[INFO] cloning repository https://github.com/winner-choichi/iron-rainbow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winner-choichi/iron-rainbow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinner-choichi%2Firon-rainbow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinner-choichi%2Firon-rainbow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de6eaaeecd6b7122ca7f841b588979b0eb3447d7
[INFO] checking winner-choichi/iron-rainbow against master#09a371361240e42b0d69438fd1179efcf212e576 for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinner-choichi%2Firon-rainbow" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/winner-choichi/iron-rainbow
[INFO] finished tweaking git repo https://github.com/winner-choichi/iron-rainbow
[INFO] tweaked toml for git repo https://github.com/winner-choichi/iron-rainbow written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/winner-choichi/iron-rainbow on toolchain 09a371361240e42b0d69438fd1179efcf212e576
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/winner-choichi/iron-rainbow 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" "+09a371361240e42b0d69438fd1179efcf212e576" "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-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking iron-rainbow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]     --> src/viewer_app.rs:1106:13
[INFO] [stdout]      |
[INFO] [stdout] 1106 |         use std::collections::hash_map::RandomState;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher`, `Hash`, and `Hasher`
[INFO] [stdout]     --> src/viewer_app.rs:1107:25
[INFO] [stdout]      |
[INFO] [stdout] 1107 |         use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]      |                         ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/viewer_app.rs:1113:13
[INFO] [stdout]      |
[INFO] [stdout] 1113 |             (rng_state as f32 / u64::MAX as f32)
[INFO] [stdout]      |             ^                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1113 -             (rng_state as f32 / u64::MAX as f32)
[INFO] [stdout] 1113 +             rng_state as f32 / u64::MAX as f32 
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]     --> src/viewer_app.rs:1106:13
[INFO] [stdout]      |
[INFO] [stdout] 1106 |         use std::collections::hash_map::RandomState;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher`, `Hash`, and `Hasher`
[INFO] [stdout]     --> src/viewer_app.rs:1107:25
[INFO] [stdout]      |
[INFO] [stdout] 1107 |         use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]      |                         ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/viewer_app.rs:1113:13
[INFO] [stdout]      |
[INFO] [stdout] 1113 |             (rng_state as f32 / u64::MAX as f32)
[INFO] [stdout]      |             ^                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1113 -             (rng_state as f32 / u64::MAX as f32)
[INFO] [stdout] 1113 +             rng_state as f32 / u64::MAX as f32 
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/viewer_app.rs:917:17
[INFO] [stdout]     |
[INFO] [stdout] 795 | /                 WindowEvent::KeyboardInput {
[INFO] [stdout] 796 | |                     event:
[INFO] [stdout] 797 | |                         KeyEvent {
[INFO] [stdout] 798 | |                             logical_key,
[INFO] [stdout] ...   |
[INFO] [stdout] 802 | |                     ..
[INFO] [stdout] 803 | |                 } => {
[INFO] [stdout]     | |_________________- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 917 | /                 WindowEvent::KeyboardInput {
[INFO] [stdout] 918 | |                     event:
[INFO] [stdout] 919 | |                         KeyEvent {
[INFO] [stdout] 920 | |                             logical_key: Key::Named(NamedKey::Escape),
[INFO] [stdout] ...   |
[INFO] [stdout] 924 | |                     ..
[INFO] [stdout] 925 | |                 } => {
[INFO] [stdout]     | |_________________^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParticleCloud` is never constructed
[INFO] [stdout]   --> src/viewer_app.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct ParticleCloud {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_screenshot` is never used
[INFO] [stdout]    --> src/viewer_app.rs:723:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl ViewerState {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 723 |     fn save_screenshot(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/viewer_app.rs:1099:8
[INFO] [stdout]      |
[INFO] [stdout] 1098 | impl ParticleCloud {
[INFO] [stdout]      | ------------------ associated function in this implementation
[INFO] [stdout] 1099 |     fn new(
[INFO] [stdout]      |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIEWER_WGSL` is never used
[INFO] [stdout]     --> src/viewer_app.rs:1148:7
[INFO] [stdout]      |
[INFO] [stdout] 1148 | const VIEWER_WGSL: &str = r#"
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/viewer_app.rs:917:17
[INFO] [stdout]     |
[INFO] [stdout] 795 | /                 WindowEvent::KeyboardInput {
[INFO] [stdout] 796 | |                     event:
[INFO] [stdout] 797 | |                         KeyEvent {
[INFO] [stdout] 798 | |                             logical_key,
[INFO] [stdout] ...   |
[INFO] [stdout] 802 | |                     ..
[INFO] [stdout] 803 | |                 } => {
[INFO] [stdout]     | |_________________- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 917 | /                 WindowEvent::KeyboardInput {
[INFO] [stdout] 918 | |                     event:
[INFO] [stdout] 919 | |                         KeyEvent {
[INFO] [stdout] 920 | |                             logical_key: Key::Named(NamedKey::Escape),
[INFO] [stdout] ...   |
[INFO] [stdout] 924 | |                     ..
[INFO] [stdout] 925 | |                 } => {
[INFO] [stdout]     | |_________________^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParticleCloud` is never constructed
[INFO] [stdout]   --> src/viewer_app.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct ParticleCloud {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_screenshot` is never used
[INFO] [stdout]    --> src/viewer_app.rs:723:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl ViewerState {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 723 |     fn save_screenshot(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/viewer_app.rs:1099:8
[INFO] [stdout]      |
[INFO] [stdout] 1098 | impl ParticleCloud {
[INFO] [stdout]      | ------------------ associated function in this implementation
[INFO] [stdout] 1099 |     fn new(
[INFO] [stdout]      |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIEWER_WGSL` is never used
[INFO] [stdout]     --> src/viewer_app.rs:1148:7
[INFO] [stdout]      |
[INFO] [stdout] 1148 | const VIEWER_WGSL: &str = r#"
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/step_1_8_parallel_rays.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for (i, result) in results.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `Command { std: "docker" "inspect" "b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350", kill_on_drop: false }`
[INFO] [stdout] b9958d5d8b72628e32301a9526d5077c702d45d27bdc6f626f03b2028a515350
