[INFO] crate merkle_trees 0.1.0 is already in cache [INFO] checking merkle_trees-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate merkle_trees 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate merkle_trees 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate merkle_trees 0.1.0 [INFO] finished tweaking crates.io crate merkle_trees 0.1.0 [INFO] tweaked toml for crates.io crate merkle_trees 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fe63ffba7002a6ae3bb00f35e95f7acf507a30a534f6e362dad6e9c8b59fafae [INFO] running `"docker" "start" "-a" "fe63ffba7002a6ae3bb00f35e95f7acf507a30a534f6e362dad6e9c8b59fafae"` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling bindgen v0.49.4 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking rlp v0.4.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking arrayvec v0.4.12 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking blake2 v0.8.1 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking mimc-rs v0.0.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling paste-impl v0.1.11 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking paste v0.1.11 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling unqlite v1.4.3 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking serde_bytes v0.11.3 [INFO] [stderr] Checking sled v0.29.2 [INFO] [stderr] Checking merkle_trees v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/compact_merkle_tree.rs:284:28 [INFO] [stderr] | [INFO] [stderr] 284 | idx += (p - 1); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/compact_merkle_tree.rs:834:29 [INFO] [stderr] | [INFO] [stderr] 834 | let last_leaf_idx = (size - 1); [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/db.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::hasher::Arity2Hasher` [INFO] [stderr] --> src/merkle_patricia_trie.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use crate::hasher::Arity2Hasher; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::types::LeafIndex` [INFO] [stderr] --> src/merkle_patricia_trie.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::types::LeafIndex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `arrayvec::ArrayVec` [INFO] [stderr] --> src/types.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use arrayvec::ArrayVec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::identities::Zero` [INFO] [stderr] --> src/types.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use num_traits::identities::Zero; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/merkle_patricia_trie.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_leaf` [INFO] [stderr] --> src/merkle_patricia_trie.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | fn is_leaf(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_extension` [INFO] [stderr] --> src/merkle_patricia_trie.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn is_extension(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset_root` [INFO] [stderr] --> src/merkle_patricia_trie.rs:1373:5 [INFO] [stderr] | [INFO] [stderr] 1373 | fn reset_root(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/compact_merkle_tree.rs:284:28 [INFO] [stderr] | [INFO] [stderr] 284 | idx += (p - 1); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/compact_merkle_tree.rs:834:29 [INFO] [stderr] | [INFO] [stderr] 834 | let last_leaf_idx = (size - 1); [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/db.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BigInt` [INFO] [stderr] --> src/hasher.rs:85:22 [INFO] [stderr] | [INFO] [stderr] 85 | use num_bigint::{BigInt, BigUint, ToBigInt}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::hasher::Arity2Hasher` [INFO] [stderr] --> src/merkle_patricia_trie.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use crate::hasher::Arity2Hasher; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::types::LeafIndex` [INFO] [stderr] --> src/merkle_patricia_trie.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::types::LeafIndex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::sha2::Sha256` [INFO] [stderr] --> src/sparse_merkle_tree.rs:395:9 [INFO] [stderr] | [INFO] [stderr] 395 | use crate::sha2::Sha256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `arrayvec::ArrayVec` [INFO] [stderr] --> src/types.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use arrayvec::ArrayVec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::identities::Zero` [INFO] [stderr] --> src/types.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use num_traits::identities::Zero; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Rng` [INFO] [stderr] --> src/vanilla_sparse_merkle_tree.rs:344:34 [INFO] [stderr] | [INFO] [stderr] 344 | use self::rand::{thread_rng, Rng}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::Pow` [INFO] [stderr] --> src/sparse_merkle_tree.rs:404:9 [INFO] [stderr] | [INFO] [stderr] 404 | use num_traits::Pow; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/compact_merkle_tree.rs:1063:13 [INFO] [stderr] | [INFO] [stderr] 1063 | let tree = CompactMerkleTree::new(hasher.clone()); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h_l_6` [INFO] [stderr] --> src/compact_merkle_tree.rs:1125:13 [INFO] [stderr] | [INFO] [stderr] 1125 | let h_l_6 = hasher.hash_leaf(l_6).unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_h_l_6` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path_4` [INFO] [stderr] --> src/compact_merkle_tree.rs:1220:13 [INFO] [stderr] | [INFO] [stderr] 1220 | let path_4 = tree.append(l_4, &mut db).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_4` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path_5` [INFO] [stderr] --> src/compact_merkle_tree.rs:1231:13 [INFO] [stderr] | [INFO] [stderr] 1231 | let path_5 = tree.append(l_5, &mut db).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_5` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/merkle_patricia_trie.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset_root` [INFO] [stderr] --> src/merkle_patricia_trie.rs:1373:5 [INFO] [stderr] | [INFO] [stderr] 1373 | fn reset_root(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 34s [INFO] running `"docker" "inspect" "fe63ffba7002a6ae3bb00f35e95f7acf507a30a534f6e362dad6e9c8b59fafae"` [INFO] running `"docker" "rm" "-f" "fe63ffba7002a6ae3bb00f35e95f7acf507a30a534f6e362dad6e9c8b59fafae"` [INFO] [stdout] fe63ffba7002a6ae3bb00f35e95f7acf507a30a534f6e362dad6e9c8b59fafae