[INFO] fetching crate ethereum-block-core 0.2.0...
[INFO] checking ethereum-block-core-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate ethereum-block-core 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ethereum-block-core 0.2.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum-block-core 0.2.0
[INFO] finished tweaking crates.io crate ethereum-block-core 0.2.0
[INFO] tweaked toml for crates.io crate ethereum-block-core 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded ethereum-bigint v0.2.9
[INFO] [stderr]   Downloaded sha3 v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d73af72018dcd405a96d6ffbd4d6ff49ec50cb169d0b5dd95e2ae4550d08f31
[INFO] running `Command { std: "docker" "start" "-a" "8d73af72018dcd405a96d6ffbd4d6ff49ec50cb169d0b5dd95e2ae4550d08f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d73af72018dcd405a96d6ffbd4d6ff49ec50cb169d0b5dd95e2ae4550d08f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d73af72018dcd405a96d6ffbd4d6ff49ec50cb169d0b5dd95e2ae4550d08f31", kill_on_drop: false }`
[INFO] [stdout] 8d73af72018dcd405a96d6ffbd4d6ff49ec50cb169d0b5dd95e2ae4550d08f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5963c37d92153d561df8ce8c29eab48b4c8f0b8ed111493ea7ce28b263a3bee2
[INFO] running `Command { std: "docker" "start" "-a" "5963c37d92153d561df8ce8c29eab48b4c8f0b8ed111493ea7ce28b263a3bee2", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking elastic-array-plus v0.9.1
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.8.4
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking digest v0.6.1
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]     Checking ethereum-block-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Address`, `B256`, `Gas`
[INFO] [stdout]  --> src/account.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256};
[INFO] [stdout]   |              ^^^^^^^  ^^^              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `B256`, `Gas`, `H64`, `U256`
[INFO] [stdout]  --> src/log.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256, H64};
[INFO] [stdout]   |                       ^^^        ^^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transaction.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "std")] use std::rc::Rc;
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Address`, `B256`, `Gas`
[INFO] [stdout]  --> src/account.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256};
[INFO] [stdout]   |              ^^^^^^^  ^^^              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `B256`, `Gas`, `H64`, `U256`
[INFO] [stdout]  --> src/log.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256, H64};
[INFO] [stdout]   |                       ^^^        ^^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transaction.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "std")] use std::rc::Rc;
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u64`
[INFO] [stdout]   --> src/transaction.rs:87:48
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let address = Address::from(M256::from(0xDEADBEEFDEADBEEFDEADBEEF_u64));
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using the type `u128` instead: `0xDEADBEEFDEADBEEFDEADBEEF_u128`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the literal `0xDEADBEEFDEADBEEFDEADBEEF_u64` (decimal `68915718021581205938132336367`) does not fit into the type `u64` and will become `16045690984833335023u64`
[INFO] [stdout]    = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `i32`
[INFO] [stdout]    --> src/transaction.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let salt = H256::from(M256::from(0xDEADBEEF));
[INFO] [stdout]     |                                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the literal `0xDEADBEEF` (decimal `3735928559`) does not fit into the type `i32` and will become `-559038737i32`
[INFO] [stdout]     = help: consider using the type `u32` instead
[INFO] [stdout] help: to use as a negative number (decimal `-559038737`), consider using the type `u32` for the literal and cast it to `i32`
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let salt = H256::from(M256::from(0xDEADBEEFu32 as i32));
[INFO] [stdout]     |                                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethereum-block-core` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5963c37d92153d561df8ce8c29eab48b4c8f0b8ed111493ea7ce28b263a3bee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5963c37d92153d561df8ce8c29eab48b4c8f0b8ed111493ea7ce28b263a3bee2", kill_on_drop: false }`
[INFO] [stdout] 5963c37d92153d561df8ce8c29eab48b4c8f0b8ed111493ea7ce28b263a3bee2
