Dec 15 15:36:55.860 INFO testing etcommon-trie-0.4.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 15:36:55.860 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 15 15:36:56.243 INFO [stdout] 6a6dd17bed3a019cb5950e3fce074fee6b8ef4855cdbcc0fb7cf38e8a8cf5cd5
Dec 15 15:36:56.251 INFO running `"docker" "start" "-a" "6a6dd17bed3a019cb5950e3fce074fee6b8ef4855cdbcc0fb7cf38e8a8cf5cd5"`
Dec 15 15:36:57.459 INFO [stderr] usermod: no changes
Dec 15 15:36:57.592 INFO [stderr]    Compiling etcommon-hexutil v0.2.4
Dec 15 15:36:57.592 INFO [stderr]    Compiling elastic-array-plus v0.10.0
Dec 15 15:36:57.615 INFO [stderr]    Compiling sha3 v0.6.0
Dec 15 15:36:59.695 INFO [stderr]    Compiling etcommon-rlp v0.2.4
Dec 15 15:37:02.589 INFO [stderr]    Compiling etcommon-bigint v0.2.10
Dec 15 15:37:07.033 INFO [stderr]    Compiling etcommon-trie v0.4.0 (/source)
Dec 15 15:37:08.659 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Dec 15 15:37:08.659 INFO [stderr]   --> src/lib.rs:13:28
Dec 15 15:37:08.659 INFO [stderr]    |
Dec 15 15:37:08.659 INFO [stderr] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:08.659 INFO [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:08.659 INFO [stderr]    |
Dec 15 15:37:08.659 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 15 15:37:08.659 INFO [stderr] 
Dec 15 15:37:08.659 INFO [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype`
Dec 15 15:37:08.659 INFO [stderr]  --> src/merkle/nibble.rs:3:22
Dec 15 15:37:08.659 INFO [stderr]   |
Dec 15 15:37:08.659 INFO [stderr] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 15 15:37:08.659 INFO [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^       ^^^^^^^^^
Dec 15 15:37:08.659 INFO [stderr] 
Dec 15 15:37:08.659 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 15 15:37:08.659 INFO [stderr]  --> src/merkle/nibble.rs:4:5
Dec 15 15:37:08.659 INFO [stderr]   |
Dec 15 15:37:08.659 INFO [stderr] 4 | use std::ops::Deref;
Dec 15 15:37:08.659 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 15 15:37:08.659 INFO [stderr] 
Dec 15 15:37:08.659 INFO [stderr] warning: unused import: `Hash`
Dec 15 15:37:08.659 INFO [stderr]  --> src/merkle/nibble.rs:6:17
Dec 15 15:37:08.659 INFO [stderr]   |
Dec 15 15:37:08.659 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 15 15:37:08.659 INFO [stderr]   |                 ^^^^
Dec 15 15:37:08.659 INFO [stderr] 
Dec 15 15:37:08.659 INFO [stderr] warning: unused imports: `Debug`, `Formatter`, `self`
Dec 15 15:37:08.659 INFO [stderr]  --> src/merkle/nibble.rs:7:16
Dec 15 15:37:08.659 INFO [stderr]   |
Dec 15 15:37:08.659 INFO [stderr] 7 | use std::fmt::{self, Debug, Formatter};
Dec 15 15:37:08.659 INFO [stderr]   |                ^^^^  ^^^^^  ^^^^^^^^^
Dec 15 15:37:08.659 INFO [stderr] 
Dec 15 15:37:08.659 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 15 15:37:08.659 INFO [stderr]  --> src/merkle/node.rs:1:27
Dec 15 15:37:08.659 INFO [stderr]   |
Dec 15 15:37:08.659 INFO [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 15 15:37:08.659 INFO [stderr]   |                           ^^^^^^             ^^^^^^^^^^^
Dec 15 15:37:08.659 INFO [stderr] 
Dec 15 15:37:08.659 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble`
Dec 15 15:37:08.660 INFO [stderr]  --> src/merkle/mod.rs:6:20
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 15 15:37:08.660 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/insert.rs:2:39
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:08.660 INFO [stderr]   |                                       ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused import: `self`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/insert.rs:5:11
