[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48b5fd47e83e5d16b397267cf03a0b9a10878fc8
[INFO] checking Kevingislason/rust_bitcoin_hardware_wallet_demos against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevingislason%2Frust_bitcoin_hardware_wallet_demos" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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-5/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 29cb6de643d544c52e31229b1e6c53d1ced1c806d0746e58434e54993c9c57cd
[INFO] running `"docker" "start" "-a" "29cb6de643d544c52e31229b1e6c53d1ced1c806d0746e58434e54993c9c57cd"`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking bech32 v0.7.1
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking bitcoin_hashes v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[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:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num_traits::identities::{One, Zero};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/ecc_helpers.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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 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: 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: type alias is never used: `HmacSha256`
[INFO] [stderr]   --> src/ecc.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | type HmacSha256 = Hmac<Sha256>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PrivateKey`
[INFO] [stderr]    --> src/ecc.rs:392:12
[INFO] [stderr]     |
[INFO] [stderr] 392 | pub struct PrivateKey {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/ecc.rs:398:3
[INFO] [stderr]     |
[INFO] [stderr] 398 |   pub fn new(secret: BigInt) -> PrivateKey {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sign`
[INFO] [stderr]    --> src/ecc.rs:403:3
[INFO] [stderr]     |
[INFO] [stderr] 403 |   pub fn sign(&self, z: &BigInt) -> Signature {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] warning: method is never used: `deterministic_k`
[INFO] [stderr]    --> src/ecc.rs:432:3
[INFO] [stderr]     |
[INFO] [stderr] 432 |   fn deterministic_k(&self, z: &BigInt) -> BigInt {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_hmac_result`
[INFO] [stderr]    --> src/ecc.rs:467:4
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn get_hmac_result(hmac_message: &[u8], hmac_varkey: &[u8; 32]) -> [u8; 32] {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct_long_hmac_message`
[INFO] [stderr]    --> src/ecc.rs:478:4
[INFO] [stderr]     |
[INFO] [stderr] 478 | fn construct_long_hmac_message(components: Vec<&[u8]>) -> [u8; 97] {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct_short_hmac_message`
[INFO] [stderr]    --> src/ecc.rs:492:4
[INFO] [stderr]     |
[INFO] [stderr] 492 | fn construct_short_hmac_message(components: Vec<&[u8]>) -> [u8; 33] {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_base58`
[INFO] [stderr]   --> src/ecc_helpers.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn decode_base58(s: String) -> Vec<u8> {
[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: function is never used: `decode_base58`
[INFO] [stderr]   --> src/ecc_helpers.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn decode_base58(s: String) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.17s
[INFO] running `"docker" "inspect" "29cb6de643d544c52e31229b1e6c53d1ced1c806d0746e58434e54993c9c57cd"`
[INFO] running `"docker" "rm" "-f" "29cb6de643d544c52e31229b1e6c53d1ced1c806d0746e58434e54993c9c57cd"`
[INFO] [stdout] 29cb6de643d544c52e31229b1e6c53d1ced1c806d0746e58434e54993c9c57cd