[INFO] checking ethereum-block-core-0.2.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate ethereum-block-core 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ethereum-block-core 0.2.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum-block-core 0.2.0
[INFO] finished tweaking crates.io crate ethereum-block-core 0.2.0
[INFO] tweaked toml for crates.io crate ethereum-block-core 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f2891718e422cfc2f3d77ff80b5d7be1ba88d803cc4bdbd81721789ead2f6da
[INFO] running `Command { std: "docker" "start" "-a" "5f2891718e422cfc2f3d77ff80b5d7be1ba88d803cc4bdbd81721789ead2f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2891718e422cfc2f3d77ff80b5d7be1ba88d803cc4bdbd81721789ead2f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2891718e422cfc2f3d77ff80b5d7be1ba88d803cc4bdbd81721789ead2f6da", kill_on_drop: false }`
[INFO] [stdout] 5f2891718e422cfc2f3d77ff80b5d7be1ba88d803cc4bdbd81721789ead2f6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 981e4466ef395edb3e60df81a97dbd0b68cc9783dcadd5873285f8c7a8b00aca
[INFO] running `Command { std: "docker" "start" "-a" "981e4466ef395edb3e60df81a97dbd0b68cc9783dcadd5873285f8c7a8b00aca", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking elastic-array-plus v0.9.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.8.4
[INFO] [stderr]     Checking digest v0.6.1
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]     Checking ethereum-block-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Address`, `B256`, `Gas`
[INFO] [stdout]  --> src/account.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256};
[INFO] [stdout]   |              ^^^^^^^  ^^^              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `B256`, `Gas`, `H64`, `U256`
[INFO] [stdout]  --> src/log.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256, H64};
[INFO] [stdout]   |                       ^^^        ^^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transaction.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "std")] use std::rc::Rc;
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Address`, `B256`, `Gas`
[INFO] [stdout]  --> src/account.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256};
[INFO] [stdout]   |              ^^^^^^^  ^^^              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `B256`, `Gas`, `H64`, `U256`
[INFO] [stdout]  --> src/log.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256, H64};
[INFO] [stdout]   |                       ^^^        ^^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transaction.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "std")] use std::rc::Rc;
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/transaction.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Address::from(M256::from(&hash[12..]))
[INFO] [stdout]    |                                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/transaction.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Address::from(M256::from(&hash[12..]))
[INFO] [stdout]    |                                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u64`
[INFO] [stdout]   --> src/transaction.rs:87:48
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let address = Address::from(M256::from(0xDEADBEEFDEADBEEFDEADBEEF_u64));
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using the type `u128` instead: `0xDEADBEEFDEADBEEFDEADBEEF_u128`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the literal `0xDEADBEEFDEADBEEFDEADBEEF_u64` (decimal `68915718021581205938132336367`) does not fit into the type `u64` and will become `16045690984833335023u64`
[INFO] [stdout]    = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `i32`
[INFO] [stdout]    --> src/transaction.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let salt = H256::from(M256::from(0xDEADBEEF));
[INFO] [stdout]     |                                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the literal `0xDEADBEEF` (decimal `3735928559`) does not fit into the type `i32` and will become `-559038737i32`
[INFO] [stdout]     = help: consider using the type `u32` instead
[INFO] [stdout] help: to use as a negative number (decimal `-559038737`), consider using the type `u32` for the literal and cast it to `i32`
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let salt = H256::from(M256::from(0xDEADBEEFu32 as i32));
[INFO] [stdout]     |                                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethereum-block-core` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "981e4466ef395edb3e60df81a97dbd0b68cc9783dcadd5873285f8c7a8b00aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981e4466ef395edb3e60df81a97dbd0b68cc9783dcadd5873285f8c7a8b00aca", kill_on_drop: false }`
[INFO] [stdout] 981e4466ef395edb3e60df81a97dbd0b68cc9783dcadd5873285f8c7a8b00aca
