[INFO] cloning repository https://github.com/omegagov/queueing-party
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omegagov/queueing-party" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegagov%2Fqueueing-party", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegagov%2Fqueueing-party'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d50a950cf505c2d9f3b141dab1a72dabeb05044a
[INFO] testing omegagov/queueing-party against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegagov%2Fqueueing-party" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/omegagov/queueing-party on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/omegagov/queueing-party
[INFO] finished tweaking git repo https://github.com/omegagov/queueing-party
[INFO] tweaked toml for git repo https://github.com/omegagov/queueing-party written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/omegagov/queueing-party already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus-client v0.22.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ad11865088947dafee55db21d6b142b3d87ef32f04dd1d30d99737d19307b84
[INFO] running `Command { std: "docker" "start" "-a" "1ad11865088947dafee55db21d6b142b3d87ef32f04dd1d30d99737d19307b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad11865088947dafee55db21d6b142b3d87ef32f04dd1d30d99737d19307b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad11865088947dafee55db21d6b142b3d87ef32f04dd1d30d99737d19307b84", kill_on_drop: false }`
[INFO] [stdout] 1ad11865088947dafee55db21d6b142b3d87ef32f04dd1d30d99737d19307b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1795669c121960026bf11410f75d9dc6e517508ed3905c9ace08c7bcbc29f2
[INFO] running `Command { std: "docker" "start" "-a" "ce1795669c121960026bf11410f75d9dc6e517508ed3905c9ace08c7bcbc29f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling prometheus-client v0.22.3
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling queueing-party v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> src/main.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/args_rets.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Eq`, `Ordering`, `PartialEq`, and `max`
[INFO] [stdout]  --> src/args_rets.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stdout]   |                ^^^  ^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/args_rets.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/args_rets.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/args_rets.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/args_rets.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/args_rets.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/args_rets.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/args_rets.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]   --> src/args_rets.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> src/args_rets.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stdout]   --> src/args_rets.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/lossy_convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Eq`, `Ordering`, `PartialEq`, and `max`
[INFO] [stdout]  --> src/lossy_convert.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stdout]   |                ^^^  ^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/lossy_convert.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lossy_convert.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/lossy_convert.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lossy_convert.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/lossy_convert.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/lossy_convert.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/lossy_convert.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]   --> src/lossy_convert.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `LogNormal`
[INFO] [stdout]   --> src/lossy_convert.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stdout]   --> src/lossy_convert.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> src/main_loop.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LogNormal`
[INFO] [stdout]  --> src/main_loop.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stdout]  --> src/main_loop.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering` and `max`
[INFO] [stdout]  --> src/queue.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stdout]   |                ^^^      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/queue.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/queue.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]   --> src/queue.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `LogNormal`
[INFO] [stdout]   --> src/queue.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lossy_convert::*`
[INFO] [stdout]   --> src/queue.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::lossy_convert::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/shared_rate_resource.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/shared_rate_resource.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/shared_rate_resource.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]   --> src/shared_rate_resource.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lossy_convert::*`
[INFO] [stdout]   --> src/shared_rate_resource.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::lossy_convert::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/simulation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atomic`
[INFO] [stdout]  --> src/simulation.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prometheus_client::metrics::counter::{Atomic, Counter};
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/simulation.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lossy_convert::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::lossy_convert::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shared_rate_resource::*`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::shared_rate_resource::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `simulation`
[INFO] [stdout]   --> src/main.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 |simulation, timestamp, worker_token| {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_simulation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `simulation`
[INFO] [stdout]   --> src/main.rs:79:35
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   move |simulation, timestamp| {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_simulation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/queue.rs:330:17
[INFO] [stdout]     |
[INFO] [stdout] 330 |             for mut token in tokens_to_restore.drain(..) {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 std::process::exit(0);
[INFO] [stdout]     |                 --------------------- any code following this expression is unreachable
[INFO] [stdout] 149 |                 Default::default()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/main_loop.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atomic`
[INFO] [stdout]   --> src/queue.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 | use prometheus_client::metrics::counter::{Atomic, Counter};
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/shared_rate_resource.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     timestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let mut worker = {
[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]    --> src/main.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     let mut rng = &mut queue_foo_clone.borrow_mut().rng;
[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]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut simulation = Box::new(BaseQueueSimulation::new(
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `originating_queue_name` is never read
[INFO] [stdout]    --> src/queue.rs:314:5
[INFO] [stdout]     |
[INFO] [stdout] 311 | pub struct WorkerToken<S: QueueSimulation + 'static> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 314 |     originating_queue_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `status` are never read
[INFO] [stdout]   --> src/shared_rate_resource.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct SharedRateResource<S: SRRSimulation + 'static> {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 48 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     status: Rc<RefCell<Status>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "ce1795669c121960026bf11410f75d9dc6e517508ed3905c9ace08c7bcbc29f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1795669c121960026bf11410f75d9dc6e517508ed3905c9ace08c7bcbc29f2", kill_on_drop: false }`
