Nov 18 14:56:01.420 INFO testing etcommon-trie-0.4.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 14:56:01.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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"`
Nov 18 14:56:01.773 INFO [stdout] 1e9223ad10b1beddde5d24c9257bba0f862bff242f66109aec13b69d825cfc91
Nov 18 14:56:01.783 INFO running `"docker" "start" "-a" "1e9223ad10b1beddde5d24c9257bba0f862bff242f66109aec13b69d825cfc91"`
Nov 18 14:56:02.735 INFO [stderr] usermod: no changes
Nov 18 14:56:02.825 INFO [stderr]    Compiling etcommon-rlp v0.2.4
Nov 18 14:56:04.679 INFO [stderr]    Compiling etcommon-bigint v0.2.10
Nov 18 14:56:08.189 INFO [stderr]    Compiling etcommon-trie v0.4.0 (/source)
Nov 18 14:56:09.564 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Nov 18 14:56:09.564 INFO [stderr]   --> src/lib.rs:13:28
Nov 18 14:56:09.564 INFO [stderr]    |
Nov 18 14:56:09.565 INFO [stderr] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:09.565 INFO [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:09.565 INFO [stderr]    |
Nov 18 14:56:09.566 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 14:56:09.566 INFO [stderr] 
Nov 18 14:56:09.566 INFO [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype`
Nov 18 14:56:09.566 INFO [stderr]  --> src/merkle/nibble.rs:3:22
Nov 18 14:56:09.567 INFO [stderr]   |
Nov 18 14:56:09.567 INFO [stderr] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype};
Nov 18 14:56:09.567 INFO [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^       ^^^^^^^^^
Nov 18 14:56:09.567 INFO [stderr] 
Nov 18 14:56:09.568 INFO [stderr] warning: unused import: `std::ops::Deref`
Nov 18 14:56:09.568 INFO [stderr]  --> src/merkle/nibble.rs:4:5
Nov 18 14:56:09.568 INFO [stderr]   |
Nov 18 14:56:09.569 INFO [stderr] 4 | use std::ops::Deref;
Nov 18 14:56:09.569 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 18 14:56:09.569 INFO [stderr] 
Nov 18 14:56:09.569 INFO [stderr] warning: unused import: `Hash`
Nov 18 14:56:09.570 INFO [stderr]  --> src/merkle/nibble.rs:6:17
Nov 18 14:56:09.570 INFO [stderr]   |
Nov 18 14:56:09.570 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Nov 18 14:56:09.571 INFO [stderr]   |                 ^^^^
Nov 18 14:56:09.571 INFO [stderr] 
Nov 18 14:56:09.571 INFO [stderr] warning: unused imports: `Debug`, `Formatter`, `self`
Nov 18 14:56:09.571 INFO [stderr]  --> src/merkle/nibble.rs:7:16
Nov 18 14:56:09.572 INFO [stderr]   |
Nov 18 14:56:09.572 INFO [stderr] 7 | use std::fmt::{self, Debug, Formatter};
Nov 18 14:56:09.572 INFO [stderr]   |                ^^^^  ^^^^^  ^^^^^^^^^
Nov 18 14:56:09.572 INFO [stderr] 
Nov 18 14:56:09.573 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Nov 18 14:56:09.573 INFO [stderr]  --> src/merkle/node.rs:1:27
Nov 18 14:56:09.573 INFO [stderr]   |
Nov 18 14:56:09.574 INFO [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType};
Nov 18 14:56:09.574 INFO [stderr]   |                           ^^^^^^             ^^^^^^^^^^^
Nov 18 14:56:09.574 INFO [stderr] 
Nov 18 14:56:09.574 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble`
Nov 18 14:56:09.575 INFO [stderr]  --> src/merkle/mod.rs:6:20
Nov 18 14:56:09.575 INFO [stderr]   |
Nov 18 14:56:09.575 INFO [stderr] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType};
Nov 18 14:56:09.575 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
Nov 18 14:56:09.576 INFO [stderr] 
