[INFO] crate etcommon-trie-test 0.3.12 is already in cache [INFO] extracting crate etcommon-trie-test 0.3.12 into work/ex/beta-1.38-1/sources/1.37.0/reg/etcommon-trie-test/0.3.12 [INFO] extracting crate etcommon-trie-test 0.3.12 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/etcommon-trie-test/0.3.12 [INFO] validating manifest of etcommon-trie-test-0.3.12 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of etcommon-trie-test-0.3.12 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing etcommon-trie-test-0.3.12 [INFO] finished frobbing etcommon-trie-test-0.3.12 [INFO] frobbed toml for etcommon-trie-test-0.3.12 written to work/ex/beta-1.38-1/sources/1.37.0/reg/etcommon-trie-test/0.3.12/Cargo.toml [INFO] started frobbing etcommon-trie-test-0.3.12 [INFO] finished frobbing etcommon-trie-test-0.3.12 [INFO] frobbed toml for etcommon-trie-test-0.3.12 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/etcommon-trie-test/0.3.12/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing etcommon-trie-test-0.3.12 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/etcommon-trie-test/0.3.12:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 828baf0b2c4d005fbcf1acbeb1a60ffe10285f87ee4c2737870d14b9ffcd423a [INFO] running `"docker" "start" "-a" "828baf0b2c4d005fbcf1acbeb1a60ffe10285f87ee4c2737870d14b9ffcd423a"` [INFO] [stderr] Compiling elastic-array-plus v0.10.0 [INFO] [stderr] Compiling etcommon-hexutil v0.2.4 [INFO] [stderr] Compiling etcommon-rlp v0.2.4 [INFO] [stderr] Compiling etcommon-bigint v0.2.10 [INFO] [stderr] Compiling etcommon-trie-test v0.3.12 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/lib.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | use std::ops::{Deref, DerefMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype` [INFO] [stderr] --> src/merkle/nibble.rs:1:22 [INFO] [stderr] | [INFO] [stderr] 1 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/merkle/nibble.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Formatter`, `self` [INFO] [stderr] --> src/merkle/nibble.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::{self, Debug, Formatter}; [INFO] [stderr] | ^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NibbleSlice`, `Nibble` [INFO] [stderr] --> src/merkle/node.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble` [INFO] [stderr] --> src/merkle/mod.rs:4:20 [INFO] [stderr] | [INFO] [stderr] 4 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `::Trie` [INFO] [stderr] --> src/database/memory.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use ::Trie; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DatabaseOwned` [INFO] [stderr] --> src/database/memory.rs:2:23 [INFO] [stderr] | [INFO] [stderr] 2 | use super::{Database, DatabaseOwned, DatabaseGuard}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hasher` [INFO] [stderr] --> src/merkle/nibble.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | use std::hash::{Hash, Hasher}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Decodable` [INFO] [stderr] --> src/merkle/node.rs:3:39 [INFO] [stderr] | [INFO] [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:283:74 [INFO] [stderr] | [INFO] [stderr] 283 | let submap = Self::build_submap(1, map.iter().filter(|&(key, value)| { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:296:29 [INFO] [stderr] | [INFO] [stderr] 296 | .filter(|&(key, value)| key.len() == 0).next() [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/lib.rs:297:20 [INFO] [stderr] | [INFO] [stderr] 297 | .map(|(key, value)| value.clone()); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sub_additional` [INFO] [stderr] --> src/lib.rs:632:55 [INFO] [stderr] | [INFO] [stderr] 632 | MerkleNode::Branch(sub_nodes, sub_additional) => { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_sub_additional` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sub_nodes` [INFO] [stderr] --> src/lib.rs:632:44 [INFO] [stderr] | [INFO] [stderr] 632 | MerkleNode::Branch(sub_nodes, sub_additional) => { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_sub_nodes` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `free` [INFO] [stderr] --> src/database/mod.