Aug 30 20:51:15.625 INFO checking crust-0.31.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 20:51:15.625 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 20:51:15.625 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 20:51:15.787 INFO blam! d28c19e532b65508e7937f4aff7f002ebf6d13d628d1f7584f42febf8a9f958b
Aug 30 20:51:15.789 INFO running `"docker" "start" "-a" "d28c19e532b65508e7937f4aff7f002ebf6d13d628d1f7584f42febf8a9f958b"`
Aug 30 20:51:16.821 INFO kablam!    Compiling byteorder v1.1.0
Aug 30 20:51:16.824 INFO kablam!    Compiling unwrap v1.2.1
Aug 30 20:51:16.829 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Aug 30 20:51:16.831 INFO kablam!    Compiling url v1.5.1
Aug 30 20:51:16.832 INFO kablam!     Checking clap v2.25.1
Aug 30 20:51:16.836 INFO kablam!    Compiling openssl v0.9.24
Aug 30 20:51:16.836 INFO kablam!     Checking config_file_handler v0.11.0
Aug 30 20:51:16.836 INFO kablam!    Compiling phf v0.7.23
Aug 30 20:51:19.429 INFO kablam!    Compiling flate2 v1.0.2
Aug 30 20:51:21.229 INFO kablam!     Checking igd v0.6.0
Aug 30 20:51:21.240 INFO kablam!    Compiling crossbeam-deque v0.6.1
Aug 30 20:51:21.243 INFO kablam!     Checking log4rs v0.7.0
Aug 30 20:51:21.256 INFO kablam!    Compiling bytes v0.4.9
Aug 30 20:51:27.212 INFO kablam!    Compiling base64 v0.9.2
Aug 30 20:51:28.291 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 20:51:28.291 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 30 20:51:28.291 INFO kablam!    |
Aug 30 20:51:28.291 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.291 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.291 INFO kablam!    |
Aug 30 20:51:28.291 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.291 INFO kablam! 
Aug 30 20:51:28.291 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 20:51:28.291 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 30 20:51:28.291 INFO kablam!    |
Aug 30 20:51:28.291 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.291 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.291 INFO kablam!    |
Aug 30 20:51:28.291 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.291 INFO kablam! 
Aug 30 20:51:28.293 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 20:51:28.293 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 20:51:28.293 INFO kablam!    |
Aug 30 20:51:28.293 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.293 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.293 INFO kablam!    |
Aug 30 20:51:28.293 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.293 INFO kablam! 
Aug 30 20:51:28.293 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 20:51:28.293 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 20:51:28.293 INFO kablam!    |
Aug 30 20:51:28.293 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.293 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.293 INFO kablam!    |
Aug 30 20:51:28.293 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.293 INFO kablam! 
Aug 30 20:51:28.293 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 20:51:28.293 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 20:51:28.293 INFO kablam!    |
Aug 30 20:51:28.293 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.293 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.293 INFO kablam!    |
Aug 30 20:51:28.294 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.294 INFO kablam! 
Aug 30 20:51:28.294 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 20:51:28.294 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 20:51:28.294 INFO kablam!    |
Aug 30 20:51:28.294 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.294 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.294 INFO kablam!    |
Aug 30 20:51:28.294 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.294 INFO kablam! 
Aug 30 20:51:28.294 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 20:51:28.294 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 30 20:51:28.294 INFO kablam!    |
Aug 30 20:51:28.294 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 20:51:28.294 INFO kablam!    |   ^^^^^
Aug 30 20:51:28.294 INFO kablam!    |
Aug 30 20:51:28.294 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:51:28.294 INFO kablam! 
Aug 30 20:51:28.639 INFO kablam! error: aborting due to 7 previous errors
Aug 30 20:51:28.639 INFO kablam! 
Aug 30 20:51:28.639 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 20:51:28.650 INFO kablam! error: Could not compile `log4rs`.
Aug 30 20:51:28.650 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 20:51:36.798 INFO kablam! error: build failed
Aug 30 20:51:36.800 INFO kablam! su: No module specific data is present
Aug 30 20:51:37.339 INFO running `"docker" "rm" "-f" "d28c19e532b65508e7937f4aff7f002ebf6d13d628d1f7584f42febf8a9f958b"`
Aug 30 20:51:37.443 INFO blam! d28c19e532b65508e7937f4aff7f002ebf6d13d628d1f7584f42febf8a9f958b