Aug 30 13:07:38.272 INFO checking knx_examples_rs-0.0.2 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 13:07:38.273 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 13:07:38.273 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 13:07:38.438 INFO blam! 978340359c68cd0acbe96763ecda1b01e9cad6cc733e0741a1c3ef4edafa8a19
Aug 30 13:07:38.439 INFO running `"docker" "start" "-a" "978340359c68cd0acbe96763ecda1b01e9cad6cc733e0741a1c3ef4edafa8a19"`
Aug 30 13:07:39.181 INFO kablam!     Checking knx_rs v0.0.2
Aug 30 13:07:39.181 INFO kablam!     Checking log4rs v0.8.0
Aug 30 13:07:40.811 INFO kablam!     Checking knx_ets_rs v0.0.2
Aug 30 13:07:40.816 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 13:07:40.816 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 30 13:07:40.816 INFO kablam!    |
Aug 30 13:07:40.816 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.816 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.816 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.817 INFO kablam! 
Aug 30 13:07:40.817 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 13:07:40.817 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.817 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.817 INFO kablam! 
Aug 30 13:07:40.817 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 13:07:40.817 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.817 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.817 INFO kablam! 
Aug 30 13:07:40.817 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 13:07:40.817 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.817 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.817 INFO kablam! 
Aug 30 13:07:40.817 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 13:07:40.817 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.817 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.817 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.817 INFO kablam!    |
Aug 30 13:07:40.818 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.818 INFO kablam! 
Aug 30 13:07:40.818 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 13:07:40.818 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 30 13:07:40.818 INFO kablam!    |
Aug 30 13:07:40.818 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.818 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.818 INFO kablam!    |
Aug 30 13:07:40.818 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.818 INFO kablam! 
Aug 30 13:07:40.818 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 13:07:40.818 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 30 13:07:40.818 INFO kablam!    |
Aug 30 13:07:40.818 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 13:07:40.818 INFO kablam!    |   ^^^^^
Aug 30 13:07:40.818 INFO kablam!    |
Aug 30 13:07:40.818 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 13:07:40.818 INFO kablam! 
Aug 30 13:07:40.930 INFO kablam! error: aborting due to 7 previous errors
Aug 30 13:07:40.930 INFO kablam! 
Aug 30 13:07:40.930 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 13:07:40.938 INFO kablam! error: Could not compile `log4rs`.
Aug 30 13:07:40.939 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 13:07:41.747 INFO kablam! error: build failed
Aug 30 13:07:41.749 INFO kablam! su: No module specific data is present
Aug 30 13:07:42.501 INFO running `"docker" "rm" "-f" "978340359c68cd0acbe96763ecda1b01e9cad6cc733e0741a1c3ef4edafa8a19"`
Aug 30 13:07:42.587 INFO blam! 978340359c68cd0acbe96763ecda1b01e9cad6cc733e0741a1c3ef4edafa8a19