[INFO] [stdout] ce1795669c121960026bf11410f75d9dc6e517508ed3905c9ace08c7bcbc29f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0622d999d8570fc106c477175e00fcf4d01d0edf3708d9289e22ea39a2da5c7d
[INFO] running `Command { std: "docker" "start" "-a" "0622d999d8570fc106c477175e00fcf4d01d0edf3708d9289e22ea39a2da5c7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling queueing-party v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> src/main.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/args_rets.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Eq`, `Ordering`, `PartialEq`, and `max`
[INFO] [stdout]  --> src/args_rets.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stdout]   |                ^^^  ^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/args_rets.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/args_rets.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/args_rets.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/args_rets.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/args_rets.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/args_rets.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/args_rets.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]   --> src/args_rets.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> src/args_rets.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stdout]   --> src/args_rets.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/lossy_convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Eq`, `Ordering`, `PartialEq`, and `max`
[INFO] [stdout]  --> src/lossy_convert.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stdout]   |                ^^^  ^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/lossy_convert.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lossy_convert.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/lossy_convert.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lossy_convert.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/lossy_convert.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/lossy_convert.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/lossy_convert.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]   --> src/lossy_convert.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `LogNormal`
[INFO] [stdout]   --> src/lossy_convert.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stdout]   --> src/lossy_convert.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> src/main_loop.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LogNormal`
[INFO] [stdout]  --> src/main_loop.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stdout]  --> src/main_loop.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering` and `max`
[INFO] [stdout]  --> src/queue.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stdout]   |                ^^^      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/queue.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/queue.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]   --> src/queue.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `LogNormal`
[INFO] [stdout]   --> src/queue.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand_distr::{Distribution, LogNormal};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lossy_convert::*`
[INFO] [stdout]   --> src/queue.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::lossy_convert::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/shared_rate_resource.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/shared_rate_resource.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/shared_rate_resource.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]   --> src/shared_rate_resource.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lossy_convert::*`
[INFO] [stdout]   --> src/shared_rate_resource.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::lossy_convert::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/simulation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atomic`
[INFO] [stdout]  --> src/simulation.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prometheus_client::metrics::counter::{Atomic, Counter};
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/simulation.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lossy_convert::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::lossy_convert::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shared_rate_resource::*`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::shared_rate_resource::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `simulation`
[INFO] [stdout]   --> src/main.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 |simulation, timestamp, worker_token| {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_simulation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `simulation`
[INFO] [stdout]   --> src/main.rs:79:35
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   move |simulation, timestamp| {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_simulation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/queue.rs:330:17
[INFO] [stdout]     |
[INFO] [stdout] 330 |             for mut token in tokens_to_restore.drain(..) {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 std::process::exit(0);
[INFO] [stdout]     |                 --------------------- any code following this expression is unreachable
[INFO] [stdout] 149 |                 Default::default()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/main_loop.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atomic`
[INFO] [stdout]   --> src/queue.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 | use prometheus_client::metrics::counter::{Atomic, Counter};
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/shared_rate_resource.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     timestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let mut worker = {
[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]    --> src/main.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     let mut rng = &mut queue_foo_clone.borrow_mut().rng;
[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]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut simulation = Box::new(BaseQueueSimulation::new(
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `originating_queue_name` is never read
[INFO] [stdout]    --> src/queue.rs:314:5
[INFO] [stdout]     |
[INFO] [stdout] 311 | pub struct WorkerToken<S: QueueSimulation + 'static> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 314 |     originating_queue_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `status` are never read
[INFO] [stdout]   --> src/shared_rate_resource.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct SharedRateResource<S: SRRSimulation + 'static> {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 48 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     status: Rc<RefCell<Status>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0622d999d8570fc106c477175e00fcf4d01d0edf3708d9289e22ea39a2da5c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0622d999d8570fc106c477175e00fcf4d01d0edf3708d9289e22ea39a2da5c7d", kill_on_drop: false }`
[INFO] [stdout] 0622d999d8570fc106c477175e00fcf4d01d0edf3708d9289e22ea39a2da5c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cc82d37fadda618b029bdf4f3847a98e9305349cfc07232e5533df7247b4610
[INFO] running `Command { std: "docker" "start" "-a" "8cc82d37fadda618b029bdf4f3847a98e9305349cfc07232e5533df7247b4610", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hash` and `Hasher`
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                 ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Distribution`
[INFO] [stderr]   --> src/main.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand_distr::{Distribution, LogNormal};
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/args_rets.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Eq`, `Ordering`, `PartialEq`, and `max`
[INFO] [stderr]  --> src/args_rets.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stderr]   |                ^^^  ^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stderr]  --> src/args_rets.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::BinaryHeap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/args_rets.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/args_rets.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/args_rets.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/args_rets.rs:7:17
