[INFO] cloning repository https://github.com/Tianyu9748/Raptors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tianyu9748/Raptors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTianyu9748%2FRaptors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTianyu9748%2FRaptors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40541ef1ed088a4486255e0fb6dad84aa4fbb27a
[INFO] building Tianyu9748/Raptors against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTianyu9748%2FRaptors" "/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/Tianyu9748/Raptors
[INFO] finished tweaking git repo https://github.com/Tianyu9748/Raptors
[INFO] tweaked toml for git repo https://github.com/Tianyu9748/Raptors written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tianyu9748/Raptors on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tianyu9748/Raptors 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc2/source/raptors/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33324223f90c446304de8b4b583e4c3ada09ee8625ae9e9c45f84420e7520765
[INFO] running `Command { std: "docker" "start" "-a" "33324223f90c446304de8b4b583e4c3ada09ee8625ae9e9c45f84420e7520765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33324223f90c446304de8b4b583e4c3ada09ee8625ae9e9c45f84420e7520765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33324223f90c446304de8b4b583e4c3ada09ee8625ae9e9c45f84420e7520765", kill_on_drop: false }`
[INFO] [stdout] 33324223f90c446304de8b4b583e4c3ada09ee8625ae9e9c45f84420e7520765
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7490dc52ab90ad0814878352402c7cd78a1f3930db4bf7f7985ca3859420fa67
[INFO] running `Command { std: "docker" "start" "-a" "7490dc52ab90ad0814878352402c7cd78a1f3930db4bf7f7985ca3859420fa67", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/raptors/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.46
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling raptors v0.1.0 (/opt/rustwide/workdir/raptors)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> raptors/src/actors.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info};
[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: `oneshot`
[INFO] [stdout]  --> raptors/src/actors.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Urn`
[INFO] [stdout]  --> raptors/src/actors.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::{Urn, Uuid};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> raptors/src/actors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Bytes`
[INFO] [stdout]  --> raptors/src/actors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox::*`
[INFO] [stdout]   --> raptors/src/actors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::mailbox::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> raptors/src/actors.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::workloads::{OpCode, Workload};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> raptors/src/builders.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::actors::*`
[INFO] [stdout]  --> raptors/src/builders.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::actors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::messages::*`
[INFO] [stdout]  --> raptors/src/builders.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::messages::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::*`
[INFO] [stdout]  --> raptors/src/builders.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]  --> raptors/src/builders.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::workloads::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]  --> raptors/src/executor.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::workloads::{OpCode, Workload};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> raptors/src/messages.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::OpCode`
[INFO] [stdout]  --> raptors/src/messages.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::workloads::OpCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> raptors/src/scheduler.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `Uniform`
[INFO] [stdout]  --> raptors/src/scheduler.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> raptors/src/scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> raptors/src/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::mailbox::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::messages::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::messages::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::workloads::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> raptors/src/system.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oneshot`
[INFO] [stdout]  --> raptors/src/system.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> raptors/src/system.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> raptors/src/system.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> raptors/src/system.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]   --> raptors/src/system.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::workloads::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> raptors/src/workloads.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> raptors/src/actors.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 _ => (),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> raptors/src/actors.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Some(msg) => {
[INFO] [stdout]    |                 --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 63 |                 None => {
[INFO] [stdout]    |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 68 |                 _ => (),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> raptors/src/actors.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     let status = self.fetch_and_handle_message(msg);
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox`
[INFO] [stdout]   --> raptors/src/system.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::mailbox::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> raptors/src/system.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut mailboxes: Vec<mpsc::Sender<TypedMessage>> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_level` is never read
[INFO] [stdout]   --> raptors/src/system.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct SystemConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 29 |     name: String,
[INFO] [stdout] 30 |     log_level: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SystemConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> raptors/src/system.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try_init_raptors!(log_level);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = try_init_raptors!(log_level);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mails` is never used
[INFO] [stdout]   --> raptors/src/mailbox.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Mailbox {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn mails(&self) -> Vec<TypedMessage> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> raptors/src/system.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         system.spawn_actors(self.config().ranks());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = system.spawn_actors(self.config().ranks());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> raptors/src/system.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         self.mails[to].send(msg).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let _ = self.mails[to].send(msg).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> raptors/src/system.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             mail.send(msg.clone()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = mail.send(msg.clone()).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raptors-examples v0.1.0 (/opt/rustwide/workdir/examples)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> examples/diamond-tasks/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[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 imports: `thread` and `time`
