[INFO] updating cached repository vruello/yasbit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vruello/yasbit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vruello/yasbit" "work/ex/beta-1.38-1/sources/1.37.0/gh/vruello/yasbit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vruello/yasbit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vruello/yasbit" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vruello/yasbit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vruello/yasbit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62ed1282c0afd898c7b313e3a2ad756fc5d1c19d
[INFO] sha for GitHub repo vruello/yasbit: 62ed1282c0afd898c7b313e3a2ad756fc5d1c19d
[INFO] validating manifest of vruello/yasbit on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vruello/yasbit on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vruello/yasbit
[INFO] finished frobbing vruello/yasbit
[INFO] frobbed toml for vruello/yasbit written to work/ex/beta-1.38-1/sources/1.37.0/gh/vruello/yasbit/Cargo.toml
[INFO] started frobbing vruello/yasbit
[INFO] finished frobbing vruello/yasbit
[INFO] frobbed toml for vruello/yasbit written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vruello/yasbit/Cargo.toml
[INFO] crate vruello/yasbit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing vruello/yasbit against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vruello/yasbit:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 486bf13fb6265ebe26b24e23d40739e7bafd28e375b038bc749096f890983268
[INFO] running `"docker" "start" "-a" "486bf13fb6265ebe26b24e23d40739e7bafd28e375b038bc749096f890983268"`
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling yasbit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::crypto::Hashable`
[INFO] [stderr]  --> src/script.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::crypto::Hashable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[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::network`
[INFO] [stderr]  --> src/message/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::network;
[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::MessageCommand`
[INFO] [stderr]  --> src/message/getaddr.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/version.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::message::MessageCommand;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::message::MessageCommand`
[INFO] [stderr]  --> src/message/getblocks.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::message::MessageCommand;
[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]    = note: #[warn(dead_code)] on by default
[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: function is never used: `to_hash32`
[INFO] [stderr]   --> src/crypto.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn to_hash32(data: &[u8]) -> Result<Hash32, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_signature`
[INFO] [stderr]   --> src/crypto.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / pub fn check_signature(pub_key_str: &Vec<u8>, sig_str: &Vec<u8>,
[INFO] [stderr] 47 | |                        tx_hash: Hash32) -> Result<bool, Box<dyn Error>> {
[INFO] [stderr] 48 | |     let sign = EcdsaSig::from_der(&sig_str)?;
[INFO] [stderr] 49 | |     let group = EcGroup::from_curve_name(Nid::SECP256K1)?;
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     Ok(sign.verify(&tx_hash, &key)?)
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sig`
[INFO] [stderr]   --> src/transaction.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn sig(&self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pubkey`
[INFO] [stderr]   --> src/transaction.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn pubkey(&self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]   --> src/block.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mine`
[INFO] [stderr]   --> src/block.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn mine(&mut self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]   --> src/variable_integer.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn from_bytes(bytes: &[u8]) -> Result<u64, Box<dyn Error>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/merkle_tree.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn height(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/script.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Array(Vec<u8>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/script.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Bool(bool)
[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:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct ScriptResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_push`
[INFO] [stderr]   --> src/script.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn op_push(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_dup`
[INFO] [stderr]   --> src/script.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn op_dup(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_hash160`
[INFO] [stderr]   --> src/script.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn op_hash160(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_equal`
[INFO] [stderr]   --> src/script.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn op_equal(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_verify`
[INFO] [stderr]   --> src/script.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn op_verify(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_equalverify`
