[INFO] cloning repository https://github.com/nathanphoffman/DiceRoller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanphoffman/DiceRoller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanphoffman%2FDiceRoller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanphoffman%2FDiceRoller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 277a8d524cadbcab5bac435c16c3bea97e00f373
[INFO] testing nathanphoffman/DiceRoller against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanphoffman%2FDiceRoller" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nathanphoffman/DiceRoller
[INFO] finished tweaking git repo https://github.com/nathanphoffman/DiceRoller
[INFO] tweaked toml for git repo https://github.com/nathanphoffman/DiceRoller written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nathanphoffman/DiceRoller on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nathanphoffman/DiceRoller 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecaf6e5772c22918f5d1b30caa22383588d939fafa87582e3702f8f9e1c5e192
[INFO] running `Command { std: "docker" "start" "-a" "ecaf6e5772c22918f5d1b30caa22383588d939fafa87582e3702f8f9e1c5e192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecaf6e5772c22918f5d1b30caa22383588d939fafa87582e3702f8f9e1c5e192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaf6e5772c22918f5d1b30caa22383588d939fafa87582e3702f8f9e1c5e192", kill_on_drop: false }`
[INFO] [stdout] ecaf6e5772c22918f5d1b30caa22383588d939fafa87582e3702f8f9e1c5e192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35c746b948d12466579ab9e66bc3adf966290afe567fedabf0df8e88cb7b1d8
[INFO] running `Command { std: "docker" "start" "-a" "f35c746b948d12466579ab9e66bc3adf966290afe567fedabf0df8e88cb7b1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling DiceRoller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng` and `rngs::ThreadRng`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{rngs::ThreadRng, Rng};
[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: `sync::Arc`
[INFO] [stdout]  --> src/roller.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Range, sync::Arc};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut final_results: Vec<u32> = roller::combine_results_add(&positive_results);
[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: unused variable: `keyword`
[INFO] [stdout]   --> src/command.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let keyword = commands.unwrap().0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `negative_combined_results`
[INFO] [stdout]   --> src/command.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let negative_combined_results: Vec<u32> = roller::combine_results_add(&negative_results);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_negative_combined_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_sum`
[INFO] [stdout]   --> src/command.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let final_sum: u32 = get_sum(&final_results);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_dice_command_valid` is never used
[INFO] [stdout]   --> src/command.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn is_dice_command_valid(command: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_results_subtract` is never used
[INFO] [stdout]   --> src/roller.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn combine_results_subtract(results: &Vec<Vec<u32>>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.14s
[INFO] running `Command { std: "docker" "inspect" "f35c746b948d12466579ab9e66bc3adf966290afe567fedabf0df8e88cb7b1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35c746b948d12466579ab9e66bc3adf966290afe567fedabf0df8e88cb7b1d8", kill_on_drop: false }`
[INFO] [stdout] f35c746b948d12466579ab9e66bc3adf966290afe567fedabf0df8e88cb7b1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66d692330e29742b866cc3d73ba17b22124e0cb22a59305aaad62f78fd18939
[INFO] running `Command { std: "docker" "start" "-a" "b66d692330e29742b866cc3d73ba17b22124e0cb22a59305aaad62f78fd18939", kill_on_drop: false }`
[INFO] [stderr]    Compiling DiceRoller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng` and `rngs::ThreadRng`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{rngs::ThreadRng, Rng};
[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: `sync::Arc`
[INFO] [stdout]  --> src/roller.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Range, sync::Arc};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut final_results: Vec<u32> = roller::combine_results_add(&positive_results);
[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: unused variable: `keyword`
[INFO] [stdout]   --> src/command.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let keyword = commands.unwrap().0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `negative_combined_results`
[INFO] [stdout]   --> src/command.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let negative_combined_results: Vec<u32> = roller::combine_results_add(&negative_results);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_negative_combined_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_sum`
[INFO] [stdout]   --> src/command.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let final_sum: u32 = get_sum(&final_results);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_dice_command_valid` is never used
[INFO] [stdout]   --> src/command.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn is_dice_command_valid(command: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_results_subtract` is never used
[INFO] [stdout]   --> src/roller.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn combine_results_subtract(results: &Vec<Vec<u32>>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "b66d692330e29742b866cc3d73ba17b22124e0cb22a59305aaad62f78fd18939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66d692330e29742b866cc3d73ba17b22124e0cb22a59305aaad62f78fd18939", kill_on_drop: false }`
[INFO] [stdout] b66d692330e29742b866cc3d73ba17b22124e0cb22a59305aaad62f78fd18939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c62ae27e52e44e3dc89e64cf9a561730fe395eaa44fae2609e050b68af24af0c
[INFO] running `Command { std: "docker" "start" "-a" "c62ae27e52e44e3dc89e64cf9a561730fe395eaa44fae2609e050b68af24af0c", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Rng` and `rngs::ThreadRng`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{rngs::ThreadRng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]  --> src/roller.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{ops::Range, sync::Arc};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut final_results: Vec<u32> = roller::combine_results_add(&positive_results);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword`
[INFO] [stderr]   --> src/command.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let keyword = commands.unwrap().0;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `negative_combined_results`
[INFO] [stderr]   --> src/command.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let negative_combined_results: Vec<u32> = roller::combine_results_add(&negative_results);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_negative_combined_results`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `final_sum`
[INFO] [stderr]   --> src/command.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let final_sum: u32 = get_sum(&final_results);
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_dice_command_valid` is never used
[INFO] [stderr]   --> src/command.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn is_dice_command_valid(command: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `combine_results_subtract` is never used
[INFO] [stderr]   --> src/roller.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn combine_results_subtract(results: &Vec<Vec<u32>>) -> Vec<u32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `DiceRoller` (bin "DiceRoller" test) generated 8 warnings (run `cargo fix --bin "DiceRoller" -p DiceRoller --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/DiceRoller-54d916e0e27594d0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c62ae27e52e44e3dc89e64cf9a561730fe395eaa44fae2609e050b68af24af0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62ae27e52e44e3dc89e64cf9a561730fe395eaa44fae2609e050b68af24af0c", kill_on_drop: false }`
[INFO] [stdout] c62ae27e52e44e3dc89e64cf9a561730fe395eaa44fae2609e050b68af24af0c
