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Memory limited without swap. [INFO] [stdout] 284232b2c8afe64886625fbeaaff1cb508d6543561759321a3db73dc8d9e1070 [INFO] running `"docker" "start" "-a" "284232b2c8afe64886625fbeaaff1cb508d6543561759321a3db73dc8d9e1070"` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling protobuf v2.0.6 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking untrusted v0.7.0 [INFO] [stderr] Checking hashbrown v0.5.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Checking data-encoding v2.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Compiling ring v0.16.11 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking num-complex v0.2.4 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking num-bigint v0.2.6 [INFO] [stderr] Checking tar v0.4.26 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking slog-scope v4.3.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking png v0.15.3 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking slog-async v2.5.0 [INFO] [stderr] Checking slog-stdlog v4.0.0 [INFO] [stderr] Checking slog-term v2.5.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking slog-envlogger v2.2.0 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling getset v0.0.7 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking image v0.23.0 [INFO] [stderr] Compiling protobuf-codegen v2.0.6 [INFO] [stderr] Compiling protobuf-build v0.8.0 [INFO] [stderr] Compiling raft-proto v0.6.0-alpha [INFO] [stderr] Checking raft v0.6.0-alpha [INFO] [stderr] Checking rust-cookbook-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs::create_dir_all` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fs::create_dir_all; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `bail` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:7:14 [INFO] [stderr] | [INFO] [stderr] 7 | use anyhow::{bail, Error, Result}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MatchOptions`, `glob_with` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | use glob::{glob_with, MatchOptions}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | (x + y) [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `slog::Drain` [INFO] [stderr] --> src/raft/five_mem_node.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use slog::Drain; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `HashMap`, `VecDeque` [INFO] [stderr] --> src/raft/five_mem_node.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::{HashMap, VecDeque}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `SyncSender`, `TryRecvError`, `self` [INFO] [stderr] --> src/raft/five_mem_node.rs:5:23 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::mpsc::{self, Receiver, Sender, SyncSender, TryRecvError}; [INFO] [stderr] | ^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/raft/five_mem_node.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/raft/five_mem_node.rs:7:17 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `str`, `thread` [INFO] [stderr] --> src/raft/five_mem_node.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use std::{str, thread}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `protobuf::Message as PbMessage` [INFO] [stderr] --> src/raft/five_mem_node.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use protobuf::Message as PbMessage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `raft::storage::MemStorage` [INFO] [stderr] --> src/raft/five_mem_node.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use raft::storage::MemStorage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `StateRole`, `prelude::*` [INFO] [stderr] --> src/raft/five_mem_node.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | use raft::{prelude::*, StateRole}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `regex::Regex` [INFO] [stderr] --> src/raft/five_mem_node.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use regex::Regex; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::create_dir_all` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fs::create_dir_all; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `bail` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:7:14 [INFO] [stderr] | [INFO] [stderr] 7 | use anyhow::{bail, Error, Result}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MatchOptions`, `glob_with` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | use glob::{glob_with, MatchOptions}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | (x + y) [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `slog::Drain` [INFO] [stderr] --> src/raft/five_mem_node.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use slog::Drain; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `HashMap`, `VecDeque` [INFO] [stderr] --> src/raft/five_mem_node.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::{HashMap, VecDeque}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `SyncSender`, `TryRecvError`, `self` [INFO] [stderr] --> src/raft/five_mem_node.rs:5:23 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::mpsc::{self, Receiver, Sender, SyncSender, TryRecvError}; [INFO] [stderr] | ^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/raft/five_mem_node.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/raft/five_mem_node.rs:7:17 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `str`, `thread` [INFO] [stderr] --> src/raft/five_mem_node.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use std::{str, thread}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `protobuf::Message as PbMessage` [INFO] [stderr] --> src/raft/five_mem_node.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use protobuf::Message as PbMessage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `raft::storage::MemStorage` [INFO] [stderr] --> src/raft/five_mem_node.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use raft::storage::MemStorage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `StateRole`, `prelude::*` [INFO] [stderr] --> src/raft/five_mem_node.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | use raft::{prelude::*, StateRole}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `regex::Regex` [INFO] [stderr] --> src/raft/five_mem_node.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use regex::Regex; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `error_chain::ChainedError` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use error_chain::ChainedError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/raft/single_node.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | for msg in msgs { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/raft/single_node.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | for msg in msgs { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: variable `last_apply_index` is assigned to, but never used [INFO] [stderr] --> src/raft/single_node.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let mut last_apply_index = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_last_apply_index` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `last_apply_index` is never read [INFO] [stderr] --> src/raft/single_node.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | last_apply_index = entry.index; [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 import: `error_chain::ChainedError` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use error_chain::ChainedError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/raft/single_node.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | for msg in msgs { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/raft/single_node.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | for msg in msgs { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: variable `last_apply_index` is assigned to, but never used [INFO] [stderr] --> src/raft/single_node.