Dec 17 10:51:55.965 INFO checking zmbush/regex-zh against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 10:51:55.966 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/zmbush/regex-zh:/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 17 10:51:56.472 INFO [stdout] 4c3576a8c1fa65fd5609ac3d1658f3a152b9d4c55ef5f99ee490fc7520d1aa88
Dec 17 10:51:56.480 INFO running `"docker" "start" "-a" "4c3576a8c1fa65fd5609ac3d1658f3a152b9d4c55ef5f99ee490fc7520d1aa88"`
Dec 17 10:51:57.920 INFO [stderr]     Checking regex v0.1.0 (/opt/crater/workdir)
Dec 17 10:51:58.187 INFO [stderr] warning: unused import: `RefMut`
Dec 17 10:51:58.187 INFO [stderr]  --> src/main.rs:3:26
Dec 17 10:51:58.187 INFO [stderr]   |
Dec 17 10:51:58.187 INFO [stderr] 3 | use std::cell::{RefCell, RefMut};
Dec 17 10:51:58.187 INFO [stderr]   |                          ^^^^^^
Dec 17 10:51:58.187 INFO [stderr]   |
Dec 17 10:51:58.187 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 10:51:58.187 INFO [stderr] 
Dec 17 10:51:58.188 INFO [stderr] warning: unused import: `RefMut`
Dec 17 10:51:58.188 INFO [stderr]  --> src/main.rs:3:26
Dec 17 10:51:58.188 INFO [stderr]   |
Dec 17 10:51:58.188 INFO [stderr] 3 | use std::cell::{RefCell, RefMut};
Dec 17 10:51:58.188 INFO [stderr]   |                          ^^^^^^
Dec 17 10:51:58.188 INFO [stderr]   |
Dec 17 10:51:58.188 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 10:51:58.188 INFO [stderr] 
Dec 17 10:51:58.308 INFO [stderr] warning: the feature `drain` has been stable since 1.6.0 and no longer requires an attribute to enable
Dec 17 10:51:58.308 INFO [stderr]  --> src/main.rs:1:12
Dec 17 10:51:58.308 INFO [stderr]   |
Dec 17 10:51:58.308 INFO [stderr] 1 | #![feature(drain)]
Dec 17 10:51:58.308 INFO [stderr]   |            ^^^^^
Dec 17 10:51:58.308 INFO [stderr]   |
Dec 17 10:51:58.308 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 10:51:58.308 INFO [stderr] 
Dec 17 10:51:58.380 INFO [stderr] warning: the feature `drain` has been stable since 1.6.0 and no longer requires an attribute to enable
Dec 17 10:51:58.380 INFO [stderr]  --> src/main.rs:1:12
Dec 17 10:51:58.380 INFO [stderr]   |
Dec 17 10:51:58.380 INFO [stderr] 1 | #![feature(drain)]
Dec 17 10:51:58.380 INFO [stderr]   |            ^^^^^
Dec 17 10:51:58.380 INFO [stderr]   |
Dec 17 10:51:58.380 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 10:51:58.380 INFO [stderr] 
Dec 17 10:51:58.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 17 10:51:59.255 INFO running `"docker" "inspect" "4c3576a8c1fa65fd5609ac3d1658f3a152b9d4c55ef5f99ee490fc7520d1aa88"`
Dec 17 10:51:59.492 INFO running `"docker" "rm" "-f" "4c3576a8c1fa65fd5609ac3d1658f3a152b9d4c55ef5f99ee490fc7520d1aa88"`
Dec 17 10:51:59.944 INFO [stdout] 4c3576a8c1fa65fd5609ac3d1658f3a152b9d4c55ef5f99ee490fc7520d1aa88