Dec 18 17:01:56.179 INFO checking difflib-0.4.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:01:56.179 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/difflib/0.4.0:/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 17:01:56.638 INFO [stdout] 5f66ac3237e00fa68a324235319fe379c800200fee3b41714acc93babb7c2dfb
Dec 18 17:01:56.640 INFO running `"docker" "start" "-a" "5f66ac3237e00fa68a324235319fe379c800200fee3b41714acc93babb7c2dfb"`
Dec 18 17:01:58.832 INFO [stderr]     Checking difflib v0.4.0 (/opt/crater/workdir)
Dec 18 17:01:59.648 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 17:01:59.648 INFO [stderr]    --> src/differ.rs:271:52
Dec 18 17:01:59.648 INFO [stderr]     |
Dec 18 17:01:59.648 INFO [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
Dec 18 17:01:59.648 INFO [stderr]     |                                                    ^^^^^^^^^^
Dec 18 17:01:59.648 INFO [stderr]     |
Dec 18 17:01:59.648 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 17:01:59.648 INFO [stderr] 
Dec 18 17:01:59.648 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 17:01:59.648 INFO [stderr]    --> src/differ.rs:272:54
Dec 18 17:01:59.648 INFO [stderr]     |
Dec 18 17:01:59.648 INFO [stderr] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
Dec 18 17:01:59.648 INFO [stderr]     |                                                      ^^^^^^^^^^
Dec 18 17:01:59.648 INFO [stderr] 
Dec 18 17:01:59.815 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 17:01:59.815 INFO [stderr]    --> src/differ.rs:271:52
Dec 18 17:01:59.815 INFO [stderr]     |
Dec 18 17:01:59.815 INFO [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
Dec 18 17:01:59.815 INFO [stderr]     |                                                    ^^^^^^^^^^
Dec 18 17:01:59.815 INFO [stderr]     |
Dec 18 17:01:59.815 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 17:01:59.815 INFO [stderr] 
Dec 18 17:01:59.815 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 17:01:59.815 INFO [stderr]    --> src/differ.rs:272:54
Dec 18 17:01:59.815 INFO [stderr]     |
Dec 18 17:01:59.815 INFO [stderr] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
Dec 18 17:01:59.815 INFO [stderr]     |                                                      ^^^^^^^^^^
Dec 18 17:01:59.815 INFO [stderr] 
Dec 18 17:02:01.049 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
Dec 18 17:02:01.900 INFO running `"docker" "inspect" "5f66ac3237e00fa68a324235319fe379c800200fee3b41714acc93babb7c2dfb"`
Dec 18 17:02:02.176 INFO running `"docker" "rm" "-f" "5f66ac3237e00fa68a324235319fe379c800200fee3b41714acc93babb7c2dfb"`
Dec 18 17:02:02.504 INFO [stdout] 5f66ac3237e00fa68a324235319fe379c800200fee3b41714acc93babb7c2dfb