Dec 19 21:58:02.983 INFO checking Salehbigdeli/rust-with-lists against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:58:02.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Salehbigdeli/rust-with-lists:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:58:03.674 INFO [stdout] 86e6453ce67e68162c28df6930d84cb5de661c02c02ab2cdd3090be0bb9cdb57
Dec 19 21:58:03.694 INFO running `"docker" "start" "-a" "86e6453ce67e68162c28df6930d84cb5de661c02c02ab2cdd3090be0bb9cdb57"`
Dec 19 21:58:05.417 INFO [stderr]     Checking list v0.1.0 (/opt/crater/workdir)
Dec 19 21:58:05.852 INFO [stderr] warning: unused import: `std::mem`
Dec 19 21:58:05.852 INFO [stderr]  --> src/second.rs:1:5
Dec 19 21:58:05.852 INFO [stderr]   |
Dec 19 21:58:05.852 INFO [stderr] 1 | use std::mem;
Dec 19 21:58:05.852 INFO [stderr]   |     ^^^^^^^^
Dec 19 21:58:05.852 INFO [stderr]   |
Dec 19 21:58:05.852 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:58:05.852 INFO [stderr] 
Dec 19 21:58:05.912 INFO [stderr] warning: unused import: `std::mem`
Dec 19 21:58:05.912 INFO [stderr]  --> src/second.rs:1:5
Dec 19 21:58:05.912 INFO [stderr]   |
Dec 19 21:58:05.912 INFO [stderr] 1 | use std::mem;
Dec 19 21:58:05.912 INFO [stderr]   |     ^^^^^^^^
Dec 19 21:58:05.912 INFO [stderr]   |
Dec 19 21:58:05.916 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:58:05.916 INFO [stderr] 
Dec 19 21:58:06.379 INFO [stderr] warning: unused import: `list::first::List`
Dec 19 21:58:06.379 INFO [stderr]  --> src/main.rs:2:5
Dec 19 21:58:06.380 INFO [stderr]   |
Dec 19 21:58:06.380 INFO [stderr] 2 | use list::first::List;
Dec 19 21:58:06.380 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 21:58:06.380 INFO [stderr]   |
Dec 19 21:58:06.380 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:58:06.380 INFO [stderr] 
Dec 19 21:58:06.476 INFO [stderr] warning: unused import: `list::first::List`
Dec 19 21:58:06.476 INFO [stderr]  --> src/main.rs:2:5
Dec 19 21:58:06.476 INFO [stderr]   |
Dec 19 21:58:06.476 INFO [stderr] 2 | use list::first::List;
Dec 19 21:58:06.476 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 21:58:06.476 INFO [stderr]   |
Dec 19 21:58:06.476 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:58:06.476 INFO [stderr] 
Dec 19 21:58:06.525 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 19 21:58:07.637 INFO running `"docker" "inspect" "86e6453ce67e68162c28df6930d84cb5de661c02c02ab2cdd3090be0bb9cdb57"`
Dec 19 21:58:07.830 INFO running `"docker" "rm" "-f" "86e6453ce67e68162c28df6930d84cb5de661c02c02ab2cdd3090be0bb9cdb57"`
Dec 19 21:58:08.099 INFO [stdout] 86e6453ce67e68162c28df6930d84cb5de661c02c02ab2cdd3090be0bb9cdb57