Nov 01 22:54:53.948 INFO checking frust-0.0.7 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 22:54:53.948 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 22:54:54.124 INFO blam! f18107d8f899f95156045bd4c23cfbf0550656f78f326a0ab08e30f5b91aa60d
Nov 01 22:54:54.126 INFO running `"docker" "start" "-a" "f18107d8f899f95156045bd4c23cfbf0550656f78f326a0ab08e30f5b91aa60d"`
Nov 01 22:54:54.588 INFO kablam! usermod: no changes
Nov 01 22:54:54.613 INFO kablam!     Checking frust v0.0.7 (/source)
Nov 01 22:54:55.657 INFO kablam! warning: unused import: `std::collections::*`
Nov 01 22:54:55.657 INFO kablam!    --> src/semigroup.rs:313:9
Nov 01 22:54:55.657 INFO kablam!     |
Nov 01 22:54:55.657 INFO kablam! 313 |     use std::collections::*;
Nov 01 22:54:55.657 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Nov 01 22:54:55.657 INFO kablam!     |
Nov 01 22:54:55.657 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 22:54:55.657 INFO kablam! 
Nov 01 22:54:55.657 INFO kablam! warning: unused import: `std::cell::*`
Nov 01 22:54:55.657 INFO kablam!    --> src/semigroup.rs:314:9
Nov 01 22:54:55.657 INFO kablam!     |
Nov 01 22:54:55.657 INFO kablam! 314 |     use std::cell::*;
Nov 01 22:54:55.657 INFO kablam!     |         ^^^^^^^^^^^^
Nov 01 22:54:55.657 INFO kablam! 
Nov 01 22:54:55.658 INFO kablam! warning: unused import: `std::collections::*`
Nov 01 22:54:55.660 INFO kablam!    --> src/monoid.rs:226:9
Nov 01 22:54:55.660 INFO kablam!     |
Nov 01 22:54:55.660 INFO kablam! 226 |     use std::collections::*;
Nov 01 22:54:55.660 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Nov 01 22:54:55.660 INFO kablam! 
Nov 01 22:54:57.710 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
Nov 01 22:54:57.713 INFO kablam! su: No module specific data is present
Nov 01 22:54:58.948 INFO running `"docker" "rm" "-f" "f18107d8f899f95156045bd4c23cfbf0550656f78f326a0ab08e30f5b91aa60d"`
Nov 01 22:54:59.208 INFO blam! f18107d8f899f95156045bd4c23cfbf0550656f78f326a0ab08e30f5b91aa60d