[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] testing SaurabhGoyal/rust_labs/70a7da1c9a074a20d8c38836a55052111def4f0c against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaurabhGoyal%2Frust_labs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaurabhGoyal/rust_labs on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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-4-tc2/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" "+nightly-2024-10-28" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 133e613890958eb57c42b942e5170cde718d01c7c3f696921099e356d3400932
[INFO] running `Command { std: "docker" "start" "-a" "133e613890958eb57c42b942e5170cde718d01c7c3f696921099e356d3400932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133e613890958eb57c42b942e5170cde718d01c7c3f696921099e356d3400932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133e613890958eb57c42b942e5170cde718d01c7c3f696921099e356d3400932", kill_on_drop: false }`
[INFO] [stdout] 133e613890958eb57c42b942e5170cde718d01c7c3f696921099e356d3400932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92fa81d2280ab79f79ae2a9e2b27cc9f2014ae471c61b349518ca01123298df
[INFO] running `Command { std: "docker" "start" "-a" "f92fa81d2280ab79f79ae2a9e2b27cc9f2014ae471c61b349518ca01123298df", 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 autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling threadpool v0.1.0 (/opt/rustwide/workdir/crates/threadpool)
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling tiny_shell v0.1.0 (/opt/rustwide/workdir/crates/tiny_shell)
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[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] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/crates/guessing_game)
[INFO] [stderr]    Compiling unbricked v0.1.0 (/opt/rustwide/workdir/crates/unbricked)
[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] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir/crates/sudoku_solver)
[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]    Compiling sysinfo v0.30.12
[INFO] [stderr]    Compiling regex v1.10.5
[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]    Compiling sysinfo_cli v0.1.0 (/opt/rustwide/workdir/crates/sysinfo_cli)
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling conc_adder v0.1.0 (/opt/rustwide/workdir/crates/conc_adder)
[INFO] [stderr]    Compiling win_tree v0.1.4 (/opt/rustwide/workdir/crates/win_tree)
[INFO] [stderr]    Compiling 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] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "f92fa81d2280ab79f79ae2a9e2b27cc9f2014ae471c61b349518ca01123298df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92fa81d2280ab79f79ae2a9e2b27cc9f2014ae471c61b349518ca01123298df", kill_on_drop: false }`
[INFO] [stdout] f92fa81d2280ab79f79ae2a9e2b27cc9f2014ae471c61b349518ca01123298df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28fcf3473a75e938de8ac9adcb5f66159098444aa8c66828144b6638beca55b7
[INFO] running `Command { std: "docker" "start" "-a" "28fcf3473a75e938de8ac9adcb5f66159098444aa8c66828144b6638beca55b7", 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 threadpool v0.1.0 (/opt/rustwide/workdir/crates/threadpool)
[INFO] [stderr]    Compiling tiny_shell v0.1.0 (/opt/rustwide/workdir/crates/tiny_shell)
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir/crates/sudoku_solver)
[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]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/crates/guessing_game)
[INFO] [stderr]    Compiling unbricked v0.1.0 (/opt/rustwide/workdir/crates/unbricked)
[INFO] [stderr]    Compiling sysinfo_cli v0.1.0 (/opt/rustwide/workdir/crates/sysinfo_cli)
[INFO] [stderr]    Compiling win_tree v0.1.4 (/opt/rustwide/workdir/crates/win_tree)
[INFO] [stderr]    Compiling conc_adder v0.1.0 (/opt/rustwide/workdir/crates/conc_adder)
[INFO] [stderr]    Compiling temp v0.1.0 (/opt/rustwide/workdir/crates/temp)
[INFO] [stderr]    Compiling cprs v0.1.0 (/opt/rustwide/workdir/crates/cprs)
[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: 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: 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: 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: 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "28fcf3473a75e938de8ac9adcb5f66159098444aa8c66828144b6638beca55b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fcf3473a75e938de8ac9adcb5f66159098444aa8c66828144b6638beca55b7", kill_on_drop: false }`
[INFO] [stdout] 28fcf3473a75e938de8ac9adcb5f66159098444aa8c66828144b6638beca55b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc3fb1e07df8162c695bf237d92244f6876f170f8ba68d24a6f34ccf1887baf4
[INFO] running `Command { std: "docker" "start" "-a" "bc3fb1e07df8162c695bf237d92244f6876f170f8ba68d24a6f34ccf1887baf4", 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] warning: field `buf` is never read
[INFO] [stderr]   --> crates/sudoku_solver/src/sudoku.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct SudokuSolver {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 36 |     buf: String,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]  --> crates/threadpool/src/main.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let (p, job_q, result_q) = ThreadPool::new::<u64>(8);
[INFO] [stderr]   |          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku_solver` (lib) generated 1 warning
[INFO] [stderr] warning: `sudoku_solver` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `threadpool` (bin "threadpool" test) generated 1 warning
[INFO] [stderr] warning: field `index` is never read
[INFO] [stderr]   --> crates/unbricked/src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | struct Cell {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] 40 |     index: Pair,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `length` is never read
[INFO] [stderr]   --> crates/unbricked/src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct Bat {
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] 51 |     index: Pair,
[INFO] [stderr] 52 |     length: usize,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `unbricked` (bin "unbricked" test) generated 2 warnings
[INFO] [stderr] warning: trait `Actor` is never used
[INFO] [stderr]  --> crates/temp/src/actor.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Actor {
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Executor` is never constructed
[INFO] [stderr]  --> crates/temp/src/actor.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Executor {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `run` is never used
[INFO] [stderr]   --> crates/temp/src/actor.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Executor {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 13 |     pub fn run(&mut self) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Timer` is never constructed
