[INFO] cloning repository https://github.com/alexpana/gliumvg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexpana/gliumvg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpana%2Fgliumvg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpana%2Fgliumvg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0afc69095d450e62735f479a5a65d8a2bd4c3b4
[INFO] testing alexpana/gliumvg against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpana%2Fgliumvg" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexpana/gliumvg on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexpana/gliumvg
[INFO] finished tweaking git repo https://github.com/alexpana/gliumvg
[INFO] tweaked toml for git repo https://github.com/alexpana/gliumvg written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/alexpana/gliumvg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6fa7365fd7e6ef3bb8b7a09b6c526f3fd07e65ff6038cf57006dc2891f9503d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6fa7365fd7e6ef3bb8b7a09b6c526f3fd07e65ff6038cf57006dc2891f9503d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6fa7365fd7e6ef3bb8b7a09b6c526f3fd07e65ff6038cf57006dc2891f9503d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fa7365fd7e6ef3bb8b7a09b6c526f3fd07e65ff6038cf57006dc2891f9503d", kill_on_drop: false }`
[INFO] [stdout] e6fa7365fd7e6ef3bb8b7a09b6c526f3fd07e65ff6038cf57006dc2891f9503d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c19d25424252788e5c379ad55ee6d27e4abf2315b0b051764123807ac971855
[INFO] running `Command { std: "docker" "start" "-a" "9c19d25424252788e5c379ad55ee6d27e4abf2315b0b051764123807ac971855", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glium v0.28.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]    Compiling wayland-commons v0.28.2
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling wayland-cursor v0.28.2
[INFO] [stderr]    Compiling wayland-egl v0.28.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.0
[INFO] [stderr]    Compiling glutin v0.25.1
[INFO] [stderr]    Compiling gliumvg v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::PartialOrd`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::PartialOrd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INFINITY`, `NEG_INFINITY`
[INFO] [stdout]   --> src/math.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use std::f32::{NAN, INFINITY, NEG_INFINITY};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m1`
[INFO] [stdout]   --> src/lib.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut m1: f32;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m2`
[INFO] [stdout]    --> src/lib.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut m2: f32;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/lib.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut col: Color;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/lib.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/lib.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:98:41
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/lib.rs:107:41
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/lib.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dpi`
[INFO] [stdout]    --> src/lib.rs:140:51
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stdout]     |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_dpi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GlyphPosition`
[INFO] [stdout]   --> src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct GlyphPosition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hue_helper`
[INFO] [stdout]    --> src/lib.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn hue_helper(h: f32, m1: f32, m2: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `withAlpha` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn withAlpha(self, alpha: f32) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `with_alpha`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "9c19d25424252788e5c379ad55ee6d27e4abf2315b0b051764123807ac971855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c19d25424252788e5c379ad55ee6d27e4abf2315b0b051764123807ac971855", kill_on_drop: false }`
[INFO] [stdout] 9c19d25424252788e5c379ad55ee6d27e4abf2315b0b051764123807ac971855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b58b0a6a9e608483d254d265d0e7c800cf540ba75662b3988b1b3abd5bfa6bdb
[INFO] running `Command { std: "docker" "start" "-a" "b58b0a6a9e608483d254d265d0e7c800cf540ba75662b3988b1b3abd5bfa6bdb", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::cmp::PartialOrd`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::PartialOrd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INFINITY`, `NEG_INFINITY`
[INFO] [stdout]   --> src/math.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use std::f32::{NAN, INFINITY, NEG_INFINITY};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m1`
[INFO] [stdout]   --> src/lib.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut m1: f32;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m2`
[INFO] [stdout]    --> src/lib.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut m2: f32;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/lib.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut col: Color;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/lib.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/lib.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:98:41
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/lib.rs:107:41
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/lib.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dpi`
[INFO] [stdout]    --> src/lib.rs:140:51
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stdout]     |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_dpi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GlyphPosition`
[INFO] [stdout]   --> src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct GlyphPosition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hue_helper`
[INFO] [stdout]    --> src/lib.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn hue_helper(h: f32, m1: f32, m2: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `withAlpha` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn withAlpha(self, alpha: f32) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `with_alpha`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gliumvg v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::PartialOrd`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::PartialOrd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INFINITY`, `NEG_INFINITY`
[INFO] [stdout]   --> src/math.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use std::f32::{NAN, INFINITY, NEG_INFINITY};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m1`
[INFO] [stdout]   --> src/lib.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut m1: f32;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m2`
