Dec 12 15:20:01.065 INFO checking ethereum-trie-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:20:01.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 15:20:01.562 INFO [stdout] 1a44bac43f8b6568d456827cd45302e93622d291541ef567f24e59085dbefe9c
Dec 12 15:20:01.564 INFO running `"docker" "start" "-a" "1a44bac43f8b6568d456827cd45302e93622d291541ef567f24e59085dbefe9c"`
Dec 12 15:20:03.559 INFO [stderr] usermod: no changes
Dec 12 15:20:03.681 INFO [stderr]     Checking ethereum-hexutil v0.2.3
Dec 12 15:20:03.681 INFO [stderr]     Checking elastic-array-plus v0.9.1
Dec 12 15:20:03.684 INFO [stderr]     Checking block-buffer v0.2.0
Dec 12 15:20:04.762 INFO [stderr]     Checking sha3 v0.6.0
Dec 12 15:20:05.428 INFO [stderr]     Checking ethereum-rlp v0.2.3
Dec 12 15:20:06.672 INFO [stderr]     Checking ethereum-bigint v0.2.9
Dec 12 15:20:09.324 INFO [stderr]     Checking ethereum-trie v0.4.0 (/source)
Dec 12 15:20:11.772 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Dec 12 15:20:11.772 INFO [stderr]   --> src/lib.rs:13:28
Dec 12 15:20:11.773 INFO [stderr]    |
Dec 12 15:20:11.773 INFO [stderr] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.774 INFO [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.774 INFO [stderr]    |
Dec 12 15:20:11.774 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 15:20:11.774 INFO [stderr] 
Dec 12 15:20:11.774 INFO [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype`
Dec 12 15:20:11.780 INFO [stderr]  --> src/merkle/nibble.rs:3:22
Dec 12 15:20:11.780 INFO [stderr]   |
Dec 12 15:20:11.780 INFO [stderr] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 12 15:20:11.780 INFO [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^       ^^^^^^^^^
Dec 12 15:20:11.780 INFO [stderr] 
Dec 12 15:20:11.780 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 12 15:20:11.780 INFO [stderr]  --> src/merkle/nibble.rs:4:5
Dec 12 15:20:11.780 INFO [stderr]   |
Dec 12 15:20:11.780 INFO [stderr] 4 | use std::ops::Deref;
Dec 12 15:20:11.780 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 15:20:11.780 INFO [stderr] 
Dec 12 15:20:11.780 INFO [stderr] warning: unused import: `Hash`
Dec 12 15:20:11.780 INFO [stderr]  --> src/merkle/nibble.rs:6:17
Dec 12 15:20:11.780 INFO [stderr]   |
Dec 12 15:20:11.780 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 12 15:20:11.780 INFO [stderr]   |                 ^^^^
Dec 12 15:20:11.780 INFO [stderr] 
Dec 12 15:20:11.780 INFO [stderr] warning: unused imports: `Debug`, `Formatter`, `self`
Dec 12 15:20:11.780 INFO [stderr]  --> src/merkle/nibble.rs:7:16
Dec 12 15:20:11.780 INFO [stderr]   |
Dec 12 15:20:11.780 INFO [stderr] 7 | use std::fmt::{self, Debug, Formatter};
Dec 12 15:20:11.780 INFO [stderr]   |                ^^^^  ^^^^^  ^^^^^^^^^
Dec 12 15:20:11.780 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 12 15:20:11.796 INFO [stderr]  --> src/merkle/node.rs:1:27
Dec 12 15:20:11.796 INFO [stderr]   |
Dec 12 15:20:11.796 INFO [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 12 15:20:11.796 INFO [stderr]   |                           ^^^^^^             ^^^^^^^^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused import: `Keccak256`
Dec 12 15:20:11.796 INFO [stderr]    --> src/merkle/node.rs:162:24
Dec 12 15:20:11.796 INFO [stderr]     |
Dec 12 15:20:11.796 INFO [stderr] 162 |     use sha3::{Digest, Keccak256};
Dec 12 15:20:11.796 INFO [stderr]     |                        ^^^^^^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Dec 12 15:20:11.796 INFO [stderr]    --> src/merkle/node.rs:163:32
Dec 12 15:20:11.796 INFO [stderr]     |
Dec 12 15:20:11.796 INFO [stderr] 163 |     use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.796 INFO [stderr]     |                                ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble`
Dec 12 15:20:11.796 INFO [stderr]  --> src/merkle/mod.rs:6:20
Dec 12 15:20:11.796 INFO [stderr]   |
Dec 12 15:20:11.796 INFO [stderr] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 12 15:20:11.796 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 12 15:20:11.796 INFO [stderr]  --> src/ops/insert.rs:2:39
