Aug 30 06:14:51.333 INFO checking rincon_session-0.1.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 06:14:51.333 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 06:14:51.333 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/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 06:14:51.618 INFO blam! 44c5d4f07d5dc7e13cc2606c58dc4073f40ba12f5aff0963d703d47edfc1c53f
Aug 30 06:14:51.623 INFO running `"docker" "start" "-a" "44c5d4f07d5dc7e13cc2606c58dc4073f40ba12f5aff0963d703d47edfc1c53f"`
Aug 30 06:14:53.262 INFO kablam!     Checking galvanic-assert v0.8.7
Aug 30 06:14:53.269 INFO kablam!    Compiling syntex_fmt_macros v0.5.0
Aug 30 06:14:53.272 INFO kablam!     Checking log v0.4.4
Aug 30 06:14:53.273 INFO kablam!     Checking serde-value v0.5.2
Aug 30 06:14:53.274 INFO kablam!     Checking rincon_core v0.1.0
Aug 30 06:14:55.945 INFO kablam!    Compiling derive-error-chain v0.11.2
Aug 30 06:14:56.576 INFO kablam!     Checking tokio-io v0.1.8
Aug 30 06:14:56.578 INFO kablam!     Checking mio v0.6.15
Aug 30 06:14:56.580 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 30 06:14:56.582 INFO kablam!     Checking log v0.3.9
Aug 30 06:14:57.101 INFO kablam!     Checking want v0.0.4
Aug 30 06:14:57.958 INFO kablam!     Checking log4rs v0.8.0
Aug 30 06:15:00.346 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 06:15:00.346 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 30 06:15:00.346 INFO kablam!    |
Aug 30 06:15:00.346 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.346 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.346 INFO kablam!    |
Aug 30 06:15:00.347 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.347 INFO kablam! 
Aug 30 06:15:00.348 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 06:15:00.348 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 30 06:15:00.348 INFO kablam!    |
Aug 30 06:15:00.348 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.348 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.348 INFO kablam!    |
Aug 30 06:15:00.349 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.349 INFO kablam! 
Aug 30 06:15:00.350 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 06:15:00.350 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 06:15:00.350 INFO kablam!    |
Aug 30 06:15:00.350 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.350 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.350 INFO kablam!    |
Aug 30 06:15:00.350 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.351 INFO kablam! 
Aug 30 06:15:00.351 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 06:15:00.351 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 06:15:00.351 INFO kablam!    |
Aug 30 06:15:00.351 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.351 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.352 INFO kablam!    |
Aug 30 06:15:00.352 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.352 INFO kablam! 
Aug 30 06:15:00.353 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 06:15:00.353 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 06:15:00.353 INFO kablam!    |
Aug 30 06:15:00.353 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.353 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.354 INFO kablam!    |
Aug 30 06:15:00.354 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.354 INFO kablam! 
Aug 30 06:15:00.355 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 06:15:00.355 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 06:15:00.355 INFO kablam!    |
Aug 30 06:15:00.355 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.355 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.355 INFO kablam!    |
Aug 30 06:15:00.356 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.356 INFO kablam! 
Aug 30 06:15:00.356 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 06:15:00.356 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 30 06:15:00.357 INFO kablam!    |
Aug 30 06:15:00.357 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 06:15:00.357 INFO kablam!    |   ^^^^^
Aug 30 06:15:00.357 INFO kablam!    |
Aug 30 06:15:00.357 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 06:15:00.358 INFO kablam! 
Aug 30 06:15:00.478 INFO kablam! error: aborting due to 7 previous errors
Aug 30 06:15:00.478 INFO kablam! 
Aug 30 06:15:00.479 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 06:15:00.488 INFO kablam! error: Could not compile `log4rs`.
Aug 30 06:15:00.489 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 06:15:10.881 INFO kablam! error: build failed
Aug 30 06:15:10.883 INFO kablam! su: No module specific data is present
Aug 30 06:15:11.346 INFO running `"docker" "rm" "-f" "44c5d4f07d5dc7e13cc2606c58dc4073f40ba12f5aff0963d703d47edfc1c53f"`
Aug 30 06:15:11.471 INFO blam! 44c5d4f07d5dc7e13cc2606c58dc4073f40ba12f5aff0963d703d47edfc1c53f