[INFO] cloning repository https://github.com/suhrawardi/generative-art
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhrawardi/generative-art" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhrawardi%2Fgenerative-art", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhrawardi%2Fgenerative-art'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc348273d12d073e215c0689c449ec2b6bf4e2df
[INFO] checking suhrawardi/generative-art against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhrawardi%2Fgenerative-art" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/suhrawardi/generative-art
[INFO] finished tweaking git repo https://github.com/suhrawardi/generative-art
[INFO] tweaked toml for git repo https://github.com/suhrawardi/generative-art written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/suhrawardi/generative-art on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/suhrawardi/generative-art 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" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.6.0
[INFO] [stderr]   Downloaded serde_json v1.0.62
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded image v0.23.13
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e
[INFO] running `Command { std: "docker" "start" "6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e", 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" "6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e", 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" "6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]     Checking x11-dl v2.18.5
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]     Checking rusttype v0.7.9
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]  --> src/main.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Uniform};
[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: `Uniform`
[INFO] [stdout]  --> src/main.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut next_gen = vec![0; self.cells.len()];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut next_gen = vec![0; self.cells.len()];
[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: fields `cells` and `rule_set` are never read
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Ca {
[INFO] [stdout]    |        -- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     cells: Vec<i32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     rule_set: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `generate` and `rule` are never used
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Ca {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn generate(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn rule(&self, a: i32, b: i32, c: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `texture_capturer` is never read
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | struct Model {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     texture_capturer: wgpu::TextureCapturer,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     &draw.background().color(LIGHTSLATEGRAY);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let _ = &draw.background().color(LIGHTSLATEGRAY);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cells` and `rule_set` are never read
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Ca {
[INFO] [stdout]    |        -- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     cells: Vec<i32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     rule_set: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `generate` and `rule` are never used
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Ca {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn generate(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn rule(&self, a: i32, b: i32, c: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `texture_capturer` is never read
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | struct Model {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     texture_capturer: wgpu::TextureCapturer,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     &draw.background().color(LIGHTSLATEGRAY);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let _ = &draw.background().color(LIGHTSLATEGRAY);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xcb v0.9.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e", kill_on_drop: false }`
[INFO] [stdout] 6a83526ef95950d2cadf39b984c3c2f5734de7dc4b82e74bdb05ef55311dcc6e