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 15 15:37:08.660 INFO [stderr]   |           ^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused imports: `NibbleSlice`, `self`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/delete.rs:2:22
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:08.660 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused import: `self`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/delete.rs:5:11
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 15 15:37:08.660 INFO [stderr]   |           ^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused import: `NibbleSlice`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/build.rs:2:39
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:08.660 INFO [stderr]   |                                       ^^^^^^^^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused imports: `Rlp`, `self`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/build.rs:7:11
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 7 | use rlp::{self, Rlp};
Dec 15 15:37:08.660 INFO [stderr]   |           ^^^^  ^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`, `self`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/get.rs:2:22
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:08.660 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused import: `Change`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/get.rs:3:6
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 15 15:37:08.660 INFO [stderr]   |      ^^^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused import: `self`
Dec 15 15:37:08.660 INFO [stderr]  --> src/ops/get.rs:5:11
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 15 15:37:08.660 INFO [stderr]   |           ^^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.660 INFO [stderr] warning: unused import: `Rlp`
Dec 15 15:37:08.660 INFO [stderr]  --> src/mutable.rs:2:17
Dec 15 15:37:08.660 INFO [stderr]   |
Dec 15 15:37:08.660 INFO [stderr] 2 | use rlp::{self, Rlp};
Dec 15 15:37:08.660 INFO [stderr]   |                 ^^^
Dec 15 15:37:08.660 INFO [stderr] 
Dec 15 15:37:08.907 INFO [stderr] warning: unused import: `Hasher`
Dec 15 15:37:08.907 INFO [stderr]  --> src/merkle/nibble.rs:6:23
Dec 15 15:37:08.907 INFO [stderr]   |
Dec 15 15:37:08.907 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 15 15:37:08.907 INFO [stderr]   |                       ^^^^^^
Dec 15 15:37:08.907 INFO [stderr] 
Dec 15 15:37:08.907 INFO [stderr] warning: unused import: `Decodable`
Dec 15 15:37:08.907 INFO [stderr]  --> src/merkle/node.rs:3:39
Dec 15 15:37:08.907 INFO [stderr]   |
Dec 15 15:37:08.907 INFO [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 15 15:37:08.907 INFO [stderr]   |                                       ^^^^^^^^^
Dec 15 15:37:08.907 INFO [stderr] 
Dec 15 15:37:08.907 INFO [stderr] warning: unused import: `DatabaseHandle`
Dec 15 15:37:08.907 INFO [stderr]  --> src/ops/build.rs:3:14
Dec 15 15:37:08.907 INFO [stderr]   |
Dec 15 15:37:08.907 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 15 15:37:08.907 INFO [stderr]   |              ^^^^^^^^^^^^^^
Dec 15 15:37:08.907 INFO [stderr] 
Dec 15 15:37:10.551 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
Dec 15 15:37:10.554 INFO [stderr] su: No module specific data is present
Dec 15 15:37:11.135 INFO running `"docker" "inspect" "6a6dd17bed3a019cb5950e3fce074fee6b8ef4855cdbcc0fb7cf38e8a8cf5cd5"`
Dec 15 15:37:11.386 INFO running `"docker" "rm" "-f" "6a6dd17bed3a019cb5950e3fce074fee6b8ef4855cdbcc0fb7cf38e8a8cf5cd5"`
Dec 15 15:37:11.559 INFO [stdout] 6a6dd17bed3a019cb5950e3fce074fee6b8ef4855cdbcc0fb7cf38e8a8cf5cd5
Dec 15 15:37:11.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 15 15:37:11.975 INFO [stdout] e416fbbe729161d32d4e33767b637b0d45e17e2ca1c0d5270159b18a1d15b10c
