[INFO] cloning repository https://github.com/cjstock/rusty-splash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjstock/rusty-splash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjstock%2Frusty-splash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjstock%2Frusty-splash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fc4b7555cb2f148cae5f8ce0d3f17a9960b5717
[INFO] checking cjstock/rusty-splash against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjstock%2Frusty-splash" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjstock/rusty-splash on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjstock/rusty-splash
[INFO] finished tweaking git repo https://github.com/cjstock/rusty-splash
[INFO] tweaked toml for git repo https://github.com/cjstock/rusty-splash written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cjstock/rusty-splash 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "85d8ecb88a55f7f75969718ce3be444511aaef496fffdcc2b6e1a311d5d51554", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `IntoParallelRefMutIterator`
[INFO] [stdout]  --> src/cdragon.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `default`, `fmt::Display`, `path::PathBuf`
[INFO] [stdout]  --> src/cdragon.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, default, fmt::Display, path::PathBuf, u32, u64};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/splashes.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ops::Deref,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoParallelRefMutIterator`
[INFO] [stdout]  --> src/cdragon.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `default`, `fmt::Display`, `path::PathBuf`
[INFO] [stdout]  --> src/cdragon.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, default, fmt::Display, path::PathBuf, u32, u64};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/splashes.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ops::Deref,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelIterator`
[INFO] [stdout]  --> src/cdragon.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self` is never read
[INFO] [stdout]   --> src/cache.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         self = serde_json::from_str(&cached_data.to_owned())?;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelIterator`
[INFO] [stdout]  --> src/cdragon.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self` is never read
[INFO] [stdout]   --> src/cache.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         self = serde_json::from_str(&cached_data.to_owned())?;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_best` is never read
[INFO] [stdout]   --> src/tiled_splash.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut temp_best: TileParams = TileParams::default();
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]   --> src/cdragon.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl CDragon {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn fetch_plugins() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn get_plugins() -> Result<Vec<Plugin>, serde_json::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn fetch_champions() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn get_champions() -> Result<HashMap<u64, Champion>, serde_json::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn fetch_champion(id: u64) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn populate_skins(champion: &mut Champion) -> Result<(), serde_json::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cdragon.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Self::populate_skins(&mut champion.1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let _ = Self::populate_skins(&mut champion.1);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_best` is never read
[INFO] [stdout]   --> src/tiled_splash.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut temp_best: TileParams = TileParams::default();
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cdragon.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Self::populate_skins(&mut champion.1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let _ = Self::populate_skins(&mut champion.1);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "8c35d032dd5dc5641b2d3d3fe6f986ddfd9c6c7bb2a5c911b99e243260a9c7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c35d032dd5dc5641b2d3d3fe6f986ddfd9c6c7bb2a5c911b99e243260a9c7a2", kill_on_drop: false }`
[INFO] [stdout] 8c35d032dd5dc5641b2d3d3fe6f986ddfd9c6c7bb2a5c911b99e243260a9c7a2