[INFO] cloning repository https://github.com/osiewicz/dice_box
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osiewicz/dice_box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosiewicz%2Fdice_box", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosiewicz%2Fdice_box'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b43ad9ea3f7f1cd05c08c7fe23cbcf01bf13b325
[INFO] checking osiewicz/dice_box against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosiewicz%2Fdice_box" "/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/osiewicz/dice_box on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/osiewicz/dice_box
[INFO] finished tweaking git repo https://github.com/osiewicz/dice_box
[INFO] tweaked toml for git repo https://github.com/osiewicz/dice_box written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/osiewicz/dice_box 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking dice_box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/dice_box/hints.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, BTreeSet, HashMap};
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::OrderedFloat`
[INFO] [stdout]  --> src/dice_box/hints.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ordered_float::OrderedFloat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeSet` and `HashMap`
[INFO] [stdout]  --> src/dice_box/timings/visualization.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{BTreeMap, BTreeSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnitTime`
[INFO] [stdout]  --> src/dice_box/timings.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use visualization::{Timings, UnitTime};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/dice_box/hints.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, BTreeSet, HashMap};
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::OrderedFloat`
[INFO] [stdout]  --> src/dice_box/hints.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ordered_float::OrderedFloat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeSet` and `HashMap`
[INFO] [stdout]  --> src/dice_box/timings/visualization.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{BTreeMap, BTreeSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnitTime`
[INFO] [stdout]  --> src/dice_box/timings.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use visualization::{Timings, UnitTime};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/dice_box/hints.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct NHintsProvider {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 19 |     n_hints: Vec<Artifact>,
[INFO] [stdout] 20 |     inner: Box<dyn HintProvider>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NHintsProvider` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]   --> src/dice_box/timings/visualization.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct UnitTime {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `codegen_time` and `name_ver` are never used
[INFO] [stdout]    --> src/dice_box/timings/visualization.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | impl UnitTime {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 265 |     /// Returns the codegen time as (rmeta_time, codegen_time, percent of total)
[INFO] [stdout] 266 |     fn codegen_time(&self) -> Option<(f64, f64, f64)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     fn name_ver(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/dice_box/hints.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct NHintsProvider {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 19 |     n_hints: Vec<Artifact>,
[INFO] [stdout] 20 |     inner: Box<dyn HintProvider>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NHintsProvider` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]   --> src/dice_box/timings/visualization.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct UnitTime {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `codegen_time` and `name_ver` are never used
[INFO] [stdout]    --> src/dice_box/timings/visualization.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | impl UnitTime {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 265 |     /// Returns the codegen time as (rmeta_time, codegen_time, percent of total)
[INFO] [stdout] 266 |     fn codegen_time(&self) -> Option<(f64, f64, f64)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     fn name_ver(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Runner`
[INFO] [stdout]  --> src/main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dice_box::{Cli, Runner};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Runner`
[INFO] [stdout]  --> src/main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dice_box::{Cli, Runner};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "33ba2de0a0b7b533e883db8b5bd9344d612d82e4d645e126cc2f9cb3f441f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ba2de0a0b7b533e883db8b5bd9344d612d82e4d645e126cc2f9cb3f441f035", kill_on_drop: false }`
[INFO] [stdout] 33ba2de0a0b7b533e883db8b5bd9344d612d82e4d645e126cc2f9cb3f441f035