[INFO] cloning repository https://github.com/notseanray/wasm-fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notseanray/wasm-fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fwasm-fractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fwasm-fractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d8c7730c34478b932658e4b8fc173cd79048eda
[INFO] checking notseanray/wasm-fractals/2d8c7730c34478b932658e4b8fc173cd79048eda against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fwasm-fractals" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notseanray/wasm-fractals 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 git repo https://github.com/notseanray/wasm-fractals
[INFO] finished tweaking git repo https://github.com/notseanray/wasm-fractals
[INFO] tweaked toml for git repo https://github.com/notseanray/wasm-fractals written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/notseanray/wasm-fractals 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2092dc31a2c65c232cf044fa748a5ad6f67b2f02fceb63f6aed1ad3c091e2f94
[INFO] running `Command { std: "docker" "start" "-a" "2092dc31a2c65c232cf044fa748a5ad6f67b2f02fceb63f6aed1ad3c091e2f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2092dc31a2c65c232cf044fa748a5ad6f67b2f02fceb63f6aed1ad3c091e2f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2092dc31a2c65c232cf044fa748a5ad6f67b2f02fceb63f6aed1ad3c091e2f94", kill_on_drop: false }`
[INFO] [stdout] 2092dc31a2c65c232cf044fa748a5ad6f67b2f02fceb63f6aed1ad3c091e2f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2b6f32f2905b854d3aa3738d8eadbf42c192ddb3ce6b8065dd255f47500385f7
[INFO] running `Command { std: "docker" "start" "-a" "2b6f32f2905b854d3aa3738d8eadbf42c192ddb3ce6b8065dd255f47500385f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.83
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.83
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.83
[INFO] [stderr]     Checking js-sys v0.3.60
[INFO] [stderr]     Checking web-sys v0.3.60
[INFO] [stderr]     Checking wasm-fractals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/lib.rs:174:18
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/lib.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/lib.rs:174:18
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/lib.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/lib.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/lib.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `bound_ratio`, `calc_rgb_unit`, `hsv_to_rgb`, and `hsl_to_rgb` are never used
[INFO] [stdout]    --> src/lib.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 28  | impl<'a> Generator<'a> {
[INFO] [stdout]     | ---------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn bound_ratio(r: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn calc_rgb_unit(u: f64, t1: f64, t2: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn hsv_to_rgb(h: f64, s: f64, v: f64) -> (u8, u8, u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn hsl_to_rgb(h: f64, s: f64, v: f64) -> (u8, u8, u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `bound_ratio`, `calc_rgb_unit`, `hsv_to_rgb`, and `hsl_to_rgb` are never used
[INFO] [stdout]    --> src/lib.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 28  | impl<'a> Generator<'a> {
[INFO] [stdout]     | ---------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn bound_ratio(r: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn calc_rgb_unit(u: f64, t1: f64, t2: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn hsv_to_rgb(h: f64, s: f64, v: f64) -> (u8, u8, u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn hsl_to_rgb(h: f64, s: f64, v: f64) -> (u8, u8, u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "2b6f32f2905b854d3aa3738d8eadbf42c192ddb3ce6b8065dd255f47500385f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6f32f2905b854d3aa3738d8eadbf42c192ddb3ce6b8065dd255f47500385f7", kill_on_drop: false }`
[INFO] [stdout] 2b6f32f2905b854d3aa3738d8eadbf42c192ddb3ce6b8065dd255f47500385f7