[INFO] crate bittwiddler 0.0.1 is already in cache
[INFO] extracting crate bittwiddler 0.0.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bittwiddler/0.0.1
[INFO] extracting crate bittwiddler 0.0.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/bittwiddler/0.0.1
[INFO] validating manifest of bittwiddler-0.0.1 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bittwiddler-0.0.1 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bittwiddler-0.0.1
[INFO] finished frobbing bittwiddler-0.0.1
[INFO] frobbed toml for bittwiddler-0.0.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bittwiddler/0.0.1/Cargo.toml
[INFO] started frobbing bittwiddler-0.0.1
[INFO] finished frobbing bittwiddler-0.0.1
[INFO] frobbed toml for bittwiddler-0.0.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/bittwiddler/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bittwiddler-0.0.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 72188257f64476228ff9fd21d70d6192e53854efdbef654afd2a3657939b8a53
[INFO] running `"docker" "start" "-a" "72188257f64476228ff9fd21d70d6192e53854efdbef654afd2a3657939b8a53"`
[INFO] [stderr]     Checking syn v0.13.11
[INFO] [stderr]     Checking bittwiddler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/lib.rs:294:36
[INFO] [stderr]     |
[INFO] [stderr] 294 |             unsafe { Some(self.str.slice_unchecked(start_of_ret_idx, end_of_ret_idx)) }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/lib.rs:294:36
[INFO] [stderr]     |
[INFO] [stderr] 294 |             unsafe { Some(self.str.slice_unchecked(start_of_ret_idx, end_of_ret_idx)) }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "72188257f64476228ff9fd21d70d6192e53854efdbef654afd2a3657939b8a53"`
[INFO] running `"docker" "rm" "-f" "72188257f64476228ff9fd21d70d6192e53854efdbef654afd2a3657939b8a53"`
[INFO] [stdout] 72188257f64476228ff9fd21d70d6192e53854efdbef654afd2a3657939b8a53