[INFO] cloning repository https://github.com/jegkanikkeheddemike/floem_livebucket_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jegkanikkeheddemike/floem_livebucket_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjegkanikkeheddemike%2Ffloem_livebucket_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjegkanikkeheddemike%2Ffloem_livebucket_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fbb710fa9c332b80a13d4113d8e06b66a85a268
[INFO] checking jegkanikkeheddemike/floem_livebucket_demo against master#8317fef20409adedaa7c385fa6e954867bf626fc for pr-154149-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjegkanikkeheddemike%2Ffloem_livebucket_demo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jegkanikkeheddemike/floem_livebucket_demo
[INFO] finished tweaking git repo https://github.com/jegkanikkeheddemike/floem_livebucket_demo
[INFO] tweaked toml for git repo https://github.com/jegkanikkeheddemike/floem_livebucket_demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jegkanikkeheddemike/floem_livebucket_demo on toolchain 8317fef20409adedaa7c385fa6e954867bf626fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jegkanikkeheddemike/floem_livebucket_demo 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" "+8317fef20409adedaa7c385fa6e954867bf626fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/lapce/floem`
[INFO] [stderr]     Updating git repository `https://git@github.com/jegkanikkeheddemike/floem_livebucket_integration`
[INFO] [stderr]     Updating git repository `https://git@github.com/jegkanikkeheddemike/livebucket`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/jrmoulton/understory`
[INFO] [stderr]     Updating git repository `https://github.com/lapce/winit`
[INFO] [stderr]     Updating git repository `https://github.com/lapce/vger-rs`
[INFO] [stderr] error: failed to select a version for `serde`.
[INFO] [stderr]     ... required by package `peniko v0.6.0`
[INFO] [stderr]     ... which satisfies dependency `peniko = "^0.6.0"` of package `floem v0.2.0 (https://github.com/lapce/floem#ae651b10)`
[INFO] [stderr]     ... which satisfies git dependency `floem` of package `livebucket_demo v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.228` are: 1.0.228
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde v1.0.201`
[INFO] [stderr]     ... which satisfies dependency `serde = "*"` (locked to 1.0.201) of package `livebucket_demo v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating git repository `https://github.com/lapce/floem`
           Updating git repository `https://git@github.com/jegkanikkeheddemike/floem_livebucket_integration`
           Updating git repository `https://git@github.com/jegkanikkeheddemike/livebucket`
           Updating crates.io index
           Updating git repository `https://github.com/jrmoulton/understory`
           Updating git repository `https://github.com/lapce/winit`
           Updating git repository `https://github.com/lapce/vger-rs`
       error: failed to select a version for `serde`.
           ... required by package `peniko v0.6.0`
           ... which satisfies dependency `peniko = "^0.6.0"` of package `floem v0.2.0 (https://github.com/lapce/floem#ae651b10)`
           ... which satisfies git dependency `floem` of package `livebucket_demo v0.1.0 (/workspace/builds/worker-4-tc1/source)`
       versions that meet the requirements `^1.0.228` are: 1.0.228
       
       all possible versions conflict with previously selected packages
       
         previously selected package `serde v1.0.201`
           ... which satisfies dependency `serde = "*"` (locked to 1.0.201) of package `livebucket_demo v0.1.0 (/workspace/builds/worker-4-tc1/source)`
       
       failed to select a version for `serde` which could resolve this conflict