[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matklad/arbring on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f481e626add998299df11bfa0bb4d3513d125bbe33e31705e254777ac0536cb
[INFO] running `Command { std: "docker" "start" "-a" "0f481e626add998299df11bfa0bb4d3513d125bbe33e31705e254777ac0536cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f481e626add998299df11bfa0bb4d3513d125bbe33e31705e254777ac0536cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f481e626add998299df11bfa0bb4d3513d125bbe33e31705e254777ac0536cb", kill_on_drop: false }`
[INFO] [stdout] 0f481e626add998299df11bfa0bb4d3513d125bbe33e31705e254777ac0536cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b832754a24bd2355ece7a14b5661c22760edce920b733b85494b5f280c118072
[INFO] running `Command { std: "docker" "start" "-a" "b832754a24bd2355ece7a14b5661c22760edce920b733b85494b5f280c118072", 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)]` 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)]` 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 1.24s
[INFO] running `Command { std: "docker" "inspect" "b832754a24bd2355ece7a14b5661c22760edce920b733b85494b5f280c118072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b832754a24bd2355ece7a14b5661c22760edce920b733b85494b5f280c118072", kill_on_drop: false }`
[INFO] [stdout] b832754a24bd2355ece7a14b5661c22760edce920b733b85494b5f280c118072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8fd14603b33a48c10f30a69e4ed0baf546b3da7488b47777e023c80cccd1bba
[INFO] running `Command { std: "docker" "start" "-a" "c8fd14603b33a48c10f30a69e4ed0baf546b3da7488b47777e023c80cccd1bba", 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)]` 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)]` 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]    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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "c8fd14603b33a48c10f30a69e4ed0baf546b3da7488b47777e023c80cccd1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fd14603b33a48c10f30a69e4ed0baf546b3da7488b47777e023c80cccd1bba", kill_on_drop: false }`
[INFO] [stdout] c8fd14603b33a48c10f30a69e4ed0baf546b3da7488b47777e023c80cccd1bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f73350d4eb9a6e93a58aa4610f5e18a0fdbd183a857b9e091656e0753387d335
[INFO] running `Command { std: "docker" "start" "-a" "f73350d4eb9a6e93a58aa4610f5e18a0fdbd183a857b9e091656e0753387d335", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stdout] 
[INFO] [stderr]  --> src/bank.rs:1:34
[INFO] [stdout] running 3 tests
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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)]` 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] [stderr]   |
[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)]` 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)]` 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-ef9da5c8523bcdde)
[INFO] [stdout] test test_queue ... FAILED
[INFO] [stdout] test badcounter::test_bad_counter ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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' panicked at src/lib.rs:59:7:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 4
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c69a73266a2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c69a73266a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c69a73266a2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c69a73266a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c69a734c1c3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c69a734c1c3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c69a73235f3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c69a73235f3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c69a73264f2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c69a7327c19 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5c69a7327a4e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5c69a72efec4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5c69a72efec4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c69a73285ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5c69a73285ee - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5c69a73283ba - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5c69a7326b99 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c69a732804d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5c69a734a6c0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c69a734a9d8 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5c69a734a92a - core::panicking::assert_failed::h417a72379c307893
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5c69a72a5d9d - arbring::test_queue::{{closure}}::hba2c66b99d50dc83
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:59:7
[INFO] [stdout]   22:     0x5c69a72b26de - arbtest::Context::try_seed::h68b2433a71d55b5b
[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:     0x5c69a72b1b67 - arbtest::Context::run_search::h9145b87034f588b7
[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:     0x5c69a72b19d7 - arbtest::Context::run::hca0ef05667f54ca0
[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:     0x5c69a728c6b4 - <arbtest::ArbTest<P> as core::ops::drop::Drop>::drop::h003b1987a3a87028
[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:     0x5c69a72aae8a - core::ptr::drop_in_place<arbtest::ArbTest<arbring::test_queue::{{closure}}>>::h7219a1fda81c66d5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ptr/mod.rs:804:1
[INFO] [stdout]   27:     0x5c69a72a5854 - arbring::test_queue::hd6a1419518c3443b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:62:5
[INFO] [stdout]   28:     0x5c69a72a5827 - arbring::test_queue::{{closure}}::he93a7d6fdad5fc22
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:38:16
[INFO] [stdout]   29:     0x5c69a72a96c6 - core::ops::function::FnOnce::call_once::hcd0d80e9dafade91
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   30:     0x5c69a72f572b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   31:     0x5c69a72f572b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   32:     0x5c69a72f4865 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   33:     0x5c69a72f4865 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x5c69a72f4865 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   35:     0x5c69a72f4865 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   36:     0x5c69a72f4865 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x5c69a72f4865 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   38:     0x5c69a72f4865 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   39:     0x5c69a72b8464 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   40:     0x5c69a72b8464 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   41:     0x5c69a72bbe3a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   42:     0x5c69a72bbe3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   43:     0x5c69a72bbe3a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   44:     0x5c69a72bbe3a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   45:     0x5c69a72bbe3a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   46:     0x5c69a72bbe3a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   47:     0x5c69a72bbe3a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   48:     0x5c69a732b66f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   49:     0x5c69a732b66f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   50:     0x7c09b0d15aa4 - <unknown>
[INFO] [stdout]   51:     0x7c09b0da2a34 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] arbtest failed!
[INFO] [stdout]     Seed: [1m0xcaf4264000000020[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- badcounter::test_bad_counter stdout ----
[INFO] [stdout] 
[INFO] [stdout] arbtest failed!
[INFO] [stdout]     Seed: [1m0xd9dcbf1700000020[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 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f73350d4eb9a6e93a58aa4610f5e18a0fdbd183a857b9e091656e0753387d335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73350d4eb9a6e93a58aa4610f5e18a0fdbd183a857b9e091656e0753387d335", kill_on_drop: false }`
[INFO] [stdout] f73350d4eb9a6e93a58aa4610f5e18a0fdbd183a857b9e091656e0753387d335
