Aug 31 22:00:13.151 INFO checking maidsafe_utilities-0.17.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 22:00:13.151 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 22:00:13.151 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/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 22:00:13.338 INFO blam! f5305168b09293c0cea80645fa6e35e0dc45646149056b85402e4c0be5e3ed01
Aug 31 22:00:13.341 INFO running `"docker" "start" "-a" "f5305168b09293c0cea80645fa6e35e0dc45646149056b85402e4c0be5e3ed01"`
Aug 31 22:00:14.165 INFO kablam!     Checking config_file_handler v0.11.0
Aug 31 22:00:14.166 INFO kablam!     Checking log4rs v0.7.0
Aug 31 22:00:15.608 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 22:00:15.608 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 31 22:00:15.608 INFO kablam!    |
Aug 31 22:00:15.608 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.608 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.608 INFO kablam!    |
Aug 31 22:00:15.608 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.608 INFO kablam! 
Aug 31 22:00:15.608 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 22:00:15.608 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 31 22:00:15.608 INFO kablam!    |
Aug 31 22:00:15.609 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.609 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.609 INFO kablam!    |
Aug 31 22:00:15.609 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.609 INFO kablam! 
Aug 31 22:00:15.609 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 22:00:15.609 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 22:00:15.609 INFO kablam!    |
Aug 31 22:00:15.609 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.609 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.609 INFO kablam!    |
Aug 31 22:00:15.609 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.609 INFO kablam! 
Aug 31 22:00:15.609 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 22:00:15.609 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 31 22:00:15.609 INFO kablam!    |
Aug 31 22:00:15.609 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.609 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.609 INFO kablam!    |
Aug 31 22:00:15.609 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.609 INFO kablam! 
Aug 31 22:00:15.609 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 22:00:15.609 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 22:00:15.610 INFO kablam!    |
Aug 31 22:00:15.610 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.610 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.610 INFO kablam!    |
Aug 31 22:00:15.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.610 INFO kablam! 
Aug 31 22:00:15.610 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 22:00:15.610 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 22:00:15.610 INFO kablam!    |
Aug 31 22:00:15.610 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.610 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.610 INFO kablam!    |
Aug 31 22:00:15.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.610 INFO kablam! 
Aug 31 22:00:15.610 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 22:00:15.610 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 31 22:00:15.610 INFO kablam!    |
Aug 31 22:00:15.610 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 22:00:15.610 INFO kablam!    |   ^^^^^
Aug 31 22:00:15.610 INFO kablam!    |
Aug 31 22:00:15.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:00:15.610 INFO kablam! 
Aug 31 22:00:15.682 INFO kablam! error: aborting due to 7 previous errors
Aug 31 22:00:15.683 INFO kablam! 
Aug 31 22:00:15.683 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 22:00:15.696 INFO kablam! error: Could not compile `log4rs`.
Aug 31 22:00:15.696 INFO kablam! 
Aug 31 22:00:15.696 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 22:00:15.697 INFO kablam! su: No module specific data is present
Aug 31 22:00:16.214 INFO running `"docker" "rm" "-f" "f5305168b09293c0cea80645fa6e35e0dc45646149056b85402e4c0be5e3ed01"`
Aug 31 22:00:16.336 INFO blam! f5305168b09293c0cea80645fa6e35e0dc45646149056b85402e4c0be5e3ed01