Dec 15 15:37:11.977 INFO running `"docker" "start" "-a" "e416fbbe729161d32d4e33767b637b0d45e17e2ca1c0d5270159b18a1d15b10c"`
Dec 15 15:37:13.691 INFO [stderr] usermod: no changes
Dec 15 15:37:13.803 INFO [stderr]    Compiling etcommon-trie v0.4.0 (/source)
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Dec 15 15:37:15.591 INFO [stderr]   --> src/lib.rs:13:28
Dec 15 15:37:15.591 INFO [stderr]    |
Dec 15 15:37:15.591 INFO [stderr] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:15.591 INFO [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:15.591 INFO [stderr]    |
Dec 15 15:37:15.591 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype`
Dec 15 15:37:15.591 INFO [stderr]  --> src/merkle/nibble.rs:3:22
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 15 15:37:15.591 INFO [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^       ^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 15 15:37:15.591 INFO [stderr]  --> src/merkle/nibble.rs:4:5
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 4 | use std::ops::Deref;
Dec 15 15:37:15.591 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused import: `Hash`
Dec 15 15:37:15.591 INFO [stderr]  --> src/merkle/nibble.rs:6:17
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 15 15:37:15.591 INFO [stderr]   |                 ^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `Debug`, `Formatter`, `self`
Dec 15 15:37:15.591 INFO [stderr]  --> src/merkle/nibble.rs:7:16
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 7 | use std::fmt::{self, Debug, Formatter};
Dec 15 15:37:15.591 INFO [stderr]   |                ^^^^  ^^^^^  ^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 15 15:37:15.591 INFO [stderr]  --> src/merkle/node.rs:1:27
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 15 15:37:15.591 INFO [stderr]   |                           ^^^^^^             ^^^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused import: `Keccak256`
Dec 15 15:37:15.591 INFO [stderr]    --> src/merkle/node.rs:162:24
Dec 15 15:37:15.591 INFO [stderr]     |
Dec 15 15:37:15.591 INFO [stderr] 162 |     use sha3::{Digest, Keccak256};
Dec 15 15:37:15.591 INFO [stderr]     |                        ^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble`
Dec 15 15:37:15.591 INFO [stderr]    --> src/merkle/node.rs:163:32
Dec 15 15:37:15.591 INFO [stderr]     |
Dec 15 15:37:15.591 INFO [stderr] 163 |     use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:15.591 INFO [stderr]     |                                ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble`
Dec 15 15:37:15.591 INFO [stderr]  --> src/merkle/mod.rs:6:20
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType};
Dec 15 15:37:15.591 INFO [stderr]   |                    ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`
Dec 15 15:37:15.591 INFO [stderr]  --> src/ops/insert.rs:2:39
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:15.591 INFO [stderr]   |                                       ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused import: `self`
Dec 15 15:37:15.591 INFO [stderr]  --> src/ops/insert.rs:5:11
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 15 15:37:15.591 INFO [stderr]   |           ^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused imports: `NibbleSlice`, `self`
Dec 15 15:37:15.591 INFO [stderr]  --> src/ops/delete.rs:2:22
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:15.591 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused import: `self`
Dec 15 15:37:15.591 INFO [stderr]  --> src/ops/delete.rs:5:11
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 15 15:37:15.591 INFO [stderr]   |           ^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.591 INFO [stderr] warning: unused import: `NibbleSlice`
