Dec 18 17:21:38.831 INFO checking core_extensions-0.1.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:21:38.831 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/core_extensions/0.1.4:/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 17:21:39.440 INFO [stdout] e6168305af3d0d4fc57d794fb38b5c1cc8547e969560a5e72b62a51f2d307f6d
Dec 18 17:21:39.442 INFO running `"docker" "start" "-a" "e6168305af3d0d4fc57d794fb38b5c1cc8547e969560a5e72b62a51f2d307f6d"`
Dec 18 17:21:41.091 INFO [stderr]    Compiling core_extensions v0.1.4 (/opt/crater/workdir)
Dec 18 17:21:43.180 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 17:21:43.180 INFO [stderr]    --> src_core_extensions/strings/mod.rs:591:27
Dec 18 17:21:43.180 INFO [stderr]     |
Dec 18 17:21:43.180 INFO [stderr] 591 |         this.len() - this.trim_left().len()
Dec 18 17:21:43.180 INFO [stderr]     |                           ^^^^^^^^^
Dec 18 17:21:43.180 INFO [stderr]     |
Dec 18 17:21:43.180 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 17:21:43.180 INFO [stderr] 
Dec 18 17:21:43.970 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 17:21:43.970 INFO [stderr]    --> src_core_extensions/strings/mod.rs:591:27
Dec 18 17:21:43.970 INFO [stderr]     |
Dec 18 17:21:43.970 INFO [stderr] 591 |         this.len() - this.trim_left().len()
Dec 18 17:21:43.970 INFO [stderr]     |                           ^^^^^^^^^
Dec 18 17:21:43.970 INFO [stderr]     |
Dec 18 17:21:43.970 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 17:21:43.970 INFO [stderr] 
Dec 18 17:21:45.101 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
Dec 18 17:21:46.484 INFO running `"docker" "inspect" "e6168305af3d0d4fc57d794fb38b5c1cc8547e969560a5e72b62a51f2d307f6d"`
Dec 18 17:21:46.702 INFO running `"docker" "rm" "-f" "e6168305af3d0d4fc57d794fb38b5c1cc8547e969560a5e72b62a51f2d307f6d"`
Dec 18 17:21:46.951 INFO [stdout] e6168305af3d0d4fc57d794fb38b5c1cc8547e969560a5e72b62a51f2d307f6d