[INFO] cloning repository https://github.com/j5ik2o/sandbox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j5ik2o/sandbox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj5ik2o%2Fsandbox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj5ik2o%2Fsandbox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df47ac15d773a357caf7d93c3cd4319c65b74477
[INFO] checking j5ik2o/sandbox-rs against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj5ik2o%2Fsandbox-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/j5ik2o/sandbox-rs
[INFO] finished tweaking git repo https://github.com/j5ik2o/sandbox-rs
[INFO] tweaked toml for git repo https://github.com/j5ik2o/sandbox-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/j5ik2o/sandbox-rs on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/j5ik2o/sandbox-rs 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3228b2369fc0a4f22c87a529defc60175efaa4987c28941afb7857a2d8230ea9
[INFO] running `Command { std: "docker" "start" "-a" "3228b2369fc0a4f22c87a529defc60175efaa4987c28941afb7857a2d8230ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3228b2369fc0a4f22c87a529defc60175efaa4987c28941afb7857a2d8230ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3228b2369fc0a4f22c87a529defc60175efaa4987c28941afb7857a2d8230ea9", kill_on_drop: false }`
[INFO] [stdout] 3228b2369fc0a4f22c87a529defc60175efaa4987c28941afb7857a2d8230ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b1313ebfd31e6ade71c050b886d4730caaa1417cbc9e6e0c1d00b0be1e83a3
[INFO] running `Command { std: "docker" "start" "-a" "66b1313ebfd31e6ade71c050b886d4730caaa1417cbc9e6e0c1d00b0be1e83a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling tailcall-impl v0.1.6
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking tailcall v0.1.6
[INFO] [stderr]     Checking sandbox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Value` is never constructed
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Value(i32);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main1` is never used
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn main1() {
[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 function `new` is never used
[INFO] [stdout]  --> src/address_book.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl AddressEntryId {
[INFO] [stdout]   | ------------------- associated function in this implementation
[INFO] [stdout] 5 |   pub(crate) fn new(value: u64) -> Self {
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Currency` is never used
[INFO] [stdout]  --> src/currency.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Currency {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Money` is never constructed
[INFO] [stdout]  --> src/money.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Money {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/money.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Money {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 25 |   pub fn one(currency: Currency) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   pub fn zero(currency: Currency) -> Self {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   pub fn negated(self) -> Self {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn abs(self) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |   pub fn rem(self, n: BigDecimal) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |   pub fn is_zero(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |   pub fn is_non_zero(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Factories` is never used
[INFO] [stdout]   --> src/money.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub trait Factories<T> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/node.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<T> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/node.rs:62:10
[INFO] [stdout]     |
[INFO] [stdout]  58 | / impl<'a, T: Clone> Node<T>
[INFO] [stdout]  59 | | where
[INFO] [stdout]  60 | |   T: PartialOrd + 'a,
[INFO] [stdout]     | |_____________________- associated items in this implementation
[INFO] [stdout]  61 |   {
[INFO] [stdout]  62 |     pub fn from_vec(values: &[T]) -> Node<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn of_leaf(value: T) -> Node<T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     pub fn of_branch(left: Node<T>, value: T, right: Node<T>) -> Node<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn find(&'a self, value: T) -> Option<&'a Node<T>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn map<B, F>(&'a self, mut f: F) -> Node<B>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn as_value(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn as_max(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub fn as_min(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RefNode` is never used
[INFO] [stdout]  --> src/ref_node.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum RefNode<'a, T> {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/ref_node.rs:63:10
[INFO] [stdout]     |
[INFO] [stdout]  58 | / impl<'a, T: Clone> RefNode<'a, T>
[INFO] [stdout]  59 | | where
[INFO] [stdout]  60 | |   &'a T: PartialOrd,
[INFO] [stdout]  61 | |   T: PartialOrd,
[INFO] [stdout]     | |________________- associated items in this implementation
[INFO] [stdout]  62 |   {
[INFO] [stdout]  63 |     pub fn from_vec(values: &'a [T]) -> RefNode<'a, T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn of_leaf(value: &'a T) -> RefNode<'a, T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn of_branch(left: RefNode<'a, T>, value: &'a T, right: RefNode<'a, T>) -> RefNode<'a, T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn find(&'a self, value: T) -> Option<&'a RefNode<T>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn map<'b, B, F>(&'a self, mut f: F) -> RefNode<'b, B>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn as_value(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn as_max(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn as_min(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Entity` is never used
[INFO] [stdout]  --> src/thread.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Entity<ID>
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadId` is never constructed
[INFO] [stdout]   --> src/thread.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ThreadId(u64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ThreadId {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(value: u64) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemberId` is never constructed
