Logging some of the pseudo-crates causes even trivial programs to crash.

[basic-calculus]

Logging some pseudo-crates (::rt:::mem, rt::upcall) causes even (as well as more complicated programs) the trivial hello world program to crash.

Hello world:

fn main () {
    println ("Hello World!")
}

Invocation on sh:

RUST_LOG="::rt::mem" ./hello

Result on ::rt::mem:

rust: new dom 0x4b2460
rust: new dom 0x4b31d0
rust: new task 0x4b4080
rust: creating new stack for task 4b4080
rust: calculating new stack size for 0x4b4080
rust: min: 768 current: 0 requested: 768
rust: next stack size: 1152
rust: new stk 0x4b43b0
rust: stk end 0x4b5060
hello: /home/steven/others/sources/rust/src/rt/rust_log.cpp:137: void rust_log::trace_ln(rust_task*, uint32_t, char*): Assertion `!task->on_rust_stack() && "logging on rust stack"' failed.

aborted (core dumped)

Result for ::rt::upcall

hello: /home/steven/others/sources/rust/src/rt/rust_log.cpp:137: void rust_log::trace_ln(rust_task*, uint32_t, char*): Assertion `!task->on_rust_stack() && "logging on rust stack"' failed.

aborted (core dumped)

[catamorphism]

Reproduced with 330378d . I agree this is a bug; if logging certain crates isn't supported, the program should print out a nice error message.

[emberian]

Pseudo-crates are gone.