[INFO] [stderr]   --> src/script.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn op_equalverify(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_checksig`
[INFO] [stderr]   --> src/script.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn op_checksig(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_next_instruction`
[INFO] [stderr]    --> src/script.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     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:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     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:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn build_op_map(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/script.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn new(tx_new: Box<Transaction>, input_index: usize, tx_prev_out: Box<TxOutput>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec`
[INFO] [stderr]    --> src/script.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn exec(&mut self) -> ScriptResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NetAddr`
[INFO] [stderr]  --> src/network.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct NetAddr {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/network.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new(time: u32, services: u64, ip: net::Ipv6Addr, port: u16) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NetAddrVersion`
[INFO] [stderr]   --> src/network.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct NetAddrVersion {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/network.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(services: u64, ip: net::Ipv6Addr, port: u16) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageVersion`
[INFO] [stderr]   --> src/message/version.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MessageVersion {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/version.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     fn new(version: u32, services: u64, timestamp: u64,
[INFO] [stderr] 64 | |            addr_recv: network::NetAddrVersion,
[INFO] [stderr] 65 | |            addr_from: network::NetAddrVersion,
[INFO] [stderr] 66 | |            nonce: u64, user_agent: String, start_height: u32) -> Self {
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |         }
[INFO] [stderr] 78 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageGetAddr`
[INFO] [stderr]  --> src/message/getaddr.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct MessageGetAddr {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/getaddr.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageGetBlocks`
[INFO] [stderr]  --> src/message/getblocks.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct MessageGetBlocks {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/getblocks.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     pub fn new(version: u32, block_locator_hashes: Vec<crypto::Hash32>,
[INFO] [stderr] 61 | |                hash_stop: crypto::Hash32) -> Self {
[INFO] [stderr] 62 | |         MessageGetBlocks {
[INFO] [stderr] 63 | |             version,
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |         }
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_MAIN`
[INFO] [stderr]  --> src/message/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const MAGIC_MAIN: u32 = 0xD9B4BEF9;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_TESTNET`
[INFO] [stderr]  --> src/message/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const MAGIC_TESTNET: u32 = 0xDAB5BFFA;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_TESTNET3`
[INFO] [stderr]   --> src/message/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | 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:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const MAGIC_NAMECOIN: u32 = 0xFEB4BEF9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_NETWORK`
[INFO] [stderr]   --> src/message/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const NODE_NETWORK: u64 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NODE_GETUTXO`
[INFO] [stderr]   --> src/message/mod.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | 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:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | 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:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | 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:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const NODE_NETWORK_LIMITED: u64 = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Message`
[INFO] [stderr]   --> src/message/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Message<T: MessageCommand> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/message/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(magic: u32, command: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bytes`
[INFO] [stderr]   --> src/message/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn bytes(&self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `"docker" "inspect" "486bf13fb6265ebe26b24e23d40739e7bafd28e375b038bc749096f890983268"`
[INFO] running `"docker" "rm" "-f" "486bf13fb6265ebe26b24e23d40739e7bafd28e375b038bc749096f890983268"`
[INFO] [stdout] 486bf13fb6265ebe26b24e23d40739e7bafd28e375b038bc749096f890983268
