Aug 31 16:34:22.515 INFO checking rincon_client-0.1.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 16:34:22.515 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 16:34:22.515 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 16:34:22.675 INFO blam! 9c2ae6f31430fa4aba62d086f9767b4acf7d2ce79bceca7505b5716c1d43acc3
Aug 31 16:34:22.675 INFO running `"docker" "start" "-a" "9c2ae6f31430fa4aba62d086f9767b4acf7d2ce79bceca7505b5716c1d43acc3"`
Aug 31 16:34:23.562 INFO kablam!     Checking mio-uds v0.6.6
Aug 31 16:34:23.562 INFO kablam!     Checking tokio-reactor v0.1.5
Aug 31 16:34:23.562 INFO kablam!     Checking tokio-codec v0.1.0
Aug 31 16:34:23.590 INFO kablam!     Checking dotenv v0.11.0
Aug 31 16:34:23.593 INFO kablam!     Checking log4rs v0.8.0
Aug 31 16:34:23.594 INFO kablam!     Checking tokio-fs v0.1.3
Aug 31 16:34:23.608 INFO kablam!     Checking rincon_client v0.1.1
Aug 31 16:34:23.608 INFO kablam!     Checking rincon_client v0.1.1 (file:///source)
Aug 31 16:34:28.606 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 31 16:34:28.606 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 31 16:34:28.606 INFO kablam!    |
Aug 31 16:34:28.606 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.606 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.606 INFO kablam!    |
Aug 31 16:34:28.606 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.607 INFO kablam! 
Aug 31 16:34:28.609 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 31 16:34:28.609 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 31 16:34:28.609 INFO kablam!    |
Aug 31 16:34:28.610 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.610 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.610 INFO kablam!    |
Aug 31 16:34:28.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.610 INFO kablam! 
Aug 31 16:34:28.610 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 31 16:34:28.610 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 31 16:34:28.610 INFO kablam!    |
Aug 31 16:34:28.610 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.610 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.610 INFO kablam!    |
Aug 31 16:34:28.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.610 INFO kablam! 
Aug 31 16:34:28.610 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 31 16:34:28.610 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 31 16:34:28.610 INFO kablam!    |
Aug 31 16:34:28.610 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.610 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.610 INFO kablam!    |
Aug 31 16:34:28.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.610 INFO kablam! 
Aug 31 16:34:28.610 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 31 16:34:28.611 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 31 16:34:28.611 INFO kablam!    |
Aug 31 16:34:28.611 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.611 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.611 INFO kablam!    |
Aug 31 16:34:28.611 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.611 INFO kablam! 
Aug 31 16:34:28.611 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 31 16:34:28.611 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 16:34:28.611 INFO kablam!    |
Aug 31 16:34:28.611 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.611 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.611 INFO kablam!    |
Aug 31 16:34:28.611 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.611 INFO kablam! 
Aug 31 16:34:28.611 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 31 16:34:28.611 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 31 16:34:28.611 INFO kablam!    |
Aug 31 16:34:28.611 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 16:34:28.611 INFO kablam!    |   ^^^^^
Aug 31 16:34:28.611 INFO kablam!    |
Aug 31 16:34:28.611 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:34:28.611 INFO kablam! 
Aug 31 16:34:28.798 INFO kablam! error: aborting due to 7 previous errors
Aug 31 16:34:28.883 INFO kablam! 
Aug 31 16:34:28.883 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 16:34:28.884 INFO kablam! error: Could not compile `log4rs`.
Aug 31 16:34:28.884 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 16:34:41.916 INFO kablam! error: build failed
Aug 31 16:34:41.917 INFO kablam! su: No module specific data is present
Aug 31 16:34:42.311 INFO running `"docker" "rm" "-f" "9c2ae6f31430fa4aba62d086f9767b4acf7d2ce79bceca7505b5716c1d43acc3"`
Aug 31 16:34:42.404 INFO blam! 9c2ae6f31430fa4aba62d086f9767b4acf7d2ce79bceca7505b5716c1d43acc3