[INFO] cloning repository https://github.com/kuviman/snaked
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuviman/snaked" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fsnaked", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fsnaked'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26e881349ab268c44929510b2f0a93d689697b23
[INFO] checking kuviman/snaked against master#f00b02e6bbe63707503f058fb87cc3e2b25991ac for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fsnaked" "/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/kuviman/snaked on toolchain f00b02e6bbe63707503f058fb87cc3e2b25991ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kuviman/snaked
[INFO] finished tweaking git repo https://github.com/kuviman/snaked
[INFO] tweaked toml for git repo https://github.com/kuviman/snaked written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kuviman/snaked 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" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/geng-engine/geng`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/marc2332/glutin`
[INFO] [stderr] error: failed to select a version for `futures`.
[INFO] [stderr]     ... required by package `web-audio-api v0.41.0`
[INFO] [stderr]     ... which satisfies dependency `web-audio-api = "^0.41"` of package `geng-web-audio-api v0.18.0 (https://github.com/geng-engine/geng#05aad572)`
[INFO] [stderr]     ... which satisfies git dependency `geng-web-audio-api` of package `geng-audio v0.18.0 (https://github.com/geng-engine/geng#05aad572)`
[INFO] [stderr]     ... which satisfies git dependency `geng-audio` of package `geng v0.18.0 (https://github.com/geng-engine/geng#05aad572)`
[INFO] [stderr]     ... which satisfies git dependency `geng` of package `snaked v0.1.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.3.29` are: 0.3.30, 0.3.29
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `futures v0.3.28`
[INFO] [stderr]     ... which satisfies dependency `futures = "^0.3"` (locked to 0.3.28) of package `batbox v0.16.0`
[INFO] [stderr]     ... which satisfies dependency `batbox = "^0.16"` of package `geng v0.18.0 (https://github.com/geng-engine/geng#05aad572)`
[INFO] [stderr]     ... which satisfies git dependency `geng` of package `snaked v0.1.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `futures` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.