libjack/jack/c/jslist.d(46,35): Error: `@safe` function `jack.c.jslist.jack_slist_alloc` cannot call `@system` function `core.stdc.stdlib.malloc`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/core/stdc/stdlib.d(158,9):        `core.stdc.stdlib.malloc` is declared here
libjack/jack/c/jslist.d(46,16): Error: cast from `void*` to `JSList*` not allowed in safe code
libjack/jack/c/jslist.d(62,35): Error: `@safe` function `jack.c.jslist.jack_slist_prepend` cannot call `@system` function `core.stdc.stdlib.malloc`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/core/stdc/stdlib.d(158,9):        `core.stdc.stdlib.malloc` is declared here
libjack/jack/c/jslist.d(62,16): Error: cast from `void*` to `JSList*` not allowed in safe code
libjack/jack/c/jslist.d(129,13): Error: `@safe` function `jack.c.jslist.jack_slist_free` cannot call `@system` function `core.stdc.stdlib.free`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/core/stdc/stdlib.d(164,9):        `core.stdc.stdlib.free` is declared here
libjack/jack/c/jslist.d(140,13): Error: `@safe` function `jack.c.jslist.jack_slist_free_1` cannot call `@system` function `core.stdc.stdlib.free`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/core/stdc/stdlib.d(164,9):        `core.stdc.stdlib.free` is declared here
libjack/jack/c/jslist.d(263,9): Error: cannot take address of local `list` in `@safe` function `jack_slist_sort_merge`
libjack/jack/client.d(50,21): Error: `@safe` function `jack.client.JackClient.get_version_string` cannot call `@system` function `std.conv.to!string.to!(const(char)*).to`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/conv.d(219,7):        `std.conv.to!string.to!(const(char)*).to` is declared here
libjack/jack/client.d(79,21): Error: `@safe` function `jack.client.JackClient.get_name` cannot call `@system` function `std.conv.to!string.to!(char*).to`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/conv.d(219,7):        `std.conv.to!string.to!(char*).to` is declared here
libjack/jack/client.d(124,39): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void* function(void* arg) @system` to `extern (C) void* function(void* arg)`
libjack/jack/client.d(124,39): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void* function(void* arg) @system` to `extern (C) void* function(void* arg)`
libjack/jack/client.d(136,43): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(void* arg) @system` to `extern (C) void function(void* arg)`
libjack/jack/client.d(136,43): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(void* arg) @system` to `extern (C) void function(void* arg)`
libjack/jack/client.d(149,41): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(void* arg) @system` to `extern (C) void function(void* arg)`
libjack/jack/client.d(149,41): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(void* arg) @system` to `extern (C) void function(void* arg)`
libjack/jack/client.d(159,45): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(JackStatus code, const(char)* reason, void* arg) @system` to `extern (C) void function(JackStatus code, const(char)* reason, void* arg)`
libjack/jack/client.d(159,45): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(JackStatus code, const(char)* reason, void* arg) @system` to `extern (C) void function(JackStatus code, const(char)* reason, void* arg)`
libjack/jack/client.d(169,40): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) int function(uint nframes, void* arg) @system` to `extern (C) int function(uint nframes, void* arg)`
libjack/jack/client.d(169,40): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) int function(uint nframes, void* arg) @system` to `extern (C) int function(uint nframes, void* arg)`
libjack/jack/client.d(182,42): Error: cannot implicitly convert expression `__funcliteral2` of type `extern (C) void function(int starting, void* arg) @system` to `extern (C) void function(int starting, void* arg)`
/opt/dmd-safe/dmd/dmd-safe failed with exit code 1.