Nov 18 14:56:09.576 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Nov 18 14:56:09.576 INFO [stderr]  --> src/ops/insert.rs:2:39
Nov 18 14:56:09.577 INFO [stderr]   |
Nov 18 14:56:09.577 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:09.577 INFO [stderr]   |                                       ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:09.577 INFO [stderr] 
Nov 18 14:56:09.578 INFO [stderr] warning: unused import: `self`
Nov 18 14:56:09.578 INFO [stderr]  --> src/ops/insert.rs:5:11
Nov 18 14:56:09.578 INFO [stderr]   |
Nov 18 14:56:09.578 INFO [stderr] 5 | use rlp::{self, Rlp};
Nov 18 14:56:09.579 INFO [stderr]   |           ^^^^
Nov 18 14:56:09.579 INFO [stderr] 
Nov 18 14:56:09.579 INFO [stderr] warning: unused imports: `NibbleSlice`, `self`
Nov 18 14:56:09.579 INFO [stderr]  --> src/ops/delete.rs:2:22
Nov 18 14:56:09.580 INFO [stderr]   |
Nov 18 14:56:09.580 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:09.580 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^
Nov 18 14:56:09.581 INFO [stderr] 
Nov 18 14:56:09.581 INFO [stderr] warning: unused import: `self`
Nov 18 14:56:09.581 INFO [stderr]  --> src/ops/delete.rs:5:11
Nov 18 14:56:09.582 INFO [stderr]   |
Nov 18 14:56:09.582 INFO [stderr] 5 | use rlp::{self, Rlp};
Nov 18 14:56:09.582 INFO [stderr]   |           ^^^^
Nov 18 14:56:09.582 INFO [stderr] 
Nov 18 14:56:09.583 INFO [stderr] warning: unused import: `NibbleSlice`
Nov 18 14:56:09.583 INFO [stderr]  --> src/ops/build.rs:2:39
Nov 18 14:56:09.583 INFO [stderr]   |
Nov 18 14:56:09.584 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:09.584 INFO [stderr]   |                                       ^^^^^^^^^^^
Nov 18 14:56:09.584 INFO [stderr] 
Nov 18 14:56:09.584 INFO [stderr] warning: unused imports: `Rlp`, `self`
Nov 18 14:56:09.585 INFO [stderr]  --> src/ops/build.rs:7:11
Nov 18 14:56:09.585 INFO [stderr]   |
Nov 18 14:56:09.585 INFO [stderr] 7 | use rlp::{self, Rlp};
Nov 18 14:56:09.586 INFO [stderr]   |           ^^^^  ^^^
Nov 18 14:56:09.586 INFO [stderr] 
Nov 18 14:56:09.586 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`, `self`
Nov 18 14:56:09.587 INFO [stderr]  --> src/ops/get.rs:2:22
Nov 18 14:56:09.587 INFO [stderr]   |
Nov 18 14:56:09.587 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:09.587 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:09.588 INFO [stderr] 
Nov 18 14:56:09.588 INFO [stderr] warning: unused import: `Change`
Nov 18 14:56:09.588 INFO [stderr]  --> src/ops/get.rs:3:6
Nov 18 14:56:09.589 INFO [stderr]   |
Nov 18 14:56:09.589 INFO [stderr] 3 | use {Change, DatabaseHandle};
Nov 18 14:56:09.589 INFO [stderr]   |      ^^^^^^
Nov 18 14:56:09.589 INFO [stderr] 
Nov 18 14:56:09.590 INFO [stderr] warning: unused import: `self`
Nov 18 14:56:09.590 INFO [stderr]  --> src/ops/get.rs:5:11
Nov 18 14:56:09.590 INFO [stderr]   |
Nov 18 14:56:09.591 INFO [stderr] 5 | use rlp::{self, Rlp};
Nov 18 14:56:09.591 INFO [stderr]   |           ^^^^
Nov 18 14:56:09.591 INFO [stderr] 
Nov 18 14:56:09.591 INFO [stderr] warning: unused import: `Rlp`
Nov 18 14:56:09.592 INFO [stderr]  --> src/mutable.rs:2:17
Nov 18 14:56:09.592 INFO [stderr]   |
Nov 18 14:56:09.592 INFO [stderr] 2 | use rlp::{self, Rlp};
Nov 18 14:56:09.592 INFO [stderr]   |                 ^^^
Nov 18 14:56:09.593 INFO [stderr] 
Nov 18 14:56:09.939 INFO [stderr] warning: unused import: `Hasher`
Nov 18 14:56:09.939 INFO [stderr]  --> src/merkle/nibble.rs:6:23
