error: internal compiler error: static call to invalid vtable: VtableObject(VtableObject(object_ty=error::Error + 'static))
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: http://doc.rust-lang.org/complement-bugreport.html
note: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', /home/rustbuild/src/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libsyntax/diagnostic.rs:182
stack backtrace:
1: 0x7f5538025ed0 - sys::backtrace::write::hf251c2373d8c39658Rt
2: 0x7f55380478b0 - failure::on_fail::h2ff2bf5f19ce9580S5z
3: 0x7f5537fb67b0 - rt::unwind::begin_unwind_inner::h639cf27e708a803eKKz
4: 0x7f5532da51e0 - rt::unwind::begin_unwind::h13718395300347571823
5: 0x7f5532da5a80 - diagnostic::Handler::bug::h605aae0a1c8b932cA1F
6: 0x7f55362f83c0 - session::Session::bug::h4be63562d7120fbbB6q
7: 0x7f5537016770 - trans::meth::trans_static_method_callee::hbb6577e2dd06bcddldz
8: 0x7f5537013560 - trans::callee::trans::h540a689ed7456efdAag
9: 0x7f553701d1e0 - trans::callee::trans_call_inner::h10047627878835684653
10: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
11: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
12: 0x7f5536fda540 - trans::controlflow::trans_block::h8b9dd08cca7ae2b7C3d
13: 0x7f55370a4530 - trans::base::trans_closure::ha8f0acc2eac303fay0t
14: 0x7f5536fc5b30 - trans::base::trans_fn::h78aae1b635a8d84cdbu
15: 0x7f5536fc60d0 - trans::monomorphize::monomorphic_fn::h54cdbc6aa90ad799Fpd
16: 0x7f5537017ca0 - trans::callee::trans_fn_ref_with_substs::h94b37b44eeb69e4bIxg
17: 0x7f5537016770 - trans::meth::trans_static_method_callee::hbb6577e2dd06bcddldz
18: 0x7f55370428e0 - trans::expr::trans_def_fn_unadjusted::h8078a7095bde75f7qfj
19: 0x7f553703a0c0 - trans::expr::trans_def::hde738785651c8ed4yIi
20: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
21: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
22: 0x7f5536febbe0 - trans::callee::trans_args::h6d47968cc0a5de94zch
23: 0x7f553701d1e0 - trans::callee::trans_call_inner::h10047627878835684653
24: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
25: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
26: 0x7f55370df7e0 - trans::tvec::write_content::h8f5f7dafb5ea8658XHy
27: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
28: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
29: 0x7f55370c1b50 - trans::_match::trans_match_inner::h314f750cba3e3179rkx
30: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
31: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
32: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
33: 0x7f553703d3b0 - trans::expr::trans_addr_of::h882b3763331e06f5HKj
34: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
35: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
36: 0x7f5536febbe0 - trans::callee::trans_args::h6d47968cc0a5de94zch
37: 0x7f553701d1e0 - trans::callee::trans_call_inner::h10047627878835684653
38: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
39: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
40: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
41: 0x7f5536febbe0 - trans::callee::trans_args::h6d47968cc0a5de94zch
42: 0x7f553701e7a0 - trans::callee::trans_call_inner::h8327427649995086115
43: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
44: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
45: 0x7f5536fda540 - trans::controlflow::trans_block::h8b9dd08cca7ae2b7C3d
46: 0x7f55370a4530 - trans::base::trans_closure::ha8f0acc2eac303fay0t
47: 0x7f5536fc5b30 - trans::base::trans_fn::h78aae1b635a8d84cdbu
48: 0x7f5536fc60d0 - trans::monomorphize::monomorphic_fn::h54cdbc6aa90ad799Fpd
49: 0x7f5537017ca0 - trans::callee::trans_fn_ref_with_substs::h94b37b44eeb69e4bIxg
50: 0x7f5537016770 - trans::meth::trans_static_method_callee::hbb6577e2dd06bcddldz
51: 0x7f55370428e0 - trans::expr::trans_def_fn_unadjusted::h8078a7095bde75f7qfj
52: 0x7f553703a0c0 - trans::expr::trans_def::hde738785651c8ed4yIi
53: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
54: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
55: 0x7f5536febbe0 - trans::callee::trans_args::h6d47968cc0a5de94zch
56: 0x7f553701d1e0 - trans::callee::trans_call_inner::h10047627878835684653
57: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
58: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
59: 0x7f55370df7e0 - trans::tvec::write_content::h8f5f7dafb5ea8658XHy
60: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
61: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
62: 0x7f55370c1b50 - trans::_match::trans_match_inner::h314f750cba3e3179rkx
63: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
64: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
65: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
66: 0x7f553703d3b0 - trans::expr::trans_addr_of::h882b3763331e06f5HKj
67: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
68: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
69: 0x7f5536febbe0 - trans::callee::trans_args::h6d47968cc0a5de94zch
70: 0x7f553701d1e0 - trans::callee::trans_call_inner::h10047627878835684653
71: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
72: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
73: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
74: 0x7f5536febbe0 - trans::callee::trans_args::h6d47968cc0a5de94zch
75: 0x7f553701d1e0 - trans::callee::trans_call_inner::h10047627878835684653
76: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
77: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
78: 0x7f5536fda540 - trans::controlflow::trans_block::h8b9dd08cca7ae2b7C3d
79: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
80: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
81: 0x7f55370c1b50 - trans::_match::trans_match_inner::h314f750cba3e3179rkx
82: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
83: 0x7f5536fd9f40 - trans::expr::trans_into::heeb89ad379a90d59Myh
84: 0x7f5536fda540 - trans::controlflow::trans_block::h8b9dd08cca7ae2b7C3d
85: 0x7f55370a4530 - trans::base::trans_closure::ha8f0acc2eac303fay0t
86: 0x7f5536fc5b30 - trans::base::trans_fn::h78aae1b635a8d84cdbu
87: 0x7f5536fc60d0 - trans::monomorphize::monomorphic_fn::h54cdbc6aa90ad799Fpd
88: 0x7f5537017ca0 - trans::callee::trans_fn_ref_with_substs::h94b37b44eeb69e4bIxg
89: 0x7f5537016390 - trans::callee::trans_fn_ref::hdac25cca5dc0cf2bTlg
90: 0x7f5536ff3220 - trans::meth::trans_method_callee::hfb3e8ff266af00e427y
91: 0x7f553701e7a0 - trans::callee::trans_call_inner::h8327427649995086115
92: 0x7f55370221d0 - trans::expr::trans_rvalue_dps_unadjusted::hfcba8e4f830451013Si
93: 0x7f5537021560 - trans::expr::trans_unadjusted::ha8ff77947160b4b3Qji
94: 0x7f5536fdb130 - trans::expr::trans::hd6f8e0f4d7584dd0gCh
95: 0x7f5536fd93b0 - trans::controlflow::trans_stmt_semi::hefd087c89986462fL2d
96: 0x7f5536fda540 - trans::controlflow::trans_block::h8b9dd08cca7ae2b7C3d
97: 0x7f55370a4530 - trans::base::trans_closure::ha8f0acc2eac303fay0t
98: 0x7f5536fc5b30 - trans::base::trans_fn::h78aae1b635a8d84cdbu
99: 0x7f5536fc0f50 - trans::base::trans_item::h67a6ff1d83b6d458yyu
100: 0x7f55370ab7d0 - trans::base::trans_crate::h4e60bbd73bda40effuv
... <frames omitted>
Not sure what's up here: