[INFO] crate casperlabs-contract-ffi 0.8.0 is already in cache
[INFO] extracting crate casperlabs-contract-ffi 0.8.0 into work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/casperlabs-contract-ffi/0.8.0
[INFO] extracting crate casperlabs-contract-ffi 0.8.0 into work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/casperlabs-contract-ffi/0.8.0
[INFO] validating manifest of casperlabs-contract-ffi-0.8.0 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of casperlabs-contract-ffi-0.8.0 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing casperlabs-contract-ffi-0.8.0
[INFO] finished frobbing casperlabs-contract-ffi-0.8.0
[INFO] frobbed toml for casperlabs-contract-ffi-0.8.0 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/casperlabs-contract-ffi/0.8.0/Cargo.toml
[INFO] started frobbing casperlabs-contract-ffi-0.8.0
[INFO] finished frobbing casperlabs-contract-ffi-0.8.0
[INFO] frobbed toml for casperlabs-contract-ffi-0.8.0 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/casperlabs-contract-ffi/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking casperlabs-contract-ffi-0.8.0 against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/casperlabs-contract-ffi/0.8.0:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4be66b3623fac4f37455e1b4adc73160b2281106cb49fd925b2a1749f432741e
[INFO] running `"docker" "start" "-a" "4be66b3623fac4f37455e1b4adc73160b2281106cb49fd925b2a1749f432741e"`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking siphasher v0.3.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking casperlabs-contract-ffi v0.8.0 (/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:330:63
[INFO] [stderr]     |
[INFO] [stderr] 330 |         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:338:24
[INFO] [stderr]     |
[INFO] [stderr] 338 |             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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4be66b3623fac4f37455e1b4adc73160b2281106cb49fd925b2a1749f432741e"`
[INFO] running `"docker" "rm" "-f" "4be66b3623fac4f37455e1b4adc73160b2281106cb49fd925b2a1749f432741e"`
[INFO] [stdout] 4be66b3623fac4f37455e1b4adc73160b2281106cb49fd925b2a1749f432741e