having trouble deploying app from a specific team member

A team member in my organization can’t deploy our app. Other folks in the organization can deploy just fine, but he’s running into this error:

Error: failed to fetch an image or build from source: error building: failed to receive status: rpc error: code = Unavailable desc = error reading from server: remote error: tls: bad record MAC

full output

==> Verifying app config
Validating /Users/****/workspace/*******/fly.toml
WARN Service HTTP check has a grace period greater than 1 minute (2m0s); this will be lowered to 1 minute
✓ Configuration is valid
--> Verified app config
==> Building image
Remote builder fly-builder-white-forest-4325 ready
Remote builder fly-builder-white-forest-4325 ready
==> Building image with Docker
--> docker host: 24.0.7 linux x86_64
[+] Building 89.7s (5/17)
 => [internal] load build definition from Dockerfile.web                                             0.1s
 => => transferring dockerfile: 1.07kB                                                               0.1s
 => [internal] load .dockerignore                                                                    0.1s
 => => transferring context: 508B                                                                    0.1s
 => [internal] load metadata for docker.io/library/python:3.11-buster                                2.1s
 => [ 1/13] FROM docker.io/library/python:3.11-buster@sha256:3a19b4d6ce4402d11bb19aa11416e4a262a60a  0.0s
 => ERROR [internal] load build context                                                             52.8s
 => => transferring context: 203.76MB                                                               52.8s
------
 > [internal] load build context:
------
==> Building image
✓ compatible remote builder found
Waiting for remote builder fly-builder-white-forest-4325...
 🌍INFO Override builder host with: https://fly-builder-white-forest-4325.fly.dev (was tcp://[fdaa:2:7f8e:a7b:2ad:cc9e:c57d:2]:2375)
Remote builder fly-builder-white-forest-4325 ready
INFO Override builder host with: https://fly-builder-white-forest-4325.fly.dev (was tcp://[fdaa:2:7f8e:a7b:2ad:cc9e:c57d:2]:2375)

Remote builder fly-builder-white-forest-4325 ready
==> Building image with Docker
--> docker host: 24.0.7 linux x86_64
[+] Building 23.4s (4/17)
 => [internal] load .dockerignore                                                                    0.1s
 => => transferring context: 508B                                                                    0.1s
 => [internal] load build definition from Dockerfile.web                                             0.1s
 => => transferring dockerfile: 1.07kB                                                               0.1s
 => [internal] load metadata for docker.io/library/python:3.11-buster                                0.2s
 => [ 1/13] FROM docker.io/library/python:3.11-buster@sha256:3a19b4d6ce4402d11bb19aa11416e4a262a60a  0.0s
 => [internal] load build context                                                                   23.1s
 => => transferring context: 171.90MB                                                               23.1s
Error: failed to fetch an image or build from source: error building: failed to receive status: rpc error: code = Unavailable desc = error reading from server: remote error: tls: bad record MAC

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