[INFO] cloning repository https://github.com/fkaa/curve_fit_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkaa/curve_fit_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fcurve_fit_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fcurve_fit_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50a07aa3291b48aebbf69d7c18dfe9e7fa8f60b0
[INFO] testing fkaa/curve_fit_test against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fcurve_fit_test" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fkaa/curve_fit_test
[INFO] finished tweaking git repo https://github.com/fkaa/curve_fit_test
[INFO] tweaked toml for git repo https://github.com/fkaa/curve_fit_test written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fkaa/curve_fit_test on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fkaa/curve_fit_test 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/fkaa/font-kit/`
[INFO] [stderr]     Updating git repository `https://github.com/fkaa/rg/`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37fd20c6b8781a52774ed536f08c23ccf3971ed8185f82a6e946cd56ee7cebb7
[INFO] running `Command { std: "docker" "start" "-a" "37fd20c6b8781a52774ed536f08c23ccf3971ed8185f82a6e946cd56ee7cebb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fd20c6b8781a52774ed536f08c23ccf3971ed8185f82a6e946cd56ee7cebb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fd20c6b8781a52774ed536f08c23ccf3971ed8185f82a6e946cd56ee7cebb7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0660ccacca1e4945c5619e8f26df2cf4e610bd5d0ee3ec27eb8075dff8b757eb
[INFO] running `Command { std: "docker" "start" "-a" "0660ccacca1e4945c5619e8f26df2cf4e610bd5d0ee3ec27eb8075dff8b757eb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling pkg-config v0.3.14
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[INFO] [stderr]    Compiling num-traits v0.2.6
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[INFO] [stderr]    Compiling rand_pcg v0.1.1
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[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling x11-dl v2.18.3
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[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
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[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling euclid v0.19.4
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.21.10
[INFO] [stderr]    Compiling wayland-protocols v0.21.10
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.10
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling andrew v0.1.4
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling lyon_geom v0.12.2
[INFO] [stderr]    Compiling lyon_path v0.12.0
[INFO] [stderr]    Compiling font-kit v0.1.0 (https://github.com/fkaa/font-kit/?branch=freetype-fix#c0ec9813)
[INFO] [stderr]    Compiling rg v0.1.0 (https://github.com/fkaa/rg/?rev=feaea7928bf4f76cf94b4a744d1a5ee02d24901d#feaea792)
[INFO] [stderr]    Compiling wayland-commons v0.21.10
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.4
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling curve_fit_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 53 |             .filter(|&(i, e)| e > threshold)
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |             .map(|(i, e)| i)
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]    --> src/main.rs:392:13
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let errors = fitter.errors();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |             let a = n[i - 1];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/main.rs:406:17
[INFO] [stdout]     |
[INFO] [stdout] 406 |             let d = n[i + 2];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sz`
[INFO] [stdout]    --> src/main.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |             let sz = 4f32;
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_sz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tz`
[INFO] [stdout]    --> src/main.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 let tz = (t - t1) / (t2 - t1);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_tz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:249:52
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 glutin::Event::WindowEvent{ event, window_id } => match event {
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device_id`
[INFO] [stdout]    --> src/main.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         device_id,
[INFO] [stdout]     |                         ^^^^^^^^^ help: try ignoring the field: `device_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/main.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         state,
[INFO] [stdout]     |                         ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]    --> src/main.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         button,
[INFO] [stdout]     |                         ^^^^^^ help: try ignoring the field: `button: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modifiers`
[INFO] [stdout]    --> src/main.rs:281:25
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         modifiers
[INFO] [stdout]     |                         ^^^^^^^^^ help: try ignoring the field: `modifiers: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pos`
[INFO] [stdout]    --> src/main.rs:287:29
[INFO] [stdout]     |
[INFO] [stdout] 287 |                         let new_pos = position.to_physical(dpi_factor);
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut wnd = glutin::GlWindow::new(winit_window, context, &ev_loop).unwrap();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut renderer = RgOpenGlRenderer::new(width as f32, height as f32).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut list = &mut cxt.draw_list;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:725:46
[INFO] [stdout]     |
[INFO] [stdout] 725 |                     VariableBinding::Uniform(name, id) => {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:725:52
[INFO] [stdout]     |
[INFO] [stdout] 725 |                     VariableBinding::Uniform(name, id) => {
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CSpline` is never constructed
