[INFO] fetching crate etcommon-trie 0.4.0... [INFO] checking etcommon-trie-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate etcommon-trie 0.4.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate etcommon-trie 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate etcommon-trie 0.4.0 [INFO] finished tweaking crates.io crate etcommon-trie 0.4.0 [INFO] tweaked toml for crates.io crate etcommon-trie 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages [INFO] [stderr] Adding block-buffer v0.2.0 (latest: v0.10.4) [INFO] [stderr] Adding byte-tools v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding digest v0.6.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.8.4 (latest: v1.0.0) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding sha3 v0.6.0 (latest: v0.10.8) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded block-buffer v0.2.0 [INFO] [stderr] Downloaded etcommon-rlp v0.2.5 [INFO] [stderr] Downloaded generic-array v0.8.4 [INFO] [stderr] Downloaded elastic-array-plus v0.10.0 [INFO] [stderr] Downloaded etcommon-hexutil v0.2.4 [INFO] [stderr] Downloaded byte-tools v0.2.0 [INFO] [stderr] Downloaded etcommon-bigint v0.2.10 [INFO] [stderr] Downloaded sha3 v0.6.0 [INFO] [stderr] Downloaded digest v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 303371e6adbb68f2e6740d4509d5ffec57e141a61a0498e1beac68cd0bf9995e [INFO] running `Command { std: "docker" "start" "-a" "303371e6adbb68f2e6740d4509d5ffec57e141a61a0498e1beac68cd0bf9995e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "303371e6adbb68f2e6740d4509d5ffec57e141a61a0498e1beac68cd0bf9995e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "303371e6adbb68f2e6740d4509d5ffec57e141a61a0498e1beac68cd0bf9995e", kill_on_drop: false }` [INFO] [stdout] 303371e6adbb68f2e6740d4509d5ffec57e141a61a0498e1beac68cd0bf9995e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6537be03eb6c97ae2a858c6792e81ecee20516082add7a407add570d2f51c2c7 [INFO] running `Command { std: "docker" "start" "-a" "6537be03eb6c97ae2a858c6792e81ecee20516082add7a407add570d2f51c2c7", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking etcommon-hexutil v0.2.4 [INFO] [stderr] Checking elastic-array-plus v0.10.0 [INFO] [stderr] Checking rand v0.3.23 [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 etcommon-rlp v0.2.5 [INFO] [stderr] Checking sha3 v0.6.0 [INFO] [stderr] Checking etcommon-bigint v0.2.10 [INFO] [stderr] Checking etcommon-trie v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble` [INFO] [stdout] --> src/lib.rs:13:28 [INFO] [stdout] | [INFO] [stdout] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Decodable`, `Encodable`, `Prototype` [INFO] [stdout] --> src/merkle/nibble.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/merkle/nibble.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Formatter`, `self` [INFO] [stdout] --> src/merkle/nibble.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fmt::{self, Debug, Formatter}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `Nibble` [INFO] [stdout] --> src/merkle/node.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rlp` is imported redundantly [INFO] [stdout] --> src/merkle/node.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble` [INFO] [stdout] --> src/merkle/mod.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `Nibble` [INFO] [stdout] --> src/ops/insert.rs:2:39 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/ops/insert.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `self` [INFO] [stdout] --> src/ops/delete.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/ops/delete.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NibbleSlice` [INFO] [stdout] --> src/ops/build.rs:2:39 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rlp`, `self` [INFO] [stdout] --> src/ops/build.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `Nibble`, `self` [INFO] [stdout] --> src/ops/get.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Change` [INFO] [stdout] --> src/ops/get.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | use {Change, DatabaseHandle}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/ops/get.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rlp` [INFO] [stdout] --> src/mutable.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rlp` is imported redundantly [INFO] [stdout] --> src/mutable.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble` [INFO] [stdout] --> src/lib.rs:13:28 [INFO] [stdout] | [INFO] [stdout] 13 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Decodable`, `Encodable`, `Prototype` [INFO] [stdout] --> src/merkle/nibble.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/merkle/nibble.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Formatter`, `self` [INFO] [stdout] --> src/merkle/nibble.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fmt::{self, Debug, Formatter}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `Nibble` [INFO] [stdout] --> src/merkle/node.