[INFO] fetching crate casperlabs-contract-ffi 0.4.0...
[INFO] extracting crate casperlabs-contract-ffi 0.4.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/casperlabs-contract-ffi/0.4.0
[INFO] extracting crate casperlabs-contract-ffi 0.4.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/casperlabs-contract-ffi/0.4.0
[INFO] validating manifest of casperlabs-contract-ffi-0.4.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of casperlabs-contract-ffi-0.4.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing casperlabs-contract-ffi-0.4.0
[INFO] finished frobbing casperlabs-contract-ffi-0.4.0
[INFO] frobbed toml for casperlabs-contract-ffi-0.4.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/casperlabs-contract-ffi/0.4.0/Cargo.toml
[INFO] started frobbing casperlabs-contract-ffi-0.4.0
[INFO] finished frobbing casperlabs-contract-ffi-0.4.0
[INFO] frobbed toml for casperlabs-contract-ffi-0.4.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/casperlabs-contract-ffi/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing casperlabs-contract-ffi-0.4.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/casperlabs-contract-ffi/0.4.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] f90d426f9d37853af9cdc50378b6e288ee367e1645c7f123219334cb3aa47d9d
[INFO] running `"docker" "start" "-a" "f90d426f9d37853af9cdc50378b6e288ee367e1645c7f123219334cb3aa47d9d"`
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling uint v0.6.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling casperlabs-contract-ffi v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no function or associated item named `uninitialized` found for type `core::mem::MaybeUninit<_>` in the current scope
[INFO] [stderr]    --> src/bytesrepr.rs:272:63
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let mut result: MaybeUninit<[T; N256]> = MaybeUninit::uninitialized();
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ function or associated item not found in `core::mem::MaybeUninit<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_initialized` found for type `core::mem::MaybeUninit<[T; 256]>` in the current scope
[INFO] [stderr]    --> src/bytesrepr.rs:280:24
[INFO] [stderr]     |
[INFO] [stderr] 280 |             Ok((result.into_initialized(), stream))
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `casperlabs-contract-ffi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f90d426f9d37853af9cdc50378b6e288ee367e1645c7f123219334cb3aa47d9d"`
[INFO] running `"docker" "rm" "-f" "f90d426f9d37853af9cdc50378b6e288ee367e1645c7f123219334cb3aa47d9d"`
[INFO] [stdout] f90d426f9d37853af9cdc50378b6e288ee367e1645c7f123219334cb3aa47d9d