[INFO] [stdout]    --> src/lib.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut m2: f32;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/lib.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut col: Color;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/lib.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/lib.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:98:41
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/lib.rs:107:41
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/lib.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dpi`
[INFO] [stdout]    --> src/lib.rs:140:51
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stdout]     |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_dpi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GlyphPosition`
[INFO] [stdout]   --> src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct GlyphPosition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hue_helper`
[INFO] [stdout]    --> src/lib.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn hue_helper(h: f32, m1: f32, m2: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `withAlpha` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn withAlpha(self, alpha: f32) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `with_alpha`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "b58b0a6a9e608483d254d265d0e7c800cf540ba75662b3988b1b3abd5bfa6bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58b0a6a9e608483d254d265d0e7c800cf540ba75662b3988b1b3abd5bfa6bdb", kill_on_drop: false }`
[INFO] [stdout] b58b0a6a9e608483d254d265d0e7c800cf540ba75662b3988b1b3abd5bfa6bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 084fceea85e4d331ed995b7769867b6de71b86c781b2801b197bde2457a12ef4
[INFO] running `Command { std: "docker" "start" "-a" "084fceea85e4d331ed995b7769867b6de71b86c781b2801b197bde2457a12ef4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::PartialOrd`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::PartialOrd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `INFINITY`, `NEG_INFINITY`
[INFO] [stderr]   --> src/math.rs:78:25
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use std::f32::{NAN, INFINITY, NEG_INFINITY};
[INFO] [stderr]    |                         ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m1`
[INFO] [stderr]   --> src/lib.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut m1: f32;
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m2`
[INFO] [stderr]    --> src/lib.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let mut m2: f32;
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/lib.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let mut col: Color;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/lib.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/lib.rs:98:25
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/lib.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/lib.rs:98:41
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/lib.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]    --> src/lib.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/lib.rs:107:41
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/lib.rs:140:31
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stderr]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dpi`
[INFO] [stderr]    --> src/lib.rs:140:51
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stderr]     |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_dpi`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GlyphPosition`
[INFO] [stderr]   --> src/lib.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | struct GlyphPosition {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hue_helper`
[INFO] [stderr]    --> src/lib.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn hue_helper(h: f32, m1: f32, m2: f32) -> f32 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `withAlpha` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn withAlpha(self, alpha: f32) -> Color {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `with_alpha`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialOrd`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::PartialOrd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `INFINITY`, `NEG_INFINITY`
[INFO] [stderr]   --> src/math.rs:78:25
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use std::f32::{NAN, INFINITY, NEG_INFINITY};
[INFO] [stderr]    |                         ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m1`
[INFO] [stderr]   --> src/lib.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut m1: f32;
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m2`
[INFO] [stderr]    --> src/lib.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let mut m2: f32;
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/lib.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let mut col: Color;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/lib.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/lib.rs:98:25
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/lib.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/lib.rs:98:41
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hsla(h: f32, s: f32, l: f32, a: f32) {
[INFO] [stderr]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/lib.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]    --> src/lib.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/lib.rs:107:41
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn lerp(from: Color, to: Color, u: f32) {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/lib.rs:140:31
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stderr]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dpi`
[INFO] [stderr]    --> src/lib.rs:140:51
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn begin_frame(&self, window: (i32, i32), dpi: f32) {
[INFO] [stderr]     |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_dpi`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GlyphPosition`
[INFO] [stderr]   --> src/lib.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | struct GlyphPosition {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hue_helper`
[INFO] [stderr]    --> src/lib.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn hue_helper(h: f32, m1: f32, m2: f32) -> f32 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `withAlpha` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn withAlpha(self, alpha: f32) -> Color {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `with_alpha`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gliumvg-11bd09513d3d4340
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math-041a762efc6d3b9c
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test clamp ... ok
[INFO] [stdout] test cross ... ok
[INFO] [stdout] test modf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gliumvg
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "084fceea85e4d331ed995b7769867b6de71b86c781b2801b197bde2457a12ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084fceea85e4d331ed995b7769867b6de71b86c781b2801b197bde2457a12ef4", kill_on_drop: false }`
[INFO] [stdout] 084fceea85e4d331ed995b7769867b6de71b86c781b2801b197bde2457a12ef4