[INFO] fetching crate webblender 0.1.1...
[INFO] checking webblender-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate webblender 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate webblender 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webblender 0.1.1
[INFO] finished tweaking crates.io crate webblender 0.1.1
[INFO] tweaked toml for crates.io crate webblender 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding landon v0.1.4 (latest: v0.10.2)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasm-bindgen-futures v0.3.27 (latest: v0.4.42)
[INFO] [stderr]       Adding wasm-bindgen-test v0.2.50 (latest: v0.3.42)
[INFO] [stderr]       Adding wasm-bindgen-test-macro v0.2.50 (latest: v0.3.42)
[INFO] [stderr]       Adding yaml-rust v0.3.5 (latest: v0.4.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded landon v0.1.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40abc077950e5fb3d2dc5115194da535812ed8a766962d97ea25a3edd5fadd41
[INFO] running `Command { std: "docker" "start" "-a" "40abc077950e5fb3d2dc5115194da535812ed8a766962d97ea25a3edd5fadd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40abc077950e5fb3d2dc5115194da535812ed8a766962d97ea25a3edd5fadd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40abc077950e5fb3d2dc5115194da535812ed8a766962d97ea25a3edd5fadd41", kill_on_drop: false }`
[INFO] [stdout] 40abc077950e5fb3d2dc5115194da535812ed8a766962d97ea25a3edd5fadd41
[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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f7b92ddb82339a36e0987049f1d42ed852e4ca8303f1fb151e2ac0682638a5
[INFO] running `Command { std: "docker" "start" "-a" "46f7b92ddb82339a36e0987049f1d42ed852e4ca8303f1fb151e2ac0682638a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking landon v0.1.4
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking webblender v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util::*`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub use crate::util::*;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WebGlProgram`, `WebGlShader`, `WebGlUniformLocation`
[INFO] [stdout]  --> src/gl.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use web_sys::{WebGl2RenderingContext, WebGlProgram, WebGlShader, WebGlUniformLocation};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]  --> src/gl/shader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WebGlUniformLocation`
[INFO] [stdout]  --> src/gl/shader.rs:3:66
[INFO] [stdout]   |
[INFO] [stdout] 3 | use web_sys::{WebGl2RenderingContext, WebGlProgram, WebGlShader, WebGlUniformLocation};
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::*`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub use crate::util::*;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WebGlProgram`, `WebGlShader`, `WebGlUniformLocation`
[INFO] [stdout]  --> src/gl.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use web_sys::{WebGl2RenderingContext, WebGlProgram, WebGlShader, WebGlUniformLocation};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]  --> src/gl/shader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WebGlUniformLocation`
[INFO] [stdout]  --> src/gl/shader.rs:3:66
[INFO] [stdout]   |
[INFO] [stdout] 3 | use web_sys::{WebGl2RenderingContext, WebGlProgram, WebGlShader, WebGlUniformLocation};
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SourceHash` is never used
[INFO] [stdout]  --> src/gl/shader.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type SourceHash = HashMap<String,(String,String)>;
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ShaderHash` is never used
[INFO] [stdout]  --> src/gl/shader.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type ShaderHash = HashMap<String,Shader>;
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShaderController` is never constructed
[INFO] [stdout]  --> src/gl/shader.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ShaderController{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `init_source` are never used
[INFO] [stdout]   --> src/gl/shader.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ShaderController{
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 14 |     fn new() -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn init_source<F>(&mut self,gl: &WebGl2RenderingContext,mut source_init: F)
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shader` is never constructed
[INFO] [stdout]   --> src/gl/shader.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Shader{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/gl/shader.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Shader{
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 35 |     //(vertex,frag)
[INFO] [stdout] 36 |     fn new(gl: &WebGl2RenderingContext,source: (String,String)) -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile_shader` is never used
[INFO] [stdout]   --> src/gl/shader.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn compile_shader(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `link_program` is never used
[INFO] [stdout]   --> src/gl/shader.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link_program(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dummy` is never read
[INFO] [stdout]  --> src/app.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct App{
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 2 |     dummy: u32
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SourceHash` is never used
[INFO] [stdout]  --> src/gl/shader.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type SourceHash = HashMap<String,(String,String)>;
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ShaderHash` is never used
[INFO] [stdout]  --> src/gl/shader.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type ShaderHash = HashMap<String,Shader>;
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShaderController` is never constructed
[INFO] [stdout]  --> src/gl/shader.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ShaderController{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `init_source` are never used
[INFO] [stdout]   --> src/gl/shader.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ShaderController{
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 14 |     fn new() -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn init_source<F>(&mut self,gl: &WebGl2RenderingContext,mut source_init: F)
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shader` is never constructed
[INFO] [stdout]   --> src/gl/shader.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Shader{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/gl/shader.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Shader{
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 35 |     //(vertex,frag)
[INFO] [stdout] 36 |     fn new(gl: &WebGl2RenderingContext,source: (String,String)) -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile_shader` is never used
[INFO] [stdout]   --> src/gl/shader.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn compile_shader(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `link_program` is never used
[INFO] [stdout]   --> src/gl/shader.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link_program(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dummy` is never read
[INFO] [stdout]  --> src/app.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct App{
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 2 |     dummy: u32
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "46f7b92ddb82339a36e0987049f1d42ed852e4ca8303f1fb151e2ac0682638a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f7b92ddb82339a36e0987049f1d42ed852e4ca8303f1fb151e2ac0682638a5", kill_on_drop: false }`
[INFO] [stdout] 46f7b92ddb82339a36e0987049f1d42ed852e4ca8303f1fb151e2ac0682638a5