[INFO] cloning repository https://github.com/imazen/BRAG
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imazen/BRAG" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2FBRAG", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2FBRAG'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7df5271020ec33367244f1c682c7c92fb02380e4
[INFO] checking imazen/BRAG against master#2972b5e59f1c5529b6ba770437812fd83ab4ebd4 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2FBRAG" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imazen/BRAG
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/imazen/BRAG
[INFO] tweaked toml for git repo https://github.com/imazen/BRAG written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imazen/BRAG on toolchain 2972b5e59f1c5529b6ba770437812fd83ab4ebd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2972b5e59f1c5529b6ba770437812fd83ab4ebd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imazen/BRAG 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" "+2972b5e59f1c5529b6ba770437812fd83ab4ebd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/imazen/garb`
[INFO] [stderr]     Updating git repository `https://github.com/imazen/butteraugli`
[INFO] [stderr]     Updating git repository `https://github.com/imazen/zenblend`
[INFO] [stderr]     Updating git repository `https://github.com/imazen/zenjpeg`
[INFO] [stderr]     Updating git submodule `https://github.com/imazen/jpegli`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest`
[INFO] [stderr]     Updating git submodule `https://github.com/google/highway`
[INFO] [stderr]     Updating git submodule `https://github.com/mm2/Little-CMS`
[INFO] [stderr]     Updating git submodule `https://github.com/libjpeg-turbo/libjpeg-turbo.git`
[INFO] [stderr]     Updating git submodule `https://github.com/glennrp/libpng.git`
[INFO] [stderr]     Updating git submodule `https://github.com/webmproject/sjpeg.git`
[INFO] [stderr]     Updating git submodule `https://skia.googlesource.com/skcms`
[INFO] [stderr]     Updating git submodule `https://github.com/libjxl/testdata`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/imazen/zenpng`
[INFO] [stderr]     Updating git repository `https://github.com/imazen/zenresize`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `archmage`.
[INFO] [stderr]     ... required by package `zenjpeg v0.8.4 (https://github.com/imazen/zenjpeg#2029b30e)`
[INFO] [stderr]     ... which satisfies git dependency `zenjpeg` of package `brag v0.1.0 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr]     ... which satisfies path dependency `brag` (locked to 0.1.0) of package `brag-art v0.1.0 (/workspace/builds/worker-3-tc1/source/brag-art)`
[INFO] [stderr] versions that meet the requirements `^0.9.19` are: 0.9.19
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `archmage v0.9.16`
[INFO] [stderr]     ... which satisfies dependency `archmage = "^0.9.16"` (locked to 0.9.16) of package `zenblend v0.1.2 (https://github.com/imazen/zenblend#8fb609dc)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `archmage` 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
           Updating git repository `https://github.com/imazen/garb`
           Updating git repository `https://github.com/imazen/butteraugli`
           Updating git repository `https://github.com/imazen/zenblend`
           Updating git repository `https://github.com/imazen/zenjpeg`
           Updating git submodule `https://github.com/imazen/jpegli`
           Updating git submodule `https://github.com/google/googletest`
           Updating git submodule `https://github.com/google/highway`
           Updating git submodule `https://github.com/mm2/Little-CMS`
           Updating git submodule `https://github.com/libjpeg-turbo/libjpeg-turbo.git`
           Updating git submodule `https://github.com/glennrp/libpng.git`
           Updating git submodule `https://github.com/webmproject/sjpeg.git`
           Updating git submodule `https://skia.googlesource.com/skcms`
           Updating git submodule `https://github.com/libjxl/testdata`
           Updating git submodule `https://github.com/madler/zlib.git`
           Updating git repository `https://github.com/imazen/zenpng`
           Updating git repository `https://github.com/imazen/zenresize`
           Updating crates.io index
       error: failed to select a version for `archmage`.
           ... required by package `zenjpeg v0.8.4 (https://github.com/imazen/zenjpeg#2029b30e)`
           ... which satisfies git dependency `zenjpeg` of package `brag v0.1.0 (/workspace/builds/worker-3-tc1/source)`
           ... which satisfies path dependency `brag` (locked to 0.1.0) of package `brag-art v0.1.0 (/workspace/builds/worker-3-tc1/source/brag-art)`
       versions that meet the requirements `^0.9.19` are: 0.9.19
       
       all possible versions conflict with previously selected packages
       
         previously selected package `archmage v0.9.16`
           ... which satisfies dependency `archmage = "^0.9.16"` (locked to 0.9.16) of package `zenblend v0.1.2 (https://github.com/imazen/zenblend#8fb609dc)`
       
       failed to select a version for `archmage` which could resolve this conflict