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let mut last_apply_index = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_last_apply_index` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `last_apply_index` is never read [INFO] [stderr] --> src/raft/single_node.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | last_apply_index = entry.index; [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: function is never used: `gen_rand_num` [INFO] [stderr] --> src/algorithms/gen_rand.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn gen_rand_num() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num` [INFO] [stderr] --> src/algorithms/gen_rand.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn gen_rand_num() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_in_range` [INFO] [stderr] --> src/algorithms/gen_rand.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn gen_rand_num_in_range() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_in_range_faster` [INFO] [stderr] --> src/algorithms/gen_rand.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn gen_rand_num_in_range_faster() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_with_distribution` [INFO] [stderr] --> src/algorithms/gen_rand.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn gen_rand_num_with_distribution() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_of_custom_type` [INFO] [stderr] --> src/algorithms/gen_rand.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn gen_rand_num_of_custom_type() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_password` [INFO] [stderr] --> src/algorithms/gen_rand.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn gen_rand_password() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_password_from_user_defined` [INFO] [stderr] --> src/algorithms/gen_rand.rs:81:8 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn gen_rand_password_from_user_defined() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_int_vec` [INFO] [stderr] --> src/algorithms/sort_vec.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn sort_int_vec() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_in_range` [INFO] [stderr] --> src/algorithms/gen_rand.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn gen_rand_num_in_range() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_float_vec` [INFO] [stderr] --> src/algorithms/sort_vec.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn sort_float_vec() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decompress_tarball` [INFO] [stderr] --> src/compress/mod.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn decompress_tarball() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_in_range_faster` [INFO] [stderr] --> src/algorithms/gen_rand.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn gen_rand_num_in_range_faster() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compress_dir` [INFO] [stderr] --> src/compress/mod.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn compress_dir() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_with_distribution` [INFO] [stderr] --> src/algorithms/gen_rand.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn gen_rand_num_with_distribution() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decompress_tarball2` [INFO] [stderr] --> src/compress/mod.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn decompress_tarball2() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_num_of_custom_type` [INFO] [stderr] --> src/algorithms/gen_rand.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn gen_rand_num_of_custom_type() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_max` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn find_max(arr: &[i32]) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pass_data_in_two_threads` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn pass_data_in_two_threads() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:61:4 [INFO] [stderr] | [INFO] [stderr] 61 | fn insert(fruit: &str) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `maintain_global_mutable_state` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn maintain_global_mutable_state() -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_password` [INFO] [stderr] --> src/algorithms/gen_rand.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn gen_rand_password() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compute_digest` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:88:4 [INFO] [stderr] | [INFO] [stderr] 88 | fn compute_digest>(filepath: P) -> Result<(Digest, P), Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_rand_password_from_user_defined` [INFO] [stderr] --> src/algorithms/gen_rand.rs:81:8 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn gen_rand_password_from_user_defined() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_sha256_sum_of_iso_concurrently` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:103:8 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn calculate_sha256_sum_of_iso_concurrently() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_int_vec` [INFO] [stderr] --> src/algorithms/sort_vec.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn sort_int_vec() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `draw_fractal` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:130:8 [INFO] [stderr] | [INFO] [stderr] 130 | pub fn draw_fractal() -> Result<(), RecvError> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_float_vec` [INFO] [stderr] --> src/algorithms/sort_vec.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn sort_float_vec() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `julia` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:159:4 [INFO] [stderr] | [INFO] [stderr] 159 | fn julia(c: Complex, x: u32, y: u32, width: u32, height: u32, max_iter: u32) -> u32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decompress_tarball` [INFO] [stderr] --> src/compress/mod.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn decompress_tarball() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `normalize` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:179:4 [INFO] [stderr] | [INFO] [stderr] 179 | fn normalize(color: f32, factor: f32) -> u8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compress_dir` [INFO] [stderr] --> src/compress/mod.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn compress_dir() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `wavelength_to_rgb` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:183:4 [INFO] [stderr] | [INFO] [stderr] 183 | fn wavelength_to_rgb(wavelength: u32) -> Rgb { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decompress_tarball2` [INFO] [stderr] --> src/compress/mod.