Aug 31 16:33:50.152 INFO checking rincon_session-0.1.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 16:33:50.152 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 16:33:50.152 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 16:33:50.305 INFO blam! 6c0c862cd7384ce3120bf8626c15f237815a78651cdf7d4dd9e9537fb2f6148d
Aug 31 16:33:50.307 INFO running `"docker" "start" "-a" "6c0c862cd7384ce3120bf8626c15f237815a78651cdf7d4dd9e9537fb2f6148d"`
Aug 31 16:33:51.609 INFO kablam!    Compiling syntex_fmt_macros v0.5.0
Aug 31 16:33:51.614 INFO kablam!     Checking mio v0.6.15
Aug 31 16:33:51.615 INFO kablam!     Checking log v0.3.9
Aug 31 16:33:51.615 INFO kablam!     Checking want v0.0.4
Aug 31 16:33:51.621 INFO kablam!     Checking tokio-codec v0.1.0
Aug 31 16:33:51.622 INFO kablam!     Checking error-chain v0.11.0
Aug 31 16:33:51.623 INFO kablam!     Checking serde-value v0.5.2
Aug 31 16:33:51.623 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 31 16:33:53.044 INFO kablam!     Checking rincon_core v0.1.0
Aug 31 16:33:55.447 INFO kablam!    Compiling derive-error-chain v0.11.2
Aug 31 16:33:56.943 INFO kablam!     Checking log4rs v0.8.0
Aug 31 16:33:59.809 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 16:33:59.809 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 31 16:33:59.809 INFO kablam!    |
Aug 31 16:33:59.809 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.809 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.809 INFO kablam!    |
Aug 31 16:33:59.810 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.810 INFO kablam! 
Aug 31 16:33:59.811 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 16:33:59.811 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 31 16:33:59.811 INFO kablam!    |
Aug 31 16:33:59.811 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.811 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.812 INFO kablam!    |
Aug 31 16:33:59.812 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.813 INFO kablam! 
Aug 31 16:33:59.813 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 16:33:59.813 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 16:33:59.814 INFO kablam!    |
Aug 31 16:33:59.814 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.814 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.814 INFO kablam!    |
Aug 31 16:33:59.815 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.815 INFO kablam! 
Aug 31 16:33:59.816 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 31 16:33:59.816 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 16:33:59.816 INFO kablam!    |
Aug 31 16:33:59.816 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.816 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.817 INFO kablam!    |
Aug 31 16:33:59.817 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.817 INFO kablam! 
Aug 31 16:33:59.818 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 31 16:33:59.818 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 16:33:59.818 INFO kablam!    |
Aug 31 16:33:59.818 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.818 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.819 INFO kablam!    |
Aug 31 16:33:59.819 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.820 INFO kablam! 
Aug 31 16:33:59.820 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 16:33:59.821 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 16:33:59.821 INFO kablam!    |
Aug 31 16:33:59.821 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.821 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.821 INFO kablam!    |
Aug 31 16:33:59.822 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.822 INFO kablam! 
Aug 31 16:33:59.823 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 16:33:59.823 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 31 16:33:59.823 INFO kablam!    |
Aug 31 16:33:59.823 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 16:33:59.823 INFO kablam!    |   ^^^^^
Aug 31 16:33:59.824 INFO kablam!    |
Aug 31 16:33:59.824 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:33:59.824 INFO kablam! 
Aug 31 16:34:00.068 INFO kablam! error: aborting due to 7 previous errors
Aug 31 16:34:00.068 INFO kablam! 
Aug 31 16:34:00.069 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 16:34:00.088 INFO kablam! error: Could not compile `log4rs`.
Aug 31 16:34:00.089 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 16:34:12.778 INFO kablam! error: build failed
Aug 31 16:34:12.780 INFO kablam! su: No module specific data is present
Aug 31 16:34:13.152 INFO running `"docker" "rm" "-f" "6c0c862cd7384ce3120bf8626c15f237815a78651cdf7d4dd9e9537fb2f6148d"`
Aug 31 16:34:13.276 INFO blam! 6c0c862cd7384ce3120bf8626c15f237815a78651cdf7d4dd9e9537fb2f6148d