[INFO] cloning repository https://github.com/ansufw/cr8s
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ansufw/cr8s" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fansufw%2Fcr8s", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fansufw%2Fcr8s'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 514f9f39154275c9f7bf3ea8fd54b390dff22345
[INFO] checking ansufw/cr8s against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fansufw%2Fcr8s" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ansufw/cr8s
[INFO] finished tweaking git repo https://github.com/ansufw/cr8s
[INFO] tweaked toml for git repo https://github.com/ansufw/cr8s written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ansufw/cr8s on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ansufw/cr8s 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `diesel`.
[INFO] [stderr]     ... required by package `diesel-async v0.7.4`
[INFO] [stderr]     ... which satisfies dependency `diesel-async = "^0.7.4"` of package `cr8s v0.1.0 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] versions that meet the requirements `~2.3.0` are: 2.3.7, 2.3.6, 2.3.5, 2.3.4, 2.3.3, 2.3.2, 2.3.1, 2.3.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `diesel v2.1.1`
[INFO] [stderr]     ... which satisfies dependency `diesel = "~2.1.1"` of package `diesel-async v0.4.1`
[INFO] [stderr]     ... which satisfies dependency `diesel-async = "^0.4.1"` of package `rocket_db_pools v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `rocket_db_pools = "^0.2"` of package `cr8s v0.1.0 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `diesel` 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
       error: failed to select a version for `diesel`.
           ... required by package `diesel-async v0.7.4`
           ... which satisfies dependency `diesel-async = "^0.7.4"` of package `cr8s v0.1.0 (/workspace/builds/worker-0-tc1/source)`
       versions that meet the requirements `~2.3.0` are: 2.3.7, 2.3.6, 2.3.5, 2.3.4, 2.3.3, 2.3.2, 2.3.1, 2.3.0
       
       all possible versions conflict with previously selected packages
       
         previously selected package `diesel v2.1.1`
           ... which satisfies dependency `diesel = "~2.1.1"` of package `diesel-async v0.4.1`
           ... which satisfies dependency `diesel-async = "^0.4.1"` of package `rocket_db_pools v0.2.0`
           ... which satisfies dependency `rocket_db_pools = "^0.2"` of package `cr8s v0.1.0 (/workspace/builds/worker-0-tc1/source)`
       
       failed to select a version for `diesel` which could resolve this conflict