[INFO] cloning repository https://github.com/SaurabhGoyal/rust_labs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaurabhGoyal/rust_labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaurabhGoyal%2Frust_labs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaurabhGoyal%2Frust_labs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70a7da1c9a074a20d8c38836a55052111def4f0c
[INFO] checking SaurabhGoyal/rust_labs/70a7da1c9a074a20d8c38836a55052111def4f0c against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaurabhGoyal%2Frust_labs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaurabhGoyal/rust_labs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaurabhGoyal/rust_labs
[INFO] finished tweaking git repo https://github.com/SaurabhGoyal/rust_labs
[INFO] tweaked toml for git repo https://github.com/SaurabhGoyal/rust_labs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SaurabhGoyal/rust_labs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysinfo v0.30.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b5b332e5e0dc7ef2aa008c3ae2a27f2dfcadb3f0af3d8a6a0e92ed1cf05f86
[INFO] running `Command { std: "docker" "start" "-a" "d0b5b332e5e0dc7ef2aa008c3ae2a27f2dfcadb3f0af3d8a6a0e92ed1cf05f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b5b332e5e0dc7ef2aa008c3ae2a27f2dfcadb3f0af3d8a6a0e92ed1cf05f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b5b332e5e0dc7ef2aa008c3ae2a27f2dfcadb3f0af3d8a6a0e92ed1cf05f86", kill_on_drop: false }`
[INFO] [stdout] d0b5b332e5e0dc7ef2aa008c3ae2a27f2dfcadb3f0af3d8a6a0e92ed1cf05f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c19de3656aba5bdcc9a12b04e0b217a4e6b20e4bd64721345f759d429cedbbd5
[INFO] running `Command { std: "docker" "start" "-a" "c19de3656aba5bdcc9a12b04e0b217a4e6b20e4bd64721345f759d429cedbbd5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking threadpool v0.1.0 (/opt/rustwide/workdir/crates/threadpool)
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking sysinfo v0.30.12
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir/crates/sudoku_solver)
[INFO] [stderr]     Checking unbricked v0.1.0 (/opt/rustwide/workdir/crates/unbricked)
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]   --> crates/sudoku_solver/src/sudoku.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct SudokuSolver {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 36 |     buf: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> crates/unbricked/src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 40 |     index: Pair,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `length` is never read
[INFO] [stdout]   --> crates/unbricked/src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Bat {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 51 |     index: Pair,
[INFO] [stdout] 52 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> crates/threadpool/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (p, job_q, result_q) = ThreadPool::new::<u64>(8);
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir/crates/guessing_game)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> crates/threadpool/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (p, job_q, result_q) = ThreadPool::new::<u64>(8);
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tiny_shell v0.1.0 (/opt/rustwide/workdir/crates/tiny_shell)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> crates/unbricked/src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 40 |     index: Pair,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `length` is never read
[INFO] [stdout]   --> crates/unbricked/src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Bat {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 51 |     index: Pair,
[INFO] [stdout] 52 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]   --> crates/sudoku_solver/src/sudoku.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct SudokuSolver {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 36 |     buf: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sysinfo_cli v0.1.0 (/opt/rustwide/workdir/crates/sysinfo_cli)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking conc_adder v0.1.0 (/opt/rustwide/workdir/crates/conc_adder)
[INFO] [stderr]     Checking temp v0.1.0 (/opt/rustwide/workdir/crates/temp)
[INFO] [stdout] warning: trait `Actor` is never used
[INFO] [stdout]  --> crates/temp/src/actor.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Actor {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]  --> crates/temp/src/actor.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Executor {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> crates/temp/src/actor.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Executor {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 13 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timer` is never constructed
[INFO] [stdout]   --> crates/temp/src/actor.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Timer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/temp/src/actor.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Timer {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 30 |     fn new(dur_ms: u64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> crates/temp/src/actor.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> crates/temp/src/hashing.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Future` is never used
[INFO] [stdout]  --> crates/temp/src/simple_future.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Future {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Poll` is never used
[INFO] [stdout]  --> crates/temp/src/simple_future.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Poll {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Executor {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Executor {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 17 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timer` is never constructed
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Timer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Timer {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 44 |     fn new(dur_ms: u64, max_ms: u64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> crates/temp/src/tcp_concurrency.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> crates/temp/src/tokio_single_thread.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> crates/temp/src/tokio_single_thread.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Actor` is never used
[INFO] [stdout]  --> crates/temp/src/actor.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Actor {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]  --> crates/temp/src/actor.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Executor {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> crates/temp/src/actor.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Executor {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 13 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timer` is never constructed
[INFO] [stdout]   --> crates/temp/src/actor.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Timer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/temp/src/actor.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Timer {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 30 |     fn new(dur_ms: u64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> crates/temp/src/actor.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> crates/temp/src/hashing.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Future` is never used
[INFO] [stdout]  --> crates/temp/src/simple_future.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Future {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Poll` is never used
[INFO] [stdout]  --> crates/temp/src/simple_future.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Poll {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Executor {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Executor {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 17 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timer` is never constructed
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Timer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Timer {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 44 |     fn new(dur_ms: u64, max_ms: u64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> crates/temp/src/simple_future.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> crates/temp/src/tcp_concurrency.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> crates/temp/src/tokio_single_thread.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> crates/temp/src/tokio_single_thread.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking win_tree v0.1.4 (/opt/rustwide/workdir/crates/win_tree)
[INFO] [stderr]     Checking cprs v0.1.0 (/opt/rustwide/workdir/crates/cprs)
[INFO] [stdout] warning: fields `total_count` and `folder_count` are never read
[INFO] [stdout]   --> crates/cprs/src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 78 |     total_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 79 |     file_count: u64,
[INFO] [stdout] 80 |     folder_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `total_count` and `folder_count` are never read
[INFO] [stdout]   --> crates/cprs/src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 78 |     total_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 79 |     file_count: u64,
[INFO] [stdout] 80 |     folder_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.30s
[INFO] running `Command { std: "docker" "inspect" "c19de3656aba5bdcc9a12b04e0b217a4e6b20e4bd64721345f759d429cedbbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19de3656aba5bdcc9a12b04e0b217a4e6b20e4bd64721345f759d429cedbbd5", kill_on_drop: false }`
[INFO] [stdout] c19de3656aba5bdcc9a12b04e0b217a4e6b20e4bd64721345f759d429cedbbd5