Nov 18 14:56:09.939 INFO [stderr]   |
Nov 18 14:56:09.939 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Nov 18 14:56:09.939 INFO [stderr]   |                       ^^^^^^
Nov 18 14:56:09.939 INFO [stderr] 
Nov 18 14:56:09.939 INFO [stderr] warning: unused import: `Decodable`
Nov 18 14:56:09.939 INFO [stderr]  --> src/merkle/node.rs:3:39
Nov 18 14:56:09.939 INFO [stderr]   |
Nov 18 14:56:09.939 INFO [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype};
Nov 18 14:56:09.939 INFO [stderr]   |                                       ^^^^^^^^^
Nov 18 14:56:09.939 INFO [stderr] 
Nov 18 14:56:09.939 INFO [stderr] warning: unused import: `DatabaseHandle`
Nov 18 14:56:09.939 INFO [stderr]  --> src/ops/build.rs:3:14
Nov 18 14:56:09.939 INFO [stderr]   |
Nov 18 14:56:09.939 INFO [stderr] 3 | use {Change, DatabaseHandle};
Nov 18 14:56:09.939 INFO [stderr]   |              ^^^^^^^^^^^^^^
Nov 18 14:56:09.939 INFO [stderr] 
Nov 18 14:56:11.655 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
Nov 18 14:56:11.660 INFO [stderr] su: No module specific data is present
Nov 18 14:56:13.243 INFO running `"docker" "inspect" "1e9223ad10b1beddde5d24c9257bba0f862bff242f66109aec13b69d825cfc91"`
Nov 18 14:56:13.616 INFO running `"docker" "rm" "-f" "1e9223ad10b1beddde5d24c9257bba0f862bff242f66109aec13b69d825cfc91"`
Nov 18 14:56:13.960 INFO [stdout] 1e9223ad10b1beddde5d24c9257bba0f862bff242f66109aec13b69d825cfc91
Nov 18 14:56:13.967 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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"`
Nov 18 14:56:14.536 INFO [stdout] c092ba1ea3ec9c9b12b46de01d86e1ac8c9f7b2552f884e61364125b9cf8466f
Nov 18 14:56:14.551 INFO running `"docker" "start" "-a" "c092ba1ea3ec9c9b12b46de01d86e1ac8c9f7b2552f884e61364125b9cf8466f"`
Nov 18 14:56:15.698 INFO [stderr] usermod: no changes
Nov 18 14:56:15.760 INFO [stderr]    Compiling etcommon-trie v0.4.0 (/source)
Nov 18 14:56:17.268 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Nov 18 14:56:17.268 INFO [stderr]   --> src/lib.rs:13:28
Nov 18 14:56:17.268 INFO [stderr]    |
Nov 18 14:56:17.268 INFO [stderr] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:17.268 INFO [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:17.268 INFO [stderr]    |
Nov 18 14:56:17.268 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 14:56:17.268 INFO [stderr] 
Nov 18 14:56:17.269 INFO [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype`
Nov 18 14:56:17.269 INFO [stderr]  --> src/merkle/nibble.rs:3:22
Nov 18 14:56:17.269 INFO [stderr]   |
Nov 18 14:56:17.269 INFO [stderr] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype};
Nov 18 14:56:17.269 INFO [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^       ^^^^^^^^^
Nov 18 14:56:17.269 INFO [stderr] 
Nov 18 14:56:17.269 INFO [stderr] warning: unused import: `std::ops::Deref`
Nov 18 14:56:17.269 INFO [stderr]  --> src/merkle/nibble.rs:4:5
Nov 18 14:56:17.269 INFO [stderr]   |
Nov 18 14:56:17.269 INFO [stderr] 4 | use std::ops::Deref;
Nov 18 14:56:17.269 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 18 14:56:17.269 INFO [stderr] 
Nov 18 14:56:17.269 INFO [stderr] warning: unused import: `Hash`
Nov 18 14:56:17.269 INFO [stderr]  --> src/merkle/nibble.rs:6:17
Nov 18 14:56:17.269 INFO [stderr]   |
Nov 18 14:56:17.269 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Nov 18 14:56:17.269 INFO [stderr]   |                 ^^^^
