[INFO] cloning repository https://github.com/jjl/dryad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjl/dryad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjl%2Fdryad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjl%2Fdryad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9af89cbe88807850a2affdcea42f016ca73b11f
[INFO] testing jjl/dryad against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjl%2Fdryad" "/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/jjl/dryad
[INFO] finished tweaking git repo https://github.com/jjl/dryad
[INFO] tweaked toml for git repo https://github.com/jjl/dryad written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jjl/dryad on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jjl/dryad 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/linebender/druid`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `fluent-langneg`.
[INFO] [stderr]     ... required by package `fluent-bundle v0.15.3`
[INFO] [stderr]     ... which satisfies dependency `fluent-bundle = "^0.15.3"` of package `druid v0.8.3 (https://github.com/linebender/druid#5ac72d65)`
[INFO] [stderr]     ... which satisfies git dependency `druid` of package `dryad v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.13` (locked to 0.13.0) are: 0.13.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `fluent-langneg v0.13.1`
[INFO] [stderr]     ... which satisfies dependency `fluent-langneg = "^0.13.1"` of package `druid v0.8.3 (https://github.com/linebender/druid#5ac72d65)`
[INFO] [stderr]     ... which satisfies git dependency `druid` of package `dryad v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `fluent-langneg` 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/linebender/druid`
           Updating crates.io index
       error: failed to select a version for `fluent-langneg`.
           ... required by package `fluent-bundle v0.15.3`
           ... which satisfies dependency `fluent-bundle = "^0.15.3"` of package `druid v0.8.3 (https://github.com/linebender/druid#5ac72d65)`
           ... which satisfies git dependency `druid` of package `dryad v0.1.0 (/workspace/builds/worker-4-tc1/source)`
       versions that meet the requirements `^0.13` (locked to 0.13.0) are: 0.13.0
       
       all possible versions conflict with previously selected packages.
       
         previously selected package `fluent-langneg v0.13.1`
           ... which satisfies dependency `fluent-langneg = "^0.13.1"` of package `druid v0.8.3 (https://github.com/linebender/druid#5ac72d65)`
           ... which satisfies git dependency `druid` of package `dryad v0.1.0 (/workspace/builds/worker-4-tc1/source)`
       
       failed to select a version for `fluent-langneg` which could resolve this conflict