[INFO] [stdout]  --> examples/diamond-tasks/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/diamond-tasks/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     system.on_receive(cmd);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = system.on_receive(cmd);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/diamond-tasks/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     system.on_receive(halt_msg);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = system.on_receive(halt_msg);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/diamond-tasks/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     system.on_receive(halt_all);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _ = system.on_receive(halt_all);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "7490dc52ab90ad0814878352402c7cd78a1f3930db4bf7f7985ca3859420fa67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7490dc52ab90ad0814878352402c7cd78a1f3930db4bf7f7985ca3859420fa67", kill_on_drop: false }`
[INFO] [stdout] 7490dc52ab90ad0814878352402c7cd78a1f3930db4bf7f7985ca3859420fa67
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c15a0aad26849103fa2c65bd28cb1de7dad09d1f06f979d89dcbe5f0039ccc2
[INFO] running `Command { std: "docker" "start" "-a" "9c15a0aad26849103fa2c65bd28cb1de7dad09d1f06f979d89dcbe5f0039ccc2", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/raptors/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> raptors/src/actors.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info};
[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: `oneshot`
[INFO] [stdout]  --> raptors/src/actors.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Urn`
[INFO] [stdout]  --> raptors/src/actors.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::{Urn, Uuid};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> raptors/src/actors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Bytes`
[INFO] [stdout]  --> raptors/src/actors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox::*`
[INFO] [stdout]   --> raptors/src/actors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::mailbox::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> raptors/src/actors.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::workloads::{OpCode, Workload};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> raptors/src/builders.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::actors::*`
[INFO] [stdout]  --> raptors/src/builders.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::actors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::messages::*`
[INFO] [stdout]  --> raptors/src/builders.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::messages::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::*`
[INFO] [stdout]  --> raptors/src/builders.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]  --> raptors/src/builders.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::workloads::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]  --> raptors/src/executor.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::workloads::{OpCode, Workload};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> raptors/src/messages.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::OpCode`
[INFO] [stdout]  --> raptors/src/messages.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::workloads::OpCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> raptors/src/scheduler.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `Uniform`
[INFO] [stdout]  --> raptors/src/scheduler.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> raptors/src/scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> raptors/src/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::mailbox::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::messages::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::messages::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::workloads::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> raptors/src/system.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oneshot`
[INFO] [stdout]  --> raptors/src/system.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> raptors/src/system.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> raptors/src/system.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> raptors/src/system.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]   --> raptors/src/system.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::workloads::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> raptors/src/workloads.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> raptors/src/actors.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 _ => (),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> raptors/src/actors.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Some(msg) => {
[INFO] [stdout]    |                 --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 63 |                 None => {
[INFO] [stdout]    |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 68 |                 _ => (),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> raptors/src/actors.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     let status = self.fetch_and_handle_message(msg);
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox`
[INFO] [stdout]   --> raptors/src/system.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::mailbox::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> raptors/src/system.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut mailboxes: Vec<mpsc::Sender<TypedMessage>> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_level` is never read
[INFO] [stdout]   --> raptors/src/system.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct SystemConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 29 |     name: String,
[INFO] [stdout] 30 |     log_level: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SystemConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> raptors/src/system.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try_init_raptors!(log_level);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = try_init_raptors!(log_level);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mails` is never used
[INFO] [stdout]   --> raptors/src/mailbox.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Mailbox {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn mails(&self) -> Vec<TypedMessage> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raptors v0.1.0 (/opt/rustwide/workdir/raptors)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> raptors/src/system.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         system.spawn_actors(self.config().ranks());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = system.spawn_actors(self.config().ranks());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raptors-examples v0.1.0 (/opt/rustwide/workdir/examples)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> raptors/src/system.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         self.mails[to].send(msg).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let _ = self.mails[to].send(msg).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> raptors/src/system.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             mail.send(msg.clone()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = mail.send(msg.clone()).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> raptors/src/actors.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info};
