Compiling autocfg v0.1.6 Compiling proc-macro2 v1.0.4 Compiling libc v0.2.62 Compiling unicode-xid v0.2.0 Compiling getrandom v0.1.12 Compiling syn v1.0.7 Compiling cfg-if v0.1.10 Compiling lazy_static v1.4.0 Compiling serde v1.0.102 Compiling ppv-lite86 v0.2.5 Compiling typenum v1.11.2 Compiling libm v0.1.4 Compiling rawpointer v0.2.1 Compiling matrixmultiply v0.2.3 Compiling num-traits v0.2.8 Compiling num-integer v0.1.41 Compiling num-complex v0.2.3 Compiling num-rational v0.2.2 Compiling c2-chacha v0.2.2 Compiling quote v1.0.2 Compiling rand_core v0.5.1 Compiling generic-array v0.13.2 Compiling rand_chacha v0.2.1 Compiling rand v0.7.2 Compiling approx v0.3.2 Compiling rand_distr v0.2.2 Compiling serde_derive v1.0.102 Compiling alga v0.9.1 Compiling nalgebra v0.19.0 (https://github.com/rustsim/nalgebra.git?rev=31ef5f0ab02c6ecf279867f07cd63e16cece8b75#31ef5f0a) Compiling ice_testcase v0.1.0 (/home/andreas/Work/ice_testcase) error: internal compiler error: broken MIR in DefId(0:37 ~ ice_testcase[a4da]::problematic_function[0]) (Terminator { source_info: SourceInfo { span: src/lib.rs:79:26: 79:80, scope: scope[0] }, kind: _2 = const >::Buffer> as std::convert::Into>>::into(move _3) -> [return: bb3, unwind: bb1] }): bad arg #0 (nalgebra::base::matrix::Matrix> <- nalgebra::base::matrix::Matrix>::Buffer>): NoSolution --> src/lib.rs:79:72 | 79 | let _: Point2 = material_surface_element.map_reference_coords().into(); | ^ error: internal compiler error: broken MIR in DefId(0:37 ~ ice_testcase[a4da]::problematic_function[0]) (Terminator { source_info: SourceInfo { span: src/lib.rs:84:5: 84:64, scope: scope[1] }, kind: _5 = const nalgebra::base::norm::>::Buffer>>::magnitude(move _6) -> [return: bb5, unwind: bb1] }): bad arg #0 (&nalgebra::base::matrix::Matrix> <- &nalgebra::base::matrix::Matrix>::Buffer>): NoSolution --> src/lib.rs:84:51 | 84 | material_surface_element.map_reference_coords().magnitude(); | ^ thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', src/librustc_errors/lib.rs:347:17 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace. error: internal compiler error: unexpected panic note: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports note: rustc 1.41.0-nightly (a44774c3a 2019-11-25) running on x86_64-unknown-linux-gnu note: compiler flags: -C debuginfo=2 --crate-type lib note: some of the compiler flags provided by cargo are hidden error: could not compile `ice_testcase`. warning: build failed, waiting for other jobs to finish... error: build failed