Dec 12 15:20:11.796 INFO [stderr]   |
Dec 12 15:20:11.796 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.796 INFO [stderr]   |                                       ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused import: `self`
Dec 12 15:20:11.796 INFO [stderr]  --> src/ops/insert.rs:5:11
Dec 12 15:20:11.796 INFO [stderr]   |
Dec 12 15:20:11.796 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 12 15:20:11.796 INFO [stderr]   |           ^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.796 INFO [stderr] warning: unused imports: `NibbleSlice`, `self`
Dec 12 15:20:11.796 INFO [stderr]  --> src/ops/delete.rs:2:22
Dec 12 15:20:11.796 INFO [stderr]   |
Dec 12 15:20:11.796 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.796 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^
Dec 12 15:20:11.796 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `self`
Dec 12 15:20:11.797 INFO [stderr]  --> src/ops/delete.rs:5:11
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 12 15:20:11.797 INFO [stderr]   |           ^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `NibbleSlice`
Dec 12 15:20:11.797 INFO [stderr]  --> src/ops/build.rs:2:39
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.797 INFO [stderr]   |                                       ^^^^^^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused imports: `Rlp`, `self`
Dec 12 15:20:11.797 INFO [stderr]  --> src/ops/build.rs:7:11
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 7 | use rlp::{self, Rlp};
Dec 12 15:20:11.797 INFO [stderr]   |           ^^^^  ^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`, `self`
Dec 12 15:20:11.797 INFO [stderr]  --> src/ops/get.rs:2:22
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.797 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `Change`
Dec 12 15:20:11.797 INFO [stderr]  --> src/ops/get.rs:3:6
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 12 15:20:11.797 INFO [stderr]   |      ^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `self`
Dec 12 15:20:11.797 INFO [stderr]  --> src/ops/get.rs:5:11
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 12 15:20:11.797 INFO [stderr]   |           ^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `merkle::MerkleNode`
Dec 12 15:20:11.797 INFO [stderr]    --> src/memory.rs:102:9
Dec 12 15:20:11.797 INFO [stderr]     |
Dec 12 15:20:11.797 INFO [stderr] 102 |     use merkle::MerkleNode;
Dec 12 15:20:11.797 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `rlp::Rlp`
Dec 12 15:20:11.797 INFO [stderr]    --> src/memory.rs:103:9
Dec 12 15:20:11.797 INFO [stderr]     |
Dec 12 15:20:11.797 INFO [stderr] 103 |     use rlp::Rlp;
Dec 12 15:20:11.797 INFO [stderr]     |         ^^^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `std::cell::UnsafeCell`
Dec 12 15:20:11.797 INFO [stderr]    --> src/memory.rs:107:9
Dec 12 15:20:11.797 INFO [stderr]     |
Dec 12 15:20:11.797 INFO [stderr] 107 |     use std::cell::UnsafeCell;
Dec 12 15:20:11.797 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `hexutil::read_hex`
Dec 12 15:20:11.797 INFO [stderr]    --> src/memory.rs:109:9
Dec 12 15:20:11.797 INFO [stderr]     |
Dec 12 15:20:11.797 INFO [stderr] 109 |     use hexutil::read_hex;
Dec 12 15:20:11.797 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.797 INFO [stderr] warning: unused import: `Rlp`
Dec 12 15:20:11.797 INFO [stderr]  --> src/mutable.rs:2:17
Dec 12 15:20:11.797 INFO [stderr]   |
Dec 12 15:20:11.797 INFO [stderr] 2 | use rlp::{self, Rlp};
Dec 12 15:20:11.797 INFO [stderr]   |                 ^^^
Dec 12 15:20:11.797 INFO [stderr] 
Dec 12 15:20:11.833 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Dec 12 15:20:11.840 INFO [stderr]   --> src/lib.rs:13:28
Dec 12 15:20:11.840 INFO [stderr]    |
Dec 12 15:20:11.840 INFO [stderr] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.840 INFO [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.840 INFO [stderr]    |
Dec 12 15:20:11.840 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 15:20:11.840 INFO [stderr] 
Dec 12 15:20:11.840 INFO [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype`
