[INFO] updating cached repository emilk/drop-merge-sort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emilk/drop-merge-sort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emilk/drop-merge-sort" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/emilk/drop-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/emilk/drop-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emilk/drop-merge-sort" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/emilk/drop-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/emilk/drop-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5805104710c40b2a083e57f7530dcaad3f3857c
[INFO] sha for GitHub repo emilk/drop-merge-sort: f5805104710c40b2a083e57f7530dcaad3f3857c
[INFO] validating manifest of emilk/drop-merge-sort on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emilk/drop-merge-sort on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emilk/drop-merge-sort
[INFO] finished frobbing emilk/drop-merge-sort
[INFO] frobbed toml for emilk/drop-merge-sort written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/emilk/drop-merge-sort/Cargo.toml
[INFO] started frobbing emilk/drop-merge-sort
[INFO] finished frobbing emilk/drop-merge-sort
[INFO] frobbed toml for emilk/drop-merge-sort written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/emilk/drop-merge-sort/Cargo.toml
[INFO] crate emilk/drop-merge-sort already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking emilk/drop-merge-sort against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/emilk/drop-merge-sort:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8281296b948876124988925e7277fb6ffe8d79c5a2919ab8d477bf083f4f3801
[INFO] running `"docker" "start" "-a" "8281296b948876124988925e7277fb6ffe8d79c5a2919ab8d477bf083f4f3801"`
[INFO] [stderr]     Checking dmsort v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]     Checking quickersort v2.2.0
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dmsort.rs:219:11
[INFO] [stderr]     |
[INFO] [stderr] 219 |     vec.push(mem::uninitialized::<T>());
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dmsort.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |                         s.dropped.push(mem::uninitialized::<T>());
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "8281296b948876124988925e7277fb6ffe8d79c5a2919ab8d477bf083f4f3801"`
[INFO] running `"docker" "rm" "-f" "8281296b948876124988925e7277fb6ffe8d79c5a2919ab8d477bf083f4f3801"`
[INFO] [stdout] 8281296b948876124988925e7277fb6ffe8d79c5a2919ab8d477bf083f4f3801