Nov 18 14:56:17.269 INFO [stderr] 
Nov 18 14:56:17.269 INFO [stderr] warning: unused imports: `Debug`, `Formatter`, `self`
Nov 18 14:56:17.269 INFO [stderr]  --> src/merkle/nibble.rs:7:16
Nov 18 14:56:17.269 INFO [stderr]   |
Nov 18 14:56:17.269 INFO [stderr] 7 | use std::fmt::{self, Debug, Formatter};
Nov 18 14:56:17.269 INFO [stderr]   |                ^^^^  ^^^^^  ^^^^^^^^^
Nov 18 14:56:17.269 INFO [stderr] 
Nov 18 14:56:17.269 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Nov 18 14:56:17.269 INFO [stderr]  --> src/merkle/node.rs:1:27
Nov 18 14:56:17.269 INFO [stderr]   |
Nov 18 14:56:17.269 INFO [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType};
Nov 18 14:56:17.270 INFO [stderr]   |                           ^^^^^^             ^^^^^^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused import: `Keccak256`
Nov 18 14:56:17.270 INFO [stderr]    --> src/merkle/node.rs:162:24
Nov 18 14:56:17.270 INFO [stderr]     |
Nov 18 14:56:17.270 INFO [stderr] 162 |     use sha3::{Digest, Keccak256};
Nov 18 14:56:17.270 INFO [stderr]     |                        ^^^^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Nov 18 14:56:17.270 INFO [stderr]    --> src/merkle/node.rs:163:32
Nov 18 14:56:17.270 INFO [stderr]     |
Nov 18 14:56:17.270 INFO [stderr] 163 |     use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:17.270 INFO [stderr]     |                                ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble`
Nov 18 14:56:17.270 INFO [stderr]  --> src/merkle/mod.rs:6:20
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType};
Nov 18 14:56:17.270 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/insert.rs:2:39
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:17.270 INFO [stderr]   |                                       ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused import: `self`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/insert.rs:5:11
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 5 | use rlp::{self, Rlp};
Nov 18 14:56:17.270 INFO [stderr]   |           ^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused imports: `NibbleSlice`, `self`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/delete.rs:2:22
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:17.270 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused import: `self`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/delete.rs:5:11
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 5 | use rlp::{self, Rlp};
Nov 18 14:56:17.270 INFO [stderr]   |           ^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused import: `NibbleSlice`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/build.rs:2:39
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:17.270 INFO [stderr]   |                                       ^^^^^^^^^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused imports: `Rlp`, `self`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/build.rs:7:11
Nov 18 14:56:17.270 INFO [stderr]   |
Nov 18 14:56:17.270 INFO [stderr] 7 | use rlp::{self, Rlp};
Nov 18 14:56:17.270 INFO [stderr]   |           ^^^^  ^^^
Nov 18 14:56:17.270 INFO [stderr] 
Nov 18 14:56:17.270 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`, `self`
Nov 18 14:56:17.270 INFO [stderr]  --> src/ops/get.rs:2:22
Nov 18 14:56:17.284 INFO [stderr]   |