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rlp` is imported redundantly [INFO] [stdout] --> src/merkle/node.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rlp` is imported redundantly [INFO] [stdout] --> src/merkle/node.rs:161:15 [INFO] [stdout] | [INFO] [stdout] 161 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Keccak256` [INFO] [stdout] --> src/merkle/node.rs:162:24 [INFO] [stdout] | [INFO] [stdout] 162 | use sha3::{Digest, Keccak256}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble` [INFO] [stdout] --> src/merkle/node.rs:163:32 [INFO] [stdout] | [INFO] [stdout] 163 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble` [INFO] [stdout] --> src/merkle/mod.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `Nibble` [INFO] [stdout] --> src/ops/insert.rs:2:39 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/ops/insert.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `self` [INFO] [stdout] --> src/ops/delete.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/ops/delete.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NibbleSlice` [INFO] [stdout] --> src/ops/build.rs:2:39 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rlp`, `self` [INFO] [stdout] --> src/ops/build.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NibbleSlice`, `Nibble`, `self` [INFO] [stdout] --> src/ops/get.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Change` [INFO] [stdout] --> src/ops/get.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | use {Change, DatabaseHandle}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/ops/get.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `merkle::MerkleNode` [INFO] [stdout] --> src/memory.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | use merkle::MerkleNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rlp::Rlp` [INFO] [stdout] --> src/memory.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | use rlp::Rlp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::UnsafeCell` [INFO] [stdout] --> src/memory.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | use std::cell::UnsafeCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rlp` [INFO] [stdout] --> src/mutable.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rlp` is imported redundantly [INFO] [stdout] --> src/mutable.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Hasher` [INFO] [stdout] --> src/merkle/nibble.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/merkle/node.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DatabaseHandle` [INFO] [stdout] --> src/ops/build.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use {Change, DatabaseHandle}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Hasher` [INFO] [stdout] --> src/merkle/nibble.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/merkle/node.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Digest` [INFO] [stdout] --> src/merkle/node.rs:162:16 [INFO] [stdout] | [INFO] [stdout] 162 | use sha3::{Digest, Keccak256}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DatabaseHandle` [INFO] [stdout] --> src/ops/build.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use {Change, DatabaseHandle}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/merkle/node.rs:63:55 [INFO] [stdout] | [INFO] [stdout] 63 | MerkleNode::Leaf(nibble.clone(), value.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:14:54 [INFO] [stdout] | [INFO] [stdout] 14 | submap.insert(key[common_len..].into(), value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:32:68 [INFO] [stdout] | [INFO] [stdout] 32 | return (MerkleNode::Leaf(key.clone(), map.get(key).unwrap().clone()), change); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:72:39 [INFO] [stdout] | [INFO] [stdout] 72 | .map(|(_key, value)| value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/memory.rs:138:19 [INFO] [stdout] | [INFO] [stdout] 138 | for (key, value) in &map { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memory.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | let mut btrie = MemoryTrieMut::build(&map); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/merkle/node.rs:63:55 [INFO] [stdout] | [INFO] [stdout] 63 | MerkleNode::Leaf(nibble.clone(), value.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:14:54 [INFO] [stdout] | [INFO] [stdout] 14 | submap.insert(key[common_len..].into(), value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:32:68 [INFO] [stdout] | [INFO] [stdout] 32 | return (MerkleNode::Leaf(key.clone(), map.get(key).unwrap().clone()), change); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:72:39 [INFO] [stdout] | [INFO] [stdout] 72 | .map(|(_key, value)| value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "6537be03eb6c97ae2a858c6792e81ecee20516082add7a407add570d2f51c2c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6537be03eb6c97ae2a858c6792e81ecee20516082add7a407add570d2f51c2c7", kill_on_drop: false }` [INFO] [stdout] 6537be03eb6c97ae2a858c6792e81ecee20516082add7a407add570d2f51c2c7