source/ddmp/diff.d(811,44): Error: `@safe` function `ddmp.diff.cleanupSemantic` cannot call `@system` function `object.assumeSafeAppend!ulong.assumeSafeAppend`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/object.d(3108,21):        `object.assumeSafeAppend!ulong.assumeSafeAppend` is declared here
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/internal/ir.d(525,41): Error: `@safe` function `std.regex.internal.ir.RuntimeFactory!(BacktrackingMatcher, char).RuntimeFactory.construct` cannot call `@system` function `std.conv.emplace!(EngineType!(char, Input!char), const(Regex!char), Input!char, void[]).emplace`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/conv.d(4724,3):        `std.conv.emplace!(EngineType!(char, Input!char), const(Regex!char), Input!char, void[]).emplace` is declared here
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/internal/parser.d(36,28): Error: template instance `std.regex.internal.ir.RuntimeFactory!(BacktrackingMatcher, char)` error instantiating
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/internal/parser.d(1025,25):        instantiated from here: `makeRegex!(string, CodeGen)`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(443,19):        instantiated from here: `Parser!(string, CodeGen)`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(391,25):        instantiated from here: `regexImpl!string`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(399,17):        ... (1 instantiations, -v to show) ...
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(969,60):        instantiated from here: `regex!string`
source/ddmp/diff.d(1071,43):        instantiated from here: `match!(string, string)`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/internal/ir.d(525,41): Error: `@safe` function `std.regex.internal.ir.RuntimeFactory!(ThompsonMatcher, char).RuntimeFactory.construct` cannot call `@system` function `std.conv.emplace!(EngineType!(char, Input!char), const(Regex!char), Input!char, void[]).emplace`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/conv.d(4724,3):        `std.conv.emplace!(EngineType!(char, Input!char), const(Regex!char), Input!char, void[]).emplace` is declared here
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/internal/parser.d(38,27): Error: template instance `std.regex.internal.ir.RuntimeFactory!(ThompsonMatcher, char)` error instantiating
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/internal/parser.d(1025,25):        instantiated from here: `makeRegex!(string, CodeGen)`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(443,19):        instantiated from here: `Parser!(string, CodeGen)`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(391,25):        instantiated from here: `regexImpl!string`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(399,17):        ... (1 instantiations, -v to show) ...
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../phobos/std/regex/package.d(969,60):        instantiated from here: `regex!string`
source/ddmp/diff.d(1071,43):        instantiated from here: `match!(string, string)`
source/ddmp/diff.d(1107,27): Error: `@safe` function `ddmp.diff.cleanupEfficiency` cannot call `@system` function `object.assumeSafeAppend!ulong.assumeSafeAppend`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/object.d(3108,21):        `object.assumeSafeAppend!ulong.assumeSafeAppend` is declared here
source/ddmp/diff.d(1130,27): Error: `@safe` function `ddmp.diff.cleanupEfficiency` cannot call `@system` function `object.assumeSafeAppend!ulong.assumeSafeAppend`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/object.d(3108,21):        `object.assumeSafeAppend!ulong.assumeSafeAppend` is declared here
source/ddmp/diff.d(1136,31): Error: `@safe` function `ddmp.diff.cleanupEfficiency` cannot call `@system` function `object.assumeSafeAppend!ulong.assumeSafeAppend`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/object.d(3108,21):        `object.assumeSafeAppend!ulong.assumeSafeAppend` is declared here
source/ddmp/diff.d(1140,35): Error: `@safe` function `ddmp.diff.cleanupEfficiency` cannot call `@system` function `object.assumeSafeAppend!ulong.assumeSafeAppend`
/opt/dmd-safe/dmd/generated/linux/release/64/../../../../../druntime/import/object.d(3108,21):        `object.assumeSafeAppend!ulong.assumeSafeAppend` is declared here
/opt/dmd-safe/dmd/dmd-safe failed with exit code 1.