Nov 18 14:56:17.285 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Nov 18 14:56:17.285 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^  ^^^^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.285 INFO [stderr] warning: unused import: `Change`
Nov 18 14:56:17.285 INFO [stderr]  --> src/ops/get.rs:3:6
Nov 18 14:56:17.285 INFO [stderr]   |
Nov 18 14:56:17.285 INFO [stderr] 3 | use {Change, DatabaseHandle};
Nov 18 14:56:17.285 INFO [stderr]   |      ^^^^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.285 INFO [stderr] warning: unused import: `self`
Nov 18 14:56:17.285 INFO [stderr]  --> src/ops/get.rs:5:11
Nov 18 14:56:17.285 INFO [stderr]   |
Nov 18 14:56:17.285 INFO [stderr] 5 | use rlp::{self, Rlp};
Nov 18 14:56:17.285 INFO [stderr]   |           ^^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.285 INFO [stderr] warning: unused import: `merkle::MerkleNode`
Nov 18 14:56:17.285 INFO [stderr]    --> src/memory.rs:102:9
Nov 18 14:56:17.285 INFO [stderr]     |
Nov 18 14:56:17.285 INFO [stderr] 102 |     use merkle::MerkleNode;
Nov 18 14:56:17.285 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.285 INFO [stderr] warning: unused import: `rlp::Rlp`
Nov 18 14:56:17.285 INFO [stderr]    --> src/memory.rs:103:9
Nov 18 14:56:17.285 INFO [stderr]     |
Nov 18 14:56:17.285 INFO [stderr] 103 |     use rlp::Rlp;
Nov 18 14:56:17.285 INFO [stderr]     |         ^^^^^^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.285 INFO [stderr] warning: unused import: `std::cell::UnsafeCell`
Nov 18 14:56:17.285 INFO [stderr]    --> src/memory.rs:107:9
Nov 18 14:56:17.285 INFO [stderr]     |
Nov 18 14:56:17.285 INFO [stderr] 107 |     use std::cell::UnsafeCell;
Nov 18 14:56:17.285 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.285 INFO [stderr] warning: unused import: `Rlp`
Nov 18 14:56:17.285 INFO [stderr]  --> src/mutable.rs:2:17
Nov 18 14:56:17.285 INFO [stderr]   |
Nov 18 14:56:17.285 INFO [stderr] 2 | use rlp::{self, Rlp};
Nov 18 14:56:17.285 INFO [stderr]   |                 ^^^
Nov 18 14:56:17.285 INFO [stderr] 
Nov 18 14:56:17.602 INFO [stderr] warning: unused import: `Hasher`
Nov 18 14:56:17.603 INFO [stderr]  --> src/merkle/nibble.rs:6:23
Nov 18 14:56:17.603 INFO [stderr]   |
Nov 18 14:56:17.603 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Nov 18 14:56:17.603 INFO [stderr]   |                       ^^^^^^
Nov 18 14:56:17.603 INFO [stderr] 
Nov 18 14:56:17.603 INFO [stderr] warning: unused import: `Decodable`
Nov 18 14:56:17.603 INFO [stderr]  --> src/merkle/node.rs:3:39
Nov 18 14:56:17.603 INFO [stderr]   |
Nov 18 14:56:17.603 INFO [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype};
Nov 18 14:56:17.603 INFO [stderr]   |                                       ^^^^^^^^^
Nov 18 14:56:17.603 INFO [stderr] 
Nov 18 14:56:17.603 INFO [stderr] warning: unused import: `Digest`
Nov 18 14:56:17.603 INFO [stderr]    --> src/merkle/node.rs:162:16
Nov 18 14:56:17.603 INFO [stderr]     |
Nov 18 14:56:17.603 INFO [stderr] 162 |     use sha3::{Digest, Keccak256};
Nov 18 14:56:17.603 INFO [stderr]     |                ^^^^^^
Nov 18 14:56:17.603 INFO [stderr] 
Nov 18 14:56:17.603 INFO [stderr] warning: unused import: `DatabaseHandle`
Nov 18 14:56:17.603 INFO [stderr]  --> src/ops/build.rs:3:14
Nov 18 14:56:17.603 INFO [stderr]   |
Nov 18 14:56:17.603 INFO [stderr] 3 | use {Change, DatabaseHandle};
Nov 18 14:56:17.607 INFO [stderr]   |              ^^^^^^^^^^^^^^
Nov 18 14:56:17.607 INFO [stderr] 
