Dec 12 14:49:24.861 INFO checking frust-0.0.7 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:49:24.861 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 14:49:25.038 INFO [stdout] b6668aa0875b016ae64370737e665311ba37d384188858f23e3bfcead339493a
Dec 12 14:49:25.040 INFO running `"docker" "start" "-a" "b6668aa0875b016ae64370737e665311ba37d384188858f23e3bfcead339493a"`
Dec 12 14:49:25.617 INFO [stderr] usermod: no changes
Dec 12 14:49:25.648 INFO [stderr]     Checking frust v0.0.7 (/source)
Dec 12 14:49:26.584 INFO [stderr] warning: unused import: `std::collections::*`
Dec 12 14:49:26.584 INFO [stderr]    --> src/semigroup.rs:313:9
Dec 12 14:49:26.584 INFO [stderr]     |
Dec 12 14:49:26.584 INFO [stderr] 313 |     use std::collections::*;
Dec 12 14:49:26.584 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 12 14:49:26.584 INFO [stderr]     |
Dec 12 14:49:26.584 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 12 14:49:26.584 INFO [stderr] 
Dec 12 14:49:26.584 INFO [stderr] warning: unused import: `std::cell::*`
Dec 12 14:49:26.584 INFO [stderr]    --> src/semigroup.rs:314:9
Dec 12 14:49:26.584 INFO [stderr]     |
Dec 12 14:49:26.584 INFO [stderr] 314 |     use std::cell::*;
Dec 12 14:49:26.584 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 12 14:49:26.584 INFO [stderr] 
Dec 12 14:49:26.584 INFO [stderr] warning: unused import: `std::collections::*`
Dec 12 14:49:26.584 INFO [stderr]    --> src/monoid.rs:226:9
Dec 12 14:49:26.584 INFO [stderr]     |
Dec 12 14:49:26.584 INFO [stderr] 226 |     use std::collections::*;
Dec 12 14:49:26.584 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 12 14:49:26.584 INFO [stderr] 
Dec 12 14:49:27.744 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Dec 12 14:49:27.747 INFO [stderr] su: No module specific data is present
Dec 12 14:49:28.459 INFO running `"docker" "inspect" "b6668aa0875b016ae64370737e665311ba37d384188858f23e3bfcead339493a"`
Dec 12 14:49:28.734 INFO running `"docker" "rm" "-f" "b6668aa0875b016ae64370737e665311ba37d384188858f23e3bfcead339493a"`
Dec 12 14:49:28.877 INFO [stdout] b6668aa0875b016ae64370737e665311ba37d384188858f23e3bfcead339493a