[INFO] cloning repository https://github.com/ABMatrix/merkle-patricia-trie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ABMatrix/merkle-patricia-trie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABMatrix%2Fmerkle-patricia-trie", kill_on_drop: false }`
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[INFO] [stdout] 2d06c34bc689b785c3293d57c0919624743be648
[INFO] checking ABMatrix/merkle-patricia-trie against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABMatrix%2Fmerkle-patricia-trie" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ABMatrix/merkle-patricia-trie
[INFO] finished tweaking git repo https://github.com/ABMatrix/merkle-patricia-trie
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[INFO] crate git repo https://github.com/ABMatrix/merkle-patricia-trie already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `crate::std::*`
[INFO] [stdout]  --> src/nibbles.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::std::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::*`
[INFO] [stdout]  --> src/proof.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::std::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         trie.insert(key.as_ref().to_vec(), value.as_ref().to_vec());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = trie.insert(key.as_ref().to_vec(), value.as_ref().to_vec());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/trie.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter(&self) -> TrieIterator{
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter(&self) -> TrieIterator<'_>{
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: unused import: `crate::std::*`
[INFO] [stdout]  --> src/nibbles.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::std::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow::Borrow`
[INFO] [stdout]    --> src/trie.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |     use core::borrow::Borrow;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rlp`
[INFO] [stdout]   --> src/tests.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use rlp::{self, Rlp};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::*`
[INFO] [stdout]  --> src/proof.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::std::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/trie.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `bool`
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 trie.insert(keys[i].clone(), values[i].clone()).unwrap();
[INFO] [stdout]    |                                                                         +
[INFO] [stdout] help: you might have meant to return this value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 return trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |                 ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/trie.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `bool`
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 trie.insert(keys[i].clone(), values[i].clone()).unwrap();
[INFO] [stdout]    |                                                                         +
[INFO] [stdout] help: you might have meant to return this value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 return trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |                 ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/trie.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/trie.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/trie.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             trie.insert(keys[i].clone(), values[i].clone()).unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle_patricia_trie` (bench "trie") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/trie.rs:1036:13
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let mut root1;
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         trie.insert(key.as_ref().to_vec(), value.as_ref().to_vec());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = trie.insert(key.as_ref().to_vec(), value.as_ref().to_vec());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/trie.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter(&self) -> TrieIterator{
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter(&self) -> TrieIterator<'_>{
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68d48228343203203c2871650173ea059c67973de78eeb12f879305315f49286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d48228343203203c2871650173ea059c67973de78eeb12f879305315f49286", kill_on_drop: false }`
[INFO] [stdout] 68d48228343203203c2871650173ea059c67973de78eeb12f879305315f49286
