[INFO] cloning repository https://github.com/windfancy/vRain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/windfancy/vRain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindfancy%2FvRain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindfancy%2FvRain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbe2be9f4d583ddcfd4d7b0b69bad0ac9438044b
[INFO] checking windfancy/vRain-rust against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindfancy%2FvRain-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/windfancy/vRain-rust
[INFO] finished tweaking git repo https://github.com/windfancy/vRain-rust
[INFO] tweaked toml for git repo https://github.com/windfancy/vRain-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/windfancy/vRain-rust on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/windfancy/vRain-rust 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `printpdf`.
[INFO] [stderr]     ... required by package `AncientBook-rust v0.1.0 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.8.2` (locked to 0.8.2) are: 0.8.2
[INFO] [stderr] 
[INFO] [stderr] package `AncientBook-rust` depends on `printpdf` with feature `jpeg，png` but `printpdf` does not have that feature.
[INFO] [stderr] help: available features: azul-core, azul-css, azul-layout, bmp, dds, default, gif, hdr, html, ico, jpeg, js-sys, kuchiki, png, pnm, rayon, rust-fontconfig, text_layout, tga, tiff, wasm-bindgen-futures, web-sys, webp, xmlparser
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `printpdf` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating crates.io index
       error: failed to select a version for `printpdf`.
           ... required by package `AncientBook-rust v0.1.0 (/workspace/builds/worker-0-tc1/source)`
       versions that meet the requirements `^0.8.2` (locked to 0.8.2) are: 0.8.2
       
       package `AncientBook-rust` depends on `printpdf` with feature `jpeg，png` but `printpdf` does not have that feature.
       help: available features: azul-core, azul-css, azul-layout, bmp, dds, default, gif, hdr, html, ico, jpeg, js-sys, kuchiki, png, pnm, rayon, rust-fontconfig, text_layout, tga, tiff, wasm-bindgen-futures, web-sys, webp, xmlparser
       
       
       failed to select a version for `printpdf` which could resolve this conflict