Aug 30 05:39:12.270 INFO checking rincon_session-0.1.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 05:39:12.270 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 05:39:12.270 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 05:39:12.499 INFO blam! 94eb3f5b1350bdda7d94319cd83594085465eb96458c79e6e7b64ef5ad3985b3
Aug 30 05:39:12.500 INFO running `"docker" "start" "-a" "94eb3f5b1350bdda7d94319cd83594085465eb96458c79e6e7b64ef5ad3985b3"`
Aug 30 05:39:13.817 INFO kablam!     Checking galvanic-assert v0.8.7
Aug 30 05:39:13.840 INFO kablam!     Checking log v0.4.4
Aug 30 05:39:13.848 INFO kablam!    Compiling synstructure v0.9.0
Aug 30 05:39:13.851 INFO kablam!    Compiling derive-error-chain v0.11.2
Aug 30 05:39:16.271 INFO kablam!     Checking mio v0.6.15
Aug 30 05:39:16.271 INFO kablam!     Checking tokio-io v0.1.8
Aug 30 05:39:16.272 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 30 05:39:16.281 INFO kablam!     Checking log v0.3.9
Aug 30 05:39:16.284 INFO kablam!     Checking want v0.0.4
Aug 30 05:39:17.494 INFO kablam!     Checking log4rs v0.8.0
Aug 30 05:39:21.486 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 05:39:21.486 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 30 05:39:21.486 INFO kablam!    |
Aug 30 05:39:21.486 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.486 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.486 INFO kablam!    |
Aug 30 05:39:21.486 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.487 INFO kablam! 
Aug 30 05:39:21.487 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 05:39:21.487 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 30 05:39:21.487 INFO kablam!    |
Aug 30 05:39:21.487 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.487 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.487 INFO kablam!    |
Aug 30 05:39:21.487 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.487 INFO kablam! 
Aug 30 05:39:21.487 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 05:39:21.488 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 05:39:21.488 INFO kablam!    |
Aug 30 05:39:21.488 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.488 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.488 INFO kablam!    |
Aug 30 05:39:21.488 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.488 INFO kablam! 
Aug 30 05:39:21.488 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 05:39:21.488 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 05:39:21.488 INFO kablam!    |
Aug 30 05:39:21.488 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.488 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.488 INFO kablam!    |
Aug 30 05:39:21.488 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.488 INFO kablam! 
Aug 30 05:39:21.488 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 05:39:21.488 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 05:39:21.488 INFO kablam!    |
Aug 30 05:39:21.488 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.488 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.488 INFO kablam!    |
Aug 30 05:39:21.494 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.494 INFO kablam! 
Aug 30 05:39:21.495 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 05:39:21.495 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 05:39:21.495 INFO kablam!    |
Aug 30 05:39:21.495 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.495 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.495 INFO kablam!    |
Aug 30 05:39:21.495 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.495 INFO kablam! 
Aug 30 05:39:21.495 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 05:39:21.495 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 30 05:39:21.496 INFO kablam!    |
Aug 30 05:39:21.496 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 05:39:21.496 INFO kablam!    |   ^^^^^
Aug 30 05:39:21.496 INFO kablam!    |
Aug 30 05:39:21.496 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 05:39:21.496 INFO kablam! 
Aug 30 05:39:21.780 INFO kablam! error: aborting due to 7 previous errors
Aug 30 05:39:21.780 INFO kablam! 
Aug 30 05:39:21.780 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 05:39:21.799 INFO kablam! error: Could not compile `log4rs`.
Aug 30 05:39:21.799 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 05:39:34.664 INFO kablam! error: build failed
Aug 30 05:39:34.666 INFO kablam! su: No module specific data is present
Aug 30 05:39:35.115 INFO running `"docker" "rm" "-f" "94eb3f5b1350bdda7d94319cd83594085465eb96458c79e6e7b64ef5ad3985b3"`
Aug 30 05:39:35.242 INFO blam! 94eb3f5b1350bdda7d94319cd83594085465eb96458c79e6e7b64ef5ad3985b3