[INFO] [stdout]   --> src/thread.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct MemberId(u64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl MemberId {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |   pub fn new(value: u64) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemberName` is never constructed
[INFO] [stdout]   --> src/thread.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct MemberName(String);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl MemberName {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 33 |   pub fn new(value: String) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Member` is never constructed
[INFO] [stdout]   --> src/thread.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Member {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Member {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 45 |   pub fn new(id: MemberId, name: MemberName) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageId` is never constructed
[INFO] [stdout]   --> src/thread.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct MessageId(u64);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl MessageId {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 60 |   pub fn new(value: u64) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageText` is never constructed
[INFO] [stdout]   --> src/thread.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct MessageText(String);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl MessageText {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 69 |   pub fn new(value: String) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Message` is never constructed
[INFO] [stdout]   --> src/thread.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Message {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Message {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 82 |   pub fn new(id: MessageId, sender_id: MemberId, text: MessageText) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Thread` is never constructed
[INFO] [stdout]   --> src/thread.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct Thread {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/thread.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Thread {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 105 |   pub fn new(id: ThreadId, members: &[Member], messages: &[Message]) -> Self {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |   fn is_member_id(&self, member_id: &MemberId) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |   pub fn add_message(&mut self, message: Message) -> Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |   pub fn add_messages(&mut self, messages: &[Message]) -> Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |   pub fn remove_messages(&mut self, message_ids: &[MessageId]) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |   pub fn messages(&self) -> &[Message] {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |   pub fn add_members(&mut self, members: &[Member]) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |   pub fn remove_members(&mut self, member_ids: &[MemberId]) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |   fn convert_to_idx<ID, M>(members: &Vec<M>, member_ids: &[ID]) -> Vec<usize>
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |   pub fn members(&self) -> &[Member] {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserName` is never constructed
[INFO] [stdout]  --> src/user_names.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct UserName(String);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/user_names.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl UserName {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |   pub fn new(value: &str) -> Self {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserNames` is never constructed
[INFO] [stdout]   --> src/user_names.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct UserNames(Vec<UserName>);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_user_name0`, `add_user_name1`, and `add_user_name2` are never used
[INFO] [stdout]   --> src/user_names.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl UserNames {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   pub fn add_user_name0(&mut self, user_name: UserName) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn add_user_name1(&mut self, user_name: UserName) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   pub fn add_user_name2(mut self, user_name: UserName) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Value` is never constructed
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Value(i32);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main1` is never used
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn main1() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Currency` is never used
[INFO] [stdout]  --> src/currency.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Currency {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Money` is never constructed
[INFO] [stdout]  --> src/money.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Money {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/money.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Money {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 25 |   pub fn one(currency: Currency) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   pub fn zero(currency: Currency) -> Self {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   pub fn negated(self) -> Self {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn abs(self) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |   pub fn rem(self, n: BigDecimal) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |   pub fn is_zero(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |   pub fn is_non_zero(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Factories` is never used
[INFO] [stdout]   --> src/money.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub trait Factories<T> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/node.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<T> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/node.rs:62:10
[INFO] [stdout]     |
[INFO] [stdout]  58 | / impl<'a, T: Clone> Node<T>
[INFO] [stdout]  59 | | where
[INFO] [stdout]  60 | |   T: PartialOrd + 'a,