[INFO] [stdout]    --> src/main.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct CSpline {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `catmull_rom` is never used
[INFO] [stdout]    --> src/main.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn catmull_rom(p0: f32, p1: f32, p2: f32, p3: f32, t: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_data` is never used
[INFO] [stdout]    --> src/main.rs:811:8
[INFO] [stdout]     |
[INFO] [stdout] 790 | impl Buffer {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 811 |     fn with_data(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `projection` is never read
[INFO] [stdout]    --> src/main.rs:887:5
[INFO] [stdout]     |
[INFO] [stdout] 886 | struct CommonUniforms {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] 887 |     projection: [f32; 16],
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]    --> src/main.rs:890:8
[INFO] [stdout]     |
[INFO] [stdout] 890 | struct Vertex {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `texture` is never read
[INFO] [stdout]    --> src/main.rs:896:5
[INFO] [stdout]     |
[INFO] [stdout] 895 | struct RgOpenGlRenderer {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 896 |     texture: Texture,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.58s
[INFO] running `Command { std: "docker" "inspect" "0660ccacca1e4945c5619e8f26df2cf4e610bd5d0ee3ec27eb8075dff8b757eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0660ccacca1e4945c5619e8f26df2cf4e610bd5d0ee3ec27eb8075dff8b757eb", kill_on_drop: false }`
[INFO] [stdout] 0660ccacca1e4945c5619e8f26df2cf4e610bd5d0ee3ec27eb8075dff8b757eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3657aee9a154b46c7e761e978038b777dd8b5fce7c70ed53c6c883d38732c1
[INFO] running `Command { std: "docker" "start" "-a" "5a3657aee9a154b46c7e761e978038b777dd8b5fce7c70ed53c6c883d38732c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling curve_fit_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 53 |             .filter(|&(i, e)| e > threshold)
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |             .map(|(i, e)| i)
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]    --> src/main.rs:392:13
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let errors = fitter.errors();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |             let a = n[i - 1];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/main.rs:406:17
[INFO] [stdout]     |
[INFO] [stdout] 406 |             let d = n[i + 2];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sz`
[INFO] [stdout]    --> src/main.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |             let sz = 4f32;
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_sz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tz`
[INFO] [stdout]    --> src/main.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 let tz = (t - t1) / (t2 - t1);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_tz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:249:52
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 glutin::Event::WindowEvent{ event, window_id } => match event {
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device_id`
[INFO] [stdout]    --> src/main.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         device_id,
[INFO] [stdout]     |                         ^^^^^^^^^ help: try ignoring the field: `device_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/main.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         state,
[INFO] [stdout]     |                         ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]    --> src/main.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         button,
[INFO] [stdout]     |                         ^^^^^^ help: try ignoring the field: `button: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modifiers`
[INFO] [stdout]    --> src/main.rs:281:25
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         modifiers
[INFO] [stdout]     |                         ^^^^^^^^^ help: try ignoring the field: `modifiers: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pos`
[INFO] [stdout]    --> src/main.rs:287:29
[INFO] [stdout]     |
[INFO] [stdout] 287 |                         let new_pos = position.to_physical(dpi_factor);
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut wnd = glutin::GlWindow::new(winit_window, context, &ev_loop).unwrap();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut renderer = RgOpenGlRenderer::new(width as f32, height as f32).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut list = &mut cxt.draw_list;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:725:46
[INFO] [stdout]     |
[INFO] [stdout] 725 |                     VariableBinding::Uniform(name, id) => {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:725:52
[INFO] [stdout]     |
[INFO] [stdout] 725 |                     VariableBinding::Uniform(name, id) => {
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CSpline` is never constructed
[INFO] [stdout]    --> src/main.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct CSpline {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `catmull_rom` is never used
[INFO] [stdout]    --> src/main.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn catmull_rom(p0: f32, p1: f32, p2: f32, p3: f32, t: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_data` is never used
[INFO] [stdout]    --> src/main.rs:811:8
[INFO] [stdout]     |
[INFO] [stdout] 790 | impl Buffer {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 811 |     fn with_data(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `projection` is never read
[INFO] [stdout]    --> src/main.rs:887:5
[INFO] [stdout]     |
[INFO] [stdout] 886 | struct CommonUniforms {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] 887 |     projection: [f32; 16],
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]    --> src/main.rs:890:8
[INFO] [stdout]     |
[INFO] [stdout] 890 | struct Vertex {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `texture` is never read
[INFO] [stdout]    --> src/main.rs:896:5
[INFO] [stdout]     |