Dec 12 15:20:11.840 INFO [stderr]  --> src/merkle/nibble.rs:3:22
Dec 12 15:20:11.840 INFO [stderr]   |
Dec 12 15:20:11.840 INFO [stderr] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 12 15:20:11.840 INFO [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^       ^^^^^^^^^
Dec 12 15:20:11.840 INFO [stderr] 
Dec 12 15:20:11.840 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 12 15:20:11.840 INFO [stderr]  --> src/merkle/nibble.rs:4:5
Dec 12 15:20:11.840 INFO [stderr]   |
Dec 12 15:20:11.840 INFO [stderr] 4 | use std::ops::Deref;
Dec 12 15:20:11.840 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 15:20:11.840 INFO [stderr] 
Dec 12 15:20:11.840 INFO [stderr] warning: unused import: `Hash`
Dec 12 15:20:11.840 INFO [stderr]  --> src/merkle/nibble.rs:6:17
Dec 12 15:20:11.840 INFO [stderr]   |
Dec 12 15:20:11.840 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 12 15:20:11.840 INFO [stderr]   |                 ^^^^
Dec 12 15:20:11.840 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `Debug`, `Formatter`, `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/merkle/nibble.rs:7:16
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 7 | use std::fmt::{self, Debug, Formatter};
Dec 12 15:20:11.841 INFO [stderr]   |                ^^^^  ^^^^^  ^^^^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 12 15:20:11.841 INFO [stderr]  --> src/merkle/node.rs:1:27
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 12 15:20:11.841 INFO [stderr]   |                           ^^^^^^             ^^^^^^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble`
Dec 12 15:20:11.841 INFO [stderr]  --> src/merkle/mod.rs:6:20
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 12 15:20:11.841 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/insert.rs:2:39
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.841 INFO [stderr]   |                                       ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused import: `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/insert.rs:5:11
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 12 15:20:11.841 INFO [stderr]   |           ^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `NibbleSlice`, `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/delete.rs:2:22
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.841 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused import: `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/delete.rs:5:11
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 12 15:20:11.841 INFO [stderr]   |           ^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused import: `NibbleSlice`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/build.rs:2:39
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.841 INFO [stderr]   |                                       ^^^^^^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `Rlp`, `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/build.rs:7:11
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 7 | use rlp::{self, Rlp};
Dec 12 15:20:11.841 INFO [stderr]   |           ^^^^  ^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`, `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/get.rs:2:22
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 12 15:20:11.841 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^  ^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused import: `Change`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/get.rs:3:6
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 12 15:20:11.841 INFO [stderr]   |      ^^^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused import: `self`
Dec 12 15:20:11.841 INFO [stderr]  --> src/ops/get.rs:5:11
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 12 15:20:11.841 INFO [stderr]   |           ^^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:11.841 INFO [stderr] warning: unused import: `Rlp`
Dec 12 15:20:11.841 INFO [stderr]  --> src/mutable.rs:2:17
Dec 12 15:20:11.841 INFO [stderr]   |
Dec 12 15:20:11.841 INFO [stderr] 2 | use rlp::{self, Rlp};
