ansible mount fail on 32bit target

gistfile1.txt

Mount task appears to succeed, following synchronize task fails on one of two machines because ROOTA is not mounted.

Escalation succeeded
Escalation succeeded
<NNN.NNN.NN.130> (0, b'\r\n{"changed": true, "name": "/mnt/gentoo", "opts": "defaults", "dump": "0", "passno": "0", "fstab": "/etc/fstab", "src": "LABEL=ROOTA", "fstype": "ext4", "invocation": {"module_args": {"path": "/mnt/gentoo", "src": "LABEL=ROOTA", "fstype": "ext4", "opts": "defaults", "state": "mounted", "boot": true, "backup": false, "dump": null, "fstab": null, "passno": null}}}\r\n', b'Shared connection to NNN.NNN.NN.130 closed.\r\n')
<NNN.NNN.NN.130> ESTABLISH SSH CONNECTION FOR USER: gentoo
<NNN.NNN.NN.130> SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o 'IdentityFile="/home/user/.ssh/id_rsa"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=gentoo -o ConnectTimeout=10 -o ControlPath=/tmp/ansible-%h-%p-%r NNN.NNN.NN.130 '/bin/sh -c '"'"'rm -f -r /home/gentoo/.ansible/tmp/ansible-tmp-1564774882.4612923-279772369436355/ > /dev/null 2>&1 && sleep 0'"'"''
<NNN.NNN.NN.130> (0, b'', b'')
changed: [NNN.NNN.NN.130] => {
    "changed": true,
    "dump": "0",
    "fstab": "/etc/fstab",
    "fstype": "ext4",
    "invocation": {
        "module_args": {
            "backup": false,
            "boot": true,
            "dump": null,
            "fstab": null,
            "fstype": "ext4",
            "opts": "defaults",
            "passno": null,
            "path": "/mnt/gentoo",
            "src": "LABEL=ROOTA",
            "state": "mounted"
        }
    },
    "name": "/mnt/gentoo",
    "opts": "defaults",
    "passno": "0",
    "src": "LABEL=ROOTA"
}
<NNN.NNN.NN.132> (0, b'\r\n{"changed": true, "name": "/mnt/gentoo", "opts": "defaults", "dump": "0", "passno": "0", "fstab": "/etc/fstab", "src": "LABEL=ROOTA", "fstype": "ext4", "invocation": {"module_args": {"path": "/mnt/gentoo", "src": "LABEL=ROOTA", "fstype": "ext4", "opts": "defaults", "state": "mounted", "boot": true, "backup": false, "dump": null, "fstab": null, "passno": null}}}\r\n', b'Shared connection to NNN.NNN.NN.132 closed.\r\n')
<NNN.NNN.NN.132> ESTABLISH SSH CONNECTION FOR USER: gentoo
<NNN.NNN.NN.132> SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o 'IdentityFile="/home/user/.ssh/id_rsa"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=gentoo -o ConnectTimeout=10 -o ControlPath=/tmp/ansible-%h-%p-%r NNN.NNN.NN.132 '/bin/sh -c '"'"'rm -f -r /home/gentoo/.ansible/tmp/ansible-tmp-1564774882.5121796-177458528007488/ > /dev/null 2>&1 && sleep 0'"'"''
<NNN.NNN.NN.132> (0, b'', b'')
changed: [NNN.NNN.NN.132] => {
    "changed": true,
    "dump": "0",
    "fstab": "/etc/fstab",
    "fstype": "ext4",
    "invocation": {
        "module_args": {
            "backup": false,
            "boot": true,
            "dump": null,
            "fstab": null,
            "fstype": "ext4",
            "opts": "defaults",
            "passno": null,
            "path": "/mnt/gentoo",
            "src": "LABEL=ROOTA",
            "state": "mounted"
        }
    },
    "name": "/mnt/gentoo",
    "opts": "defaults",
    "passno": "0",
    "src": "LABEL=ROOTA"
}

fatal: [NNN.NNN.NN.132 -> NNN.NNN.NN.132]: FAILED! => {
    "changed": false,
    "cmd": "/usr/bin/rsync --delay-updates -F --compress --archive --no-motd --exclude=.git --out-format=<<CHANGED>>%i %n%L /tmp/orchardos-tools /mnt/gentoo/home/gentoo",
    "invocation": {
        "module_args": {
            "_local_rsync_path": "rsync",
            "_substitute_controller": false,
            "archive": true,
            "checksum": false,
            "compress": true,
            "copy_links": false,
            "delete": false,
            "dest": "/mnt/gentoo/home/gentoo",
            "dest_port": null,
            "dirs": false,
            "existing_only": false,
            "group": null,
            "link_dest": null,
            "links": null,
            "mode": "push",
            "owner": null,
            "partial": false,
            "perms": null,
            "private_key": null,
            "recursive": null,
            "rsync_opts": [
                "--no-motd",
                "--exclude=.git"
            ],
            "rsync_path": null,
            "rsync_timeout": 0,
            "set_remote_user": true,
            "src": "/tmp/orchardos-tools",
            "ssh_args": null,
            "times": null,
            "verify_host": false
        }
    },
    "msg": "rsync: mkdir \"/mnt/gentoo/home/gentoo\" failed: No such file or directory (2)\nrsync error: error in file IO (code 11) at main.c(664) [Receiver=3.1.3]\n",
    "rc": 11
}