[INFO] fetching crate chidori 0.1.28...
[INFO] checking chidori-0.1.28 against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-1
[INFO] extracting crate chidori 0.1.28 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate chidori 0.1.28
[INFO] finished tweaking crates.io crate chidori 0.1.28
[INFO] tweaked toml for crates.io crate chidori 0.1.28 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chidori 0.1.28 on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `syn`.
[INFO] [stderr]     ... required by package `deno_ops v0.70.0`
[INFO] [stderr]     ... which satisfies dependency `deno_ops = "^0.70.0"` of package `deno_core v0.192.0`
[INFO] [stderr]     ... which satisfies dependency `deno_core = "^0.192.0"` of package `prompt-graph-exec v0.1.23`
[INFO] [stderr]     ... which satisfies dependency `prompt-graph-exec = "^0.1.0"` of package `chidori v0.1.28 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] versions that meet the requirements `=2.0.18` are: 2.0.18
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `syn v2.0.52`
[INFO] [stderr]     ... which satisfies dependency `syn = "^2.0.52"` of package `futures-macro v0.3.31`
[INFO] [stderr]     ... which satisfies dependency `futures-macro = "=0.3.31"` of package `futures-util v0.3.31`
[INFO] [stderr]     ... which satisfies dependency `futures-util = "^0.3.28"` of package `prompt-graph-exec v0.1.23`
[INFO] [stderr]     ... which satisfies dependency `prompt-graph-exec = "^0.1.0"` of package `chidori v0.1.28 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `syn` 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 `syn`.
           ... required by package `deno_ops v0.70.0`
           ... which satisfies dependency `deno_ops = "^0.70.0"` of package `deno_core v0.192.0`
           ... which satisfies dependency `deno_core = "^0.192.0"` of package `prompt-graph-exec v0.1.23`
           ... which satisfies dependency `prompt-graph-exec = "^0.1.0"` of package `chidori v0.1.28 (/workspace/builds/worker-1-tc1/source)`
       versions that meet the requirements `=2.0.18` are: 2.0.18
       
       all possible versions conflict with previously selected packages
       
         previously selected package `syn v2.0.52`
           ... which satisfies dependency `syn = "^2.0.52"` of package `futures-macro v0.3.31`
           ... which satisfies dependency `futures-macro = "=0.3.31"` of package `futures-util v0.3.31`
           ... which satisfies dependency `futures-util = "^0.3.28"` of package `prompt-graph-exec v0.1.23`
           ... which satisfies dependency `prompt-graph-exec = "^0.1.0"` of package `chidori v0.1.28 (/workspace/builds/worker-1-tc1/source)`
       
       failed to select a version for `syn` which could resolve this conflict