Dec 18 17:42:43.088 INFO checking cem-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:42:43.088 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/cem/0.1.0:/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 17:42:43.558 INFO [stdout] 2bff3f426e3b9c6888d985b02d3fd0ac64dcd1d02566182c8287c6e79360620e
Dec 18 17:42:43.560 INFO running `"docker" "start" "-a" "2bff3f426e3b9c6888d985b02d3fd0ac64dcd1d02566182c8287c6e79360620e"`
Dec 18 17:42:46.411 INFO [stderr]     Checking cem v0.1.0 (/opt/crater/workdir)
Dec 18 17:42:47.362 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 17:42:47.362 INFO [stderr]   --> src/encode.rs:49:12
Dec 18 17:42:47.362 INFO [stderr]    |
Dec 18 17:42:47.362 INFO [stderr] 49 |     let s = s.trim_right_matches('\0');
Dec 18 17:42:47.362 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^
Dec 18 17:42:47.362 INFO [stderr]    |
Dec 18 17:42:47.362 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 17:42:47.362 INFO [stderr] 
Dec 18 17:42:47.408 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 17:42:47.408 INFO [stderr]   --> src/encode.rs:49:12
Dec 18 17:42:47.408 INFO [stderr]    |
Dec 18 17:42:47.408 INFO [stderr] 49 |     let s = s.trim_right_matches('\0');
Dec 18 17:42:47.408 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^
Dec 18 17:42:47.408 INFO [stderr]    |
Dec 18 17:42:47.408 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 17:42:47.408 INFO [stderr] 
Dec 18 17:42:48.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Dec 18 17:42:49.050 INFO running `"docker" "inspect" "2bff3f426e3b9c6888d985b02d3fd0ac64dcd1d02566182c8287c6e79360620e"`
Dec 18 17:42:49.345 INFO running `"docker" "rm" "-f" "2bff3f426e3b9c6888d985b02d3fd0ac64dcd1d02566182c8287c6e79360620e"`
Dec 18 17:42:49.592 INFO [stdout] 2bff3f426e3b9c6888d985b02d3fd0ac64dcd1d02566182c8287c6e79360620e