[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 against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaurabhGoyal%2Frust_labs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SaurabhGoyal/rust_labs on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "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]   |
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 821a7db3d2e3ba1053acdbf27ee2c0d864f3ea01bbd256564b0240ba1fb20356
[INFO] running `Command { std: "docker" "start" "-a" "821a7db3d2e3ba1053acdbf27ee2c0d864f3ea01bbd256564b0240ba1fb20356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "821a7db3d2e3ba1053acdbf27ee2c0d864f3ea01bbd256564b0240ba1fb20356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821a7db3d2e3ba1053acdbf27ee2c0d864f3ea01bbd256564b0240ba1fb20356", kill_on_drop: false }`
[INFO] [stdout] 821a7db3d2e3ba1053acdbf27ee2c0d864f3ea01bbd256564b0240ba1fb20356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57fa7bedf52aeb0aacda7be7c97692d68ffaa9f99b875b262630221d76772b7f
[INFO] running `Command { std: "docker" "start" "-a" "57fa7bedf52aeb0aacda7be7c97692d68ffaa9f99b875b262630221d76772b7f", 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]   |
[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 proc-macro2 v1.0.85
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink 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 serde_json v1.0.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling threadpool v0.1.0 (/opt/rustwide/workdir/crates/threadpool)
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling tiny_shell v0.1.0 (/opt/rustwide/workdir/crates/tiny_shell)
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling syn v2.0.66
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sysinfo v0.30.12
[INFO] [stderr]    Compiling sysinfo_cli v0.1.0 (/opt/rustwide/workdir/crates/sysinfo_cli)
[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 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 temp v0.1.0 (/opt/rustwide/workdir/crates/temp)
[INFO] [stderr]    Compiling win_tree v0.1.4 (/opt/rustwide/workdir/crates/win_tree)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.22s
[INFO] running `Command { std: "docker" "inspect" "57fa7bedf52aeb0aacda7be7c97692d68ffaa9f99b875b262630221d76772b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fa7bedf52aeb0aacda7be7c97692d68ffaa9f99b875b262630221d76772b7f", kill_on_drop: false }`
[INFO] [stdout] 57fa7bedf52aeb0aacda7be7c97692d68ffaa9f99b875b262630221d76772b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f89a0d82d32e3c858a381f52d37b0caabd1252db5b7cc6998b2557bac956b071
[INFO] running `Command { std: "docker" "start" "-a" "f89a0d82d32e3c858a381f52d37b0caabd1252db5b7cc6998b2557bac956b071", 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]   |
[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] [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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir/crates/sudoku_solver)
[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 temp v0.1.0 (/opt/rustwide/workdir/crates/temp)
[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 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "f89a0d82d32e3c858a381f52d37b0caabd1252db5b7cc6998b2557bac956b071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89a0d82d32e3c858a381f52d37b0caabd1252db5b7cc6998b2557bac956b071", kill_on_drop: false }`
[INFO] [stdout] f89a0d82d32e3c858a381f52d37b0caabd1252db5b7cc6998b2557bac956b071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c85635e1fbf03423e841c201620f0809ddb191d91f3006e326250c89667ee260
[INFO] running `Command { std: "docker" "start" "-a" "c85635e1fbf03423e841c201620f0809ddb191d91f3006e326250c89667ee260", 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]   |
[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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `threadpool` (bin "threadpool" test) generated 1 warning (run `cargo fix --bin "threadpool" -p threadpool --tests` to apply 1 suggestion)
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/conc_adder-eb02766965d2e587)
[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-98b6f3d7310c9560)
[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-ec402ebfcad786e9)
[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-ab2a667946fbc1ca)
[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] 
[INFO] [stdout] thread 'tests::correctness' (21) 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:     0x5e14ab0e6a78 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e14ab0e6a78 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e14ab0e6a78 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e14ab0e6a78 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e14ab0fa9da - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e14ab0fa9da - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5e14ab0eb292 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5e14ab0eb292 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5e14ab0c5826 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e14ab0c5826 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e14ab0dec19 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e14ab07a8dc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5e14ab07a8dc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5e14ab0dedd2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5e14ab0dedd2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e14ab0c58e2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5e14ab0bd129 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e14ab0c65fd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e14ab0fb10c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e14ab0faee2 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5e14ab05fbd7 - <core[5a1c3e9896636f3a]::result::Result<alloc[154f689e5dd3bae5]::string::String, std[d054f6f42beb1baa]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5e14ab05fbd7 - sudoku_solver[42fe3e4acf6a850c]::tests::correctness
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/sudoku_solver/src/lib.rs:17:10
[INFO] [stdout]   22:     0x5e14ab05f2d7 - sudoku_solver[42fe3e4acf6a850c]::tests::correctness::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/sudoku_solver/src/lib.rs:12:21
[INFO] [stdout]   23:     0x5e14ab051886 - <sudoku_solver[42fe3e4acf6a850c]::tests::correctness::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5e14ab06d9bb - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5e14ab06d9bb - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5e14ab07b235 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5e14ab07b235 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5e14ab07b235 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5e14ab07b235 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5e14ab07b235 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e14ab07b235 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5e14ab07b235 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5e14ab075d94 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5e14ab075d94 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5e14ab07e2b2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5e14ab07e2b2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5e14ab07e2b2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5e14ab07e2b2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5e14ab07e2b2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5e14ab07e2b2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5e14ab07e2b2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5e14ab0e609f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5e14ab0e609f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a4fb6297aa4 - <unknown>
[INFO] [stdout]   45:     0x7a4fb6324a64 - 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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p sudoku_solver --lib`
[INFO] running `Command { std: "docker" "inspect" "c85635e1fbf03423e841c201620f0809ddb191d91f3006e326250c89667ee260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85635e1fbf03423e841c201620f0809ddb191d91f3006e326250c89667ee260", kill_on_drop: false }`
[INFO] [stdout] c85635e1fbf03423e841c201620f0809ddb191d91f3006e326250c89667ee260
