Sep 18 00:57:37.984 INFO checking extern_attrib-0.2.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 00:57:37.984 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 00:57:37.985 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 00:57:38.203 INFO blam! 947cd599594ea29ca8bfb7912dd48be453f4a1d2fb01a30d9c5c529f03bd491a
Sep 18 00:57:38.207 INFO running `"docker" "start" "-a" "947cd599594ea29ca8bfb7912dd48be453f4a1d2fb01a30d9c5c529f03bd491a"`
Sep 18 00:57:39.282 INFO kablam! usermod: no changes
Sep 18 00:57:39.370 INFO kablam!    Compiling extern_attrib v0.2.0 (/source)
Sep 18 00:57:40.899 INFO kablam! warning: doc comment not used by rustdoc
Sep 18 00:57:40.899 INFO kablam!   --> src/lib.rs:35:7
Sep 18 00:57:40.899 INFO kablam!    |
Sep 18 00:57:40.899 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 18 00:57:40.899 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 18 00:57:40.899 INFO kablam!    |
Sep 18 00:57:40.899 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 18 00:57:40.899 INFO kablam! 
Sep 18 00:57:40.997 INFO kablam! warning: doc comment not used by rustdoc
Sep 18 00:57:40.997 INFO kablam!   --> src/lib.rs:35:7
Sep 18 00:57:40.997 INFO kablam!    |
Sep 18 00:57:40.997 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 18 00:57:40.997 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 18 00:57:40.997 INFO kablam!    |
Sep 18 00:57:40.997 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 18 00:57:40.997 INFO kablam! 
Sep 18 00:57:41.027 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 18 00:57:41.027 INFO kablam!   --> src/lib.rs:13:12
Sep 18 00:57:41.027 INFO kablam!    |
Sep 18 00:57:41.027 INFO kablam! 13 | #![feature(proc_macro)]
Sep 18 00:57:41.027 INFO kablam!    |            ^^^^^^^^^^
Sep 18 00:57:41.027 INFO kablam!    |
Sep 18 00:57:41.027 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 18 00:57:41.027 INFO kablam! 
Sep 18 00:57:41.047 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 18 00:57:41.047 INFO kablam!   --> src/lib.rs:13:12
Sep 18 00:57:41.047 INFO kablam!    |
Sep 18 00:57:41.047 INFO kablam! 13 | #![feature(proc_macro)]
Sep 18 00:57:41.047 INFO kablam!    |            ^^^^^^^^^^
Sep 18 00:57:41.047 INFO kablam!    |
Sep 18 00:57:41.047 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 18 00:57:41.047 INFO kablam! 
Sep 18 00:57:41.114 INFO kablam! warning: doc comment not used by rustdoc
Sep 18 00:57:41.114 INFO kablam!   --> src/lib.rs:35:7
Sep 18 00:57:41.114 INFO kablam!    |
Sep 18 00:57:41.114 INFO kablam! 35 |     { //! This scope drops abi_opt after mutation.
Sep 18 00:57:41.114 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 18 00:57:41.114 INFO kablam!    |
Sep 18 00:57:41.114 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 18 00:57:41.114 INFO kablam! 
Sep 18 00:57:41.203 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 18 00:57:41.203 INFO kablam!   --> src/lib.rs:13:12
Sep 18 00:57:41.203 INFO kablam!    |
Sep 18 00:57:41.203 INFO kablam! 13 | #![feature(proc_macro)]
Sep 18 00:57:41.203 INFO kablam!    |            ^^^^^^^^^^
Sep 18 00:57:41.203 INFO kablam!    |
Sep 18 00:57:41.203 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 18 00:57:41.203 INFO kablam! 
Sep 18 00:57:42.145 INFO kablam! warning: doc comment not used by rustdoc
Sep 18 00:57:42.145 INFO kablam!   --> tests/tests.rs:24:9
Sep 18 00:57:42.145 INFO kablam!    |
Sep 18 00:57:42.145 INFO kablam! 24 |         /// This should cause build failure if extern_auto is incorrect.
Sep 18 00:57:42.145 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 18 00:57:42.145 INFO kablam!    |
Sep 18 00:57:42.145 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 18 00:57:42.145 INFO kablam! 
Sep 18 00:57:42.168 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 18 00:57:42.168 INFO kablam!  --> tests/tests.rs:1:12
Sep 18 00:57:42.168 INFO kablam!   |
Sep 18 00:57:42.168 INFO kablam! 1 | #![feature(proc_macro)]
Sep 18 00:57:42.168 INFO kablam!   |            ^^^^^^^^^^
Sep 18 00:57:42.168 INFO kablam!   |
Sep 18 00:57:42.168 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 00:57:42.168 INFO kablam! 
Sep 18 00:57:42.186 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
Sep 18 00:57:42.187 INFO kablam! su: No module specific data is present
Sep 18 00:57:42.952 INFO running `"docker" "rm" "-f" "947cd599594ea29ca8bfb7912dd48be453f4a1d2fb01a30d9c5c529f03bd491a"`
Sep 18 00:57:43.071 INFO blam! 947cd599594ea29ca8bfb7912dd48be453f4a1d2fb01a30d9c5c529f03bd491a