Issue 1:
Error while compiling rust-windowing/glutin@7154ea5 on OS X Yosemite:

$ RUST_BACKTRACE=1 cargo build --verbose
[...dependency updates...]
Compiling glutin v0.0.6 (file:///path/to/glutin)
[...various warnings...]
/Users/rustbuild/src/rust-buildbot/slave/nightly-dist-rustc-mac/build/src/libstd/sync/mutex.rs:177:37: 180:2 error: internal compiler error: debuginfo: Could not find scope info for node NodeExpr(Expr { id: 20967, node: ExprStruct(Path { span: Span { lo: BytePos(4847499), hi: BytePos(4847510), expn_id: ExpnId(4294967295) }, global: false, segments: [PathSegment { identifier: StaticMutex#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }, [Field { ident: Spanned { node: lock#0, span: Span { lo: BytePos(1770102), hi: BytePos(1770106), expn_id: ExpnId(4294967295) } }, expr: Expr { id: 20968, node: ExprPath(None, Path { span: Span { lo: BytePos(4847523), hi: BytePos(4847538), expn_id: ExpnId(4294967295) }, global: false, segments: [PathSegment { identifier: sys#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { identifier: MUTEX_INIT#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }), span: Span { lo: BytePos(4847523), hi: BytePos(4847538), expn_id: ExpnId(4294967295) } }, span: Span { lo: BytePos(4847517), hi: BytePos(4847538), expn_id: ExpnId(4294967295) } }, Field { ident: Spanned { node: poison#0, span: Span { lo: BytePos(1770129), hi: BytePos(1770135), expn_id: ExpnId(4294967295) } }, expr: Expr { id: 20969, node: ExprPath(None, Path { span: Span { lo: BytePos(4847552), hi: BytePos(4847569), expn_id: ExpnId(4294967295) }, global: false, segments: [PathSegment { identifier: poison#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { identifier: FLAG_INIT#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }), span: Span { lo: BytePos(4847552), hi: BytePos(4847569), expn_id: ExpnId(4294967295) } }, span: Span { lo: BytePos(4847544), hi: BytePos(4847569), expn_id: ExpnId(4294967295) } }], None), span: Span { lo: BytePos(4847499), hi: BytePos(4847572), expn_id: ExpnId(4294967295) } })
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: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', /Users/rustbuild/src/rust-buildbot/slave/nightly-dist-rustc-mac/build/src/libsyntax/diagnostic.rs:129

