Aug 30 03:52:25.793 INFO checking safe_core-0.31.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 03:52:25.793 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 03:52:25.793 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 03:52:26.053 INFO blam! 1830f189ce7bde27e0cd4d0ef55ad59ca35f125b3dcbd444d76aa255d5fc5017
Aug 30 03:52:26.055 INFO running `"docker" "start" "-a" "1830f189ce7bde27e0cd4d0ef55ad59ca35f125b3dcbd444d76aa255d5fc5017"`
Aug 30 03:52:27.409 INFO kablam!     Checking jni-sys v0.3.0
Aug 30 03:52:27.414 INFO kablam!     Checking cesu8 v1.1.0
Aug 30 03:52:27.483 INFO kablam!    Compiling brotli-sys v0.3.0
Aug 30 03:52:27.484 INFO kablam!     Checking base64 v0.9.2
Aug 30 03:52:27.484 INFO kablam!    Compiling walkdir v2.0.1
Aug 30 03:52:27.484 INFO kablam!     Checking combine v2.5.2
Aug 30 03:52:27.506 INFO kablam!     Checking crossbeam-epoch v0.5.2
Aug 30 03:52:29.482 INFO kablam!     Checking tokio-io v0.1.8
Aug 30 03:52:31.139 INFO kablam!     Checking regex v0.2.11
Aug 30 03:52:31.549 INFO kablam!     Checking resource_proof v0.5.0
Aug 30 03:52:33.447 INFO kablam!    Compiling zip v0.2.8
Aug 30 03:52:36.289 INFO kablam!     Checking crossbeam-deque v0.6.1
Aug 30 03:52:36.295 INFO kablam!     Checking log4rs v0.7.0
Aug 30 03:52:36.375 INFO kablam!    Compiling jni v0.10.1
Aug 30 03:52:40.624 INFO kablam!     Checking tokio-codec v0.1.0
Aug 30 03:52:40.624 INFO kablam!     Checking tokio-reactor v0.1.5
Aug 30 03:52:41.476 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 30 03:52:42.130 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.130 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 30 03:52:42.130 INFO kablam!    |
Aug 30 03:52:42.131 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.131 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.131 INFO kablam!    |
Aug 30 03:52:42.131 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.131 INFO kablam! 
Aug 30 03:52:42.139 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.139 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 30 03:52:42.139 INFO kablam!    |
Aug 30 03:52:42.139 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.139 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.139 INFO kablam!    |
Aug 30 03:52:42.139 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.139 INFO kablam! 
Aug 30 03:52:42.140 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.140 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 30 03:52:42.140 INFO kablam!    |
Aug 30 03:52:42.140 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.140 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.140 INFO kablam!    |
Aug 30 03:52:42.140 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.140 INFO kablam! 
Aug 30 03:52:42.140 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.140 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 30 03:52:42.140 INFO kablam!    |
Aug 30 03:52:42.140 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.140 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.140 INFO kablam!    |
Aug 30 03:52:42.140 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.140 INFO kablam! 
Aug 30 03:52:42.140 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.140 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 30 03:52:42.140 INFO kablam!    |
Aug 30 03:52:42.141 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.141 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.141 INFO kablam!    |
Aug 30 03:52:42.141 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.141 INFO kablam! 
Aug 30 03:52:42.141 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.141 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 30 03:52:42.141 INFO kablam!    |
Aug 30 03:52:42.141 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.141 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.141 INFO kablam!    |
Aug 30 03:52:42.141 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.141 INFO kablam! 
Aug 30 03:52:42.142 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 03:52:42.143 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 30 03:52:42.143 INFO kablam!    |
Aug 30 03:52:42.143 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 03:52:42.143 INFO kablam!    |   ^^^^^
Aug 30 03:52:42.143 INFO kablam!    |
Aug 30 03:52:42.143 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:52:42.143 INFO kablam! 
Aug 30 03:52:42.609 INFO kablam! error: aborting due to 7 previous errors
Aug 30 03:52:42.609 INFO kablam! 
Aug 30 03:52:42.609 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 03:52:42.639 INFO kablam! error: Could not compile `log4rs`.
Aug 30 03:52:42.639 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 03:52:53.391 INFO kablam! error: build failed
Aug 30 03:52:53.403 INFO kablam! su: No module specific data is present
Aug 30 03:52:53.964 INFO running `"docker" "rm" "-f" "1830f189ce7bde27e0cd4d0ef55ad59ca35f125b3dcbd444d76aa255d5fc5017"`
Aug 30 03:52:54.118 INFO blam! 1830f189ce7bde27e0cd4d0ef55ad59ca35f125b3dcbd444d76aa255d5fc5017