff2e9504fe6b0609328ef26e38df32a86