[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: `oneshot`
[INFO] [stdout]  --> raptors/src/actors.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Urn`
[INFO] [stdout]  --> raptors/src/actors.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::{Urn, Uuid};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> raptors/src/actors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Bytes`
[INFO] [stdout]  --> raptors/src/actors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox::*`
[INFO] [stdout]   --> raptors/src/actors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::mailbox::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> raptors/src/actors.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::workloads::{OpCode, Workload};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> raptors/src/actors.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> raptors/src/builders.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::actors::*`
[INFO] [stdout]  --> raptors/src/builders.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::actors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]    --> raptors/src/mailbox.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use std::time;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> raptors/src/messages.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::OpCode`
[INFO] [stdout]  --> raptors/src/messages.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::workloads::OpCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> raptors/src/messages.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `info`
[INFO] [stdout]  --> raptors/src/scheduler.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `Uniform`
[INFO] [stdout]  --> raptors/src/scheduler.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> raptors/src/scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> raptors/src/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::mailbox::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::messages::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::messages::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]  --> raptors/src/scheduler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::workloads::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> raptors/src/system.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oneshot`
[INFO] [stdout]  --> raptors/src/system.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> raptors/src/system.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> raptors/src/system.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> raptors/src/system.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::workloads::*`
[INFO] [stdout]   --> raptors/src/system.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::workloads::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> raptors/src/workloads.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> examples/diamond-tasks/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[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 imports: `thread` and `time`
[INFO] [stdout]  --> examples/diamond-tasks/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> raptors/src/actors.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 _ => (),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> raptors/src/actors.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Some(msg) => {
[INFO] [stdout]    |                 --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 63 |                 None => {
[INFO] [stdout]    |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 68 |                 _ => (),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> raptors/src/actors.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     let status = self.fetch_and_handle_message(msg);
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/diamond-tasks/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     system.on_receive(cmd);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = system.on_receive(cmd);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/diamond-tasks/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     system.on_receive(halt_msg);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = system.on_receive(halt_msg);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/diamond-tasks/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     system.on_receive(halt_all);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _ = system.on_receive(halt_all);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mailbox`
[INFO] [stdout]   --> raptors/src/system.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::mailbox::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> raptors/src/system.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut mailboxes: Vec<mpsc::Sender<TypedMessage>> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> raptors/src/system.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let mut system = build_system!("Raptors");
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> raptors/src/system.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let mut system = build_system!("Raptors", 2);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_level` is never read
[INFO] [stdout]   --> raptors/src/system.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct SystemConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 29 |     name: String,
[INFO] [stdout] 30 |     log_level: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SystemConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> raptors/src/system.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try_init_raptors!(log_level);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = try_init_raptors!(log_level);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> raptors/src/system.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         system.spawn_actors(self.config().ranks());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = system.spawn_actors(self.config().ranks());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> raptors/src/system.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         self.mails[to].send(msg).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let _ = self.mails[to].send(msg).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> raptors/src/system.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             mail.send(msg.clone()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = mail.send(msg.clone()).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "9c15a0aad26849103fa2c65bd28cb1de7dad09d1f06f979d89dcbe5f0039ccc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c15a0aad26849103fa2c65bd28cb1de7dad09d1f06f979d89dcbe5f0039ccc2", kill_on_drop: false }`
[INFO] [stdout] 9c15a0aad26849103fa2c65bd28cb1de7dad09d1f06f979d89dcbe5f0039ccc2