Dec 15 15:37:15.591 INFO [stderr]  --> src/ops/build.rs:2:39
Dec 15 15:37:15.591 INFO [stderr]   |
Dec 15 15:37:15.591 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:15.591 INFO [stderr]   |                                       ^^^^^^^^^^^
Dec 15 15:37:15.591 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused imports: `Rlp`, `self`
Dec 15 15:37:15.592 INFO [stderr]  --> src/ops/build.rs:7:11
Dec 15 15:37:15.592 INFO [stderr]   |
Dec 15 15:37:15.592 INFO [stderr] 7 | use rlp::{self, Rlp};
Dec 15 15:37:15.592 INFO [stderr]   |           ^^^^  ^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused imports: `NibbleSlice`, `Nibble`, `self`
Dec 15 15:37:15.592 INFO [stderr]  --> src/ops/get.rs:2:22
Dec 15 15:37:15.592 INFO [stderr]   |
Dec 15 15:37:15.592 INFO [stderr] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble};
Dec 15 15:37:15.592 INFO [stderr]   |                      ^^^^             ^^^^^^^^^^^  ^^^^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused import: `Change`
Dec 15 15:37:15.592 INFO [stderr]  --> src/ops/get.rs:3:6
Dec 15 15:37:15.592 INFO [stderr]   |
Dec 15 15:37:15.592 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 15 15:37:15.592 INFO [stderr]   |      ^^^^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused import: `self`
Dec 15 15:37:15.592 INFO [stderr]  --> src/ops/get.rs:5:11
Dec 15 15:37:15.592 INFO [stderr]   |
Dec 15 15:37:15.592 INFO [stderr] 5 | use rlp::{self, Rlp};
Dec 15 15:37:15.592 INFO [stderr]   |           ^^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused import: `merkle::MerkleNode`
Dec 15 15:37:15.592 INFO [stderr]    --> src/memory.rs:102:9
Dec 15 15:37:15.592 INFO [stderr]     |
Dec 15 15:37:15.592 INFO [stderr] 102 |     use merkle::MerkleNode;
Dec 15 15:37:15.592 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused import: `rlp::Rlp`
Dec 15 15:37:15.592 INFO [stderr]    --> src/memory.rs:103:9
Dec 15 15:37:15.592 INFO [stderr]     |
Dec 15 15:37:15.592 INFO [stderr] 103 |     use rlp::Rlp;
Dec 15 15:37:15.592 INFO [stderr]     |         ^^^^^^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused import: `std::cell::UnsafeCell`
Dec 15 15:37:15.592 INFO [stderr]    --> src/memory.rs:107:9
Dec 15 15:37:15.592 INFO [stderr]     |
Dec 15 15:37:15.592 INFO [stderr] 107 |     use std::cell::UnsafeCell;
Dec 15 15:37:15.592 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.592 INFO [stderr] warning: unused import: `Rlp`
Dec 15 15:37:15.592 INFO [stderr]  --> src/mutable.rs:2:17
Dec 15 15:37:15.592 INFO [stderr]   |
Dec 15 15:37:15.592 INFO [stderr] 2 | use rlp::{self, Rlp};
Dec 15 15:37:15.592 INFO [stderr]   |                 ^^^
Dec 15 15:37:15.592 INFO [stderr] 
Dec 15 15:37:15.871 INFO [stderr] warning: unused import: `Hasher`
Dec 15 15:37:15.871 INFO [stderr]  --> src/merkle/nibble.rs:6:23
Dec 15 15:37:15.871 INFO [stderr]   |
Dec 15 15:37:15.871 INFO [stderr] 6 | use std::hash::{Hash, Hasher};
Dec 15 15:37:15.871 INFO [stderr]   |                       ^^^^^^
Dec 15 15:37:15.871 INFO [stderr] 
Dec 15 15:37:15.871 INFO [stderr] warning: unused import: `Decodable`
Dec 15 15:37:15.871 INFO [stderr]  --> src/merkle/node.rs:3:39
Dec 15 15:37:15.871 INFO [stderr]   |
Dec 15 15:37:15.871 INFO [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype};
Dec 15 15:37:15.871 INFO [stderr]   |                                       ^^^^^^^^^
Dec 15 15:37:15.871 INFO [stderr] 
Dec 15 15:37:15.871 INFO [stderr] warning: unused import: `Digest`
Dec 15 15:37:15.871 INFO [stderr]    --> src/merkle/node.rs:162:16
Dec 15 15:37:15.871 INFO [stderr]     |
Dec 15 15:37:15.871 INFO [stderr] 162 |     use sha3::{Digest, Keccak256};
Dec 15 15:37:15.871 INFO [stderr]     |                ^^^^^^