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vruello/yasbit:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13941e2563f6a5247b246eee7bfed2ffea43d73ee05d00d1a010495eeab4eae0
[INFO] running `"docker" "start" "-a" "13941e2563f6a5247b246eee7bfed2ffea43d73ee05d00d1a010495eeab4eae0"`
[INFO] [stderr]    Compiling yasbit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::network`
[INFO] [stderr]  --> src/message/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::network;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `private_key_bytes`
[INFO] [stderr]   --> src/crypto.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let private_key_bytes = private_key.to_vec();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_private_key_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hash`
[INFO] [stderr]    --> src/crypto.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let hash = to_hash32(&data).unwrap();
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]   --> src/block.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mine`
[INFO] [stderr]   --> src/block.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn mine(&mut self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_TESTNET`
[INFO] [stderr]  --> src/message/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const MAGIC_TESTNET: u32 = 0xDAB5BFFA;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAGIC_TESTNET3`
[INFO] [stderr]   --> src/message/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | 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:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | 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:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | 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:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | 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:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | 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:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const NODE_NETWORK_LIMITED: u64 = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "13941e2563f6a5247b246eee7bfed2ffea43d73ee05d00d1a010495eeab4eae0"`
[INFO] running `"docker" "rm" "-f" "13941e2563f6a5247b246eee7bfed2ffea43d73ee05d00d1a010495eeab4eae0"`
[INFO] [stdout] 13941e2563f6a5247b246eee7bfed2ffea43d73ee05d00d1a010495eeab4eae0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vruello/yasbit:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3a53cf6756b6b5e34f1ee865f9a295906b2d7872a40387459d07ce1d01fc03fb
[INFO] running `"docker" "start" "-a" "3a53cf6756b6b5e34f1ee865f9a295906b2d7872a40387459d07ce1d01fc03fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yasbit-439ee861387a3a52
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test block::tests::genesis_block ... ok
[INFO] [stdout] test block::tests::block_502871 ... ok
[INFO] [stdout] test crypto::tests::test_hash32 ... ok
[INFO] [stdout] test crypto::tests::test_to_hash32 ... ok
[INFO] [stdout] test merkle_tree::tests::test_height ... ok
[INFO] [stdout] test merkle_tree::tests::test_one_elt ... ok
[INFO] [stdout] test merkle_tree::tests::test_new ... ok
[INFO] [stdout] test merkle_tree::tests::test_three_elts_and_layers ... ok
[INFO] [stdout] test merkle_tree::tests::test_two_elts ... ok
[INFO] [stdout] test message::getaddr::tests::test_message_get_addr ... ok
[INFO] [stdout] test crypto::tests::test_check_signature_compressed ... ok
[INFO] [stdout] test crypto::tests::test_hash20 ... ok
[INFO] [stdout] test network::tests::test_net_addr ... ok
[INFO] [stdout] test message::version::tests::test_message_version ... ok
[INFO] [stdout] test crypto::tests::test_check_signature_uncompressed ... ok
[INFO] [stdout] test message::tests::test_message ... ok
[INFO] [stdout] test script::tests::test_checksig_1 ... ok
[INFO] [stdout] test network::tests::test_net_addr_version ... ok
[INFO] [stdout] test message::getblocks::tests::test_message_get_blocks_bitcoin_org ... ok
[INFO] [stdout] test message::getblocks::tests::test_message_get_blocks_empty ... ok
[INFO] [stdout] test script::tests::test_checksig_2 ... ok
[INFO] [stdout] test script::tests::test_equal ... ok
[INFO] [stdout] test script::tests::test_dup ... ok
[INFO] [stdout] test script::tests::test_verify ... ok
[INFO] [stdout] test crypto::tests::test_generate_keys_sign_verify ... ok
[INFO] [stdout] test script::tests::test_hash160 ... ok
[INFO] [stdout] test script::tests::test_equalverify ... ok
[INFO] [stdout] test script::tests::test_push ... ok
[INFO] [stdout] test transaction::tests::genesis_block_transaction ... ok
[INFO] [stdout] test variable_integer::tests::test_16 ... ok
[INFO] [stdout] test script::tests::test_script_struct ... ok
[INFO] [stdout] test variable_integer::tests::test_32 ... ok
[INFO] [stdout] test variable_integer::tests::test_64 ... ok
[INFO] [stdout] test variable_integer::tests::test_8 ... ok
[INFO] [stdout] test transaction::tests::block_125552_60c25 ... ok
[INFO] [stdout] test variable_integer::tests::test_invalid_array ... ok
[INFO] [stdout] test crypto::tests::test_to_hash32_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yasbit-2da6aa99b8df0adc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yasbit
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3a53cf6756b6b5e34f1ee865f9a295906b2d7872a40387459d07ce1d01fc03fb"`
[INFO] running `"docker" "rm" "-f" "3a53cf6756b6b5e34f1ee865f9a295906b2d7872a40387459d07ce1d01fc03fb"`
[INFO] [stdout] 3a53cf6756b6b5e34f1ee865f9a295906b2d7872a40387459d07ce1d01fc03fb