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout] 
[INFO] [stderr]   |                 ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/args_rets.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]   --> src/args_rets.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::seq::SliceRandom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stderr]   --> src/args_rets.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand::{Rng, SeedableRng};
[INFO] [stderr]    |            ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Distribution`
[INFO] [stderr]   --> src/args_rets.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand_distr::{Distribution, LogNormal};
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stderr]   --> src/args_rets.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/lossy_convert.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Eq`, `Ordering`, `PartialEq`, and `max`
[INFO] [stderr]  --> src/lossy_convert.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stderr]   |                ^^^  ^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stderr]  --> src/lossy_convert.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::BinaryHeap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lossy_convert.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/lossy_convert.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lossy_convert.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hash` and `Hasher`
[INFO] [stderr]  --> src/lossy_convert.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                 ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/lossy_convert.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]   --> src/lossy_convert.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::seq::SliceRandom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stderr]   --> src/lossy_convert.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand::{Rng, SeedableRng};
[INFO] [stderr]    |            ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Distribution` and `LogNormal`
[INFO] [stderr]   --> src/lossy_convert.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand_distr::{Distribution, LogNormal};
[INFO] [stderr]    |                  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stderr]   --> src/lossy_convert.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]  --> src/main_loop.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LogNormal`
[INFO] [stderr]  --> src/main_loop.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand_distr::{Distribution, LogNormal};
[INFO] [stderr]   |                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_xoshiro::Xoshiro256StarStar`
[INFO] [stderr]  --> src/main_loop.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand_xoshiro::Xoshiro256StarStar;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ordering` and `max`
[INFO] [stderr]  --> src/queue.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::{max, Eq, Ordering, PartialEq};
[INFO] [stderr]   |                ^^^      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stderr]  --> src/queue.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::BinaryHeap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/queue.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]   --> src/queue.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rand::{Rng, SeedableRng};
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Distribution` and `LogNormal`
[INFO] [stderr]   --> src/queue.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 | use rand_distr::{Distribution, LogNormal};
[INFO] [stderr]    |                  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lossy_convert::*`
[INFO] [stderr]   --> src/queue.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use crate::lossy_convert::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/shared_rate_resource.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/shared_rate_resource.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hash` and `Hasher`
[INFO] [stderr]  --> src/shared_rate_resource.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                 ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]   --> src/shared_rate_resource.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand::{Rng, SeedableRng};
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lossy_convert::*`
[INFO] [stderr]   --> src/shared_rate_resource.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use crate::lossy_convert::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/simulation.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Atomic`
[INFO] [stderr]  --> src/simulation.rs:4:43
[INFO] [stderr]   |
[INFO] [stderr] 4 | use prometheus_client::metrics::counter::{Atomic, Counter};
[INFO] [stderr]   |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/simulation.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::{Rng, SeedableRng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lossy_convert::*`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use crate::lossy_convert::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::shared_rate_resource::*`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use crate::shared_rate_resource::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `simulation`
[INFO] [stderr]   --> src/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 |simulation, timestamp, worker_token| {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `simulation`
[INFO] [stderr]   --> src/main.rs:79:35
[INFO] [stderr]    |
[INFO] [stderr] 79 | ...                   move |simulation, timestamp| {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_simulation`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/queue.rs:330:17
[INFO] [stderr]     |
[INFO] [stderr] 330 |             for mut token in tokens_to_restore.drain(..) {
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 std::process::exit(0);
[INFO] [stderr]     |                 --------------------- any code following this expression is unreachable
[INFO] [stderr] 149 |                 Default::default()
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/main_loop.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Atomic`
[INFO] [stderr]   --> src/queue.rs:10:43
[INFO] [stderr]    |
[INFO] [stderr] 10 | use prometheus_client::metrics::counter::{Atomic, Counter};
[INFO] [stderr]    |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/shared_rate_resource.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand::{Rng, SeedableRng};
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timestamp`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     timestamp: u64,
[INFO] [stderr]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 let mut worker = {
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     let mut rng = &mut queue_foo_clone.borrow_mut().rng;
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let mut simulation = Box::new(BaseQueueSimulation::new(
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `originating_queue_name` is never read
[INFO] [stderr]    --> src/queue.rs:314:5
[INFO] [stderr]     |
[INFO] [stderr] 311 | pub struct WorkerToken<S: QueueSimulation + 'static> {
[INFO] [stderr]     |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 314 |     originating_queue_name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `status` are never read
[INFO] [stderr]   --> src/shared_rate_resource.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct SharedRateResource<S: SRRSimulation + 'static> {
[INFO] [stderr]    |            ------------------ fields in this struct
[INFO] [stderr] 48 |     id: u64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     status: Rc<RefCell<Status>>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `queueing-party` (bin "queueing-party" test) generated 61 warnings (run `cargo fix --bin "queueing-party" --tests` to apply 52 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/queueing_party-7e537c1fe729070d)
[INFO] running `Command { std: "docker" "inspect" "8cc82d37fadda618b029bdf4f3847a98e9305349cfc07232e5533df7247b4610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc82d37fadda618b029bdf4f3847a98e9305349cfc07232e5533df7247b4610", kill_on_drop: false }`
[INFO] [stdout] 8cc82d37fadda618b029bdf4f3847a98e9305349cfc07232e5533df7247b4610