Aug 30 03:28:06.607 INFO checking self_encryption-0.11.2 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 03:28:06.607 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 03:28:06.607 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/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 03:28:06.781 INFO blam! b51c558002e46e17dc270cf96e6855dbdd0bf87f4e79bd6ba4ac8db58a812e5a
Aug 30 03:28:06.783 INFO running `"docker" "start" "-a" "b51c558002e46e17dc270cf96e6855dbdd0bf87f4e79bd6ba4ac8db58a812e5a"`
Aug 30 03:28:07.470 INFO kablam!     Checking brotli-sys v0.3.0
Aug 30 03:28:07.470 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Aug 30 03:28:07.473 INFO kablam!     Checking ws v0.7.3
Aug 30 03:28:07.473 INFO kablam!     Checking config_file_handler v0.8.3
Aug 30 03:28:07.475 INFO kablam!     Checking log4rs v0.7.0
Aug 30 03:28:08.015 INFO kablam!     Checking brotli2 v0.3.0
Aug 30 03:28:09.129 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 03:28:09.130 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 30 03:28:09.130 INFO kablam!    |
Aug 30 03:28:09.130 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.130 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.131 INFO kablam!    |
Aug 30 03:28:09.131 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.131 INFO kablam! 
Aug 30 03:28:09.131 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 03:28:09.131 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 30 03:28:09.131 INFO kablam!    |
Aug 30 03:28:09.131 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.131 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.131 INFO kablam!    |
Aug 30 03:28:09.131 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.131 INFO kablam! 
Aug 30 03:28:09.131 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 03:28:09.131 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 03:28:09.131 INFO kablam!    |
Aug 30 03:28:09.131 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.131 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.131 INFO kablam!    |
Aug 30 03:28:09.131 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.132 INFO kablam! 
Aug 30 03:28:09.132 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 03:28:09.132 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 03:28:09.132 INFO kablam!    |
Aug 30 03:28:09.132 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.132 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.132 INFO kablam!    |
Aug 30 03:28:09.132 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.132 INFO kablam! 
Aug 30 03:28:09.132 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 03:28:09.132 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 03:28:09.132 INFO kablam!    |
Aug 30 03:28:09.132 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.132 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.132 INFO kablam!    |
Aug 30 03:28:09.132 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.132 INFO kablam! 
Aug 30 03:28:09.134 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 03:28:09.134 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 03:28:09.134 INFO kablam!    |
Aug 30 03:28:09.134 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.134 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.134 INFO kablam!    |
Aug 30 03:28:09.134 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.134 INFO kablam! 
Aug 30 03:28:09.134 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 03:28:09.134 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 30 03:28:09.134 INFO kablam!    |
Aug 30 03:28:09.134 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 03:28:09.135 INFO kablam!    |   ^^^^^
Aug 30 03:28:09.135 INFO kablam!    |
Aug 30 03:28:09.135 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 03:28:09.135 INFO kablam! 
Aug 30 03:28:09.347 INFO kablam!    Compiling flate2 v1.0.2
Aug 30 03:28:09.381 INFO kablam! error: aborting due to 7 previous errors
Aug 30 03:28:09.381 INFO kablam! 
Aug 30 03:28:09.381 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 03:28:09.390 INFO kablam! error: Could not compile `log4rs`.
Aug 30 03:28:09.391 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 03:28:12.396 INFO kablam! error: build failed
Aug 30 03:28:12.397 INFO kablam! su: No module specific data is present
Aug 30 03:28:12.756 INFO running `"docker" "rm" "-f" "b51c558002e46e17dc270cf96e6855dbdd0bf87f4e79bd6ba4ac8db58a812e5a"`
Aug 30 03:28:12.889 INFO blam! b51c558002e46e17dc270cf96e6855dbdd0bf87f4e79bd6ba4ac8db58a812e5a