Aug 30 04:08:39.962 INFO checking self_encryption-0.11.2 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 04:08:39.962 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 04:08:39.962 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 04:08:40.148 INFO blam! 1fd60a3d0ab22faef69d7cca8064e976ba8f16a020339b41a06ed9fb8a132858
Aug 30 04:08:40.149 INFO running `"docker" "start" "-a" "1fd60a3d0ab22faef69d7cca8064e976ba8f16a020339b41a06ed9fb8a132858"`
Aug 30 04:08:40.889 INFO kablam!     Checking brotli-sys v0.3.0
Aug 30 04:08:40.890 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Aug 30 04:08:40.892 INFO kablam!     Checking ws v0.7.3
Aug 30 04:08:40.894 INFO kablam!     Checking config_file_handler v0.8.3
Aug 30 04:08:40.895 INFO kablam!     Checking log4rs v0.7.0
Aug 30 04:08:41.559 INFO kablam!     Checking brotli2 v0.3.0
Aug 30 04:08:42.139 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 04:08:42.139 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 30 04:08:42.139 INFO kablam!    |
Aug 30 04:08:42.139 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.139 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.139 INFO kablam!    |
Aug 30 04:08:42.139 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.139 INFO kablam! 
Aug 30 04:08:42.140 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 04:08:42.140 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 30 04:08:42.140 INFO kablam!    |
Aug 30 04:08:42.140 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.140 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.141 INFO kablam! 
Aug 30 04:08:42.141 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 04:08:42.141 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 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.141 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.141 INFO kablam! 
Aug 30 04:08:42.141 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 04:08:42.141 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 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.141 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.141 INFO kablam! 
Aug 30 04:08:42.141 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 04:08:42.141 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 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.141 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.141 INFO kablam!    |
Aug 30 04:08:42.141 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.142 INFO kablam! 
Aug 30 04:08:42.142 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 04:08:42.142 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 04:08:42.142 INFO kablam!    |
Aug 30 04:08:42.142 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.142 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.142 INFO kablam!    |
Aug 30 04:08:42.142 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.142 INFO kablam! 
Aug 30 04:08:42.142 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 04:08:42.142 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 30 04:08:42.142 INFO kablam!    |
Aug 30 04:08:42.142 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 04:08:42.142 INFO kablam!    |   ^^^^^
Aug 30 04:08:42.142 INFO kablam!    |
Aug 30 04:08:42.142 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:08:42.142 INFO kablam! 
Aug 30 04:08:42.244 INFO kablam! error: aborting due to 7 previous errors
Aug 30 04:08:42.245 INFO kablam! 
Aug 30 04:08:42.245 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 04:08:42.254 INFO kablam! error: Could not compile `log4rs`.
Aug 30 04:08:42.254 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 04:08:44.099 INFO kablam! error: build failed
Aug 30 04:08:44.101 INFO kablam! su: No module specific data is present
Aug 30 04:08:44.527 INFO running `"docker" "rm" "-f" "1fd60a3d0ab22faef69d7cca8064e976ba8f16a020339b41a06ed9fb8a132858"`
Aug 30 04:08:44.644 INFO blam! 1fd60a3d0ab22faef69d7cca8064e976ba8f16a020339b41a06ed9fb8a132858