Nov 18 14:56:17.644 INFO [stderr] warning: unused variable: `value`
Nov 18 14:56:17.644 INFO [stderr]    --> src/memory.rs:138:19
Nov 18 14:56:17.644 INFO [stderr]     |
Nov 18 14:56:17.644 INFO [stderr] 138 |         for (key, value) in &map {
Nov 18 14:56:17.644 INFO [stderr]     |                   ^^^^^ help: consider using `_value` instead
Nov 18 14:56:17.644 INFO [stderr]     |
Nov 18 14:56:17.644 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 14:56:17.646 INFO [stderr] 
Nov 18 14:56:17.749 INFO [stderr] warning: variable does not need to be mutable
Nov 18 14:56:17.749 INFO [stderr]    --> src/memory.rs:120:13
Nov 18 14:56:17.750 INFO [stderr]     |
Nov 18 14:56:17.750 INFO [stderr] 120 |         let mut btrie = MemoryTrieMut::build(&map);
Nov 18 14:56:17.750 INFO [stderr]     |             ----^^^^^
Nov 18 14:56:17.750 INFO [stderr]     |             |
Nov 18 14:56:17.750 INFO [stderr]     |             help: remove this `mut`
Nov 18 14:56:17.750 INFO [stderr]     |
Nov 18 14:56:17.750 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 14:56:17.750 INFO [stderr] 
Nov 18 14:56:20.036 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Nov 18 14:56:20.041 INFO [stderr] su: No module specific data is present
Nov 18 14:56:21.093 INFO running `"docker" "inspect" "c092ba1ea3ec9c9b12b46de01d86e1ac8c9f7b2552f884e61364125b9cf8466f"`
Nov 18 14:56:21.347 INFO running `"docker" "rm" "-f" "c092ba1ea3ec9c9b12b46de01d86e1ac8c9f7b2552f884e61364125b9cf8466f"`
Nov 18 14:56:21.499 INFO [stdout] c092ba1ea3ec9c9b12b46de01d86e1ac8c9f7b2552f884e61364125b9cf8466f
Nov 18 14:56:21.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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"`
Nov 18 14:56:21.765 INFO [stdout] 93cd11b01b6295192fba7d60d646f7cbf83ab861c4fbc14acb607d341c55be9e
Nov 18 14:56:21.767 INFO running `"docker" "start" "-a" "93cd11b01b6295192fba7d60d646f7cbf83ab861c4fbc14acb607d341c55be9e"`
Nov 18 14:56:23.148 INFO [stderr] usermod: no changes
Nov 18 14:56:23.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Nov 18 14:56:23.255 INFO [stderr]      Running /target/debug/deps/trie-41410cdfe4d933e3
Nov 18 14:56:23.256 INFO [stdout] 
Nov 18 14:56:23.256 INFO [stdout] running 5 tests
Nov 18 14:56:23.256 INFO [stdout] test merkle::nibble::tests::from_into_key ... ok
Nov 18 14:56:23.256 INFO [stdout] test merkle::node::tests::decode_genesis_state ... ok
Nov 18 14:56:23.275 INFO [stdout] test memory::tests::trie_two_keys ... ok
Nov 18 14:56:23.275 INFO [stdout] test merkle::node::tests::encode_decode ... ok
Nov 18 14:56:23.295 INFO [stdout] test memory::tests::trie_middle_leaf ... ok
Nov 18 14:56:23.295 INFO [stdout] 
Nov 18 14:56:23.295 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:56:23.295 INFO [stdout] 
Nov 18 14:56:23.296 INFO [stderr]    Doc-tests trie
Nov 18 14:56:25.995 INFO [stdout] 
Nov 18 14:56:25.996 INFO [stdout] running 0 tests
Nov 18 14:56:25.996 INFO [stdout] 
Nov 18 14:56:25.996 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:56:25.996 INFO [stdout] 
Nov 18 14:56:26.007 INFO [stderr] su: No module specific data is present
Nov 18 14:56:27.134 INFO running `"docker" "inspect" "93cd11b01b6295192fba7d60d646f7cbf83ab861c4fbc14acb607d341c55be9e"`
Nov 18 14:56:27.529 INFO running `"docker" "rm" "-f" "93cd11b01b6295192fba7d60d646f7cbf83ab861c4fbc14acb607d341c55be9e"`
Nov 18 14:56:27.903 INFO [stdout] 93cd11b01b6295192fba7d60d646f7cbf83ab861c4fbc14acb607d341c55be9e