Sep 02 14:53:35.605 INFO checking extern_attrib-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 14:53:35.605 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 14:53:35.605 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 14:53:35.761 INFO blam! df0f17d34e06590c47654c8e9c6e1272d24b44f81f679eb182680dd3faa2822e
Sep 02 14:53:35.763 INFO running `"docker" "start" "-a" "df0f17d34e06590c47654c8e9c6e1272d24b44f81f679eb182680dd3faa2822e"`
Sep 02 14:53:36.479 INFO kablam!    Compiling extern_attrib v0.2.0 (file:///source)
Sep 02 14:53:40.167 INFO kablam! warning: doc comment not used by rustdoc
Sep 02 14:53:40.167 INFO kablam!   --> src/lib.rs:35:7
Sep 02 14:53:40.167 INFO kablam!    |
Sep 02 14:53:40.167 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 02 14:53:40.167 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 14:53:40.167 INFO kablam!    |
Sep 02 14:53:40.167 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 02 14:53:40.167 INFO kablam! 
Sep 02 14:53:40.287 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 02 14:53:40.287 INFO kablam!   --> src/lib.rs:13:12
Sep 02 14:53:40.287 INFO kablam!    |
Sep 02 14:53:40.287 INFO kablam! 13 | #![feature(proc_macro)]
Sep 02 14:53:40.287 INFO kablam!    |            ^^^^^^^^^^
Sep 02 14:53:40.287 INFO kablam!    |
Sep 02 14:53:40.288 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 02 14:53:40.288 INFO kablam! 
Sep 02 14:53:40.295 INFO kablam! warning: doc comment not used by rustdoc
Sep 02 14:53:40.295 INFO kablam!   --> src/lib.rs:35:7
Sep 02 14:53:40.296 INFO kablam!    |
Sep 02 14:53:40.296 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 02 14:53:40.296 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 14:53:40.296 INFO kablam!    |
Sep 02 14:53:40.296 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 02 14:53:40.296 INFO kablam! 
Sep 02 14:53:40.416 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 02 14:53:40.416 INFO kablam!   --> src/lib.rs:13:12
Sep 02 14:53:40.416 INFO kablam!    |
Sep 02 14:53:40.416 INFO kablam! 13 | #![feature(proc_macro)]
Sep 02 14:53:40.416 INFO kablam!    |            ^^^^^^^^^^
Sep 02 14:53:40.417 INFO kablam!    |
Sep 02 14:53:40.417 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 02 14:53:40.417 INFO kablam! 
Sep 02 14:53:40.559 INFO kablam! warning: doc comment not used by rustdoc
Sep 02 14:53:40.559 INFO kablam!   --> src/lib.rs:35:7
Sep 02 14:53:40.559 INFO kablam!    |
Sep 02 14:53:40.559 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 02 14:53:40.559 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 14:53:40.559 INFO kablam!    |
Sep 02 14:53:40.559 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 02 14:53:40.559 INFO kablam! 
Sep 02 14:53:40.735 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 02 14:53:40.735 INFO kablam!   --> src/lib.rs:13:12
Sep 02 14:53:40.735 INFO kablam!    |
Sep 02 14:53:40.735 INFO kablam! 13 | #![feature(proc_macro)]
Sep 02 14:53:40.735 INFO kablam!    |            ^^^^^^^^^^
Sep 02 14:53:40.736 INFO kablam!    |
Sep 02 14:53:40.736 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 02 14:53:40.736 INFO kablam! 
Sep 02 14:53:42.500 INFO kablam! warning: doc comment not used by rustdoc
Sep 02 14:53:42.501 INFO kablam!   --> tests/tests.rs:24:9
Sep 02 14:53:42.501 INFO kablam!    |
Sep 02 14:53:42.501 INFO kablam! 24 |         /// This should cause build failure if extern_auto is incorrect.
Sep 02 14:53:42.501 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 14:53:42.501 INFO kablam!    |
Sep 02 14:53:42.501 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 02 14:53:42.501 INFO kablam! 
Sep 02 14:53:42.534 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 02 14:53:42.534 INFO kablam!  --> tests/tests.rs:1:12
Sep 02 14:53:42.534 INFO kablam!   |
Sep 02 14:53:42.534 INFO kablam! 1 | #![feature(proc_macro)]
Sep 02 14:53:42.534 INFO kablam!   |            ^^^^^^^^^^
Sep 02 14:53:42.535 INFO kablam!   |
Sep 02 14:53:42.535 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 14:53:42.535 INFO kablam! 
Sep 02 14:53:42.546 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
Sep 02 14:53:42.550 INFO kablam! su: No module specific data is present
Sep 02 14:53:43.039 INFO running `"docker" "rm" "-f" "df0f17d34e06590c47654c8e9c6e1272d24b44f81f679eb182680dd3faa2822e"`
Sep 02 14:53:43.120 INFO blam! df0f17d34e06590c47654c8e9c6e1272d24b44f81f679eb182680dd3faa2822e