[INFO] [stdout] 895 | struct RgOpenGlRenderer {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 896 |     texture: Texture,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "5a3657aee9a154b46c7e761e978038b777dd8b5fce7c70ed53c6c883d38732c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3657aee9a154b46c7e761e978038b777dd8b5fce7c70ed53c6c883d38732c1", kill_on_drop: false }`
[INFO] [stdout] 5a3657aee9a154b46c7e761e978038b777dd8b5fce7c70ed53c6c883d38732c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4580ba9bf300c5ea65ee33cb1e65b05e9e939de28a25c2cee0fc52a1819ab214
[INFO] running `Command { std: "docker" "start" "-a" "4580ba9bf300c5ea65ee33cb1e65b05e9e939de28a25c2cee0fc52a1819ab214", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |             .filter(|&(i, e)| e > threshold)
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |             .map(|(i, e)| i)
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errors`
[INFO] [stderr]    --> src/main.rs:392:13
[INFO] [stderr]     |
[INFO] [stderr] 392 |         let errors = fitter.errors();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/main.rs:403:17
[INFO] [stderr]     |
[INFO] [stderr] 403 |             let a = n[i - 1];
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]    --> src/main.rs:406:17
[INFO] [stderr]     |
[INFO] [stderr] 406 |             let d = n[i + 2];
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sz`
[INFO] [stderr]    --> src/main.rs:412:17
[INFO] [stderr]     |
[INFO] [stderr] 412 |             let sz = 4f32;
[INFO] [stderr]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_sz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tz`
[INFO] [stderr]    --> src/main.rs:427:21
[INFO] [stderr]     |
[INFO] [stderr] 427 |                 let tz = (t - t1) / (t2 - t1);
[INFO] [stderr]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_tz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_id`
[INFO] [stderr]    --> src/main.rs:249:52
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 glutin::Event::WindowEvent{ event, window_id } => match event {
[INFO] [stderr]     |                                                    ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `device_id`
[INFO] [stderr]    --> src/main.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                         device_id,
[INFO] [stderr]     |                         ^^^^^^^^^ help: try ignoring the field: `device_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/main.rs:279:25
[INFO] [stderr]     |
[INFO] [stderr] 279 |                         state,
[INFO] [stderr]     |                         ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `button`
[INFO] [stderr]    --> src/main.rs:280:25
[INFO] [stderr]     |
[INFO] [stderr] 280 |                         button,
[INFO] [stderr]     |                         ^^^^^^ help: try ignoring the field: `button: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `modifiers`
[INFO] [stderr]    --> src/main.rs:281:25
[INFO] [stderr]     |
[INFO] [stderr] 281 |                         modifiers
[INFO] [stderr]     |                         ^^^^^^^^^ help: try ignoring the field: `modifiers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_pos`
[INFO] [stderr]    --> src/main.rs:287:29
[INFO] [stderr]     |
[INFO] [stderr] 287 |                         let new_pos = position.to_physical(dpi_factor);
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let mut wnd = glutin::GlWindow::new(winit_window, context, &ev_loop).unwrap();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |     let mut renderer = RgOpenGlRenderer::new(width as f32, height as f32).unwrap();
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 |         let mut list = &mut cxt.draw_list;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:725:46
[INFO] [stderr]     |
[INFO] [stderr] 725 |                     VariableBinding::Uniform(name, id) => {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/main.rs:725:52
[INFO] [stderr]     |
[INFO] [stderr] 725 |                     VariableBinding::Uniform(name, id) => {
[INFO] [stderr]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CSpline` is never constructed
[INFO] [stderr]    --> src/main.rs:127:8
[INFO] [stderr]     |
[INFO] [stderr] 127 | struct CSpline {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `catmull_rom` is never used
[INFO] [stderr]    --> src/main.rs:194:4
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn catmull_rom(p0: f32, p1: f32, p2: f32, p3: f32, t: f32) -> f32 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `with_data` is never used
[INFO] [stderr]    --> src/main.rs:811:8
[INFO] [stderr]     |
[INFO] [stderr] 790 | impl Buffer {
[INFO] [stderr]     | ----------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 811 |     fn with_data(
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `projection` is never read
[INFO] [stderr]    --> src/main.rs:887:5
[INFO] [stderr]     |
[INFO] [stderr] 886 | struct CommonUniforms {
[INFO] [stderr]     |        -------------- field in this struct
[INFO] [stderr] 887 |     projection: [f32; 16],
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vertex` is never constructed
[INFO] [stderr]    --> src/main.rs:890:8
[INFO] [stderr]     |
[INFO] [stderr] 890 | struct Vertex {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `texture` is never read
[INFO] [stderr]    --> src/main.rs:896:5
[INFO] [stderr]     |
[INFO] [stderr] 895 | struct RgOpenGlRenderer {
[INFO] [stderr]     |        ---------------- field in this struct
[INFO] [stderr] 896 |     texture: Texture,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `curve_fit_test` (bin "curve_fit_test" test) generated 24 warnings (run `cargo fix --bin "curve_fit_test" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/curve_fit_test-7475f5d550afcf84)
[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" "4580ba9bf300c5ea65ee33cb1e65b05e9e939de28a25c2cee0fc52a1819ab214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4580ba9bf300c5ea65ee33cb1e65b05e9e939de28a25c2cee0fc52a1819ab214", kill_on_drop: false }`
[INFO] [stdout] 4580ba9bf300c5ea65ee33cb1e65b05e9e939de28a25c2cee0fc52a1819ab214