stack backtrace:
1: 0x111897b52 - sys::backtrace::write::h6b0889bc971c1ad3IDA
2: 0x1118c6844 - panicking::on_panic::h0fcd1d74630df38dKsJ
3: 0x1117e4c67 - rt::unwind::begin_unwind_inner::h56b969a14fc61916gbJ
4: 0x110f6b95e - rt::unwind::begin_unwind::h7097931347514503270
5: 0x110f6b90b - diagnostic::SpanHandler::span_bug::hd809ae68b3d05ee6h0D
6: 0x10e73ed7c - session::Session::span_bug::h5bc4aa3cff230a98ISp
7: 0x10e467134 - trans::debuginfo::scope_metadata::hbc8249b53299cdbdSjE
8: 0x10e371fb9 - trans::debuginfo::set_source_location::h27a07f90a8aeec578MD
9: 0x10e323925 - trans::expr::trans_into::h4a29f680db4b3526znh
10: 0x10e323c45 - trans::expr::trans_into::h4a29f680db4b3526znh
11: 0x10e38a2c0 - trans::expr::trans_uniq_expr::h9953b7ba5686a321ukj
12: 0x10e38b053 - trans::expr::trans_unary::h112ae451f6aff215Jgj
13: 0x10e3746fc - trans::expr::trans_unadjusted::h66feeb4ce59b408dz4h
14: 0x10e323f79 - trans::expr::trans_into::h4a29f680db4b3526znh
15: 0x10e3a9220 - trans::expr::trans_adt::h73a11f7497464a42O6i
16: 0x10e3abd52 - trans::expr::trans_struct::closure.42052
17: 0x10e3953cb - trans::expr::trans_struct::h4294120fb3439252K2i
18: 0x10e3766be - trans::expr::trans_rvalue_dps_unadjusted::hca2c07ae951484c14zi
19: 0x10e323f59 - trans::expr::trans_into::h4a29f680db4b3526znh
20: 0x10e324e29 - trans::controlflow::trans_block::h26a308528bb95051b5d
21: 0x10e403da9 - trans::base::trans_closure::h1e78b4450eb13a03Kkt
22: 0x10e30c645 - trans::base::trans_fn::h31c9353b85ff9dd9Dvt
23: 0x10e30e1c3 - trans::monomorphize::monomorphic_fn::h8c4abbed98c102adusd
24: 0x10e35658b - trans::callee::trans_fn_ref_with_substs::heb22ab8904f67bf64kg
25: 0x10e354b0e - trans::callee::trans_fn_ref::hb2be9d8aec49d9c4E9f
26: 0x10e3521d0 - trans::callee::trans::ha12ccf10898e9b03VYf
27: 0x10e36924d - trans::callee::trans_call_inner::h11221320451677754653
28: 0x10e376bec - trans::expr::trans_rvalue_dps_unadjusted::hca2c07ae951484c14zi
29: 0x10e323f59 - trans::expr::trans_into::h4a29f680db4b3526znh
30: 0x10e3a9220 - trans::expr::trans_adt::h73a11f7497464a42O6i
31: 0x10e3abd52 - trans::expr::trans_struct::closure.42052
32: 0x10e3953cb - trans::expr::trans_struct::h4294120fb3439252K2i
33: 0x10e3766be - trans::expr::trans_rvalue_dps_unadjusted::hca2c07ae951484c14zi
34: 0x10e323f59 - trans::expr::trans_into::h4a29f680db4b3526znh
35: 0x10e43dd26 - trans::_match::mk_binding_alloca::h3448676421097350985
36: 0x10e323280 - trans::base::init_local::h08a9fcff749ad013czs
37: 0x10e324b02 - trans::controlflow::trans_block::h26a308528bb95051b5d
38: 0x10e403da9 - trans::base::trans_closure::h1e78b4450eb13a03Kkt
39: 0x10e30c645 - trans::base::trans_fn::h31c9353b85ff9dd9Dvt
40: 0x10e308aa6 - trans::base::trans_item::h8ce277cc13b040a3vTt
41: 0x10e3088a7 - trans::base::trans_item::h8ce277cc13b040a3vTt
42: 0x10e40cecb - trans::base::trans_crate::hb69c466e59630a14GPu
43: 0x10dd3fec7 - driver::phase_4_translate_to_llvm::he4e045cdc3897b4crNa
44: 0x10dd1b7f2 - driver::compile_input::h25d96a14ec26932cIba
45: 0x10dded72e - run_compiler::h15c3ea085a111a6fH5b
46: 0x10ddeaac7 - thunk::F.Invoke<A, R>::invoke::h11905936354613679413
47: 0x10dde960f - rt::unwind::try::try_fn::h4025213131938170097
48: 0x111943628 - rust_try_inner
49: 0x111943615 - rust_try
50: 0x10dde9e48 - thunk::F.Invoke<A, R>::invoke::h13725635537516470714
51: 0x1118af0a2 - sys::thread::thread_start::h1120d6d2e105321012E
52: 0x7fff9557e267 - _pthread_body
53: 0x7fff9557e1e4 - _pthread_start

Could not compile `glutin`.

Caused by:
Process didn't exit successfully: `rustc src/lib.rs --crate-name glutin --crate-type lib -g --cfg feature="default" --cfg feature="window" -C metadata=6425255afb8a758e -C extra-filename=-6425255afb8a758e --out-dir /path/to/glutin/target --emit=dep-info,link -L dependency=/path/to/glutin/target -L dependency=/path/to/glutin/target/deps --extern core_foundation=/path/to/glutin/target/deps/libcore_foundation-df9d60bb8553a7f7.rlib --extern gl_common=/path/to/glutin/target/deps/libgl_common-ec39142a57c733b7.rlib --extern cocoa=/path/to/glutin/target/deps/libcocoa-0ab2cb870a6d387c.rlib --extern libc=/path/to/glutin/target/deps/liblibc-8d21de95f4de7169.rlib --extern core_graphics=/path/to/glutin/target/deps/libcore_graphics-2ddc84c21f1f2a32.rlib` (exit

$ rustc --version --verbose
rustc 1.0.0-nightly (3b3bb0e68 2015-03-04) (built 2015-03-04)
binary: rustc
commit-hash: 3b3bb0e682c2d252e9f62dd9df5cff9552af91ad
commit-date: 2015-03-04
build-date: 2015-03-04
host: x86_64-apple-darwin
release: 1.0.0-nightly

