[INFO] updating cached repository https://github.com/vruello/yasbit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2faba1e88ed5351abea605fb90847a9521427fb6
[INFO] checking vruello/yasbit against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvruello%2Fyasbit" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vruello/yasbit on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vruello/yasbit
[INFO] finished tweaking git repo https://github.com/vruello/yasbit
[INFO] tweaked toml for git repo https://github.com/vruello/yasbit written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vruello/yasbit already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 025a8750a532275fd4455ca89e5e1d766d674e199cff26469584413b62df0d59
[INFO] running `"docker" "start" "-a" "025a8750a532275fd4455ca89e5e1d766d674e199cff26469584413b62df0d59"`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking yasbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::network`
[INFO] [stderr]  --> src/message/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::network;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net`
[INFO] [stderr]  --> src/message/addr.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/feefilter.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/getaddr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::crypto`
[INFO] [stderr]  --> src/message/getdata.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::crypto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/message/getdata.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::variable_integer::VariableInteger`
[INFO] [stderr]   --> src/message/getdata.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::variable_integer::VariableInteger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::crypto`
[INFO] [stderr]  --> src/message/inv.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::crypto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/message/inv.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::variable_integer::VariableInteger`
[INFO] [stderr]   --> src/message/inv.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::variable_integer::VariableInteger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/message/inv_base.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message`
[INFO] [stderr]  --> src/message/inv_base.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::message;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::crypto`
[INFO] [stderr]  --> src/message/notfound.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::crypto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/message/notfound.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::variable_integer::VariableInteger`
[INFO] [stderr]   --> src/message/notfound.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::variable_integer::VariableInteger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/pong.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/sendheaders.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/verack.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net`
[INFO] [stderr]  --> src/message/version.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message`
[INFO] [stderr]  --> src/network.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::message;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::crypto::Hashable`
[INFO] [stderr]  --> src/script.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::crypto::Hashable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::network`
[INFO] [stderr]  --> src/message/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::network;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/message/getdata.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::variable_integer::VariableInteger`
[INFO] [stderr]   --> src/message/getdata.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::variable_integer::VariableInteger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/message/inv.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::variable_integer::VariableInteger`
[INFO] [stderr]   --> src/message/inv.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::variable_integer::VariableInteger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/message/inv_base.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message`
[INFO] [stderr]  --> src/message/inv_base.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::message;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/message/notfound.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::variable_integer::VariableInteger`
[INFO] [stderr]   --> src/message/notfound.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::variable_integer::VariableInteger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/addr.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/alert.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/getblocks.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/getdata.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/getheaders.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/inv.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/inv_base.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/notfound.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/ping.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/version.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/addr.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]    --> src/message/alert.rs:197:22
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/feefilter.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getaddr.rs:35:22
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getblocks.rs:85:22
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getdata.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getheaders.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/inv.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `next_size` is never read
[INFO] [stderr]   --> src/message/inv_base.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut next_size = 4;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/notfound.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/pong.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/sendheaders.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/verack.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/script.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         index += 1;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `opcode` is never read
[INFO] [stderr]    --> src/script.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let mut opcode = self.txin_scriptsig[index];
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_index` is never read
[INFO] [stderr]   --> src/variable_integer.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut end_index = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/block.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn new(
[INFO] [stderr] 28 | |         version: u32,
[INFO] [stderr] 29 | |         hash_prev_block: Hash32,
[INFO] [stderr] 30 | |         time: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         block
[INFO] [stderr] 53 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_merkle_root`
[INFO] [stderr]   --> src/block.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn update_merkle_root(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_tx`
