Aug 30 21:01:50.840 INFO checking connectr-1.0.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 21:01:50.840 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 21:01:50.840 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/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 21:01:51.042 INFO blam! e7ca3470aa8ff0d08f371a957dd89dc0487dca84648269a83983199c1772d1a4
Aug 30 21:01:51.044 INFO running `"docker" "start" "-a" "e7ca3470aa8ff0d08f371a957dd89dc0487dca84648269a83983199c1772d1a4"`
Aug 30 21:01:52.255 INFO kablam!    Compiling rubrail v0.7.0
Aug 30 21:01:52.259 INFO kablam!    Compiling wrapped-vec v0.2.1
Aug 30 21:01:52.261 INFO kablam!     Checking mio v0.6.15
Aug 30 21:01:52.261 INFO kablam!     Checking tokio-io v0.1.8
Aug 30 21:01:52.261 INFO kablam!     Checking log v0.3.9
Aug 30 21:01:52.262 INFO kablam!     Checking want v0.0.4
Aug 30 21:01:52.269 INFO kablam!     Checking serde-value v0.5.2
Aug 30 21:01:52.271 INFO kablam!     Checking timer v0.2.0
Aug 30 21:01:54.593 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 30 21:01:56.658 INFO kablam!     Checking log4rs v0.8.0
Aug 30 21:01:57.799 INFO kablam!     Checking tokio-codec v0.1.0
Aug 30 21:01:58.492 INFO kablam!     Checking mio-uds v0.6.6
Aug 30 21:01:58.495 INFO kablam!     Checking tokio-reactor v0.1.5
Aug 30 21:02:00.435 INFO kablam!     Checking tokio-fs v0.1.3
Aug 30 21:02:01.157 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 21:02:01.157 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 30 21:02:01.157 INFO kablam!    |
Aug 30 21:02:01.158 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.158 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.174 INFO kablam!    |
Aug 30 21:02:01.175 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.175 INFO kablam! 
Aug 30 21:02:01.176 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 21:02:01.176 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 30 21:02:01.176 INFO kablam!    |
Aug 30 21:02:01.176 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.176 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.177 INFO kablam!    |
Aug 30 21:02:01.177 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.177 INFO kablam! 
Aug 30 21:02:01.178 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 21:02:01.178 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 21:02:01.178 INFO kablam!    |
Aug 30 21:02:01.178 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.178 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.179 INFO kablam!    |
Aug 30 21:02:01.179 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.179 INFO kablam! 
Aug 30 21:02:01.180 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 21:02:01.180 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 21:02:01.180 INFO kablam!    |
Aug 30 21:02:01.180 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.180 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.181 INFO kablam!    |
Aug 30 21:02:01.181 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.181 INFO kablam! 
Aug 30 21:02:01.182 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 21:02:01.182 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 21:02:01.182 INFO kablam!    |
Aug 30 21:02:01.182 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.182 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.182 INFO kablam!    |
Aug 30 21:02:01.182 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.183 INFO kablam! 
Aug 30 21:02:01.183 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 21:02:01.183 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 21:02:01.183 INFO kablam!    |
Aug 30 21:02:01.183 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.183 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.184 INFO kablam!    |
Aug 30 21:02:01.184 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.184 INFO kablam! 
Aug 30 21:02:01.185 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 21:02:01.185 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 30 21:02:01.185 INFO kablam!    |
Aug 30 21:02:01.185 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.185 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.185 INFO kablam!    |
Aug 30 21:02:01.186 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.186 INFO kablam! 
Aug 30 21:02:01.329 INFO kablam! error: aborting due to 7 previous errors
Aug 30 21:02:01.335 INFO kablam! 
Aug 30 21:02:01.335 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 21:02:01.351 INFO kablam! error: Could not compile `log4rs`.
Aug 30 21:02:01.351 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 21:02:05.536 INFO kablam! error: build failed
Aug 30 21:02:05.538 INFO kablam! su: No module specific data is present
Aug 30 21:02:05.940 INFO running `"docker" "rm" "-f" "e7ca3470aa8ff0d08f371a957dd89dc0487dca84648269a83983199c1772d1a4"`
Aug 30 21:02:06.065 INFO blam! e7ca3470aa8ff0d08f371a957dd89dc0487dca84648269a83983199c1772d1a4