[INFO] cloning repository https://github.com/matklad/arbring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/arbring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09098849eb5bb1524bb866c248262a867db401ad
[INFO] testing matklad/arbring against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matklad/arbring
[INFO] finished tweaking git repo https://github.com/matklad/arbring
[INFO] tweaked toml for git repo https://github.com/matklad/arbring written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matklad/arbring on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matklad/arbring 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `http://github.com/rust-fuzz/arbitrary`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbtest v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4
[INFO] running `Command { std: "docker" "start" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.3.2 (http://github.com/rust-fuzz/arbitrary#74122c8e)
[INFO] [stderr]    Compiling arbtest v0.3.1
[INFO] [stderr]    Compiling arbring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bank.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Queue {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `len` are never used
[INFO] [stdout]   --> src/lib.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Queue {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(size: usize) -> Queue {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn push(&mut self, n: i32) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   fn pop(&mut self) -> i32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BadCounter` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BadCounter {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `increment` and `get` are never used
[INFO] [stdout]   --> src/badcounter.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl BadCounter {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 17 |   fn increment(&self) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn get(&self) -> u32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> src/badcounter.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Shared {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get` and `block` are never used
[INFO] [stdout]   --> src/badcounter.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl Shared {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 75 |   fn get() -> Option<Arc<Shared>> {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   fn block(&self) {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicU32` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct AtomicU32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stdout]    --> src/badcounter.rs:98:6
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl AtomicU32 {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout]  98 |   fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `controlled_thread` is never used
[INFO] [stdout]    --> src/badcounter.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn controlled_thread<'scope, State: 'scope + Send>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ControlledThread` is never constructed
[INFO] [stdout]    --> src/badcounter.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct ControlledThread<'scope, State: 'scope> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `act`, `is_blocked`, and `unblock` are never used
[INFO] [stdout]    --> src/badcounter.rs:170:6
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl<'scope, State: 'scope> ControlledThread<'scope, State> {
[INFO] [stdout]     | ----------------------------------------------------------- methods in this implementation
[INFO] [stdout] 170 |   fn act(&mut self, f: impl FnOnce(&mut State) + Send + 'static) {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |   fn is_blocked(&self) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |   fn unblock(&mut self) {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AccountId` is never used
[INFO] [stdout]  --> src/bank.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AccountId = u64;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Balance` is never used
[INFO] [stdout]  --> src/bank.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Balance = u128;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bank` is never constructed
[INFO] [stdout]  --> src/bank.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bank {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/bank.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Bank {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |   pub const TREASURY: AccountId = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |   pub fn new() -> Bank {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn create_treasury(&mut self, treasury_balance: Balance) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   pub fn create_account(&mut self) -> AccountId {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn delete_account(&mut self, account_id: AccountId) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn get_accounts(&self) -> impl ExactSizeIterator<Item = AccountId> + '_ {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn lookup_balance(&self, account_id: AccountId) -> Balance {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |   pub fn transfer(&mut self, dr: AccountId, cr: AccountId, amount: Balance) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bank.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Queue {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `len` are never used
[INFO] [stdout]   --> src/lib.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Queue {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(size: usize) -> Queue {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn push(&mut self, n: i32) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   fn pop(&mut self) -> i32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BadCounter` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BadCounter {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `increment` and `get` are never used
[INFO] [stdout]   --> src/badcounter.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl BadCounter {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 17 |   fn increment(&self) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn get(&self) -> u32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> src/badcounter.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Shared {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get` and `block` are never used
[INFO] [stdout]   --> src/badcounter.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl Shared {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 75 |   fn get() -> Option<Arc<Shared>> {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   fn block(&self) {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicU32` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct AtomicU32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stdout]    --> src/badcounter.rs:98:6
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl AtomicU32 {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout]  98 |   fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `controlled_thread` is never used
[INFO] [stdout]    --> src/badcounter.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn controlled_thread<'scope, State: 'scope + Send>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ControlledThread` is never constructed