[INFO] [stderr]   --> src/block.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn add_tx(&mut self, tr: Box<Transaction>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]   --> src/block.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mine`
[INFO] [stderr]   --> src/block.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn mine(&mut self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Hash20`
[INFO] [stderr]   --> src/crypto.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Hash20 = [u8; 20];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hash20`
[INFO] [stderr]   --> src/crypto.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn hash20(data: &[u8]) -> Hash20 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/merkle_tree.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new<T: crypto::Hashable>(elts: &Vec<Box<T>>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root_rec`
[INFO] [stderr]   --> src/merkle_tree.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn root_rec(elements: Vec<MerkleTreeNode>) -> crypto::Hash32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]   --> src/merkle_tree.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn root(&self) -> Option<crypto::Hash32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/merkle_tree.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn height(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/addr.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn new(addr_list: Vec<network::NetAddr>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/message/alert.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     pub fn new(
[INFO] [stderr] 202 | |         version: u32,
[INFO] [stderr] 203 | |         relay_until: u64,
[INFO] [stderr] 204 | |         expiration: u64,
[INFO] [stderr] ...   |
[INFO] [stderr] 232 | |         }
[INFO] [stderr] 233 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/feefilter.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(feerate: u64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/getaddr.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/message/getblocks.rs:92:5
[INFO] [stderr]     |
[INFO] [stderr] 92  | /     pub fn new(
[INFO] [stderr] 93  | |         version: u32,
[INFO] [stderr] 94  | |         block_locator_hashes: Vec<crypto::Hash32>,
[INFO] [stderr] 95  | |         hash_stop: crypto::Hash32,
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |         }
[INFO] [stderr] 102 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/getdata.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(inventory: Vec<InvVect>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/getheaders.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     pub fn new(
[INFO] [stderr] 84 | |         version: u32,
[INFO] [stderr] 85 | |         block_locator_hashes: Vec<crypto::Hash32>,
[INFO] [stderr] 86 | |         hash_stop: crypto::Hash32,
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         }
[INFO] [stderr] 93 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/inv.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(inventory: Vec<InvVect>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/notfound.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(inventory: Vec<InvVect>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/ping.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn new(nonce: u64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/sendheaders.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_TESTNET3`
[INFO] [stderr]   --> src/message/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const MAGIC_TESTNET3: u32 = 0x0709110B;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_NAMECOIN`
[INFO] [stderr]   --> src/message/mod.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub const MAGIC_NAMECOIN: u32 = 0xFEB4BEF9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_GETUTXO`
[INFO] [stderr]   --> src/message/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const NODE_GETUTXO: u64 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_BLOOM`
[INFO] [stderr]   --> src/message/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const NODE_BLOOM: u64 = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_WITNESS`
[INFO] [stderr]   --> src/message/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const NODE_WITNESS: u64 = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_NETWORK_LIMITED`
[INFO] [stderr]   --> src/message/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub const NODE_NETWORK_LIMITED: u64 = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/network.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(time: u32, services: u64, ip: net::Ipv6Addr, port: u16) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]  --> src/script.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Array(Vec<u8>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/script.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Bool(bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/script.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Number(i64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Script`
[INFO] [stderr]   --> src/script.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Script {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ScriptResult`
[INFO] [stderr]   --> src/script.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct ScriptResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_push`
[INFO] [stderr]   --> src/script.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn op_push(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_dup`
[INFO] [stderr]   --> src/script.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn op_dup(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_hash160`
[INFO] [stderr]   --> src/script.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn op_hash160(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_equal`
[INFO] [stderr]   --> src/script.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn op_equal(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_verify`
[INFO] [stderr]   --> src/script.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn op_verify(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_equalverify`
[INFO] [stderr]   --> src/script.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn op_equalverify(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `checksig`
[INFO] [stderr]    --> src/script.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn checksig(&self, pub_key_str: Vec<u8>, mut sig_str: Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_checkmultisigverify`
[INFO] [stderr]    --> src/script.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn op_checkmultisigverify(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_checkmultisig`
[INFO] [stderr]    --> src/script.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn op_checkmultisig(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_checksig`
[INFO] [stderr]    --> src/script.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn op_checksig(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_checksigverify`
[INFO] [stderr]    --> src/script.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn op_checksigverify(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_true`