Dec 12 15:20:11.841 INFO [stderr]   |                 ^^^
Dec 12 15:20:11.841 INFO [stderr] 
Dec 12 15:20:12.140 INFO [stderr] warning: unused import: `Hasher`
Dec 12 15:20:12.140 INFO [stderr]  --> src/merkle/nibble.rs:6:23
Dec 12 15:20:12.140 INFO [stderr]   |
Dec 12 15:20:12.140 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 12 15:20:12.140 INFO [stderr]   |                       ^^^^^^
Dec 12 15:20:12.140 INFO [stderr] 
Dec 12 15:20:12.140 INFO [stderr] warning: unused import: `Decodable`
Dec 12 15:20:12.140 INFO [stderr]  --> src/merkle/node.rs:3:39
Dec 12 15:20:12.140 INFO [stderr]   |
Dec 12 15:20:12.140 INFO [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 12 15:20:12.140 INFO [stderr]   |                                       ^^^^^^^^^
Dec 12 15:20:12.140 INFO [stderr] 
Dec 12 15:20:12.140 INFO [stderr] warning: unused import: `Digest`
Dec 12 15:20:12.140 INFO [stderr]    --> src/merkle/node.rs:162:16
Dec 12 15:20:12.140 INFO [stderr]     |
Dec 12 15:20:12.140 INFO [stderr] 162 |     use sha3::{Digest, Keccak256};
Dec 12 15:20:12.140 INFO [stderr]     |                ^^^^^^
Dec 12 15:20:12.140 INFO [stderr] 
Dec 12 15:20:12.140 INFO [stderr] warning: unused import: `DatabaseHandle`
Dec 12 15:20:12.140 INFO [stderr]  --> src/ops/build.rs:3:14
Dec 12 15:20:12.140 INFO [stderr]   |
Dec 12 15:20:12.140 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 12 15:20:12.140 INFO [stderr]   |              ^^^^^^^^^^^^^^
Dec 12 15:20:12.140 INFO [stderr] 
Dec 12 15:20:12.160 INFO [stderr] warning: unused variable: `value`
Dec 12 15:20:12.160 INFO [stderr]    --> src/memory.rs:139:19
Dec 12 15:20:12.160 INFO [stderr]     |
Dec 12 15:20:12.160 INFO [stderr] 139 |         for (key, value) in &map {
Dec 12 15:20:12.160 INFO [stderr]     |                   ^^^^^ help: consider using `_value` instead
Dec 12 15:20:12.160 INFO [stderr]     |
Dec 12 15:20:12.160 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 15:20:12.160 INFO [stderr] 
Dec 12 15:20:12.164 INFO [stderr] warning: unused import: `Hasher`
Dec 12 15:20:12.164 INFO [stderr]  --> src/merkle/nibble.rs:6:23
Dec 12 15:20:12.164 INFO [stderr]   |
Dec 12 15:20:12.164 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 12 15:20:12.164 INFO [stderr]   |                       ^^^^^^
Dec 12 15:20:12.164 INFO [stderr] 
Dec 12 15:20:12.164 INFO [stderr] warning: unused import: `Decodable`
Dec 12 15:20:12.164 INFO [stderr]  --> src/merkle/node.rs:3:39
Dec 12 15:20:12.164 INFO [stderr]   |
Dec 12 15:20:12.164 INFO [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 12 15:20:12.164 INFO [stderr]   |                                       ^^^^^^^^^
Dec 12 15:20:12.164 INFO [stderr] 
Dec 12 15:20:12.164 INFO [stderr] warning: unused import: `DatabaseHandle`
Dec 12 15:20:12.164 INFO [stderr]  --> src/ops/build.rs:3:14
Dec 12 15:20:12.164 INFO [stderr]   |
Dec 12 15:20:12.164 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 12 15:20:12.164 INFO [stderr]   |              ^^^^^^^^^^^^^^
Dec 12 15:20:12.164 INFO [stderr] 
Dec 12 15:20:12.272 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:20:12.272 INFO [stderr]    --> src/memory.rs:121:13
Dec 12 15:20:12.272 INFO [stderr]     |
Dec 12 15:20:12.272 INFO [stderr] 121 |         let mut btrie = MemoryTrieMut::build(&map);
Dec 12 15:20:12.272 INFO [stderr]     |             ----^^^^^
Dec 12 15:20:12.272 INFO [stderr]     |             |
Dec 12 15:20:12.272 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:20:12.272 INFO [stderr]     |
Dec 12 15:20:12.272 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 15:20:12.272 INFO [stderr] 
Dec 12 15:20:12.470 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
Dec 12 15:20:12.479 INFO [stderr] su: No module specific data is present
Dec 12 15:20:13.126 INFO running `"docker" "inspect" "1a44bac43f8b6568d456827cd45302e93622d291541ef567f24e59085dbefe9c"`
Dec 12 15:20:13.418 INFO running `"docker" "rm" "-f" "1a44bac43f8b6568d456827cd45302e93622d291541ef567f24e59085dbefe9c"`
Dec 12 15:20:13.641 INFO [stdout] 1a44bac43f8b6568d456827cd45302e93622d291541ef567f24e59085dbefe9c