[INFO] cloning repository https://github.com/nicksenger/spectromox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicksenger/spectromox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicksenger%2Fspectromox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicksenger%2Fspectromox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91af8747b0374eca59593c8d6b61f3f77591ae46
[INFO] checking nicksenger/spectromox against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicksenger%2Fspectromox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nicksenger/spectromox
[INFO] finished tweaking git repo https://github.com/nicksenger/spectromox
[INFO] tweaked toml for git repo https://github.com/nicksenger/spectromox written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicksenger/spectromox on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nicksenger/spectromox 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/anp/moxie.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `once_cell`.
[INFO] [stderr]     ... required by package `ahash v0.7.7`
[INFO] [stderr]     ... which satisfies dependency `ahash = "^0.7.0"` of package `hashbrown v0.12.0`
[INFO] [stderr]     ... which satisfies dependency `hashbrown = "^0.12.0"` of package `dyn-cache v0.12.2 (https://github.com/anp/moxie.git?branch=main#4f71b6f2)`
[INFO] [stderr]     ... which satisfies git dependency `dyn-cache` of package `moxie v0.7.1 (https://github.com/anp/moxie.git?branch=main#4f71b6f2)`
[INFO] [stderr]     ... which satisfies git dependency `moxie` of package `fluorophore v0.1.0 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.13.1` are: 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21.0, 1.20.3, 1.20.2, 1.20.1, 1.19.0, 1.18.0, 1.17.2, 1.17.1, 1.17.0, 1.16.0, 1.15.0, 1.14.0, 1.13.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `once_cell v1.4.1`
[INFO] [stderr]     ... which satisfies dependency `once_cell = "^1.4.0"` (locked to 1.4.1) of package `topo v0.13.2 (https://github.com/anp/moxie.git?branch=main#4f71b6f2)`
[INFO] [stderr]     ... which satisfies git dependency `topo` of package `fluorophore v0.1.0 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `once_cell` 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 git repository `https://github.com/anp/moxie.git`
           Updating crates.io index
       error: failed to select a version for `once_cell`.
           ... required by package `ahash v0.7.7`
           ... which satisfies dependency `ahash = "^0.7.0"` of package `hashbrown v0.12.0`
           ... which satisfies dependency `hashbrown = "^0.12.0"` of package `dyn-cache v0.12.2 (https://github.com/anp/moxie.git?branch=main#4f71b6f2)`
           ... which satisfies git dependency `dyn-cache` of package `moxie v0.7.1 (https://github.com/anp/moxie.git?branch=main#4f71b6f2)`
           ... which satisfies git dependency `moxie` of package `fluorophore v0.1.0 (/workspace/builds/worker-6-tc1/source)`
       versions that meet the requirements `^1.13.1` are: 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21.0, 1.20.3, 1.20.2, 1.20.1, 1.19.0, 1.18.0, 1.17.2, 1.17.1, 1.17.0, 1.16.0, 1.15.0, 1.14.0, 1.13.1
       
       all possible versions conflict with previously selected packages
       
         previously selected package `once_cell v1.4.1`
           ... which satisfies dependency `once_cell = "^1.4.0"` (locked to 1.4.1) of package `topo v0.13.2 (https://github.com/anp/moxie.git?branch=main#4f71b6f2)`
           ... which satisfies git dependency `topo` of package `fluorophore v0.1.0 (/workspace/builds/worker-6-tc1/source)`
       
       failed to select a version for `once_cell` which could resolve this conflict