[INFO] [stderr]    --> src/script.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn op_true(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_false`
[INFO] [stderr]    --> src/script.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn op_false(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_next_instruction`
[INFO] [stderr]    --> src/script.rs:244:5
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn exec_next_instruction(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_is_finished`
[INFO] [stderr]    --> src/script.rs:255:5
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn exec_is_finished(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `build_op_map`
[INFO] [stderr]    --> src/script.rs:259:5
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn build_op_map(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/script.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 | /     pub fn new(
[INFO] [stderr] 274 | |         tx_new: Box<Transaction>,
[INFO] [stderr] 275 | |         input_index: usize,
[INFO] [stderr] 276 | |         tx_prev_out: Box<TxOutput>,
[INFO] [stderr] ...   |
[INFO] [stderr] 296 | |         }
[INFO] [stderr] 297 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_pay_to_script_hash`
[INFO] [stderr]    --> src/script.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn is_pay_to_script_hash(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec`
[INFO] [stderr]    --> src/script.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn exec(&mut self) -> ScriptResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_serialized_script`
[INFO] [stderr]    --> src/script.rs:377:5
[INFO] [stderr]     |
[INFO] [stderr] 377 |     fn pop_serialized_script(&mut self) -> Result<Vec<u8>, ()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sig`
[INFO] [stderr]   --> src/transaction.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn sig(&self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pubkey`
[INFO] [stderr]   --> src/transaction.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn pubkey(&self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/transaction.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_input`
[INFO] [stderr]   --> src/transaction.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn add_input(&mut self, tx: Hash32, index: u32, script_sig: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_output`
[INFO] [stderr]   --> src/transaction.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn add_output(&mut self, value: u64, script_pub_key: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/inv_base.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hash`
[INFO] [stderr]    --> src/crypto.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let hash = bytes_to_hash32(&data).unwrap();
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_hash`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/addr.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]    --> src/message/alert.rs:197:22
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/feefilter.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getaddr.rs:35:22
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getblocks.rs:85:22
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getdata.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/getheaders.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/inv.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `next_size` is never read
[INFO] [stderr]   --> src/message/inv_base.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut next_size = 4;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/notfound.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/pong.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/sendheaders.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sendheaders`
[INFO] [stderr]   --> src/message/sendheaders.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let sendheaders = MessageSendHeaders::from_bytes(&vec![1]);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_sendheaders`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]   --> src/message/verack.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `verack`
[INFO] [stderr]   --> src/message/verack.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let verack = MessageVerack::from_bytes(&vec![1]);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_verack`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_cw`
[INFO] [stderr]    --> src/message/mod.rs:254:26
[INFO] [stderr]     |
[INFO] [stderr] 254 |         fn handle(&self, t_cw: &mpsc::Sender<Vec<u8>>) {}
[INFO] [stderr]     |                          ^^^^ help: consider prefixing with an underscore: `_t_cw`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/script.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         index += 1;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `opcode` is never read
[INFO] [stderr]    --> src/script.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let mut opcode = self.txin_scriptsig[index];
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_index` is never read
[INFO] [stderr]   --> src/variable_integer.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut end_index = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/script.rs:657:13
[INFO] [stderr]     |
[INFO] [stderr] 657 |         let mut hash = crypto::bytes_to_hash32(
[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/script.rs:665:13
[INFO] [stderr]     |
[INFO] [stderr] 665 |         let mut hash = crypto::bytes_to_hash32(
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_tx`
[INFO] [stderr]   --> src/block.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn add_tx(&mut self, tr: Box<Transaction>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]   --> src/block.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mine`
[INFO] [stderr]   --> src/block.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn mine(&mut self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_TESTNET3`
[INFO] [stderr]   --> src/message/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const MAGIC_TESTNET3: u32 = 0x0709110B;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_NAMECOIN`
[INFO] [stderr]   --> src/message/mod.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub const MAGIC_NAMECOIN: u32 = 0xFEB4BEF9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_GETUTXO`
[INFO] [stderr]   --> src/message/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const NODE_GETUTXO: u64 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_BLOOM`
[INFO] [stderr]   --> src/message/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const NODE_BLOOM: u64 = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_WITNESS`
[INFO] [stderr]   --> src/message/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const NODE_WITNESS: u64 = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_NETWORK_LIMITED`
[INFO] [stderr]   --> src/message/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub const NODE_NETWORK_LIMITED: u64 = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `"docker" "inspect" "025a8750a532275fd4455ca89e5e1d766d674e199cff26469584413b62df0d59"`
[INFO] running `"docker" "rm" "-f" "025a8750a532275fd4455ca89e5e1d766d674e199cff26469584413b62df0d59"`
[INFO] [stdout] 025a8750a532275fd4455ca89e5e1d766d674e199cff26469584413b62df0d59