Aug 11 15:00:21.271 INFO checking extern_attrib-0.2.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 15:00:21.271 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 15:00:21.271 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 15:00:21.271 INFO running `"docker" "create" "-v" "/tmp/crater.31cnlVmtmgqM:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 15:00:21.482 INFO blam! 10f2a201b09cc9befdc2e35dd581c3d3ebf3e26c01c926123d63d2b687dc7e58
Aug 11 15:00:21.485 INFO running `"docker" "start" "-a" "10f2a201b09cc9befdc2e35dd581c3d3ebf3e26c01c926123d63d2b687dc7e58"`
Aug 11 15:00:22.520 INFO kablam!    Compiling extern_attrib v0.2.0 (file:///source)
Aug 11 15:00:25.157 INFO kablam! warning: doc comment not used by rustdoc
Aug 11 15:00:25.158 INFO kablam!   --> src/lib.rs:35:7
Aug 11 15:00:25.158 INFO kablam!    |
Aug 11 15:00:25.158 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Aug 11 15:00:25.158 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 15:00:25.158 INFO kablam!    |
Aug 11 15:00:25.158 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 11 15:00:25.158 INFO kablam! 
Aug 11 15:00:25.263 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 15:00:25.263 INFO kablam!   --> src/lib.rs:13:12
Aug 11 15:00:25.263 INFO kablam!    |
Aug 11 15:00:25.263 INFO kablam! 13 | #![feature(proc_macro)]
Aug 11 15:00:25.263 INFO kablam!    |            ^^^^^^^^^^
Aug 11 15:00:25.263 INFO kablam!    |
Aug 11 15:00:25.263 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 11 15:00:25.264 INFO kablam! 
Aug 11 15:00:25.396 INFO kablam! warning: doc comment not used by rustdoc
Aug 11 15:00:25.396 INFO kablam!   --> src/lib.rs:35:7
Aug 11 15:00:25.396 INFO kablam!    |
Aug 11 15:00:25.396 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Aug 11 15:00:25.396 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 15:00:25.396 INFO kablam!    |
Aug 11 15:00:25.396 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 11 15:00:25.396 INFO kablam! 
Aug 11 15:00:25.545 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 15:00:25.545 INFO kablam!   --> src/lib.rs:13:12
Aug 11 15:00:25.545 INFO kablam!    |
Aug 11 15:00:25.545 INFO kablam! 13 | #![feature(proc_macro)]
Aug 11 15:00:25.545 INFO kablam!    |            ^^^^^^^^^^
Aug 11 15:00:25.546 INFO kablam!    |
Aug 11 15:00:25.546 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 11 15:00:25.546 INFO kablam! 
Aug 11 15:00:25.647 INFO kablam! warning: doc comment not used by rustdoc
Aug 11 15:00:25.647 INFO kablam!   --> src/lib.rs:35:7
Aug 11 15:00:25.647 INFO kablam!    |
Aug 11 15:00:25.647 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Aug 11 15:00:25.647 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 15:00:25.647 INFO kablam!    |
Aug 11 15:00:25.647 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 11 15:00:25.647 INFO kablam! 
Aug 11 15:00:25.761 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 15:00:25.761 INFO kablam!   --> src/lib.rs:13:12
Aug 11 15:00:25.761 INFO kablam!    |
Aug 11 15:00:25.761 INFO kablam! 13 | #![feature(proc_macro)]
Aug 11 15:00:25.761 INFO kablam!    |            ^^^^^^^^^^
Aug 11 15:00:25.761 INFO kablam!    |
Aug 11 15:00:25.761 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 11 15:00:25.761 INFO kablam! 
Aug 11 15:00:27.552 INFO kablam! warning: proc macro crates and `#[no_link]` crates have no effect without `#[macro_use]`
Aug 11 15:00:27.552 INFO kablam!  --> tests/tests.rs:2:1
Aug 11 15:00:27.552 INFO kablam!   |
Aug 11 15:00:27.552 INFO kablam! 2 | extern crate extern_attrib;
Aug 11 15:00:27.552 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 15:00:27.552 INFO kablam! 
Aug 11 15:00:27.605 INFO kablam! error[E0432]: unresolved import `extern_attrib::extern_auto`
Aug 11 15:00:27.605 INFO kablam!  --> tests/tests.rs:6:9
Aug 11 15:00:27.605 INFO kablam!   |
Aug 11 15:00:27.606 INFO kablam! 6 |     use extern_attrib::extern_auto;
Aug 11 15:00:27.606 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `extern_auto` in the root
Aug 11 15:00:27.606 INFO kablam! 
Aug 11 15:00:27.606 INFO kablam! error[E0658]: The attribute `extern_auto` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 11 15:00:27.606 INFO kablam!   --> tests/tests.rs:14:9
Aug 11 15:00:27.606 INFO kablam!    |
Aug 11 15:00:27.606 INFO kablam! 14 |         #[extern_auto]
Aug 11 15:00:27.606 INFO kablam!    |         ^^^^^^^^^^^^^^
Aug 11 15:00:27.606 INFO kablam!    |
Aug 11 15:00:27.606 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 11 15:00:27.606 INFO kablam! 
Aug 11 15:00:27.606 INFO kablam! error: aborting due to 2 previous errors
Aug 11 15:00:27.606 INFO kablam! 
Aug 11 15:00:27.606 INFO kablam! Some errors occurred: E0432, E0658.
Aug 11 15:00:27.607 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Aug 11 15:00:27.611 INFO kablam! error: Could not compile `extern_attrib`.
Aug 11 15:00:27.611 INFO kablam! 
Aug 11 15:00:27.611 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 15:00:27.613 INFO kablam! su: No module specific data is present
Aug 11 15:00:28.930 INFO running `"docker" "rm" "-f" "10f2a201b09cc9befdc2e35dd581c3d3ebf3e26c01c926123d63d2b687dc7e58"`
Aug 11 15:00:29.055 INFO blam! 10f2a201b09cc9befdc2e35dd581c3d3ebf3e26c01c926123d63d2b687dc7e58