[INFO] cloning repository https://github.com/mnotgod96/Bitcoin-Client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnotgod96/Bitcoin-Client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnotgod96%2FBitcoin-Client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnotgod96%2FBitcoin-Client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2237d90ad9ef8046727678b07c0f63fdbeb88bb
[INFO] checking mnotgod96/Bitcoin-Client against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnotgod96%2FBitcoin-Client" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mnotgod96/Bitcoin-Client on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mnotgod96/Bitcoin-Client
[INFO] finished tweaking git repo https://github.com/mnotgod96/Bitcoin-Client
[INFO] tweaked toml for git repo https://github.com/mnotgod96/Bitcoin-Client written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mnotgod96/Bitcoin-Client 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mnotgod96/Bitcoin-Client against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnotgod96%2FBitcoin-Client" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mnotgod96/Bitcoin-Client on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mnotgod96/Bitcoin-Client
[INFO] finished tweaking git repo https://github.com/mnotgod96/Bitcoin-Client
[INFO] tweaked toml for git repo https://github.com/mnotgod96/Bitcoin-Client written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mnotgod96/Bitcoin-Client 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e4967ffe00c2464b724513b939222eba73781e00dd765143001849acef8db8
[INFO] running `Command { std: "docker" "start" "-a" "29e4967ffe00c2464b724513b939222eba73781e00dd765143001849acef8db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e4967ffe00c2464b724513b939222eba73781e00dd765143001849acef8db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e4967ffe00c2464b724513b939222eba73781e00dd765143001849acef8db8", kill_on_drop: false }`
[INFO] [stdout] 29e4967ffe00c2464b724513b939222eba73781e00dd765143001849acef8db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1f7d0449f079835a84ddbe1eb6e0d2be4283738c048e73bc825911cda7cd69
[INFO] running `Command { std: "docker" "start" "-a" "fb1f7d0449f079835a84ddbe1eb6e0d2be4283738c048e73bc825911cda7cd69", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
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[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
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[INFO] [stderr]     Checking bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/block.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::transaction::{Transaction, SignedTransaction};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]  --> src/miner.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::transaction::{Transaction, SignedTransaction, Mempool, State};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/miner.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{info, debug};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/miner.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::crypto::hash::{H256, Hashable};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Content`, `Header`
[INFO] [stdout]  --> src/network/message.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::block::{Block, Header, Content};
[INFO] [stdout]   |                           ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/network/message.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::crypto::hash::{H256, Hashable};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]  --> src/network/worker.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::transaction::{Transaction, SignedTransaction, Mempool, State};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ed25519KeyPair`, `EdDSAParameters`, `Signature`
[INFO] [stdout]   --> src/network/worker.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^  ^^^^^^^^^                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/transaction.rs:4:88
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::crypto::key_pair`
[INFO] [stdout]   --> src/transaction.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         use crate::crypto::key_pair;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EdDSAParameters`, `Signature`, `VerificationAlgorithm`, `self`
[INFO] [stdout]   --> src/main.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                       ^^^^                  ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::crypto::merkle::MerkleTree`
[INFO] [stdout]  --> src/block.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::crypto::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/block.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::transaction::{Transaction, SignedTransaction};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]  --> src/miner.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::transaction::{Transaction, SignedTransaction, Mempool, State};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/miner.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{info, debug};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/miner.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::crypto::hash::{H256, Hashable};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Content`, `Header`
[INFO] [stdout]  --> src/network/message.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::block::{Block, Header, Content};
[INFO] [stdout]   |                           ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/network/message.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::crypto::hash::{H256, Hashable};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]  --> src/network/worker.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::transaction::{Transaction, SignedTransaction, Mempool, State};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ed25519KeyPair`, `EdDSAParameters`, `Signature`
[INFO] [stdout]   --> src/network/worker.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^  ^^^^^^^^^                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/transaction.rs:4:88
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::crypto::key_pair`
[INFO] [stdout]   --> src/transaction.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         use crate::crypto::key_pair;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EdDSAParameters`, `Signature`, `VerificationAlgorithm`, `self`
[INFO] [stdout]   --> src/main.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                       ^^^^                  ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]   --> src/network/worker.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]   --> src/network/worker.rs:11:65
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/transaction.rs:4:65
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]   --> src/network/worker.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]   --> src/network/worker.rs:11:65
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/transaction.rs:4:65
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ring::signature::{self, Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:215:25
[INFO] [stdout]     |
[INFO] [stdout] 215 |                     let mut mempool_un = self.mempool.lock().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     let mut mempool_un = self.mempool.lock().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let mut state_un = self.state.lock().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |                         let mut hash: H256 = transaction.hash();
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut txmap = HashMap::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut txset = HashSet::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let mut hash: H256 = signed_tx.hash();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:215:25
[INFO] [stdout]     |
[INFO] [stdout] 215 |                     let mut mempool_un = self.mempool.lock().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     let mut mempool_un = self.mempool.lock().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let mut state_un = self.state.lock().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |                         let mut hash: H256 = transaction.hash();
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut txmap = HashMap::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut txset = HashSet::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let mut hash: H256 = signed_tx.hash();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.76s
[INFO] running `Command { std: "docker" "inspect" "fb1f7d0449f079835a84ddbe1eb6e0d2be4283738c048e73bc825911cda7cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1f7d0449f079835a84ddbe1eb6e0d2be4283738c048e73bc825911cda7cd69", kill_on_drop: false }`
[INFO] [stdout] fb1f7d0449f079835a84ddbe1eb6e0d2be4283738c048e73bc825911cda7cd69
