Dec 18 18:07:49.201 INFO checking bittwiddler-0.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:07:49.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/bittwiddler/0.0.1:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:07:49.561 INFO [stdout] 2bafd2cca33889e2709720274565dce2722e1437ba14b1ed73ba195a8a4a45f8
Dec 18 18:07:49.565 INFO running `"docker" "start" "-a" "2bafd2cca33889e2709720274565dce2722e1437ba14b1ed73ba195a8a4a45f8"`
Dec 18 18:07:50.740 INFO [stderr]     Checking syn v0.13.11
Dec 18 18:07:54.488 INFO [stderr]     Checking bittwiddler v0.0.1 (/opt/crater/workdir)
Dec 18 18:07:55.500 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
Dec 18 18:07:55.500 INFO [stderr]    --> src/lib.rs:294:36
Dec 18 18:07:55.500 INFO [stderr]     |
Dec 18 18:07:55.500 INFO [stderr] 294 |             unsafe { Some(self.str.slice_unchecked(start_of_ret_idx, end_of_ret_idx)) }
Dec 18 18:07:55.500 INFO [stderr]     |                                    ^^^^^^^^^^^^^^^
Dec 18 18:07:55.500 INFO [stderr]     |
Dec 18 18:07:55.500 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 18:07:55.500 INFO [stderr] 
Dec 18 18:07:55.552 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
Dec 18 18:07:55.552 INFO [stderr]    --> src/lib.rs:294:36
Dec 18 18:07:55.552 INFO [stderr]     |
Dec 18 18:07:55.552 INFO [stderr] 294 |             unsafe { Some(self.str.slice_unchecked(start_of_ret_idx, end_of_ret_idx)) }
Dec 18 18:07:55.552 INFO [stderr]     |                                    ^^^^^^^^^^^^^^^
Dec 18 18:07:55.552 INFO [stderr]     |
Dec 18 18:07:55.552 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 18:07:55.552 INFO [stderr] 
Dec 18 18:07:56.153 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
Dec 18 18:07:56.723 INFO running `"docker" "inspect" "2bafd2cca33889e2709720274565dce2722e1437ba14b1ed73ba195a8a4a45f8"`
Dec 18 18:07:56.992 INFO running `"docker" "rm" "-f" "2bafd2cca33889e2709720274565dce2722e1437ba14b1ed73ba195a8a4a45f8"`
Dec 18 18:07:57.248 INFO [stdout] 2bafd2cca33889e2709720274565dce2722e1437ba14b1ed73ba195a8a4a45f8