[INFO] fetching crate zephyr-vm 0.2.1...
[INFO] checking zephyr-vm-0.2.1 against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] extracting crate zephyr-vm 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zephyr-vm 0.2.1 on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zephyr-vm 0.2.1
[INFO] finished tweaking crates.io crate zephyr-vm 0.2.1
[INFO] tweaked toml for crates.io crate zephyr-vm 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "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 `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 = "^0.3.14"` of package `postgres v0.19.7`
[INFO] [stderr]     ... which satisfies dependency `postgres = "^0.19.7"` of package `zephyr-vm v0.2.1 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^2.0.52` are: 2.0.96, 2.0.95, 2.0.94, 2.0.93, 2.0.92, 2.0.91, 2.0.90, 2.0.89, 2.0.88, 2.0.87, 2.0.86, 2.0.85, 2.0.84, 2.0.83, 2.0.82, 2.0.81, 2.0.80, 2.0.79, 2.0.78, 2.0.77, 2.0.76, 2.0.75, 2.0.74, 2.0.73, 2.0.72, 2.0.71, 2.0.70, 2.0.69, 2.0.68, 2.0.67, 2.0.66, 2.0.65, 2.0.64, 2.0.63, 2.0.62, 2.0.61, 2.0.60, 2.0.59, 2.0.58, 2.0.57, 2.0.56, 2.0.55, 2.0.54, 2.0.53, 2.0.52
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `syn v2.0.39`
[INFO] [stderr]     ... which satisfies dependency `syn = "=2.0.39"` of package `soroban-env-macros-zephyr v21.2.2`
[INFO] [stderr]     ... which satisfies dependency `soroban-env-macros = "^21.2.2"` of package `zephyr-vm v0.2.1 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `syn` which could resolve this conflict


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for `syn`.
    ... required by 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 = "^0.3.14"` of package `postgres v0.19.7`
    ... which satisfies dependency `postgres = "^0.19.7"` of package `zephyr-vm v0.2.1 (/workspace/builds/worker-4-tc1/source)`
versions that meet the requirements `^2.0.52` are: 2.0.96, 2.0.95, 2.0.94, 2.0.93, 2.0.92, 2.0.91, 2.0.90, 2.0.89, 2.0.88, 2.0.87, 2.0.86, 2.0.85, 2.0.84, 2.0.83, 2.0.82, 2.0.81, 2.0.80, 2.0.79, 2.0.78, 2.0.77, 2.0.76, 2.0.75, 2.0.74, 2.0.73, 2.0.72, 2.0.71, 2.0.70, 2.0.69, 2.0.68, 2.0.67, 2.0.66, 2.0.65, 2.0.64, 2.0.63, 2.0.62, 2.0.61, 2.0.60, 2.0.59, 2.0.58, 2.0.57, 2.0.56, 2.0.55, 2.0.54, 2.0.53, 2.0.52

all possible versions conflict with previously selected packages.

  previously selected package `syn v2.0.39`
    ... which satisfies dependency `syn = "=2.0.39"` of package `soroban-env-macros-zephyr v21.2.2`
    ... which satisfies dependency `soroban-env-macros = "^21.2.2"` of package `zephyr-vm v0.2.1 (/workspace/builds/worker-4-tc1/source)`

failed to select a version for `syn` which could resolve this conflict