    user@host:~/composition$ bst shell runtime-only.bst -- hello audience

    [--:--:--][        ][    main:core activity                 ] START   Loading elements
    [00:00:00][        ][    main:core activity                 ] SUCCESS Loading elements
    [--:--:--][        ][    main:core activity                 ] START   Resolving elements
    [00:00:00][        ][    main:core activity                 ] SUCCESS Resolving elements
    [--:--:--][        ][    main:core activity                 ] START   Resolving cached state
    [00:00:00][        ][    main:core activity                 ] SUCCESS Resolving cached state
    [--:--:--][        ][    main:runtime-only.bst              ] START   Staging dependencies
    [00:00:00][        ][    main:runtime-only.bst              ] SUCCESS Staging dependencies
    [--:--:--][        ][    main:runtime-only.bst              ] START   Integrating sandbox
    [00:00:00][        ][    main:runtime-only.bst              ] SUCCESS Integrating sandbox
    [--:--:--][        ][    main:runtime-only.bst              ] STATUS  Running command

        hello audience

    Hello audience