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn decompress_tarball2() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mutate_arr_element_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn mutate_arr_element_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_max` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn find_max(arr: &[i32]) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_parallel_predicate` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn test_parallel_predicate() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pass_data_in_two_threads` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn pass_data_in_two_threads() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_item_in_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn find_item_in_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:61:4 [INFO] [stderr] | [INFO] [stderr] 61 | fn insert(fruit: &str) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_vec_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn sort_vec_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `maintain_global_mutable_state` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn maintain_global_mutable_state() -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Person` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compute_digest` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:88:4 [INFO] [stderr] | [INFO] [stderr] 88 | fn compute_digest>(filepath: P) -> Result<(Digest, P), Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map_reduce_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn map_reduce_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_thumbnail` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:123:4 [INFO] [stderr] | [INFO] [stderr] 123 | fn make_thumbnail(original: PA, thumb_dir: PB, long_edge: u32) -> Result<()> [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_sha256_sum_of_iso_concurrently` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:103:8 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn calculate_sha256_sum_of_iso_concurrently() -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `salt_hash_password_with_pbkdf2` [INFO] [stderr] --> src/crypt/encryption.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn salt_hash_password_with_pbkdf2() -> Result<(), Unspecified> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `draw_fractal` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:130:8 [INFO] [stderr] | [INFO] [stderr] 130 | pub fn draw_fractal() -> Result<(), RecvError> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sha256_digest` [INFO] [stderr] --> src/crypt/hashing.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn sha256_digest(mut reader: R) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `julia` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:159:4 [INFO] [stderr] | [INFO] [stderr] 159 | fn julia(c: Complex, x: u32, y: u32, width: u32, height: u32, max_iter: u32) -> u32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_sha256_digest_of_file` [INFO] [stderr] --> src/crypt/hashing.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn calculate_sha256_digest_of_file() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `normalize` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:179:4 [INFO] [stderr] | [INFO] [stderr] 179 | fn normalize(color: f32, factor: f32) -> u8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sign_verify_message_with_hmac_digest` [INFO] [stderr] --> src/crypt/hashing.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn sign_verify_message_with_hmac_digest() -> Result<(), Unspecified> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `wavelength_to_rgb` [INFO] [stderr] --> src/concurrency/explicit_threads.rs:183:4 [INFO] [stderr] | [INFO] [stderr] 183 | fn wavelength_to_rgb(wavelength: u32) -> Rgb { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `literals_operators` [INFO] [stderr] --> src/examples/literals_operators.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn literals_operators() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mutate_arr_element_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn mutate_arr_element_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map` [INFO] [stderr] --> src/exercises/accumulate.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn map(values: Vec, mut f: F) -> Vec [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_parallel_predicate` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn test_parallel_predicate() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `do_twice` [INFO] [stderr] --> src/exercises/accumulate.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn do_twice(mut func: F) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `abbreviate` [INFO] [stderr] --> src/exercises/acronym.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn abbreviate(phrase: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_item_in_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn find_item_in_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `split_camel` [INFO] [stderr] --> src/exercises/acronym.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn split_camel(phrase: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_vec_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn sort_vec_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `word_count` [INFO] [stderr] --> src/exercises/word_count.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn word_count(input: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Person` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map_reduce_parallel` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn map_reduce_parallel() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_thumbnail` [INFO] [stderr] --> src/concurrency/parallel_tasks.rs:123:4 [INFO] [stderr] | [INFO] [stderr] 123 | fn make_thumbnail(original: PA, thumb_dir: PB, long_edge: u32) -> Result<()> [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `salt_hash_password_with_pbkdf2` [INFO] [stderr] --> src/crypt/encryption.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn salt_hash_password_with_pbkdf2() -> Result<(), Unspecified> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sha256_digest` [INFO] [stderr] --> src/crypt/hashing.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn sha256_digest(mut reader: R) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_sha256_digest_of_file` [INFO] [stderr] --> src/crypt/hashing.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn calculate_sha256_digest_of_file() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sign_verify_message_with_hmac_digest` [INFO] [stderr] --> src/crypt/hashing.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn sign_verify_message_with_hmac_digest() -> Result<(), Unspecified> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `literals_operators` [INFO] [stderr] --> src/examples/literals_operators.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn literals_operators() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_func` [INFO] [stderr] --> src/main.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn main_func() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map` [INFO] [stderr] --> src/exercises/accumulate.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn map(values: Vec, mut f: F) -> Vec [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `do_twice` [INFO] [stderr] --> src/exercises/accumulate.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn do_twice(mut func: F) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `abbreviate` [INFO] [stderr] --> src/exercises/acronym.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn abbreviate(phrase: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `split_camel` [INFO] [stderr] --> src/exercises/acronym.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn split_camel(phrase: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `word_count` [INFO] [stderr] --> src/exercises/word_count.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn word_count(input: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_func` [INFO] [stderr] --> src/main.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn main_func() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 59 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 59 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 37s [INFO] running `"docker" "inspect" "284232b2c8afe64886625fbeaaff1cb508d6543561759321a3db73dc8d9e1070"` [INFO] running `"docker" "rm" "-f" "284232b2c8afe64886625fbeaaff1cb508d6543561759321a3db73dc8d9e1070"` [INFO] [stdout] 284232b2c8afe64886625fbeaaff1cb508d6543561759321a3db73dc8d9e1070