[INFO] [stdout]     | |_____________________- associated items in this implementation
[INFO] [stdout]  61 |   {
[INFO] [stdout]  62 |     pub fn from_vec(values: &[T]) -> Node<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn of_leaf(value: T) -> Node<T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     pub fn of_branch(left: Node<T>, value: T, right: Node<T>) -> Node<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn find(&'a self, value: T) -> Option<&'a Node<T>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn map<B, F>(&'a self, mut f: F) -> Node<B>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn as_value(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn as_max(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub fn as_min(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RefNode` is never used
[INFO] [stdout]  --> src/ref_node.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum RefNode<'a, T> {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/ref_node.rs:63:10
[INFO] [stdout]     |
[INFO] [stdout]  58 | / impl<'a, T: Clone> RefNode<'a, T>
[INFO] [stdout]  59 | | where
[INFO] [stdout]  60 | |   &'a T: PartialOrd,
[INFO] [stdout]  61 | |   T: PartialOrd,
[INFO] [stdout]     | |________________- associated items in this implementation
[INFO] [stdout]  62 |   {
[INFO] [stdout]  63 |     pub fn from_vec(values: &'a [T]) -> RefNode<'a, T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn of_leaf(value: &'a T) -> RefNode<'a, T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn of_branch(left: RefNode<'a, T>, value: &'a T, right: RefNode<'a, T>) -> RefNode<'a, T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn find(&'a self, value: T) -> Option<&'a RefNode<T>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn map<'b, B, F>(&'a self, mut f: F) -> RefNode<'b, B>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn as_value(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn as_max(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn as_min(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Entity` is never used
[INFO] [stdout]  --> src/thread.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Entity<ID>
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/thread.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Member {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 40 |   id: MemberId,
[INFO] [stdout] 41 |   name: MemberName,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Member` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/thread.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct MessageText(String);
[INFO] [stdout]    |            ----------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `MessageText` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `text` are never read
[INFO] [stdout]   --> src/thread.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Message {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 76 |   id: MessageId,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 77 |   sender_id: MemberId,
[INFO] [stdout] 78 |   text: MessageText,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/thread.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct Thread {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 99 |   id: ThreadId,
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Thread` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `remove_messages`, `remove_members`, and `convert_to_idx` are never used
[INFO] [stdout]    --> src/thread.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Thread {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |   pub fn remove_messages(&mut self, message_ids: &[MessageId]) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |   pub fn remove_members(&mut self, member_ids: &[MemberId]) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |   fn convert_to_idx<ID, M>(members: &Vec<M>, member_ids: &[ID]) -> Vec<usize>
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/user_names.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct UserName(String);
[INFO] [stdout]   |            -------- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `UserName` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_user_name1` and `add_user_name2` are never used
[INFO] [stdout]   --> src/user_names.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl UserNames {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn add_user_name1(&mut self, user_name: UserName) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   pub fn add_user_name2(mut self, user_name: UserName) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     tokio::join!(h1, h2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     tokio::join!(h1, h2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ref_node.rs:87:49
[INFO] [stdout]    |
[INFO] [stdout] 87 |   pub fn find(&'a self, value: T) -> Option<&'a RefNode<T>> {
[INFO] [stdout]    |                --                            -- ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |                             |
[INFO] [stdout]    |                the lifetime is named here    the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 87 |   pub fn find(&'a self, value: T) -> Option<&'a RefNode<'a, T>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     tokio::join!(h1, h2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     tokio::join!(h1, h2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ref_node.rs:87:49
[INFO] [stdout]    |
[INFO] [stdout] 87 |   pub fn find(&'a self, value: T) -> Option<&'a RefNode<T>> {
[INFO] [stdout]    |                --                            -- ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |                             |
[INFO] [stdout]    |                the lifetime is named here    the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 87 |   pub fn find(&'a self, value: T) -> Option<&'a RefNode<'a, T>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sandbox-rs` (bin "sandbox-rs") due to 1 previous error; 34 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sandbox-rs` (bin "sandbox-rs" test) due to 1 previous error; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "66b1313ebfd31e6ade71c050b886d4730caaa1417cbc9e6e0c1d00b0be1e83a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b1313ebfd31e6ade71c050b886d4730caaa1417cbc9e6e0c1d00b0be1e83a3", kill_on_drop: false }`
[INFO] [stdout] 66b1313ebfd31e6ade71c050b886d4730caaa1417cbc9e6e0c1d00b0be1e83a3
