[INFO] updating cached repository https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[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] [stderr] From https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[INFO] [stderr]    48b5fd4..604d92b  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 604d92b5279387cebce5a1db65a0b37dd1addb66
[INFO] checking Kevingislason/rust_bitcoin_hardware_wallet_demos against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevingislason%2Frust_bitcoin_hardware_wallet_demos" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[INFO] finished tweaking git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[INFO] tweaked toml for git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9c7f664db9bdf5d2776aa2e4ef3aad148e63f5abdb4256e080287b251c0f8dc6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9c7f664db9bdf5d2776aa2e4ef3aad148e63f5abdb4256e080287b251c0f8dc6"`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking bech32 v0.7.1
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking bitcoin_hashes v0.7.1
[INFO] [stderr]     Checking bitcoin v0.19.2
[INFO] [stderr]     Checking rust_bitcoin_hardware_wallet_demos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `num::pow::pow`
[INFO] [stderr]   --> src/ecc.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use num::pow::pow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/ecc_helpers.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use num_traits::identities::{One, Zero};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/script.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeekFrom`
[INFO] [stderr]  --> src/script.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Cursor, Read, SeekFrom, Write};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]  --> src/tx.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::convert::TryFrom`
[INFO] [stderr]  --> src/tx.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use core::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::decode`
[INFO] [stderr]   --> src/tx.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hex::decode;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Zero`
[INFO] [stderr]   --> src/tx.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use num::Zero;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeekFrom`
[INFO] [stderr]   --> src/tx.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::{Cursor, Read, SeekFrom, Write};
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]  --> src/tx_helpers.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{BigEndian, ByteOrder, LittleEndian, ReadBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/ecc_helpers.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use num_traits::identities::{One, Zero};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/script.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeekFrom`
[INFO] [stderr]  --> src/script.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Cursor, Read, SeekFrom, Write};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]  --> src/tx.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::convert::TryFrom`
[INFO] [stderr]  --> src/tx.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use core::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::decode`
[INFO] [stderr]   --> src/tx.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hex::decode;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Zero`
[INFO] [stderr]   --> src/tx.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use num::Zero;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeekFrom`
[INFO] [stderr]   --> src/tx.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::{Cursor, Read, SeekFrom, Write};
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]  --> src/tx_helpers.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{BigEndian, ByteOrder, LittleEndian, ReadBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]   --> src/ecc.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | use sha2::{Digest, Sha256};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/script.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Cursor, Read, SeekFrom, Write};
[INFO] [stderr]   |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `prefix` is never read
[INFO] [stderr]    --> src/ecc.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut prefix = vec![];
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/ecc.rs:509:21
[INFO] [stderr]     |
[INFO] [stderr] 509 | fn fill_to_32_bytes(mut vector: Vec<u8>) -> [u8; 32] {
[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: private type `script::Opcode` in public interface (error E0446)
[INFO] [stderr]    --> src/script.rs:141:10
[INFO] [stderr]     |
[INFO] [stderr] 141 |   Opcode(Opcode),
[INFO] [stderr]     |          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wif`
[INFO] [stderr]    --> src/ecc.rs:414:3
[INFO] [stderr]     |
[INFO] [stderr] 414 |   pub fn wif(&self, compressed: bool, testnet: bool) -> String {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIGHASH_NONE`
[INFO] [stderr]   --> src/ecc_helpers.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SIGHASH_NONE: u8 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIGHASH_SINGLE`
[INFO] [stderr]   --> src/ecc_helpers.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const SIGHASH_SINGLE: u8 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `MAX_SCRIPT_ELEMENT_LENGTH`
[INFO] [stderr]   --> src/script.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |   pub const MAX_SCRIPT_ELEMENT_LENGTH: u16 = 520;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/script.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   pub fn parse(cursor: &mut Cursor<Vec<u8>>) -> Script {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `data_value`
[INFO] [stderr]    --> src/script.rs:146:3
[INFO] [stderr]     |
[INFO] [stderr] 146 |   pub fn data_value(&self) -> Vec<u8> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/tx.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |   pub fn parse(serialization: Vec<u8>, testnet: bool) -> Tx {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/tx.rs:182:3
[INFO] [stderr]     |
[INFO] [stderr] 182 |   pub fn parse(cursor: &mut Cursor<Vec<u8>>) -> TxIn {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/tx.rs:239:3
[INFO] [stderr]     |
[INFO] [stderr] 239 |   pub fn parse(cursor: &mut Cursor<Vec<u8>>) -> TxOut {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_varint`
[INFO] [stderr]  --> src/tx_helpers.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_varint(cursor: &mut Cursor<Vec<u8>>) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/script.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Cursor, Read, SeekFrom, Write};
[INFO] [stderr]   |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `prefix` is never read
[INFO] [stderr]    --> src/ecc.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut prefix = vec![];
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/ecc.rs:509:21
[INFO] [stderr]     |
[INFO] [stderr] 509 | fn fill_to_32_bytes(mut vector: Vec<u8>) -> [u8; 32] {
[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: private type `script::Opcode` in public interface (error E0446)
[INFO] [stderr]    --> src/script.rs:141:10
[INFO] [stderr]     |
[INFO] [stderr] 141 |   Opcode(Opcode),
[INFO] [stderr]     |          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIGHASH_NONE`
[INFO] [stderr]   --> src/ecc_helpers.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SIGHASH_NONE: u8 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIGHASH_SINGLE`
[INFO] [stderr]   --> src/ecc_helpers.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const SIGHASH_SINGLE: u8 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.82s
[INFO] running `"docker" "inspect" "9c7f664db9bdf5d2776aa2e4ef3aad148e63f5abdb4256e080287b251c0f8dc6"`
[INFO] running `"docker" "rm" "-f" "9c7f664db9bdf5d2776aa2e4ef3aad148e63f5abdb4256e080287b251c0f8dc6"`
[INFO] [stdout] 9c7f664db9bdf5d2776aa2e4ef3aad148e63f5abdb4256e080287b251c0f8dc6