Sep 06 07:17:53.340 INFO checking extern_attrib-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 07:17:53.340 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 07:17:53.340 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 07:17:53.507 INFO blam! dcdc56be81a7f8c85c6b67e2638b340457215c4ea16ced4095683bc74b9f9df5
Sep 06 07:17:53.508 INFO running `"docker" "start" "-a" "dcdc56be81a7f8c85c6b67e2638b340457215c4ea16ced4095683bc74b9f9df5"`
Sep 06 07:17:54.159 INFO kablam! usermod: no changes
Sep 06 07:17:54.214 INFO kablam!    Compiling extern_attrib v0.2.0 (file:///source)
Sep 06 07:17:55.440 INFO kablam! warning: doc comment not used by rustdoc
Sep 06 07:17:55.440 INFO kablam!   --> src/lib.rs:35:7
Sep 06 07:17:55.440 INFO kablam!    |
Sep 06 07:17:55.440 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 06 07:17:55.440 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:17:55.440 INFO kablam!    |
Sep 06 07:17:55.440 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 06 07:17:55.440 INFO kablam! 
Sep 06 07:17:55.516 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 06 07:17:55.516 INFO kablam!   --> src/lib.rs:13:12
Sep 06 07:17:55.516 INFO kablam!    |
Sep 06 07:17:55.516 INFO kablam! 13 | #![feature(proc_macro)]
Sep 06 07:17:55.516 INFO kablam!    |            ^^^^^^^^^^
Sep 06 07:17:55.516 INFO kablam!    |
Sep 06 07:17:55.516 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 06 07:17:55.516 INFO kablam! 
Sep 06 07:17:55.594 INFO kablam! warning: doc comment not used by rustdoc
Sep 06 07:17:55.594 INFO kablam!   --> src/lib.rs:35:7
Sep 06 07:17:55.594 INFO kablam!    |
Sep 06 07:17:55.594 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 06 07:17:55.594 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:17:55.594 INFO kablam!    |
Sep 06 07:17:55.594 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 06 07:17:55.594 INFO kablam! 
Sep 06 07:17:55.638 INFO kablam! warning: doc comment not used by rustdoc
Sep 06 07:17:55.638 INFO kablam!   --> src/lib.rs:35:7
Sep 06 07:17:55.638 INFO kablam!    |
Sep 06 07:17:55.638 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 06 07:17:55.638 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:17:55.638 INFO kablam!    |
Sep 06 07:17:55.638 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 06 07:17:55.638 INFO kablam! 
Sep 06 07:17:55.656 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 06 07:17:55.656 INFO kablam!   --> src/lib.rs:13:12
Sep 06 07:17:55.656 INFO kablam!    |
Sep 06 07:17:55.656 INFO kablam! 13 | #![feature(proc_macro)]
Sep 06 07:17:55.656 INFO kablam!    |            ^^^^^^^^^^
Sep 06 07:17:55.656 INFO kablam!    |
Sep 06 07:17:55.656 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 06 07:17:55.656 INFO kablam! 
Sep 06 07:17:55.686 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 06 07:17:55.686 INFO kablam!   --> src/lib.rs:13:12
Sep 06 07:17:55.686 INFO kablam!    |
Sep 06 07:17:55.686 INFO kablam! 13 | #![feature(proc_macro)]
Sep 06 07:17:55.686 INFO kablam!    |            ^^^^^^^^^^
Sep 06 07:17:55.686 INFO kablam!    |
Sep 06 07:17:55.686 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 06 07:17:55.686 INFO kablam! 
Sep 06 07:17:56.964 INFO kablam! warning: doc comment not used by rustdoc
Sep 06 07:17:56.964 INFO kablam!   --> tests/tests.rs:24:9
Sep 06 07:17:56.964 INFO kablam!    |
Sep 06 07:17:56.965 INFO kablam! 24 |         /// This should cause build failure if extern_auto is incorrect.
Sep 06 07:17:56.965 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:17:56.965 INFO kablam!    |
Sep 06 07:17:56.965 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 06 07:17:56.965 INFO kablam! 
Sep 06 07:17:56.984 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 06 07:17:56.985 INFO kablam!  --> tests/tests.rs:1:12
Sep 06 07:17:56.985 INFO kablam!   |
Sep 06 07:17:56.985 INFO kablam! 1 | #![feature(proc_macro)]
Sep 06 07:17:56.985 INFO kablam!   |            ^^^^^^^^^^
Sep 06 07:17:56.985 INFO kablam!   |
Sep 06 07:17:56.985 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 06 07:17:56.985 INFO kablam! 
Sep 06 07:17:56.998 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Sep 06 07:17:57.005 INFO kablam! su: No module specific data is present
Sep 06 07:17:57.749 INFO running `"docker" "rm" "-f" "dcdc56be81a7f8c85c6b67e2638b340457215c4ea16ced4095683bc74b9f9df5"`
Sep 06 07:17:57.824 INFO blam! dcdc56be81a7f8c85c6b67e2638b340457215c4ea16ced4095683bc74b9f9df5