Dec 15 15:37:15.871 INFO [stderr] 
Dec 15 15:37:15.871 INFO [stderr] warning: unused import: `DatabaseHandle`
Dec 15 15:37:15.871 INFO [stderr]  --> src/ops/build.rs:3:14
Dec 15 15:37:15.871 INFO [stderr]   |
Dec 15 15:37:15.871 INFO [stderr] 3 | use {Change, DatabaseHandle};
Dec 15 15:37:15.871 INFO [stderr]   |              ^^^^^^^^^^^^^^
Dec 15 15:37:15.871 INFO [stderr] 
Dec 15 15:37:15.895 INFO [stderr] warning: unused variable: `value`
Dec 15 15:37:15.895 INFO [stderr]    --> src/memory.rs:138:19
Dec 15 15:37:15.895 INFO [stderr]     |
Dec 15 15:37:15.895 INFO [stderr] 138 |         for (key, value) in &map {
Dec 15 15:37:15.895 INFO [stderr]     |                   ^^^^^ help: consider using `_value` instead
Dec 15 15:37:15.895 INFO [stderr]     |
Dec 15 15:37:15.895 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 15:37:15.895 INFO [stderr] 
Dec 15 15:37:16.014 INFO [stderr] warning: variable does not need to be mutable
Dec 15 15:37:16.014 INFO [stderr]    --> src/memory.rs:120:13
Dec 15 15:37:16.014 INFO [stderr]     |
Dec 15 15:37:16.014 INFO [stderr] 120 |         let mut btrie = MemoryTrieMut::build(&map);
Dec 15 15:37:16.014 INFO [stderr]     |             ----^^^^^
Dec 15 15:37:16.014 INFO [stderr]     |             |
Dec 15 15:37:16.014 INFO [stderr]     |             help: remove this `mut`
Dec 15 15:37:16.014 INFO [stderr]     |
Dec 15 15:37:16.014 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 15:37:16.014 INFO [stderr] 
Dec 15 15:37:17.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
Dec 15 15:37:17.794 INFO [stderr] su: No module specific data is present
Dec 15 15:37:18.327 INFO running `"docker" "inspect" "e416fbbe729161d32d4e33767b637b0d45e17e2ca1c0d5270159b18a1d15b10c"`
Dec 15 15:37:18.559 INFO running `"docker" "rm" "-f" "e416fbbe729161d32d4e33767b637b0d45e17e2ca1c0d5270159b18a1d15b10c"`
Dec 15 15:37:18.842 INFO [stdout] e416fbbe729161d32d4e33767b637b0d45e17e2ca1c0d5270159b18a1d15b10c
Dec 15 15:37:18.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 15 15:37:19.310 INFO [stdout] d5a5464be0ce70c335a6ccb97fa3da41edf1ac6124373e69b66fb34bf0f2b204
Dec 15 15:37:19.315 INFO running `"docker" "start" "-a" "d5a5464be0ce70c335a6ccb97fa3da41edf1ac6124373e69b66fb34bf0f2b204"`
Dec 15 15:37:20.683 INFO [stderr] usermod: no changes
Dec 15 15:37:20.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 15 15:37:20.819 INFO [stderr]      Running /target/debug/deps/trie-4295bb47ac9ae944
Dec 15 15:37:20.820 INFO [stdout] 
Dec 15 15:37:20.820 INFO [stdout] running 5 tests
Dec 15 15:37:20.831 INFO [stdout] test memory::tests::trie_two_keys ... ok
Dec 15 15:37:20.831 INFO [stdout] test merkle::nibble::tests::from_into_key ... ok
Dec 15 15:37:20.831 INFO [stdout] test merkle::node::tests::decode_genesis_state ... ok
Dec 15 15:37:20.831 INFO [stdout] test merkle::node::tests::encode_decode ... ok
Dec 15 15:37:20.871 INFO [stdout] test memory::tests::trie_middle_leaf ... ok
Dec 15 15:37:20.871 INFO [stdout] 
Dec 15 15:37:20.871 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:37:20.871 INFO [stdout] 
Dec 15 15:37:20.871 INFO [stderr]    Doc-tests trie
Dec 15 15:37:23.879 INFO [stdout] 
Dec 15 15:37:23.879 INFO [stdout] running 0 tests
Dec 15 15:37:23.879 INFO [stdout] 
Dec 15 15:37:23.879 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:37:23.879 INFO [stdout] 
Dec 15 15:37:23.883 INFO [stderr] su: No module specific data is present
Dec 15 15:37:25.018 INFO running `"docker" "inspect" "d5a5464be0ce70c335a6ccb97fa3da41edf1ac6124373e69b66fb34bf0f2b204"`
Dec 15 15:37:25.272 INFO running `"docker" "rm" "-f" "d5a5464be0ce70c335a6ccb97fa3da41edf1ac6124373e69b66fb34bf0f2b204"`
Dec 15 15:37:25.510 INFO [stdout] d5a5464be0ce70c335a6ccb97fa3da41edf1ac6124373e69b66fb34bf0f2b204