[INFO] cloning repository https://github.com/heety313/ironlog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heety313/ironlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheety313%2Fironlog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheety313%2Fironlog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df5fe4efd77674f03e9292870b758729b2fe6ede
[INFO] checking heety313/ironlog against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheety313%2Fironlog" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/heety313/ironlog
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/heety313/ironlog
[INFO] tweaked toml for git repo https://github.com/heety313/ironlog written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/heety313/ironlog on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/heety313/ironlog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] b5fea785de5c5e440ce3e86498257d96c7c76eee88c266c9b1d8054495a827ab
[INFO] running `Command { std: "docker" "start" "-a" "b5fea785de5c5e440ce3e86498257d96c7c76eee88c266c9b1d8054495a827ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5fea785de5c5e440ce3e86498257d96c7c76eee88c266c9b1d8054495a827ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fea785de5c5e440ce3e86498257d96c7c76eee88c266c9b1d8054495a827ab", kill_on_drop: false }`
[INFO] [stdout] b5fea785de5c5e440ce3e86498257d96c7c76eee88c266c9b1d8054495a827ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e694be00f766aba3a85908be037262f863475005bc2aa36cd468e62fa94242c1
[INFO] running `Command { std: "docker" "start" "-a" "e694be00f766aba3a85908be037262f863475005bc2aa36cd468e62fa94242c1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `rocket::http::ContentType`
[INFO] [stdout]  --> src/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rocket::http::ContentType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::form::FromForm`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rocket::form::FromForm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::serde::json::Json`
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rocket::serde::json::Json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir` and `include_dir`
[INFO] [stdout]  --> src/types.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use include_dir::{include_dir, Dir};
[INFO] [stdout]   |                   ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/types.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SqlitePool` and `sqlite::SqlitePoolOptions`
[INFO] [stdout]  --> src/types.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sqlx::{SqlitePool, sqlite::SqlitePoolOptions, Row};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::http::ContentType`
[INFO] [stdout]  --> src/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rocket::http::ContentType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::form::FromForm`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rocket::form::FromForm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::serde::json::Json`
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rocket::serde::json::Json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir` and `include_dir`
[INFO] [stdout]  --> src/types.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use include_dir::{include_dir, Dir};
[INFO] [stdout]   |                   ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/types.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SqlitePool` and `sqlite::SqlitePoolOptions`
[INFO] [stdout]  --> src/types.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sqlx::{SqlitePool, sqlite::SqlitePoolOptions, Row};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Row`
[INFO] [stdout]  --> src/types.rs:7:51
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sqlx::{SqlitePool, sqlite::SqlitePoolOptions, Row};
[INFO] [stdout]   |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Row`
[INFO] [stdout]  --> src/types.rs:7:51
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sqlx::{SqlitePool, sqlite::SqlitePoolOptions, Row};
[INFO] [stdout]   |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_queue`
[INFO] [stdout]    --> src/client_handler.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let log_queue = LogQueue::new(10000);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_queue`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/client_handler.rs:186:76
[INFO] [stdout]     |
[INFO] [stdout] 186 | async fn write_logs_to_database(logs: &[LogMessage], db_pool: &SqlitePool, config: &Config) {
[INFO] [stdout]     |                                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_pool`
[INFO] [stdout]    --> src/client_handler.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     db_pool: SqlitePool,
[INFO] [stdout]     |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/client_handler.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let index = LOG_INDEX.fetch_add(1, Ordering::SeqCst);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_queue`
[INFO] [stdout]    --> src/client_handler.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let log_queue = LogQueue::new(10000);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_queue`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/client_handler.rs:186:76
[INFO] [stdout]     |
[INFO] [stdout] 186 | async fn write_logs_to_database(logs: &[LogMessage], db_pool: &SqlitePool, config: &Config) {
[INFO] [stdout]     |                                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_pool`
[INFO] [stdout]    --> src/client_handler.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     db_pool: SqlitePool,
[INFO] [stdout]     |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/client_handler.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let index = LOG_INDEX.fetch_add(1, Ordering::SeqCst);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `LogStats` is more private than the item `handle_client`
[INFO] [stdout]    --> src/client_handler.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | / pub async fn handle_client(
[INFO] [stdout] 124 | |     socket: TcpStream,
[INFO] [stdout] 125 | |     db_pool: SqlitePool,
[INFO] [stdout] 126 | |     config: Arc<Config>,
[INFO] [stdout] 127 | |     log_stats: Arc<Mutex<LogStats>>,
[INFO] [stdout] 128 | |     log_sender: mpsc::Sender<LogMessage>,
[INFO] [stdout] 129 | | ) {
[INFO] [stdout]     | |_^ function `handle_client` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `LogStats` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/client_handler.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | struct LogStats {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `server_addr` is never read
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TcpLogger {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     server_addr: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `queue` and `max_size` are never read
[INFO] [stdout]   --> src/client_handler.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct LogQueue {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 21 |     queue: VecDeque<LogMessage>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     max_size: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/client_handler.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LogQueue {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn push(&mut self, log: LogMessage) -> Option<LogMessage> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `LogStats` is more private than the item `handle_client`
[INFO] [stdout]    --> src/client_handler.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | / pub async fn handle_client(
[INFO] [stdout] 124 | |     socket: TcpStream,
[INFO] [stdout] 125 | |     db_pool: SqlitePool,
[INFO] [stdout] 126 | |     config: Arc<Config>,
[INFO] [stdout] 127 | |     log_stats: Arc<Mutex<LogStats>>,
[INFO] [stdout] 128 | |     log_sender: mpsc::Sender<LogMessage>,
[INFO] [stdout] 129 | | ) {
[INFO] [stdout]     | |_^ function `handle_client` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `LogStats` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/client_handler.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | struct LogStats {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `server_addr` is never read
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TcpLogger {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     server_addr: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `queue` and `max_size` are never read
[INFO] [stdout]   --> src/client_handler.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct LogQueue {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 21 |     queue: VecDeque<LogMessage>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     max_size: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/client_handler.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LogQueue {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn push(&mut self, log: LogMessage) -> Option<LogMessage> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/bin/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/bin/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `default_timestamp` is never used
[INFO] [stdout]   --> src/bin/main.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn default_timestamp() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_files` is never used
[INFO] [stdout]    --> src/bin/main.rs:249:4
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn list_files() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]    --> src/bin/main.rs:196:11
[INFO] [stdout]     |
[INFO] [stdout] 196 |     hash: &str,
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ironlog` (bin "ironlog" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `default_timestamp` is never used
[INFO] [stdout]   --> src/bin/main.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn default_timestamp() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_files` is never used
[INFO] [stdout]    --> src/bin/main.rs:249:4
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn list_files() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]    --> src/bin/main.rs:196:11
[INFO] [stdout]     |
[INFO] [stdout] 196 |     hash: &str,
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ironlog` (bin "ironlog") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e694be00f766aba3a85908be037262f863475005bc2aa36cd468e62fa94242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e694be00f766aba3a85908be037262f863475005bc2aa36cd468e62fa94242c1", kill_on_drop: false }`
[INFO] [stdout] e694be00f766aba3a85908be037262f863475005bc2aa36cd468e62fa94242c1