[INFO] [stderr]   --> crates/temp/src/actor.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Timer {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> crates/temp/src/actor.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl Timer {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 30 |     fn new(dur_ms: u64) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> crates/temp/src/actor.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]  --> crates/temp/src/hashing.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Future` is never used
[INFO] [stderr]  --> crates/temp/src/simple_future.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Future {
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Poll` is never used
[INFO] [stderr]  --> crates/temp/src/simple_future.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Poll {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Executor` is never constructed
[INFO] [stderr]   --> crates/temp/src/simple_future.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Executor {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `run` is never used
[INFO] [stderr]   --> crates/temp/src/simple_future.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Executor {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 17 |     pub fn run(&mut self) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Timer` is never constructed
[INFO] [stderr]   --> crates/temp/src/simple_future.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct Timer {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> crates/temp/src/simple_future.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Timer {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 44 |     fn new(dur_ms: u64, max_ms: u64) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> crates/temp/src/simple_future.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]  --> crates/temp/src/tcp_concurrency.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> crates/temp/src/tokio_single_thread.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | async fn main() {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> crates/temp/src/tokio_single_thread.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `temp` (bin "temp" test) generated 17 warnings
[INFO] [stderr] warning: fields `total_count` and `folder_count` are never read
[INFO] [stderr]   --> crates/cprs/src/main.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct State {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 78 |     total_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 79 |     file_count: u64,
[INFO] [stderr] 80 |     folder_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cprs` (bin "cprs" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/conc_adder-e65b6727c32c4b97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cprs-0cdf510bbc01bc0b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-06d8171a91cfc13c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_solver-86afe886f9a615c8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::correctness ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::correctness stdout ----
[INFO] [stdout] thread 'tests::correctness' panicked at crates/sudoku_solver/src/lib.rs:17:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ffc0850e38a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5ffc0850e38a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5ffc0850e38a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ffc0850e38a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ffc08534a33 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5ffc08534a33 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x5ffc0850aff3 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5ffc0850e1d2 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5ffc0850f81a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5ffc0850f624 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5ffc084d8c29 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5ffc084d8c29 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5ffc0850ff18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5ffc0850ff18 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5ffc0850fcda - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5ffc0850e869 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5ffc0850f96c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5ffc08533490 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x5ffc08533836 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   19:     0x5ffc0846db8e - core::result::Result<T,E>::unwrap::h8e948ff5bb7bbc89
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1103:23
[INFO] [stdout]   20:     0x5ffc0846db8e - sudoku_solver::tests::correctness::hbbd6c2abc141da1b
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/sudoku_solver/src/lib.rs:13:26
[INFO] [stdout]   21:     0x5ffc0846dae7 - sudoku_solver::tests::correctness::{{closure}}::h894da515d953f9fd
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/sudoku_solver/src/lib.rs:12:21
[INFO] [stdout]   22:     0x5ffc08465846 - core::ops::function::FnOnce::call_once::h59c5cdc4623e0371
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ffc084dd4fb - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ffc084dd4fb - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5ffc084dce77 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5ffc084dce77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5ffc084dce77 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5ffc084dce77 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5ffc084dce77 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5ffc084dce77 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5ffc084dce77 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5ffc084a0594 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5ffc084a0594 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5ffc084a3d3e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x5ffc084a3d3e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5ffc084a3d3e - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5ffc084a3d3e - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5ffc084a3d3e - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5ffc084a3d3e - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x5ffc084a3d3e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ffc08513d0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5ffc08513d0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5ffc08513d0b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7355ae248ac3 - <unknown>
[INFO] [stdout]   45:     0x7355ae2d9a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::correctness
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p sudoku_solver --lib`
[INFO] running `Command { std: "docker" "inspect" "bc3fb1e07df8162c695bf237d92244f6876f170f8ba68d24a6f34ccf1887baf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3fb1e07df8162c695bf237d92244f6876f170f8ba68d24a6f34ccf1887baf4", kill_on_drop: false }`
[INFO] [stdout] bc3fb1e07df8162c695bf237d92244f6876f170f8ba68d24a6f34ccf1887baf4
