[INFO] cloning repository https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevingislason%2Frust_bitcoin_hardware_wallet_demos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevingislason%2Frust_bitcoin_hardware_wallet_demos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3f36a6b856cce40e99f81289c96a8bca040a3cb [INFO] checking Kevingislason/rust_bitcoin_hardware_wallet_demos against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevingislason%2Frust_bitcoin_hardware_wallet_demos" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 025a40afd8cbd0792e9755c5ee9068a8512663da69519b66c426a7af0b2c1306 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "025a40afd8cbd0792e9755c5ee9068a8512663da69519b66c426a7af0b2c1306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "025a40afd8cbd0792e9755c5ee9068a8512663da69519b66c426a7af0b2c1306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "025a40afd8cbd0792e9755c5ee9068a8512663da69519b66c426a7af0b2c1306", kill_on_drop: false }` [INFO] [stdout] 025a40afd8cbd0792e9755c5ee9068a8512663da69519b66c426a7af0b2c1306 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6380770a901b99b74c56ce06491124ccb353de2c4ef067098e85751ce5900037 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6380770a901b99b74c56ce06491124ccb353de2c4ef067098e85751ce5900037", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking bech32 v0.7.2 [INFO] [stderr] Checking bitcoin_hashes v0.7.6 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking auto_ops v0.1.0 [INFO] [stderr] Checking genio v0.2.1 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking bigint v4.4.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Checking pbkdf2 v0.3.0 [INFO] [stderr] Checking ripemd160 v0.8.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Compiling secp256k1 v0.12.2 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking bitcoin v0.19.2 [INFO] [stderr] Checking rust_bitcoin_hardware_wallet_demos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `U256_from_hex_str` [INFO] [stdout] --> src/ecc.rs:9:56 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::helpers::{encode_base58_checksum, hash_160, U256_from_hex_str}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::pow::pow` [INFO] [stdout] --> src/ecc.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use num::pow::pow; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_160` [INFO] [stdout] --> src/hd_wallet.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::helpers::{hash_160, hmac_512}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryInto` [INFO] [stdout] --> src/helpers.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use core::convert::{From, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::hd_wallet::HDSeed` [INFO] [stdout] --> src/seed_phrase.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::hd_wallet::HDSeed; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_160` [INFO] [stdout] --> src/hd_wallet.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::helpers::{hash_160, hmac_512}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryInto` [INFO] [stdout] --> src/helpers.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use core::convert::{From, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Digest` [INFO] [stdout] --> src/ecc.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | use sha2::{Digest, Sha256}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prefix` is never read [INFO] [stdout] --> src/ecc.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | let mut prefix = vec![]; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extended_private_key` [INFO] [stdout] --> src/hd_wallet.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 134 | if let Some(extended_private_key) = self.hardened_children.get(&new_child_number) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extended_private_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extended_private_key` [INFO] [stdout] --> src/hd_wallet.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | if let Some(extended_private_key) = self.unhardened_children.get(&new_child_number) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extended_private_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word_index` [INFO] [stdout] --> src/seed_phrase.rs:93:10 [INFO] [stdout] | [INFO] [stdout] 93 | for (word_index, word) in self.words().iter().enumerate() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prefix` is never read [INFO] [stdout] --> src/ecc.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | let mut prefix = vec![]; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extended_private_key` [INFO] [stdout] --> src/hd_wallet.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 134 | if let Some(extended_private_key) = self.hardened_children.get(&new_child_number) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extended_private_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extended_private_key` [INFO] [stdout] --> src/hd_wallet.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | if let Some(extended_private_key) = self.unhardened_children.get(&new_child_number) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extended_private_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word_index` [INFO] [stdout] --> src/seed_phrase.rs:93:10 [INFO] [stdout] | [INFO] [stdout] 93 | for (word_index, word) in self.words().iter().enumerate() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ecc.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 288 | let mut y_bytes = vec![0; 32]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ecc.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 288 | let mut y_bytes = vec![0; 32]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hd_wallet.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let mut hardened_children = HashMap::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hd_wallet.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let mut unhardened_children = HashMap::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hd_wallet.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let mut hardened_children = HashMap::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hd_wallet.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let mut unhardened_children = HashMap::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/helpers.rs:123:7 [INFO] [stdout] | [INFO] [stdout] 123 | let mut combined = &combined[7..32]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/helpers.rs:123:7 [INFO] [stdout] | [INFO] [stdout] 123 | let mut combined = &combined[7..32]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `const_int_pow` [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_int_pow)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:248:5 [INFO] [stdout] | [INFO] [stdout] 248 | reader.read_exact(&mut version_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:250:5 [INFO] [stdout] | [INFO] [stdout] 250 | reader.read_exact(&mut fingerprint_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:252:5 [INFO] [stdout] | [INFO] [stdout] 252 | reader.read_exact(&mut chain_code_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | reader.read_exact(&mut private_key_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `U256_from_hex_str` should have a snake case name [INFO] [stdout] --> src/helpers.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 170 | pub fn U256_from_hex_str(hex_str: &str) -> U256 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `u256_from_hex_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_U256_from_hex_str` should have a snake case name [INFO] [stdout] --> src/helpers.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn test_U256_from_hex_str() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_u256_from_hex_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `max_U256` should have a snake case name [INFO] [stdout] --> src/helpers.rs:178:7 [INFO] [stdout] | [INFO] [stdout] 178 | let max_U256 = U256::MAX; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `max_u256` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `U256_max_str` should have a snake case name [INFO] [stdout] --> src/helpers.rs:179:7 [INFO] [stdout] | [INFO] [stdout] 179 | let U256_max_str = &"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `u256_max_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `const_int_pow` [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_int_pow)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_bitcoin_hardware_wallet_demos` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:248:5 [INFO] [stdout] | [INFO] [stdout] 248 | reader.read_exact(&mut version_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:250:5 [INFO] [stdout] | [INFO] [stdout] 250 | reader.read_exact(&mut fingerprint_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:252:5 [INFO] [stdout] | [INFO] [stdout] 252 | reader.read_exact(&mut chain_code_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/hd_wallet.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | reader.read_exact(&mut private_key_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `U256_from_hex_str` should have a snake case name [INFO] [stdout] --> src/helpers.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 170 | pub fn U256_from_hex_str(hex_str: &str) -> U256 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `u256_from_hex_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6380770a901b99b74c56ce06491124ccb353de2c4ef067098e85751ce5900037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6380770a901b99b74c56ce06491124ccb353de2c4ef067098e85751ce5900037", kill_on_drop: false }` [INFO] [stdout] 6380770a901b99b74c56ce06491124ccb353de2c4ef067098e85751ce5900037