[INFO] [stdout]    --> src/badcounter.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct ControlledThread<'scope, State: 'scope> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arbring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `act`, `is_blocked`, and `unblock` are never used
[INFO] [stdout]    --> src/badcounter.rs:170:6
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl<'scope, State: 'scope> ControlledThread<'scope, State> {
[INFO] [stdout]     | ----------------------------------------------------------- methods in this implementation
[INFO] [stdout] 170 |   fn act(&mut self, f: impl FnOnce(&mut State) + Send + 'static) {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |   fn is_blocked(&self) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |   fn unblock(&mut self) {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AccountId` is never used
[INFO] [stdout]  --> src/bank.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AccountId = u64;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Balance` is never used
[INFO] [stdout]  --> src/bank.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Balance = u128;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bank` is never constructed
[INFO] [stdout]  --> src/bank.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bank {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/bank.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Bank {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |   pub const TREASURY: AccountId = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |   pub fn new() -> Bank {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn create_treasury(&mut self, treasury_balance: Balance) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   pub fn create_account(&mut self) -> AccountId {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn delete_account(&mut self, account_id: AccountId) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn get_accounts(&self) -> impl ExactSizeIterator<Item = AccountId> + '_ {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn lookup_balance(&self, account_id: AccountId) -> Balance {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |   pub fn transfer(&mut self, dr: AccountId, cr: AccountId, amount: Balance) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bank.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bank.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |       if (balance_total != balance_total_initial) {
[INFO] [stdout]     |          ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -       if (balance_total != balance_total_initial) {
[INFO] [stdout] 101 +       if balance_total != balance_total_initial  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch_add` is never used
[INFO] [stdout]    --> src/badcounter.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl AtomicU32 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[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 0.57s
[INFO] running `Command { std: "docker" "inspect" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/bank.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Queue` is never constructed
[INFO] [stderr]  --> src/lib.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Queue {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, `pop`, and `len` are never used
[INFO] [stderr]   --> src/lib.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Queue {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 13 |   pub fn new(size: usize) -> Queue {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |   fn push(&mut self, n: i32) {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |   fn pop(&mut self) -> i32 {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |   fn len(&self) -> usize {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BadCounter` is never constructed
[INFO] [stderr]   --> src/badcounter.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct BadCounter {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `increment` and `get` are never used
[INFO] [stderr]   --> src/badcounter.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl BadCounter {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] 17 |   fn increment(&self) {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |   fn get(&self) -> u32 {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Status` is never used
[INFO] [stderr]   --> src/badcounter.rs:59:6
[INFO] [stderr]    |
[INFO] [stderr] 59 | enum Status {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Shared` is never constructed
[INFO] [stderr]   --> src/badcounter.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Shared {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `get` and `block` are never used
[INFO] [stderr]   --> src/badcounter.rs:75:6
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl Shared {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 75 |   fn get() -> Option<Arc<Shared>> {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |   fn block(&self) {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AtomicU32` is never constructed
[INFO] [stderr]   --> src/badcounter.rs:93:8
[INFO] [stderr]    |
[INFO] [stderr] 93 | struct AtomicU32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stderr]    --> src/badcounter.rs:98:6
[INFO] [stderr]     |
[INFO] [stderr]  97 | impl AtomicU32 {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr]  98 |   fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stderr]     |      ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |   fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stderr]     |      ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `controlled_thread` is never used
[INFO] [stderr]    --> src/badcounter.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn controlled_thread<'scope, State: 'scope + Send>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ControlledThread` is never constructed
[INFO] [stderr]    --> src/badcounter.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | struct ControlledThread<'scope, State: 'scope> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `act`, `is_blocked`, and `unblock` are never used
[INFO] [stderr]    --> src/badcounter.rs:170:6
[INFO] [stderr]     |
[INFO] [stderr] 169 | impl<'scope, State: 'scope> ControlledThread<'scope, State> {
[INFO] [stderr]     | ----------------------------------------------------------- methods in this implementation
[INFO] [stderr] 170 |   fn act(&mut self, f: impl FnOnce(&mut State) + Send + 'static) {
[INFO] [stderr]     |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 |   fn is_blocked(&self) -> bool {
[INFO] [stderr]     |      ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |   fn unblock(&mut self) {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `AccountId` is never used
[INFO] [stderr]  --> src/bank.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type AccountId = u64;
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Balance` is never used
[INFO] [stderr]  --> src/bank.rs:4:6
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 3 tests
[INFO] [stderr] 4 | type Balance = u128;
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Bank` is never constructed