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn free<'b>(&'b mut self, hash: H256) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `freed` [INFO] [stderr] --> src/database/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | freed: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.43s [INFO] running `"docker" "inspect" "828baf0b2c4d005fbcf1acbeb1a60ffe10285f87ee4c2737870d14b9ffcd423a"` [INFO] running `"docker" "rm" "-f" "828baf0b2c4d005fbcf1acbeb1a60ffe10285f87ee4c2737870d14b9ffcd423a"` [INFO] [stdout] 828baf0b2c4d005fbcf1acbeb1a60ffe10285f87ee4c2737870d14b9ffcd423a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/etcommon-trie-test/0.3.12:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 8dbdaeb9f9cbf4d569f09d25af46572defbde9353fd2b9b1e55a5d100736ff8e [INFO] running `"docker" "start" "-a" "8dbdaeb9f9cbf4d569f09d25af46572defbde9353fd2b9b1e55a5d100736ff8e"` [INFO] [stderr] Compiling etcommon-trie-test v0.3.12 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/lib.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | use std::ops::{Deref, DerefMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Decodable`, `Encodable`, `Prototype` [INFO] [stderr] --> src/merkle/nibble.rs:1:22 [INFO] [stderr] | [INFO] [stderr] 1 | use rlp::{RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/merkle/nibble.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Formatter`, `self` [INFO] [stderr] --> src/merkle/nibble.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::{self, Debug, Formatter}; [INFO] [stderr] | ^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NibbleSlice`, `Nibble` [INFO] [stderr] --> src/merkle/node.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use super::nibble::{self, Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Keccak256` [INFO] [stderr] --> src/merkle/node.rs:157:24 [INFO] [stderr] | [INFO] [stderr] 157 | use sha3::{Digest, Keccak256}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NibbleSlice`, `NibbleVec`, `Nibble` [INFO] [stderr] --> src/merkle/node.rs:158:32 [INFO] [stderr] | [INFO] [stderr] 158 | use merkle::nibble::{self, NibbleVec, NibbleSlice, Nibble}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NibbleSlice`, `NibbleType`, `NibbleVec`, `Nibble` [INFO] [stderr] --> src/merkle/mod.rs:4:20 [INFO] [stderr] | [INFO] [stderr] 4 | use self::nibble::{Nibble, NibbleVec, NibbleSlice, NibbleType}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `::Trie` [INFO] [stderr] --> src/database/memory.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use ::Trie; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DatabaseOwned` [INFO] [stderr] --> src/database/memory.rs:2:23 [INFO] [stderr] | [INFO] [stderr] 2 | use super::{Database, DatabaseOwned, DatabaseGuard}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::UnsafeCell` [INFO] [stderr] --> src/lib.rs:726:9 [INFO] [stderr] | [INFO] [stderr] 726 | use std::cell::UnsafeCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hasher` [INFO] [stderr] --> src/merkle/nibble.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | use std::hash::{Hash, Hasher}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Decodable` [INFO] [stderr] --> src/merkle/node.rs:3:39 [INFO] [stderr] | [INFO] [stderr] 3 | use rlp::{self, RlpStream, Encodable, Decodable, Rlp, Prototype}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Digest` [INFO] [stderr] --> src/merkle/node.rs:157:16 [INFO] [stderr] | [INFO] [stderr] 157 | use sha3::{Digest, Keccak256}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DatabaseGuard` [INFO] [stderr] --> src/lib.rs:723:17 [INFO] [stderr] | [INFO] [stderr] 723 | use super::{DatabaseGuard, Trie}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:283:74 [INFO] [stderr] | [INFO] [stderr] 283 | let submap = Self::build_submap(1, map.iter().filter(|&(key, value)| { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:296:29 [INFO] [stderr] | [INFO] [stderr] 296 | .filter(|&(key, value)| key.len() == 0).next() [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/lib.rs:297:20 [INFO] [stderr] | [INFO] [stderr] 297 | .map(|(key, value)| value.clone()); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sub_additional` [INFO] [stderr] --> src/lib.rs:632:55 [INFO] [stderr] | [INFO] [stderr] 632 | MerkleNode::Branch(sub_nodes, sub_additional) => { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_sub_additional` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sub_nodes` [INFO] [stderr] --> src/lib.rs:632:44 [INFO] [stderr] | [INFO] [stderr] 632 | MerkleNode::Branch(sub_nodes, sub_additional) => { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_sub_nodes` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:740:13 [INFO] [stderr] | [INFO] [stderr] 740 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:756:13 [INFO] [stderr] | [INFO] [stderr] 756 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:776:13 [INFO] [stderr] | [INFO] [stderr] 776 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:801:13 [INFO] [stderr] | [INFO] [stderr] 801 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:812:13 [INFO] [stderr] | [INFO] [stderr] 812 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:825:13 [INFO] [stderr] | [INFO] [stderr] 825 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:841:13 [INFO] [stderr] | [INFO] [stderr] 841 | let mut map = HashMap::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:843:13 [INFO] [stderr] | [INFO] [stderr] 843 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:854:13 [INFO] [stderr] | [INFO] [stderr] 854 | let mut map = HashMap::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:856:13 [INFO] [stderr] | [INFO] [stderr] 856 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:869:13 [INFO] [stderr] | [INFO] [stderr] 869 | let mut map = HashMap::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:871:13 [INFO] [stderr] | [INFO] [stderr] 871 | let mut database: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:872:13 [INFO] [stderr] | [INFO] [stderr] 872 | let mut trie: Trie>> = Trie::build(database, &map); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `free` [INFO] [stderr] --> src/database/mod.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn free<'b>(&'b mut self, hash: H256) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `freed` [INFO] [stderr] --> src/database/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | freed: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.29s [INFO] running `"docker" "inspect" "8dbdaeb9f9cbf4d569f09d25af46572defbde9353fd2b9b1e55a5d100736ff8e"` [INFO] running `"docker" "rm" "-f" "8dbdaeb9f9cbf4d569f09d25af46572defbde9353fd2b9b1e55a5d100736ff8e"` [INFO] [stdout] 8dbdaeb9f9cbf4d569f09d25af46572defbde9353fd2b9b1e55a5d100736ff8e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/etcommon-trie-test/0.3.12:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 7fb55a9184f68969d3c15c9228ee3bddd591c66c0f3d0120c20ef049c93ca1a7 [INFO] running `"docker" "start" "-a" "7fb55a9184f68969d3c15c9228ee3bddd591c66c0f3d0120c20ef049c93ca1a7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/trie_test-b8b073f465f926e2 [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test merkle::node::tests::encode_decode ... ok [INFO] [stdout] test merkle::nibble::tests::from_into_key ... ok [INFO] [stdout] test tests::insert_single_item ... ok [INFO] [stdout] test tests::trie_empty ... ok [INFO] [stdout] test merkle::node::tests::decode_genesis_state ... ok [INFO] [stdout] test tests::sub_genesis ... ok [INFO] [stdout] test tests::testy ... ok [INFO] [stdout] test tests::trie_insert ... ok [INFO] [stdout] test tests::insert_middle_leaf ... ok [INFO] [stdout] test tests::insert_animals ... ok [INFO] [stdout] test tests::trie_delete ... ok [INFO] [stdout] test tests::trie_middle_leaf ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests trie_test [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "7fb55a9184f68969d3c15c9228ee3bddd591c66c0f3d0120c20ef049c93ca1a7"` [INFO] running `"docker" "rm" "-f" "7fb55a9184f68969d3c15c9228ee3bddd591c66c0f3d0120c20ef049c93ca1a7"` [INFO] [stdout] 7fb55a9184f68969d3c15c9228ee3bddd591c66c0f3d0120c20ef049c93ca1a7