[INFO] fetching crate eng-pwasm-abi 0.3.2...
[INFO] testing eng-pwasm-abi-0.3.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate eng-pwasm-abi 0.3.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate eng-pwasm-abi 0.3.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate eng-pwasm-abi 0.3.2
[INFO] finished tweaking crates.io crate eng-pwasm-abi 0.3.2
[INFO] tweaked toml for crates.io crate eng-pwasm-abi 0.3.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8db2276817652ca7ab6b994d30cd29f073eaf533075658166a149713dc724d37
[INFO] running `Command { std: "docker" "start" "-a" "8db2276817652ca7ab6b994d30cd29f073eaf533075658166a149713dc724d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db2276817652ca7ab6b994d30cd29f073eaf533075658166a149713dc724d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db2276817652ca7ab6b994d30cd29f073eaf533075658166a149713dc724d37", kill_on_drop: false }`
[INFO] [stdout] 8db2276817652ca7ab6b994d30cd29f073eaf533075658166a149713dc724d37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f44061a382aee2360f0283e2e3c1350b8866247a7c58c75231781e61ab23296
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f44061a382aee2360f0283e2e3c1350b8866247a7c58c75231781e61ab23296", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling uint v0.6.1
[INFO] [stderr]    Compiling eng-pwasm-abi v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / construct_uint!{
[INFO] [stdout] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 15 | |     pub struct U256(4);
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / construct_uint!{
[INFO] [stdout] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 15 | |     pub struct U256(4);
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_uint!{
[INFO] [stdout] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 20 | |     pub struct U512(8);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_uint!{
[INFO] [stdout] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 20 | |     pub struct U512(8);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "2f44061a382aee2360f0283e2e3c1350b8866247a7c58c75231781e61ab23296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f44061a382aee2360f0283e2e3c1350b8866247a7c58c75231781e61ab23296", kill_on_drop: false }`
[INFO] [stdout] 2f44061a382aee2360f0283e2e3c1350b8866247a7c58c75231781e61ab23296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 644004d26bd013eda7fbe61ced75180e590f83ada35714047a704bd62825ae56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "644004d26bd013eda7fbe61ced75180e590f83ada35714047a704bd62825ae56", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / construct_uint!{
[INFO] [stdout] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 15 | |     pub struct U256(4);
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / construct_uint!{
[INFO] [stdout] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 15 | |     pub struct U256(4);
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_uint!{
[INFO] [stdout] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 20 | |     pub struct U512(8);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_uint!{
[INFO] [stdout] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 20 | |     pub struct U512(8);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hex-literal v0.1.4
[INFO] [stderr]    Compiling eng-pwasm-abi v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/eth/tests.rs:78:56
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn single_decode<T: super::AbiType>(payload: &[u8]) -> (T) {
[INFO] [stdout]    |                                                        ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / construct_uint!{
[INFO] [stdout] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 15 | |     pub struct U256(4);
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / construct_uint!{
[INFO] [stdout] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 15 | |     pub struct U256(4);
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_uint!{
[INFO] [stdout] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 20 | |     pub struct U512(8);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/types.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_uint!{
[INFO] [stdout] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stdout] 20 | |     pub struct U512(8);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "644004d26bd013eda7fbe61ced75180e590f83ada35714047a704bd62825ae56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644004d26bd013eda7fbe61ced75180e590f83ada35714047a704bd62825ae56", kill_on_drop: false }`
[INFO] [stdout] 644004d26bd013eda7fbe61ced75180e590f83ada35714047a704bd62825ae56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68655254e541cdf06657ef4f97390967e6aab2b44dbb3b9d16aa55530e824754
[INFO] running `Command { std: "docker" "start" "-a" "68655254e541cdf06657ef4f97390967e6aab2b44dbb3b9d16aa55530e824754", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / construct_uint!{
[INFO] [stderr] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stderr] 15 | |     pub struct U256(4);
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / construct_uint!{
[INFO] [stderr] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stderr] 15 | |     pub struct U256(4);
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/types.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / construct_uint!{
[INFO] [stderr] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stderr] 20 | |     pub struct U512(8);
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/eth/tests.rs:78:56
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn single_decode<T: super::AbiType>(payload: &[u8]) -> (T) {
[INFO] [stderr]    |                                                        ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / construct_uint!{
[INFO] [stderr] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stderr] 15 | |     pub struct U256(4);
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / construct_uint!{
[INFO] [stderr] 14 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stderr] 15 | |     pub struct U256(4);
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/types.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / construct_uint!{
[INFO] [stderr] 19 | |     #[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
[INFO] [stderr] 20 | |     pub struct U512(8);
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `eng-pwasm-abi` (lib) generated 4 warnings (1 duplicate)
[INFO] [stderr] warning: `eng-pwasm-abi` (lib test) generated 5 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eng_pwasm_abi-249f542551bd1c53)
[INFO] [stdout] running 16 tests
[INFO] [stdout] test eth::common::tests::fixed_array_padding_2 ... ok
[INFO] [stdout] test eth::tests::hextest::bytes ... ok
[INFO] [stdout] test eth::tests::hextest::bytes_encode ... ok
[INFO] [stdout] test eth::tests::negative_i32 ... ok
[INFO] [stdout] test eth::tests::padding_test_i64 ... ok
[INFO] [stdout] test eth::tests::sample1_encode ... ok
[INFO] [stdout] test eth::tests::sample2_decode ... ok
[INFO] [stdout] test eth::tests::simple ... ok
[INFO] [stdout] test eth::tests::hextest::two_bytes ... ok
[INFO] [stderr]    Doc-tests eng-pwasm-abi
[INFO] [stdout] test eth::common::tests::fixed_array_padding ... ok
[INFO] [stdout] test eth::tests::fixed_size_decode ... ok
[INFO] [stdout] test eth::tests::negative_i32_max ... ok
[INFO] [stdout] test eth::tests::string_encode_decode ... ok
[INFO] [stdout] test eth::tests::padding_test_i32 ... ok
[INFO] [stdout] test eth::tests::sample1_decode ... ok
[INFO] [stdout] test eth::tests::u32_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68655254e541cdf06657ef4f97390967e6aab2b44dbb3b9d16aa55530e824754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68655254e541cdf06657ef4f97390967e6aab2b44dbb3b9d16aa55530e824754", kill_on_drop: false }`
[INFO] [stdout] 68655254e541cdf06657ef4f97390967e6aab2b44dbb3b9d16aa55530e824754