$ ./factor -i=boot.unix-x86.64.image
*** Stage 2 early init... done
Loading resource:basis/bootstrap/stage2.factor
Loading resource:basis/command-line/command-line.factor
Loading resource:basis/fry/fry.factor
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Loading resource:basis/debugger/debugger.factor
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Loading resource:basis/prettyprint/config/config.factor
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Loading resource:basis/hashtables/identity/prettyprint/prettyprint.factor
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Loading vocab:bootstrap/bootstrap-error.factor
Loading resource:basis/debugger/debugger.factor
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Loading resource:basis/io/styles/styles.factor
Loading resource:basis/delegate/protocols/protocols.factor
The die word was called by the library. Unless you called it yourself,
you have triggered a bug in Factor. Please report.
Starting low level debugger...