Issue 2:
╭─mindcat@mindcat-linux-pc ~/workspace/nekoneko ‹master*›
╰─➤ RUST_BACKTRACE=1 RUST_LOG=nekoneko cargo build
Compiling env_logger v0.2.2 (https://github.com/rust-lang/log#e78b7368)
/home/rustbuild/src/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/sync/mutex.rs:177:37: 180:2 error: internal compiler error: debuginfo: Could not find scope info for node NodeExpr(Expr { id: 8309, node: ExprStruct(Path { span: Span { lo: BytePos(4566650), hi: BytePos(4566661), expn_id: ExpnId(4294967295) }, global: false, segments: [PathSegment { identifier: StaticMutex#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }, [Field { ident: Spanned { node: lock#0, span: Span { lo: BytePos(1770102), hi: BytePos(1770106), expn_id: ExpnId(4294967295) } }, expr: Expr { id: 8310, node: ExprPath(None, Path { span: Span { lo: BytePos(4566674), hi: BytePos(4566689), expn_id: ExpnId(4294967295) }, global: false, segments: [PathSegment { identifier: sys#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { identifier: MUTEX_INIT#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }), span: Span { lo: BytePos(4566674), hi: BytePos(4566689), expn_id: ExpnId(4294967295) } }, span: Span { lo: BytePos(4566668), hi: BytePos(4566689), expn_id: ExpnId(4294967295) } }, Field { ident: Spanned { node: poison#0, span: Span { lo: BytePos(1770129), hi: BytePos(1770135), expn_id: ExpnId(4294967295) } }, expr: Expr { id: 8311, node: ExprPath(None, Path { span: Span { lo: BytePos(4566703), hi: BytePos(4566720), expn_id: ExpnId(4294967295) }, global: false, segments: [PathSegment { identifier: poison#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { identifier: FLAG_INIT#0, parameters: AngleBracketedParameters(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }), span: Span { lo: BytePos(4566703), hi: BytePos(4566720), expn_id: ExpnId(4294967295) } }, span: Span { lo: BytePos(4566695), hi: BytePos(4566720), expn_id: ExpnId(4294967295) } }], None), span: Span { lo: BytePos(4566650), hi: BytePos(4566723), expn_id: ExpnId(4294967295) } })
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: 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:129

