[BUG] `examples/digital-signature` fails with `--features=risc0-zkvm/metal`

[matthiasgeihs]

[BUG] `examples/digital-signature` fails with `--features=risc0-zkvm/metal`

[SchmErik]

I'm on 859b118 and I'm unable to reproduce this. I'm using 14.3.1 M1

% cargo run --release -F metal -- "This is a signed message" --passphrase="passw0rd"

....

     Running `/Users/erik/risc0/examples/target/release/digital-signature 'This is a signed message' --passphrase=passw0rd`
Inputs
        message: "This is a signed message"
Commitment:
        message: Digest(55256ea6467b849cd2985241d6333e6d14c6e1198903ee5d690b24b1084d0fe3)
        identity: Digest(2f9095c070680fc3435f4a68d21cdb05feb0ec1c20edad1ef6dcd9c1541b2904)
Integrity Checks:
        message: valid
        receipt: valid

Here's release-0.21 branch on 4afa9d3:

% cargo run --release -F metal -- "This is a signed message" --passphrase="passw0rd"

...

     Running `/Users/erik/risc0/examples/target/release/digital-signature 'This is a signed message' --passphrase=passw0rd`
Inputs
        message: "This is a signed message"
Commitment:
        message: Digest(55256ea6467b849cd2985241d6333e6d14c6e1198903ee5d690b24b1084d0fe3)
        identity: Digest(2f9095c070680fc3435f4a68d21cdb05feb0ec1c20edad1ef6dcd9c1541b2904)
Integrity Checks:
        message: valid
        receipt: valid

I tried changing the command to cargo run --release --features=risc0-zkvm/metal -- "This is a signed message" --passphrase="passw0rd" and it still gives me passing results.

[SchmErik]

@matthiasgeihs I'm going to close this but if you have any further information that we can use to track this down using the main branch or release-0.21 branch, feel free to reopen! Since the commit you referenced, we now build with a newer rust toolchain both on the guest and host.

[matthiasgeihs]

Can confirm that it now works for me on e37f5be.