[INFO] cloning repository https://github.com/grigory9/blockchain_homework_5 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grigory9/blockchain_homework_5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigory9%2Fblockchain_homework_5", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigory9%2Fblockchain_homework_5'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6835fd12a24daa8a92e50ef2705b1ee7dbcaef30 [INFO] checking grigory9/blockchain_homework_5 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigory9%2Fblockchain_homework_5" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/grigory9/blockchain_homework_5 [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/grigory9/blockchain_homework_5 [INFO] tweaked toml for git repo https://github.com/grigory9/blockchain_homework_5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/grigory9/blockchain_homework_5 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/grigory9/blockchain_homework_5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num_cpus v1.17.0 [INFO] [stderr] Downloaded hermit-abi v0.5.2 [INFO] [stderr] Downloaded leveldb v0.8.6 [INFO] [stderr] Downloaded cmake v0.1.54 [INFO] [stderr] Downloaded ffi-opaque v2.0.1 [INFO] [stderr] Downloaded primitive-types v0.13.1 [INFO] [stderr] Downloaded crunchy v0.2.4 [INFO] [stderr] Downloaded hex v0.4.3 [INFO] [stderr] Downloaded bincode v1.3.3 [INFO] [stderr] Downloaded fixed-hash v0.8.0 [INFO] [stderr] Downloaded uint v0.10.0 [INFO] [stderr] Downloaded static_assertions v1.1.0 [INFO] [stderr] Downloaded syn v2.0.104 [INFO] [stderr] Downloaded tiny-keccak v2.0.2 [INFO] [stderr] Downloaded cc v1.2.31 [INFO] [stderr] Downloaded keccak-hash v0.11.0 [INFO] [stderr] Downloaded db-key v0.0.5 [INFO] [stderr] Downloaded libc v0.2.174 [INFO] [stderr] Downloaded leveldb-sys v2.0.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8fedcad17f234e8a52d51945805fb227eaae8b2f50a55e7ab6ba7fbc83e87d7 [INFO] running `Command { std: "docker" "start" "-a" "d8fedcad17f234e8a52d51945805fb227eaae8b2f50a55e7ab6ba7fbc83e87d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8fedcad17f234e8a52d51945805fb227eaae8b2f50a55e7ab6ba7fbc83e87d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8fedcad17f234e8a52d51945805fb227eaae8b2f50a55e7ab6ba7fbc83e87d7", kill_on_drop: false }` [INFO] [stdout] d8fedcad17f234e8a52d51945805fb227eaae8b2f50a55e7ab6ba7fbc83e87d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd06d187d81915d4b0bded0f28589a54275c842400e2053a36aee817170ebfc7 [INFO] running `Command { std: "docker" "start" "-a" "dd06d187d81915d4b0bded0f28589a54275c842400e2053a36aee817170ebfc7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking ffi-opaque v2.0.1 [INFO] [stderr] Checking db-key v0.0.5 [INFO] [stderr] Checking fixed-hash v0.8.0 [INFO] [stderr] Compiling cc v1.2.31 [INFO] [stderr] Checking uint v0.10.0 [INFO] [stderr] Checking primitive-types v0.13.1 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking keccak-hash v0.11.0 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling leveldb-sys v2.0.9 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking leveldb v0.8.6 [INFO] [stderr] Checking blockchain_homework_merkle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Transaction` [INFO] [stdout] --> src/blockchain_storage.rs:308:37 [INFO] [stdout] | [INFO] [stdout] 308 | use crate::block::{BlockHeader, Transaction}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MerkleTree` is never constructed [INFO] [stdout] --> src/merkle.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct MerkleTree { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_from`, `add_data`, `make_proof`, and `verify_proof` are never used [INFO] [stdout] --> src/merkle.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl MerkleTree { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 12 | fn new_from(data: &[String]) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn add_data(&mut self, data: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn make_proof(&self, data: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn verify_proof(data: &str, proof: &[(H256, bool)], root_hash: &H256) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MerkleTreeNode` is never used [INFO] [stdout] --> src/merkle.rs:74:6 [INFO] [stdout] | [INFO] [stdout] 74 | enum MerkleTreeNode { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `make_proof_index`, `hash`, and `hash_pair` are never used [INFO] [stdout] --> src/merkle.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl MerkleTreeNode { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 81 | fn new(data: &[H256]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn make_proof_index(&self, index: usize, total_size: usize) -> Vec<(H256, bool)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn hash(&self) -> H256 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn hash_pair(left: H256, right: H256) -> H256 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blockchain_storage.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 314 | let mut storage = BlockchainStorage::new_with_path(temp_dir); [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: unused import: `keccak_hash::H256` [INFO] [stdout] --> examples/blockchain_demo.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use keccak_hash::H256; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.82s [INFO] running `Command { std: "docker" "inspect" "dd06d187d81915d4b0bded0f28589a54275c842400e2053a36aee817170ebfc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd06d187d81915d4b0bded0f28589a54275c842400e2053a36aee817170ebfc7", kill_on_drop: false }` [INFO] [stdout] dd06d187d81915d4b0bded0f28589a54275c842400e2053a36aee817170ebfc7