mirrord: exec panic auth error aws

Bug Description

Running mirrord exec with kubeconfig set to execute aws command to get token, fails with panic.

Steps to Reproduce

1. Create EKS cluster
2. Run aws eks update-kubeconfig --name test-cluster --alias test-cluster
3. Run mirrord exec ...

Backtrace

thread '<unnamed>' panicked at 'failed to create agent in k8s: mirrord-layer: Kube failed with error `auth error: auth exec command '"aws" "--region" "us-east-1" "eks" "get-token" "--cluster-name" "development-cluster"' failed with status signal: 6 (SIGABRT) (core dumped): Output { status: ExitStatus(unix_wait_status(134)), stdout: "", stderr: "thread '<unnamed>' panicked at 'failed to create agent in k8s: mirrord-layer: Kube failed with error `auth error: auth exec command '\"aws\" \"--region\" \"us-east-1\" \"eks\" \"get-token\" \"--cluster-name\" \"development-cluster\"' failed with status signal: 6 (SIGABRT) (core dumped): Output { status: ExitStatus(unix_wait_status(134)), stdout: \"\", stderr: \"thread '<unnamed>' panicked at 'failed to create agent in k8s: mirrord-layer: Kube failed with error `auth error: auth exec command '\\\"aws\\\" \\\"--region\\\" \\\"us-east-1\\\" \\\"eks\\\" \\\"get-token\\\" \\\"--cluster-name\\\" \\\"development-cluster\\\"' failed with status signal: 11 (SIGSEGV) (core dumped): Output { status: ExitStatus(unix_wait_status(139)), stdout: \\\"\\\", stderr: \\\"\\\\r\\\\nmalloc: unknown:0: assertion botched\\\\r\\\\nmalloc: block on free list clobbered\\\\nAborting...\\\" }`!', mirrord-layer/src/connection.rs:92:18\\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\\nfatal runtime error: failed to initiate panic, error 5\\n\" }`!', mirrord-layer/src/connection.rs:92:18\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\nfatal runtime error: failed to initiate panic, error 5\n" }`!', mirrord-layer/src/connection.rs:92:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
fatal runtime error: failed to initiate panic, error 5

Relevant Logs

No response

Your operating system and version

Manjaro Linux

Local process

Bourne-Again shell script, ASCII text executable

Local process version

No response

Additional Info

mirrord 3.0.19-alpha