stack backtrace:
1: 0x7fa61c039f1f - sys::backtrace::write::hf79a3da4fdecb8a0OBA
2: 0x7fa61c064c32 - panicking::on_panic::h9f64f4c69e19f194hHJ
3: 0x7fa61bf99eda - rt::unwind::begin_unwind_inner::h37f4496c980fe936knJ
4: 0x7fa6193ecabd - rt::unwind::begin_unwind::h8320268356453106285
5: 0x7fa6193eca63 - diagnostic::SpanHandler::span_bug::h83c8af232eaba6a9h0D
6: 0x7fa619cc8ca3 - session::Session::span_bug::h857b2c7ae23c9286ISp
7: 0x7fa61b7e680c - trans::debuginfo::scope_metadata::hac54dfdbdcd04cd9SjE
8: 0x7fa61b6f9408 - trans::debuginfo::set_source_location::h1067a74086ed9dd48MD
9: 0x7fa61b6ade42 - trans::expr::trans_into::h95c6d2681fdd2548znh
10: 0x7fa61b6ae109 - trans::expr::trans_into::h95c6d2681fdd2548znh
11: 0x7fa61b71067f - trans::expr::trans_uniq_expr::h5f082eea62818f84ukj
12: 0x7fa61b7112ef - trans::expr::trans_unary::h4412379888608420Jgj
13: 0x7fa61b6fb80e - trans::expr::trans_unadjusted::hfd3a5e1b5cbe37d5z4h
14: 0x7fa61b6ae417 - trans::expr::trans_into::h95c6d2681fdd2548znh
15: 0x7fa61b72e6f9 - trans::expr::trans_adt::h1af69b9b4e52152aO6i
16: 0x7fa61b7311af - trans::expr::trans_struct::closure.42069
17: 0x7fa61b71b016 - trans::expr::trans_struct::hcae8f9103f3460d5K2i
18: 0x7fa61b6fd53d - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
19: 0x7fa61b6ae3f6 - trans::expr::trans_into::h95c6d2681fdd2548znh
20: 0x7fa61b6af227 - trans::controlflow::trans_block::h3e86dfa8c58560e6b5d
21: 0x7fa61b786821 - trans::base::trans_closure::hab3cc3c679d5ff23Kkt
22: 0x7fa61b697b08 - trans::base::trans_fn::he0569b8eb832adf9Dvt
23: 0x7fa61b6995a0 - trans::monomorphize::monomorphic_fn::hc1b7393dd1dc77f1usd
24: 0x7fa61b6dee4e - trans::callee::trans_fn_ref_with_substs::hd01acb4398310d154kg
25: 0x7fa61b6dd43e - trans::callee::trans_fn_ref::hb48e614c9b6dd9bcE9f
26: 0x7fa61b6da88d - trans::callee::trans::ha56f4fe94448e6baVYf
27: 0x7fa61b6f0fbb - trans::callee::trans_call_inner::h9722042290657949952
28: 0x7fa61b6fd9e0 - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
29: 0x7fa61b6ae3f6 - trans::expr::trans_into::h95c6d2681fdd2548znh
30: 0x7fa61b72e6f9 - trans::expr::trans_adt::h1af69b9b4e52152aO6i
31: 0x7fa61b7311af - trans::expr::trans_struct::closure.42069
32: 0x7fa61b71b016 - trans::expr::trans_struct::hcae8f9103f3460d5K2i
33: 0x7fa61b6fd53d - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
34: 0x7fa61b6fb668 - trans::expr::trans_unadjusted::hfd3a5e1b5cbe37d5z4h
35: 0x7fa61b6afb58 - trans::expr::trans::h23d7d0dd91a5190fHth
36: 0x7fa61b6ec9f3 - trans::callee::trans_args::h29a92a6ed71c85ebm1g
37: 0x7fa61b6f1ea0 - trans::callee::trans_call_inner::h9722042290657949952
38: 0x7fa61b6fd9e0 - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
39: 0x7fa61b6fb668 - trans::expr::trans_unadjusted::hfd3a5e1b5cbe37d5z4h
40: 0x7fa61b6afb58 - trans::expr::trans::h23d7d0dd91a5190fHth
41: 0x7fa61b6adee3 - trans::expr::trans_into::h95c6d2681fdd2548znh
42: 0x7fa61b6af227 - trans::controlflow::trans_block::h3e86dfa8c58560e6b5d
43: 0x7fa61b6fcf7e - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
44: 0x7fa61b6ae3f6 - trans::expr::trans_into::h95c6d2681fdd2548znh
45: 0x7fa61b6af227 - trans::controlflow::trans_block::h3e86dfa8c58560e6b5d
46: 0x7fa61b786821 - trans::base::trans_closure::hab3cc3c679d5ff23Kkt
47: 0x7fa61b72f139 - trans::closure::trans_closure_expr::hc99a1619c43ed333flx
48: 0x7fa61b6fda38 - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
49: 0x7fa61b6fb764 - trans::expr::trans_unadjusted::hfd3a5e1b5cbe37d5z4h
50: 0x7fa61b6afb58 - trans::expr::trans::h23d7d0dd91a5190fHth
51: 0x7fa61b6ec9f3 - trans::callee::trans_args::h29a92a6ed71c85ebm1g
52: 0x7fa61b6f1ea0 - trans::callee::trans_call_inner::h9722042290657949952
53: 0x7fa61b6fd9e0 - trans::expr::trans_rvalue_dps_unadjusted::hd47de7ac66e018254zi
54: 0x7fa61b6ae3f6 - trans::expr::trans_into::h95c6d2681fdd2548znh
55: 0x7fa61b6af227 - trans::controlflow::trans_block::h3e86dfa8c58560e6b5d
56: 0x7fa61b786821 - trans::base::trans_closure::hab3cc3c679d5ff23Kkt
57: 0x7fa61b697b08 - trans::base::trans_fn::he0569b8eb832adf9Dvt
58: 0x7fa61b6938a1 - trans::base::trans_item::h48fc370b7d259ac7vTt
59: 0x7fa61b78f7ec - trans::base::trans_crate::hc92be67ede893c70GPu
60: 0x7fa61c672e83 - driver::phase_4_translate_to_llvm::h9904f5d5fc3fb761rNa
61: 0x7fa61c64e83f - driver::compile_input::h3913ff7013f0c056Iba
62: 0x7fa61c716cb7 - run_compiler::h28a4446bae1034e7H5b
63: 0x7fa61c714829 - thunk::F.Invoke<A, R>::invoke::h6503055919709693733
64: 0x7fa61c7134a0 - rt::unwind::try::try_fn::h1384674024000742916
65: 0x7fa61c0d4de8 - rust_try_inner
66: 0x7fa61c0d4dd5 - rust_try
67: 0x7fa61c713c3f - thunk::F.Invoke<A, R>::invoke::h5780663349966142752
68: 0x7fa61c04f965 - sys::thread::thread_start::h4ab695857833a5dar8E
69: 0x7fa615ecc373 - start_thread
70: 0x7fa61bc1a27c - __clone
71: 0x0 - <unknown>

Could not compile `env_logger`.

To learn more, run the command again with --verbose.
╭─mindcat@mindcat-linux-pc ~/workspace/nekoneko ‹master*›
╰─➤ rustc --version 101 ↵
rustc 1.0.0-nightly (3b3bb0e68 2015-03-04) (built 2015-03-05)