[INFO] crate ufmt-write 0.1.0-beta.1 is already in cache
[INFO] extracting crate ufmt-write 0.1.0-beta.1 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/ufmt-write/0.1.0-beta.1
[INFO] extracting crate ufmt-write 0.1.0-beta.1 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/ufmt-write/0.1.0-beta.1
[INFO] validating manifest of ufmt-write-0.1.0-beta.1 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 ufmt-write-0.1.0-beta.1 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 ufmt-write-0.1.0-beta.1
[INFO] finished frobbing ufmt-write-0.1.0-beta.1
[INFO] frobbed toml for ufmt-write-0.1.0-beta.1 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/ufmt-write/0.1.0-beta.1/Cargo.toml
[INFO] started frobbing ufmt-write-0.1.0-beta.1
[INFO] finished frobbing ufmt-write-0.1.0-beta.1
[INFO] frobbed toml for ufmt-write-0.1.0-beta.1 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/ufmt-write/0.1.0-beta.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 ufmt-write-0.1.0-beta.1 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/ufmt-write/0.1.0-beta.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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c7524c32a9ae5988a2f029717c819b7c324fce29752c6e6624f580e0101a7a7d
[INFO] running `"docker" "start" "-a" "c7524c32a9ae5988a2f029717c819b7c324fce29752c6e6624f580e0101a7a7d"`
[INFO] [stderr]     Checking ufmt-write v0.1.0-beta.1 (/opt/crater/workdir)
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/lib.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut buf: [u8; 4] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ufmt-write`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/lib.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut buf: [u8; 4] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ufmt-write`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c7524c32a9ae5988a2f029717c819b7c324fce29752c6e6624f580e0101a7a7d"`
[INFO] running `"docker" "rm" "-f" "c7524c32a9ae5988a2f029717c819b7c324fce29752c6e6624f580e0101a7a7d"`
[INFO] [stdout] c7524c32a9ae5988a2f029717c819b7c324fce29752c6e6624f580e0101a7a7d