Dec 18 17:34:06.823 INFO checking circular-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:34:06.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/circular/0.2.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:34:07.260 INFO [stdout] 22eca395e43a86a1fa55c611d7d66d03a5e435d608e36e7c25abda34cd03e765
Dec 18 17:34:07.262 INFO running `"docker" "start" "-a" "22eca395e43a86a1fa55c611d7d66d03a5e435d608e36e7c25abda34cd03e765"`
Dec 18 17:34:08.592 INFO [stderr]     Checking circular v0.2.0 (/opt/crater/workdir)
Dec 18 17:34:09.283 INFO [stderr] warning: unused import: `std::str`
Dec 18 17:34:09.283 INFO [stderr]    --> src/lib.rs:387:7
Dec 18 17:34:09.283 INFO [stderr]     |
Dec 18 17:34:09.283 INFO [stderr] 387 |   use std::str;
Dec 18 17:34:09.283 INFO [stderr]     |       ^^^^^^^^
Dec 18 17:34:09.287 INFO [stderr]     |
Dec 18 17:34:09.287 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 17:34:09.287 INFO [stderr] 
Dec 18 17:34:09.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 18 17:34:10.455 INFO running `"docker" "inspect" "22eca395e43a86a1fa55c611d7d66d03a5e435d608e36e7c25abda34cd03e765"`
Dec 18 17:34:10.659 INFO running `"docker" "rm" "-f" "22eca395e43a86a1fa55c611d7d66d03a5e435d608e36e7c25abda34cd03e765"`
Dec 18 17:34:10.889 INFO [stdout] 22eca395e43a86a1fa55c611d7d66d03a5e435d608e36e7c25abda34cd03e765