[INFO] [stderr]  --> src/bank.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Bank {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/bank.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Bank {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 12 |   pub const TREASURY: AccountId = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 13 |
[INFO] [stderr] 14 |   pub fn new() -> Bank {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |   fn create_treasury(&mut self, treasury_balance: Balance) {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |   pub fn create_account(&mut self) -> AccountId {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |   pub fn delete_account(&mut self, account_id: AccountId) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |   pub fn get_accounts(&self) -> impl ExactSizeIterator<Item = AccountId> + '_ {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |   pub fn lookup_balance(&self, account_id: AccountId) -> Balance {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |   pub fn transfer(&mut self, dr: AccountId, cr: AccountId, amount: Balance) {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `arbring` (lib) generated 18 warnings (run `cargo fix --lib -p arbring` to apply 2 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/bank.rs:101:10
[INFO] [stderr]     |
[INFO] [stderr] 101 |       if (balance_total != balance_total_initial) {
[INFO] [stderr]     |          ^                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 101 -       if (balance_total != balance_total_initial) {
[INFO] [stderr] 101 +       if balance_total != balance_total_initial  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: method `fetch_add` is never used
[INFO] [stderr]    --> src/badcounter.rs:117:6
[INFO] [stderr]     |
[INFO] [stderr]  97 | impl AtomicU32 {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arbring` (lib test) generated 3 warnings (1 duplicate) (run `cargo fix --lib -p arbring --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arbring-76af56331e2d7de0)
[INFO] [stdout] test test_queue ... FAILED
[INFO] [stdout] test badcounter::test_bad_counter ... FAILED
[INFO] [stdout] test bank::test_bank ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_queue stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_queue' (169) panicked at src/lib.rs:33:5:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5578879a5a88 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5578879a5a88 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5578879a5a88 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5578879a5a88 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5578879b9f2a - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5578879b9f2a - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5578879aa2f2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5578879aa2f2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5578879849b6 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5578879849b6 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55788799de59 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x557887939d8c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x557887939d8c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55788799e0d2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55788799e0d2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x557887984aa4 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x557887979c79 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55788798578d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5578879ba68c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5578879bb5a9 - core[8fb95b77d25ab6c8]::panicking::panic_const::panic_const_sub_overflow
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x5578879199b9 - <arbring[a0e9cd8df729e64f]::Queue>::len
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:33:5
[INFO] [stdout]   21:     0x55788791908e - arbring[a0e9cd8df729e64f]::test_queue::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:59:24
[INFO] [stdout]   22:     0x5578879279be - <arbtest[73636b09338cfc55]::Context>::try_seed
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:493:9
[INFO] [stdout]   23:     0x557887926d7d - <arbtest[73636b09338cfc55]::Context>::run_search
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:424:40
[INFO] [stdout]   24:     0x5578879278fb - <arbtest[73636b09338cfc55]::Context>::run
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:401:35
[INFO] [stdout]   25:     0x55788791db24 - <arbtest[73636b09338cfc55]::ArbTest<arbring[a0e9cd8df729e64f]::test_queue::{closure#0}> as core[8fb95b77d25ab6c8]::ops::drop::Drop>::drop
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:380:28
[INFO] [stdout]   26:     0x55788791f69a - core[8fb95b77d25ab6c8]::ptr::drop_glue::<arbtest[73636b09338cfc55]::ArbTest<arbring[a0e9cd8df729e64f]::test_queue::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ptr/mod.rs:825:1
[INFO] [stdout]   27:     0x5578879196d4 - arbring[a0e9cd8df729e64f]::test_queue
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:62:5
[INFO] [stdout]   28:     0x557887918de7 - arbring[a0e9cd8df729e64f]::test_queue::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:38:16
[INFO] [stdout]   29:     0x557887924de6 - <arbring[a0e9cd8df729e64f]::test_queue::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x55788792ce6b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x55788792ce6b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   32:     0x55788793a6e5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   33:     0x55788793a6e5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   34:     0x55788793a6e5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   35:     0x55788793a6e5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   36:     0x55788793a6e5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x55788793a6e5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   38:     0x55788793a6e5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   39:     0x557887933ff4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   40:     0x557887933ff4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   41:     0x55788793d762 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   42:     0x55788793d762 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   43:     0x55788793d762 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   44:     0x55788793d762 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   45:     0x55788793d762 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   46:     0x55788793d762 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   47:     0x55788793d762 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5578879a53df - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   49:     0x5578879a53df - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   50:     0x720e52473aa4 - <unknown>
[INFO] [stdout]   51:     0x720e52500a64 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] arbtest failed!
[INFO] [stdout]     Seed: [1m0x7970539400000020[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- badcounter::test_bad_counter stdout ----
[INFO] [stdout] 
[INFO] [stdout] arbtest failed!
[INFO] [stdout]     Seed: [1m0x9f1656d200000020[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     badcounter::test_bad_counter
[INFO] [stdout]     test_queue
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4", kill_on_drop: false }`
[INFO] [stdout] da6eaac8fb44b5663f7dd115083ed0efc9422c26c035808ce2cebb854c5530a4
