[INFO] cloning repository https://github.com/jdnewman85/orchidron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdnewman85/orchidron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdnewman85%2Forchidron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdnewman85%2Forchidron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4b82db8a2869e28e305b97d4e5d625880785ae1
[INFO] checking jdnewman85/orchidron against master#2aabf3ce0569dd7c8c2d2a27944850056dcf2566 for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdnewman85%2Forchidron" "/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/jdnewman85/orchidron
[INFO] finished tweaking git repo https://github.com/jdnewman85/orchidron
[INFO] tweaked toml for git repo https://github.com/jdnewman85/orchidron written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdnewman85/orchidron on toolchain 2aabf3ce0569dd7c8c2d2a27944850056dcf2566
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdnewman85/orchidron 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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `serde`.
[INFO] [stderr]     ... required by package `thread-rule-engine v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread-rule-engine = "^0.1.0"` of package `thread v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `orchidron 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 v1.0.164`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0"` (locked to 1.0.164) of package `libcontainer v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `libcontainer = "^0.1.0"` (locked to 0.1.0) of package `orchidron 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
       
           Updating crates.io index
       error: failed to select a version for `serde`.
           ... required by package `thread-rule-engine v0.1.0`
           ... which satisfies dependency `thread-rule-engine = "^0.1.0"` of package `thread v0.1.0`
           ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `orchidron 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 v1.0.164`
           ... which satisfies dependency `serde = "^1.0"` (locked to 1.0.164) of package `libcontainer v0.1.0`
           ... which satisfies dependency `libcontainer = "^0.1.0"` (locked to 0.1.0) of package `orchidron v0.1.0 (/workspace/builds/worker-4-tc1/source)`
       
       failed to select a version for `serde` which could resolve this conflict